def requestWrite(self, nodes, file_name=None, filter_by_machine=False, file_handler=None, **kwargs):
self._selected_printer = self._automatic_printer # reset to default option
self._request_job = [nodes, file_name, filter_by_machine, file_handler, kwargs]
if self._stage != OutputStage.ready:
if self._error_message:
self._error_message.hide()
self._error_message = Message(
i18n_catalog.i18nc("@info:status",
"Sending new jobs (temporarily) blocked, still sending the previous print job."))
self._error_message.show()
return
self.writeStarted.emit(self) # Allow postprocessing before sending data to the printer
if len(self._printers) > 1:
self.spawnPrintView() # Ask user how to print it.
elif len(self._printers) == 1:
# If there is only one printer, don't bother asking.
self.selectAutomaticPrinter()
self.sendPrintJob()
else:
# Cluster has no printers, warn the user of this.
if self._error_message:
self._error_message.hide()
self._error_message = Message(
i18n_catalog.i18nc("@info:status",
"Unable to send new print job: this 3D printer is not (yet) set up to host a group of connected Ultimaker 3 printers."))
self._error_message.show()
def requestWrite(self, nodes: List[SceneNode], file_name: Optional[str] = None, limit_mimetypes: bool = False,
file_handler: Optional[FileHandler] = None, **kwargs: str) -> None:
# Show an error message if we're already sending a job.
if self._progress.visible:
message = Message(
text = I18N_CATALOG.i18nc("@info:status", "Sending new jobs (temporarily) blocked, still sending the previous print job."),
title = I18N_CATALOG.i18nc("@info:title", "Cloud error"),
lifetime = 10
)
message.show()
return
if self._uploaded_print_job:
# The mesh didn't change, let's not upload it again
self._api.requestPrint(self.key, self._uploaded_print_job.job_id, self._onPrintUploadCompleted)
return
# Indicate we have started sending a job.
self.writeStarted.emit(self)
mesh_format = MeshFormatHandler(file_handler, self.firmwareVersion)
if not mesh_format.is_valid:
Logger.log("e", "Missing file or mesh writer!")
return self._onUploadError(I18N_CATALOG.i18nc("@info:status", "Could not export print job."))
mesh = mesh_format.getBytes(nodes)
self._tool_path = mesh
request = CloudPrintJobUploadRequest(
job_name = file_name or mesh_format.file_extension,
file_size = len(mesh),
content_type = mesh_format.mime_type,
)
self._api.requestUpload(request, self._onPrintJobCreated)
def _sendPrintJob(self, writer: FileWriter, preferred_format: Dict, nodes: List[SceneNode]):
Logger.log("i", "Sending print job to printer.")
if self._sending_gcode:
self._error_message = Message(
i18n_catalog.i18nc("@info:status",
"Sending new jobs (temporarily) blocked, still sending the previous print job."))
self._error_message.show()
yield #Wait on the user to select a target printer.
yield #Wait for the write job to be finished.
yield False #Return whether this was a success or not.
yield #Prevent StopIteration.
self._sending_gcode = True
target_printer = yield #Potentially wait on the user to select a target printer.
# Using buffering greatly reduces the write time for many lines of gcode
if preferred_format["mode"] == FileWriter.OutputMode.TextMode:
stream = io.StringIO()
else: #Binary mode.
stream = io.BytesIO()
job = WriteFileJob(writer, stream, nodes, preferred_format["mode"])
self._write_job_progress_message = Message(i18n_catalog.i18nc("@info:status", "Sending data to printer"), lifetime = 0, dismissable = False, progress = -1,
title = i18n_catalog.i18nc("@info:title", "Sending Data"), use_inactivity_timer = False)
self._write_job_progress_message.show()
self._dummy_lambdas = (target_printer, preferred_format, stream)
job.finished.connect(self._sendPrintJobWaitOnWriteJobFinished)
job.start()
yield True #Return that we had success!
yield #To prevent having to catch the StopIteration exception.
def _sendPrintJob(self, mesh_format: MeshFormatHandler, nodes: List[SceneNode]):
Logger.log("i", "Sending print job to printer.")
if self._sending_gcode:
self._error_message = Message(
i18n_catalog.i18nc("@info:status",
"Sending new jobs (temporarily) blocked, still sending the previous print job."))
self._error_message.show()
yield #Wait on the user to select a target printer.
yield #Wait for the write job to be finished.
yield False #Return whether this was a success or not.
yield #Prevent StopIteration.
self._sending_gcode = True
# Potentially wait on the user to select a target printer.
target_printer = yield # type: Optional[str]
# Using buffering greatly reduces the write time for many lines of gcode
stream = mesh_format.createStream()
job = WriteFileJob(mesh_format.writer, stream, nodes, mesh_format.file_mode)
self._write_job_progress_message = Message(i18n_catalog.i18nc("@info:status", "Sending data to printer"),
lifetime = 0, dismissable = False, progress = -1,
title = i18n_catalog.i18nc("@info:title", "Sending Data"),
use_inactivity_timer = False)
self._write_job_progress_message.show()
if mesh_format.preferred_format is not None:
self._dummy_lambdas = (target_printer, mesh_format.preferred_format, stream)
job.finished.connect(self._sendPrintJobWaitOnWriteJobFinished)
job.start()
yield True # Return that we had success!
yield # To prevent having to catch the StopIteration exception.
class BackendProxy(QObject):
def __init__(self, parent = None):
super().__init__(parent)
self._backend = Application.getInstance().getBackend()
self._progress = -1;
self._messageDisplayed = False
self._message = None
if self._backend:
self._backend.processingProgress.connect(self._onProcessingProgress)
processingProgress = pyqtSignal(float, arguments = ["amount"])
@pyqtProperty(float, notify = processingProgress)
def progress(self):
if self._progress > 0 and self._progress < 1 and self._messageDisplayed == False:
self._message = Message(i18n_catalog.i18n("Slicing in Process: "), 0, False, self._progress)
self._message.show()
self._messageDisplayed = True
if self._progress >= 1 and self._messageDisplayed == True:
self._message.hide()
self._messageDisplayed = False
return self._progress
def _onProcessingProgress(self, amount):
self._progress = amount
self.processingProgress.emit(amount)
def _onStartSliceCompleted(self, job):
# Note that cancelled slice jobs can still call this method.
if self._start_slice_job is job:
self._start_slice_job = None
if job.isCancelled() or job.getError() or job.getResult() == StartSliceJob.StartJobResult.Error:
return
if job.getResult() == StartSliceJob.StartJobResult.SettingError:
if Application.getInstance().getPlatformActivity:
self._error_message = Message(catalog.i18nc("@info:status", "Unable to slice. Please check your setting values for errors."), lifetime = 10)
self._error_message.show()
self.backendStateChange.emit(BackendState.Error)
else:
self.backendStateChange.emit(BackendState.NotStarted)
return
if job.getResult() == StartSliceJob.StartJobResult.NothingToSlice:
if Application.getInstance().getPlatformActivity:
self._error_message = Message(catalog.i18nc("@info:status", "Unable to slice. No suitable objects found."), lifetime = 10)
self._error_message.show()
self.backendStateChange.emit(BackendState.Error)
else:
self.backendStateChange.emit(BackendState.NotStarted)
return
# Preparation completed, send it to the backend.
self._socket.sendMessage(job.getSliceMessage())
def _onStartSliceCompleted(self, job):
# Note that cancelled slice jobs can still call this method.
if self._start_slice_job is job:
self._start_slice_job = None
if job.isCancelled() or job.getError() or job.getResult() == StartSliceJob.StartJobResult.Error:
return
if job.getResult() == StartSliceJob.StartJobResult.SettingError:
if Application.getInstance().getPlatformActivity:
self._error_message = Message(catalog.i18nc("@info:status", "Unable to slice with the current settings. Please check your settings for errors."))
self._error_message.show()
self.backendStateChange.emit(BackendState.Error)
else:
self.backendStateChange.emit(BackendState.NotStarted)
return
if job.getResult() == StartSliceJob.StartJobResult.NothingToSlice:
if Application.getInstance().getPlatformActivity:
self._error_message = Message(catalog.i18nc("@info:status", "Nothing to slice because none of the models fit the build volume. Please scale or rotate models to fit."))
self._error_message.show()
self.backendStateChange.emit(BackendState.Error)
else:
self.backendStateChange.emit(BackendState.NotStarted)
return
# Preparation completed, send it to the backend.
self._socket.sendMessage(job.getSliceMessage())
# Notify the user that it's now up to the backend to do it's job
self.backendStateChange.emit(BackendState.Processing)
Logger.log("d", "Sending slice message took %s seconds", time() - self._slice_start_time )
def exportProfile(self, id, name, url, fileType):
#Input checking.
path = url.toLocalFile()
if not path:
error_str = "Not a valid path. If this problem persists, please report a bug."
error_str = i18nCatalog.i18nc("@info:status", error_str)
return {"status":"error", "message":error_str}
if id == -1:
#id -1 references the "Current settings"/working profile
profile = copy.deepcopy(self._working_profile)
profile.setType(None)
profile.setMachineTypeId(self._manager.getActiveMachineInstance().getMachineDefinition().getProfilesMachineId())
else:
profile = self._manager.findProfile(name, instance = self._manager.getActiveMachineInstance())
if not profile:
error_str = "Profile not found. If this problem persists, please report a bug."
error_str = i18nCatalog.i18nc("@info:status", error_str)
return {"status":"error", "message":error_str}
#Parse the fileType to deduce what plugin can save the file format.
#TODO: This parsing can be made unnecessary by storing for each plugin what the fileType string is in complete (in addition to the {(description,extension)} dict).
#fileType has the format "<description> (*.<extension>)"
split = fileType.rfind(" (*.") #Find where the description ends and the extension starts.
if split < 0: #Not found. Invalid format.
Logger.log("e", "Invalid file format identifier %s", fileType)
error_str = catalog.i18nc("@info:status", "Invalid file format: {0}", fileType)
return {"status":"error", "message":error_str}
description = fileType[:split]
extension = fileType[split + 4:-1] #Leave out the " (*." and ")".
if not path.endswith("." + extension): #Auto-fill the extension if the user did not provide any.
path += "." + extension
good_profile_writer = None
for profile_writer_id, profile_writer in self._manager.getProfileWriters(): #Find which profile writer can write this file type.
meta_data = PluginRegistry.getInstance().getMetaData(profile_writer_id)
if "profile_writer" in meta_data:
for supported_type in meta_data["profile_writer"]: #All file types this plugin can supposedly write.
supported_extension = supported_type.get("extension", None)
if supported_extension == extension: #This plugin supports a file type with the same extension.
supported_description = supported_type.get("description", None)
if supported_description == description: #The description is also identical. Assume it's the same file type.
good_profile_writer = profile_writer
break
if good_profile_writer: #If we found a writer in this iteration, break the loop.
break
success = False
try:
success = good_profile_writer.write(path, profile)
except Exception as e:
Logger.log("e", "Failed to export profile to %s: %s", path, str(e))
error_str = catalog.i18nc("@info:status", "Failed to export profile to <filename>{0}</filename>: <message>{1}</message>", path, str(e))
return {"status":"error", "message":error_str}
if not success:
Logger.log("w", "Failed to export profile to %s: Writer plugin reported failure.", path)
error_str = catalog.i18nc("@info:status", "Failed to export profile to <filename>{0}</filename>: Writer plugin reported failure.", path)
return {"status":"error", "message":error_str}
m = Message(catalog.i18nc("@info:status", "Exported profile to <filename>{0}</filename>", path))
m.show()
def run(self):
loading_message = Message(i18n_catalog.i18nc("Loading mesh message, {0} is file name", "Loading {0}").format(self._filename), lifetime = 0, dismissable = False)
loading_message.setProgress(-1)
loading_message.show()
mesh = self._handler.read(self._filename, self._device)
# Scale down to maximum bounds size if that is available
if hasattr(Application.getInstance().getController().getScene(), "_maximum_bounds"):
max_bounds = Application.getInstance().getController().getScene()._maximum_bounds
bbox = mesh.getExtents()
if max_bounds.width < bbox.width or max_bounds.height < bbox.height or max_bounds.depth < bbox.depth:
largest_dimension = max(bbox.width, bbox.height, bbox.depth)
scale_factor = 1.0
if largest_dimension == bbox.width:
scale_factor = max_bounds.width / bbox.width
elif largest_dimension == bbox.height:
scale_factor = max_bounds.height / bbox.height
else:
scale_factor = max_bounds.depth / bbox.depth
matrix = Matrix()
matrix.setByScaleFactor(scale_factor)
mesh = mesh.getTransformed(matrix)
self.setResult(mesh)
loading_message.hide()
result_message = Message(i18n_catalog.i18nc("Finished loading mesh message, {0} is file name", "Loaded {0}").format(self._filename))
result_message.show()
def _startPrint(self):
Logger.log("i", "Sending print job to printer.")
if self._sending_gcode:
self._error_message = Message(
i18n_catalog.i18nc("@info:status",
"Sending new jobs (temporarily) blocked, still sending the previous print job."))
self._error_message.show()
return
self._sending_gcode = True
self._send_gcode_start = time()
self._progress_message = Message(i18n_catalog.i18nc("@info:status", "Sending data to printer"), 0, False, -1,
i18n_catalog.i18nc("@info:title", "Sending Data"))
self._progress_message.addAction("Abort", i18n_catalog.i18nc("@action:button", "Cancel"), None, "")
self._progress_message.actionTriggered.connect(self._progressMessageActionTriggered)
self._progress_message.show()
compressed_gcode = self._compressGCode()
if compressed_gcode is None:
# Abort was called.
return
file_name = "%s.gcode.gz" % CuraApplication.getInstance().getPrintInformation().jobName
self.postForm("print_job", "form-data; name=\"file\";filename=\"%s\"" % file_name, compressed_gcode,
on_finished=self._onPostPrintJobFinished)
return
def _onApiError(self, errors: List[CloudError] = None) -> None:
Logger.log("w", str(errors))
message = Message(
text = self.I18N_CATALOG.i18nc("@info:description", "There was an error connecting to the cloud."),
title = self.I18N_CATALOG.i18nc("@info:title", "Error"),
lifetime = 10
)
message.show()
def run(self):
status_message = Message(i18n_catalog.i18nc("@info:status", "Finding new location for objects"), lifetime = 0, dismissable=False, progress = 0)
status_message.show()
arranger = Arrange.create(fixed_nodes = self._fixed_nodes)
# Collect nodes to be placed
nodes_arr = [] # fill with (size, node, offset_shape_arr, hull_shape_arr)
for node in self._nodes:
offset_shape_arr, hull_shape_arr = ShapeArray.fromNode(node, min_offset = self._min_offset)
nodes_arr.append((offset_shape_arr.arr.shape[0] * offset_shape_arr.arr.shape[1], node, offset_shape_arr, hull_shape_arr))
# Sort the nodes with the biggest area first.
nodes_arr.sort(key=lambda item: item[0])
nodes_arr.reverse()
# Place nodes one at a time
start_priority = 0
last_priority = start_priority
last_size = None
grouped_operation = GroupedOperation()
found_solution_for_all = True
for idx, (size, node, offset_shape_arr, hull_shape_arr) in enumerate(nodes_arr):
# For performance reasons, we assume that when a location does not fit,
# it will also not fit for the next object (while what can be untrue).
# We also skip possibilities by slicing through the possibilities (step = 10)
if last_size == size: # This optimization works if many of the objects have the same size
start_priority = last_priority
else:
start_priority = 0
best_spot = arranger.bestSpot(offset_shape_arr, start_prio=start_priority, step=10)
x, y = best_spot.x, best_spot.y
node.removeDecorator(ZOffsetDecorator)
if node.getBoundingBox():
center_y = node.getWorldPosition().y - node.getBoundingBox().bottom
else:
center_y = 0
if x is not None: # We could find a place
last_size = size
last_priority = best_spot.priority
arranger.place(x, y, hull_shape_arr) # take place before the next one
grouped_operation.addOperation(TranslateOperation(node, Vector(x, center_y, y), set_position = True))
else:
Logger.log("d", "Arrange all: could not find spot!")
found_solution_for_all = False
grouped_operation.addOperation(TranslateOperation(node, Vector(200, center_y, - idx * 20), set_position = True))
status_message.setProgress((idx + 1) / len(nodes_arr) * 100)
Job.yieldThread()
grouped_operation.push()
status_message.hide()
if not found_solution_for_all:
no_full_solution_message = Message(i18n_catalog.i18nc("@info:status", "Unable to find a location within the build volume for all objects"))
no_full_solution_message.show()
def _onActionTriggered(self, message, action):
if action == "eject":
if Application.getInstance().getOutputDeviceManager().getOutputDevicePlugin("RemovableDriveOutputDevice").ejectDevice(self):
message.hide()
eject_message = Message(catalog.i18nc("@info:status", "Ejected {0}. You can now safely remove the drive.").format(self.getName()), title = catalog.i18nc("@info:title", "Safely Remove Hardware"))
else:
eject_message = Message(catalog.i18nc("@info:status", "Failed to eject {0}. Another program may be using the drive.").format(self.getName()), title = catalog.i18nc("@info:title", "Warning"))
eject_message.show()
def showMessage(self, message: Message) -> None:
with self._message_lock:
if message not in self._visible_messages:
self._visible_messages.append(message)
message.setLifetimeTimer(QTimer())
message.setInactivityTimer(QTimer())
self.visibleMessageAdded.emit(message)
# also show toast message when the main window is minimized
self.showToastMessage(self._app_name, message.getText())
def _showRequestFailedMessage(self, reply):
if reply is not None:
Logger.log("w", "Unable to send print job to group {cluster_name}: {error_string} ({error})".format(
cluster_name = self.getName(),
error_string = str(reply.errorString()),
error = str(reply.error())))
error_message_template = i18n_catalog.i18nc("@info:status", "Unable to send print job to group {cluster_name}.")
message = Message(text=error_message_template.format(
cluster_name = self.getName()))
message.show()
def startPrint(self):
if self.jobState != "ready" and self.jobState != "":
self._error_message = Message(i18n_catalog.i18nc("@info:status", "Printer is printing. Unable to start a new job."))
self._error_message.show()
return
try:
self._progress_message = Message(i18n_catalog.i18nc("@info:status", "Sending data to printer"), 0, False, -1)
self._progress_message.show()
## Mash the data into single string
single_string_file_data = ""
for line in self._gcode:
single_string_file_data += line
## TODO: Use correct file name (we use placeholder now)
file_name = "%s.gcode" % Application.getInstance().getPrintInformation().jobName
## Create multi_part request
self._post_multi_part = QHttpMultiPart(QHttpMultiPart.FormDataType)
## Create parts (to be placed inside multipart)
self._post_part = QHttpPart()
self._post_part.setHeader(QNetworkRequest.ContentDispositionHeader, "form-data; name=\"select\"")
self._post_part.setBody(b"true")
self._post_multi_part.append(self._post_part)
self._post_part = QHttpPart()
self._post_part.setHeader(QNetworkRequest.ContentDispositionHeader, "form-data; name=\"print\"")
self._post_part.setBody(b"true")
self._post_multi_part.append(self._post_part)
self._post_part = QHttpPart()
self._post_part.setHeader(QNetworkRequest.ContentDispositionHeader, "form-data; name=\"file\"; filename=\"%s\"" % file_name)
self._post_part.setBody(single_string_file_data.encode())
self._post_multi_part.append(self._post_part)
url = QUrl("http://" + self._address + self._api_prefix + "files/local")
## Create the QT request
self._post_request = QNetworkRequest(url)
self._post_request.setRawHeader(self._api_header.encode(), self._api_key.encode())
## Post request + data
self._post_reply = self._manager.post(self._post_request, self._post_multi_part)
self._post_reply.uploadProgress.connect(self._onUploadProgress)
self._gcode = None
except IOError:
self._progress_message.hide()
self._error_message = Message(i18n_catalog.i18nc("@info:status", "Unable to send data to printer. Is another job still active?"))
self._error_message.show()
except Exception as e:
self._progress_message.hide()
Logger.log("e", "An exception occurred in network connection: %s" % str(e))
def _onStartSliceCompleted(self, job):
# Note that cancelled slice jobs can still call this method.
if self._start_slice_job is job:
self._start_slice_job = None
if job.isCancelled() or job.getError() or job.getResult() == StartSliceJob.StartJobResult.Error:
return
if job.getResult() == StartSliceJob.StartJobResult.MaterialIncompatible:
if Application.getInstance().getPlatformActivity:
self._error_message = Message(catalog.i18nc("@info:status",
"The selected material is incompatible with the selected machine or configuration."))
self._error_message.show()
self.backendStateChange.emit(BackendState.Error)
else:
self.backendStateChange.emit(BackendState.NotStarted)
return
if job.getResult() == StartSliceJob.StartJobResult.SettingError:
if Application.getInstance().getPlatformActivity:
extruders = list(ExtruderManager.getInstance().getMachineExtruders(self._global_container_stack.getId()))
error_keys = []
for extruder in extruders:
error_keys.extend(extruder.getErrorKeys())
else:
error_keys = self._global_container_stack.getErrorKeys()
error_labels = set()
definition_container = self._global_container_stack.getBottom()
for key in error_keys:
error_labels.add(definition_container.findDefinitions(key = key)[0].label)
error_labels = ", ".join(error_labels)
self._error_message = Message(catalog.i18nc("@info:status", "Unable to slice with the current settings. The following settings have errors: {0}".format(error_labels)))
self._error_message.show()
self.backendStateChange.emit(BackendState.Error)
else:
self.backendStateChange.emit(BackendState.NotStarted)
return
if job.getResult() == StartSliceJob.StartJobResult.NothingToSlice:
if Application.getInstance().getPlatformActivity:
self._error_message = Message(catalog.i18nc("@info:status", "Nothing to slice because none of the models fit the build volume. Please scale or rotate models to fit."))
self._error_message.show()
self.backendStateChange.emit(BackendState.Error)
else:
self.backendStateChange.emit(BackendState.NotStarted)
return
# Preparation completed, send it to the backend.
self._socket.sendMessage(job.getSliceMessage())
# Notify the user that it's now up to the backend to do it's job
self.backendStateChange.emit(BackendState.Processing)
Logger.log("d", "Sending slice message took %s seconds", time() - self._slice_start_time )
def requestWrite(self, node, file_name=None, filter_by_machine=False):
if self._writing:
raise OutputDeviceError.DeviceBusyError()
file_formats = Application.getInstance().getMeshFileHandler().getSupportedFileTypesWrite()
machine_file_formats = Application.getInstance().getMachineManager().getActiveMachineInstance().getMachineDefinition().getFileFormats()
file_formats = list(filter(lambda file_format: file_format["mime_type"] in machine_file_formats, file_formats))
if len(file_formats) == 0:
Logger.log("e", "There are no file formats available to write with!")
raise OutputDeviceError.WriteRequestFailedError()
writer = Application.getInstance().getMeshFileHandler().getWriterByMimeType(file_formats[0]["mime_type"])
extension = file_formats[0]["extension"]
if file_name == None:
for n in BreadthFirstIterator(node):
if n.getMeshData():
file_name = n.getName()
if file_name:
break
if not file_name:
Logger.log("e", "Could not determine a proper file name when trying to print, aborting")
raise OutputDeviceError.WriteRequestFailedError()
temp_dir = os.path.join(tempfile.gettempdir(), "Kiddo")
if not os.path.exists(temp_dir):
os.mkdir(temp_dir)
if extension:
extension = "." + extension
file_name = os.path.join(temp_dir, os.path.splitext(file_name)[0] + extension)
try:
Logger.log("d", "Writing to %s", file_name)
stream = open(file_name, "wt")
job = WriteMeshJob(writer, stream, node, MeshWriter.OutputMode.TextMode)
job.setFileName(file_name)
job.progress.connect(self._onProgress)
job.finished.connect(self._onFinished)
message = Message(catalog.i18nc("@info:progress", "Preparing print job"), 0, False, -1)
message.show()
self.writeStarted.emit(self)
job._message = message
self._writing = True
job.start()
except PermissionError as e:
Logger.log("e", "Permission denied when trying to write to %s: %s", file_name, str(e))
raise OutputDeviceError.PermissionDeniedError(e)
except OSError as e:
Logger.log("e", "Operating system would not let us write to %s: %s", file_name, str(e))
raise OutputDeviceError.WriteRequestFailedError(e)
def checkNewVersion(self, silent = False):
no_new_version = True
application_name = Application.getInstance().getApplicationName()
Logger.log("i", "Checking for new version of %s" % application_name)
try:
latest_version_file = urllib.request.urlopen("http://software.ultimaker.com/latest.json")
except Exception as e:
Logger.log("e", "Failed to check for new version. %s" %e)
if not silent:
Message(i18n_catalog.i18nc("@info", "Could not access update information.")).show()
return
try:
reader = codecs.getreader("utf-8")
data = json.load(reader(latest_version_file))
try:
if Application.getInstance().getVersion() is not "master":
local_version = Version(Application.getInstance().getVersion())
else:
if not silent:
Message(i18n_catalog.i18nc("@info", "The version you are using does not support checking for updates.")).show()
return
except ValueError:
Logger.log("w", "Could not determine application version from string %s, not checking for updates", Application.getInstance().getVersion())
if not silent:
Message(i18n_catalog.i18nc("@info", "The version you are using does not support checking for updates.")).show()
return
if application_name in data:
for key, value in data[application_name].items():
if "major" in value and "minor" in value and "revision" in value and "url" in value:
os = key
if platform.system() == os: #TODO: add architecture check
newest_version = Version([int(value["major"]), int(value["minor"]), int(value["revision"])])
if local_version < newest_version:
Logger.log("i", "Found a new version of the software. Spawning message")
message = Message(i18n_catalog.i18nc("@info", "A new version is available!"))
message.addAction("download", i18n_catalog.i18nc("@action:button", "Download"), "[no_icon]", "[no_description]")
self._url = value["url"]
message.actionTriggered.connect(self.actionTriggered)
message.show()
no_new_version = False
break
else:
Logger.log("e", "Could not find version information or download url for update.")
else:
Logger.log("e", "Did not find any version information for %s." % application_name)
except Exception as e:
Logger.log("e", "Exception in update checker: %s" % (e))
if no_new_version and not silent:
Message(i18n_catalog.i18nc("@info", "No new version was found.")).show()
def run(self):
if not self._url:
Logger.log("e", "Can not check for a new release. URL not set!")
return
try:
application_name = Application.getInstance().getApplicationName()
headers = {"User-Agent": "%s - %s" % (application_name, Application.getInstance().getVersion())}
request = urllib.request.Request(self._url, headers = headers)
current_version_file = urllib.request.urlopen(request)
reader = codecs.getreader("utf-8")
# get machine name from the definition container
machine_name = self._container.definition.getName()
machine_name_parts = machine_name.lower().split(" ")
# If it is not None, then we compare between the checked_version and the current_version
# Now we just do that if the active printer is Ultimaker 3 or Ultimaker 3 Extended or any
# other Ultimaker 3 that will come in the future
if len(machine_name_parts) >= 2 and machine_name_parts[:2] == ["ultimaker", "3"]:
Logger.log("i", "You have a UM3 in printer list. Let's check the firmware!")
# Nothing to parse, just get the string
# TODO: In the future may be done by parsing a JSON file with diferent version for each printer model
current_version = reader(current_version_file).readline().rstrip()
# If it is the first time the version is checked, the checked_version is ''
checked_version = Preferences.getInstance().getValue("info/latest_checked_firmware")
# If the checked_version is '', it's because is the first time we check firmware and in this case
# we will not show the notification, but we will store it for the next time
Preferences.getInstance().setValue("info/latest_checked_firmware", current_version)
Logger.log("i", "Reading firmware version of %s: checked = %s - latest = %s", machine_name, checked_version, current_version)
# The first time we want to store the current version, the notification will not be shown,
# because the new version of Cura will be release before the firmware and we don't want to
# notify the user when no new firmware version is available.
if (checked_version != "") and (checked_version != current_version):
Logger.log("i", "SHOWING FIRMWARE UPDATE MESSAGE")
message = Message(i18n_catalog.i18nc("@info Don't translate {machine_name}, since it gets replaced by a printer name!", "New features are available for your {machine_name}! It is recommended to update the firmware on your printer.").format(machine_name = machine_name),
title = i18n_catalog.i18nc("@info:title The %s gets replaced with the printer name.", "New %s firmware available") % machine_name)
message.addAction("download", i18n_catalog.i18nc("@action:button", "How to update"), "[no_icon]", "[no_description]")
# If we do this in a cool way, the download url should be available in the JSON file
if self._set_download_url_callback:
self._set_download_url_callback("https://ultimaker.com/en/resources/23129-updating-the-firmware?utm_source=cura&utm_medium=software&utm_campaign=hw-update")
message.actionTriggered.connect(self._callback)
message.show()
except Exception as e:
Logger.log("w", "Failed to check for new version: %s", e)
if not self.silent:
Message(i18n_catalog.i18nc("@info", "Could not access update information.")).show()
return
def requestWrite(self, nodes, file_name = None, filter_by_machine = False):
filter_by_machine = True # This plugin is indended to be used by machine (regardless of what it was told to do)
if self._writing:
raise OutputDeviceError.DeviceBusyError()
# Formats supported by this application (File types that we can actually write)
file_formats = Application.getInstance().getMeshFileHandler().getSupportedFileTypesWrite()
if filter_by_machine:
container = Application.getInstance().getGlobalContainerStack().findContainer({"file_formats": "*"})
# Create a list from supported file formats string
machine_file_formats = [file_type.strip() for file_type in container.getMetaDataEntry("file_formats").split(";")]
# Take the intersection between file_formats and machine_file_formats.
file_formats = list(filter(lambda file_format: file_format["mime_type"] in machine_file_formats, file_formats))
if len(file_formats) == 0:
Logger.log("e", "There are no file formats available to write with!")
raise OutputDeviceError.WriteRequestFailedError()
# Just take the first file format available.
writer = Application.getInstance().getMeshFileHandler().getWriterByMimeType(file_formats[0]["mime_type"])
extension = file_formats[0]["extension"]
if file_name is None:
file_name = self._automaticFileName(nodes)
if extension: # Not empty string.
extension = "." + extension
file_name = os.path.join(self.getId(), os.path.splitext(file_name)[0] + extension)
try:
Logger.log("d", "Writing to %s", file_name)
# Using buffering greatly reduces the write time for many lines of gcode
self._stream = open(file_name, "wt", buffering = 1, encoding = "utf-8")
job = WriteMeshJob(writer, self._stream, nodes, MeshWriter.OutputMode.TextMode)
job.setFileName(file_name)
job.progress.connect(self._onProgress)
job.finished.connect(self._onFinished)
message = Message(catalog.i18nc("@info:progress", "Saving to Removable Drive <filename>{0}</filename>").format(self.getName()), 0, False, -1)
message.show()
self.writeStarted.emit(self)
job._message = message
self._writing = True
job.start()
except PermissionError as e:
Logger.log("e", "Permission denied when trying to write to %s: %s", file_name, str(e))
raise OutputDeviceError.PermissionDeniedError(catalog.i18nc("@info:status", "Could not save to <filename>{0}</filename>: <message>{1}</message>").format(file_name, str(e))) from e
except OSError as e:
Logger.log("e", "Operating system would not let us write to %s: %s", file_name, str(e))
raise OutputDeviceError.WriteRequestFailedError(catalog.i18nc("@info:status", "Could not save to <filename>{0}</filename>: <message>{1}</message>").format(file_name, str(e))) from e
def _writeToDevice(self, node, device_id):
device = self._device_manager.getOutputDevice(device_id)
if not device:
return
try:
device.requestWrite(node)
except OutputDeviceError.UserCanceledError:
pass
except OutputDeviceError.WriteRequestFailedError as e:
message = Message(str(e))
message.show()
def run(self):
status_message = Message(i18n_catalog.i18nc("@info:status", "Multiplying and placing objects"), lifetime=0,
dismissable=False, progress=0, title = i18n_catalog.i18nc("@info:title", "Placing Object"))
status_message.show()
scene = Application.getInstance().getController().getScene()
total_progress = len(self._objects) * self._count
current_progress = 0
root = scene.getRoot()
arranger = Arrange.create(scene_root=root)
nodes = []
for node in self._objects:
# If object is part of a group, multiply group
current_node = node
while current_node.getParent() and current_node.getParent().callDecoration("isGroup"):
current_node = current_node.getParent()
node_too_big = False
if node.getBoundingBox().width < 300 or node.getBoundingBox().depth < 300:
offset_shape_arr, hull_shape_arr = ShapeArray.fromNode(current_node, min_offset=self._min_offset)
else:
node_too_big = True
found_solution_for_all = True
for i in range(self._count):
# We do place the nodes one by one, as we want to yield in between.
if not node_too_big:
node, solution_found = arranger.findNodePlacement(current_node, offset_shape_arr, hull_shape_arr)
if node_too_big or not solution_found:
found_solution_for_all = False
new_location = node.getPosition()
new_location = new_location.set(z = 100 - i * 20)
node.setPosition(new_location)
nodes.append(node)
current_progress += 1
status_message.setProgress((current_progress / total_progress) * 100)
Job.yieldThread()
Job.yieldThread()
if nodes:
op = GroupedOperation()
for new_node in nodes:
op.addOperation(AddSceneNodeOperation(new_node, current_node.getParent()))
op.push()
status_message.hide()
if not found_solution_for_all:
no_full_solution_message = Message(i18n_catalog.i18nc("@info:status", "Unable to find a location within the build volume for all objects"), title = i18n_catalog.i18nc("@info:title", "Placing Object"))
no_full_solution_message.show()
def requestWrite(self, node, file_name = None, filter_by_machine = False):
filter_by_machine = True # This plugin is indended to be used by machine (regardless of what it was told to do)
if self._writing:
raise OutputDeviceError.DeviceBusyError()
file_formats = Application.getInstance().getMeshFileHandler().getSupportedFileTypesWrite() #Formats supported by this application.
if filter_by_machine:
machine_file_formats = Application.getInstance().getMachineManager().getActiveMachineInstance().getMachineDefinition().getFileFormats()
file_formats = list(filter(lambda file_format: file_format["mime_type"] in machine_file_formats, file_formats)) #Take the intersection between file_formats and machine_file_formats.
if len(file_formats) == 0:
Logger.log("e", "There are no file formats available to write with!")
raise OutputDeviceError.WriteRequestFailedError()
writer = Application.getInstance().getMeshFileHandler().getWriterByMimeType(file_formats[0]["mime_type"]) #Just take the first file format available.
extension = file_formats[0]["extension"]
if file_name == None:
for n in BreadthFirstIterator(node):
if n.getMeshData():
file_name = n.getName()
if file_name:
break
if not file_name:
Logger.log("e", "Could not determine a proper file name when trying to write to %s, aborting", self.getName())
raise OutputDeviceError.WriteRequestFailedError()
if extension: #Not empty string.
extension = "." + extension
file_name = os.path.join(self.getId(), os.path.splitext(file_name)[0] + extension)
try:
Logger.log("d", "Writing to %s", file_name)
stream = open(file_name, "wt")
job = WriteMeshJob(writer, stream, node, MeshWriter.OutputMode.TextMode)
job.setFileName(file_name)
job.progress.connect(self._onProgress)
job.finished.connect(self._onFinished)
message = Message(catalog.i18nc("@info:progress", "Saving to Removable Drive <filename>{0}</filename>").format(self.getName()), 0, False, -1)
message.show()
self.writeStarted.emit(self)
job._message = message
self._writing = True
job.start()
except PermissionError as e:
Logger.log("e", "Permission denied when trying to write to %s: %s", file_name, str(e))
raise OutputDeviceError.PermissionDeniedError() from e
except OSError as e:
Logger.log("e", "Operating system would not let us write to %s: %s", file_name, str(e))
raise OutputDeviceError.WriteRequestFailedError() from e
def _showRequestSucceededMessage(self):
confirmation_message_template = i18n_catalog.i18nc(
"@info:status",
"Sent {file_name} to group {cluster_name}."
)
file_name = os.path.basename(self._file_name).split(".")[0]
message_text = confirmation_message_template.format(cluster_name = self.getName(), file_name = file_name)
message = Message(text=message_text)
button_text = i18n_catalog.i18nc("@action:button", "Show print jobs")
button_tooltip = i18n_catalog.i18nc("@info:tooltip", "Opens the print jobs interface in your browser.")
message.addAction("open_browser", button_text, "globe", button_tooltip)
message.actionTriggered.connect(self._onMessageActionTriggered)
message.show()
def exportProfile(self, instance_ids, file_name, file_type):
# Parse the fileType to deduce what plugin can save the file format.
# fileType has the format "<description> (*.<extension>)"
split = file_type.rfind(" (*.") # Find where the description ends and the extension starts.
if split < 0: # Not found. Invalid format.
Logger.log("e", "Invalid file format identifier %s", file_type)
return
description = file_type[:split]
extension = file_type[split + 4:-1] # Leave out the " (*." and ")".
if not file_name.endswith("." + extension): # Auto-fill the extension if the user did not provide any.
file_name += "." + extension
# On Windows, QML FileDialog properly asks for overwrite confirm, but not on other platforms, so handle those ourself.
if not Platform.isWindows():
if os.path.exists(file_name):
result = QMessageBox.question(None, catalog.i18nc("@title:window", "File Already Exists"),
catalog.i18nc("@label", "The file <filename>{0}</filename> already exists. Are you sure you want to overwrite it?").format(file_name))
if result == QMessageBox.No:
return
found_containers = []
extruder_positions = []
for instance_id in instance_ids:
containers = ContainerRegistry.getInstance().findInstanceContainers(id=instance_id)
if containers:
found_containers.append(containers[0])
# Determine the position of the extruder of this container
extruder_id = containers[0].getMetaDataEntry("extruder", "")
if extruder_id == "":
# Global stack
extruder_positions.append(-1)
else:
extruder_containers = ContainerRegistry.getInstance().findDefinitionContainers(id=extruder_id)
if extruder_containers:
extruder_positions.append(int(extruder_containers[0].getMetaDataEntry("position", 0)))
else:
extruder_positions.append(0)
# Ensure the profiles are always exported in order (global, extruder 0, extruder 1, ...)
found_containers = [containers for (positions, containers) in sorted(zip(extruder_positions, found_containers))]
profile_writer = self._findProfileWriter(extension, description)
try:
success = profile_writer.write(file_name, found_containers)
except Exception as e:
Logger.log("e", "Failed to export profile to %s: %s", file_name, str(e))
m = Message(catalog.i18nc("@info:status", "Failed to export profile to <filename>{0}</filename>: <message>{1}</message>", file_name, str(e)), lifetime = 0)
m.show()
return
if not success:
Logger.log("w", "Failed to export profile to %s: Writer plugin reported failure.", file_name)
m = Message(catalog.i18nc("@info:status", "Failed to export profile to <filename>{0}</filename>: Writer plugin reported failure.", file_name), lifetime = 0)
m.show()
return
m = Message(catalog.i18nc("@info:status", "Exported profile to <filename>{0}</filename>", file_name))
m.show()
def slice(self):
self._stored_layer_data = []
if not self._enabled: #We shouldn't be slicing.
return
if self._slicing: #We were already slicing. Stop the old job.
self._terminate()
if self._process_layers_job: #We were processing layers. Stop that, the layers are going to change soon.
self._process_layers_job.abort()
self._process_layers_job = None
#Don't slice if there is a setting with an error value.
stack = Application.getInstance().getGlobalContainerStack()
for key in stack.getAllKeys():
validation_state = stack.getProperty(key, "validationState")
#Only setting instances have a validation state, so settings which
#are not overwritten by any instance will have none. The property
#then, and only then, evaluates to None. We make the assumption that
#the definition defines the setting with a default value that is
#valid. Therefore we can allow both ValidatorState.Valid and None as
#allowable validation states.
#TODO: This assumption is wrong! If the definition defines an inheritance function that through inheritance evaluates to a disallowed value, a setting is still invalid even though it's default!
#TODO: Therefore we must also validate setting definitions.
if validation_state != None and validation_state != ValidatorState.Valid:
Logger.log("w", "Setting %s is not valid, but %s. Aborting slicing.", key, validation_state)
if self._message: #Hide any old message before creating a new one.
self._message.hide()
self._message = None
self._message = Message(catalog.i18nc("@info:status", "Unable to slice. Please check your setting values for errors."))
self._message.show()
return
self.processingProgress.emit(0.0)
self.backendStateChange.emit(BackendState.NOT_STARTED)
if self._message:
self._message.setProgress(-1)
else:
self._message = Message(catalog.i18nc("@info:status", "Slicing..."), 0, False, -1)
self._message.show()
self._scene.gcode_list = []
self._slicing = True
self.slicingStarted.emit()
slice_message = self._socket.createMessage("cura.proto.Slice")
settings_message = self._socket.createMessage("cura.proto.SettingList");
self._start_slice_job = StartSliceJob.StartSliceJob(slice_message, settings_message)
self._start_slice_job.start()
self._start_slice_job.finished.connect(self._onStartSliceCompleted)
def _installPackage(self, installation_package_data: Dict[str, Any]) -> None:
package_info = installation_package_data["package_info"]
filename = installation_package_data["filename"]
package_id = package_info["package_id"]
Logger.log("i", "Installing package [%s] from file [%s]", package_id, filename)
# Load the cached package file and extract all contents to a temporary directory
if not os.path.exists(filename):
Logger.log("w", "Package [%s] file '%s' is missing, cannot install this package", package_id, filename)
return
try:
with zipfile.ZipFile(filename, "r") as archive:
temp_dir = tempfile.TemporaryDirectory()
archive.extractall(temp_dir.name)
except Exception:
Logger.logException("e", "Failed to install package from file [%s]", filename)
return
# Remove it first and then install
try:
self._purgePackage(package_id)
except Exception as e:
message = Message(catalog.i18nc("@error:update",
"There was an error uninstalling the package {package} before installing "
"new version:\n{error}.\nPlease try to upgrade again later.".format(
package = package_id, error = str(e))),
title = catalog.i18nc("@info:title", "Updating error"))
message.show()
return
# Copy the folders there
for sub_dir_name, installation_root_dir in self._installation_dirs_dict.items():
src_dir_path = os.path.join(temp_dir.name, "files", sub_dir_name)
dst_dir_path = os.path.join(installation_root_dir, package_id)
if not os.path.exists(src_dir_path):
Logger.log("w", "The path %s does not exist, so not installing the files", src_dir_path)
continue
self.__installPackageFiles(package_id, src_dir_path, dst_dir_path)
# Remove the file
try:
os.remove(filename)
except Exception:
Logger.log("w", "Tried to delete file [%s], but it failed", filename)
# Move the info to the installed list of packages only when it succeeds
self._installed_package_dict[package_id] = self._to_install_package_dict[package_id]
self._installed_package_dict[package_id]["package_info"]["is_installed"] = True
def requestWrite(self, nodes, file_name = None, filter_by_machine = False, file_handler = None, **kwargs):
container_stack = Application.getInstance().getGlobalContainerStack()
if container_stack.getProperty("machine_gcode_flavor", "value") == "UltiGCode":
self._error_message = Message(catalog.i18nc("@info:status", "This printer does not support USB printing because it uses UltiGCode flavor."))
self._error_message.show()
return
elif not container_stack.getMetaDataEntry("supports_usb_connection"):
self._error_message = Message(catalog.i18nc("@info:status", "Unable to start a new job because the printer does not support usb printing."))
self._error_message.show()
return
Application.getInstance().showPrintMonitor.emit(True)
self.startPrint()
def run(self):
super().run()
if not self._result:
self._result = []
# Scale down to maximum bounds size if that is available
if hasattr(self._application.getController().getScene(), "_maximum_bounds"):
for node in self._result:
max_bounds = self._application.getController().getScene()._maximum_bounds
node._resetAABB()
build_bounds = node.getBoundingBox()
if build_bounds is None or max_bounds is None:
continue
if self._application.getInstance().getPreferences().getValue("mesh/scale_to_fit") == True or self._application.getInstance().getPreferences().getValue("mesh/scale_tiny_meshes") == True:
scale_factor_width = max_bounds.width / build_bounds.width
scale_factor_height = max_bounds.height / build_bounds.height
scale_factor_depth = max_bounds.depth / build_bounds.depth
scale_factor = min(scale_factor_width, scale_factor_depth, scale_factor_height)
if self._application.getInstance().getPreferences().getValue("mesh/scale_to_fit") == True and (scale_factor_width < 1 or scale_factor_height < 1 or scale_factor_depth < 1): # Use scale factor to scale large object down
# Ignore scaling on models which are less than 1.25 times bigger than the build volume
ignore_factor = 1.25
if 1 / scale_factor < ignore_factor:
Logger.log("i", "Ignoring auto-scaling, because %.3d < %.3d" % (1 / scale_factor, ignore_factor))
scale_factor = 1
pass
elif self._application.getInstance().getPreferences().getValue("mesh/scale_tiny_meshes") == True and (scale_factor_width > 100 and scale_factor_height > 100 and scale_factor_depth > 100):
# Round scale factor to lower factor of 10 to scale tiny object up (eg convert m to mm units)
try:
scale_factor = math.pow(10, math.floor(math.log(scale_factor) / math.log(10)))
except:
# In certain cases the scale_factor can be inf which can make this fail. Just use 1 instead.
scale_factor = 1
else:
scale_factor = 1
if scale_factor != 1:
scale_vector = Vector(scale_factor, scale_factor, scale_factor)
display_scale_factor = scale_factor * 100
scale_message = Message(i18n_catalog.i18nc("@info:status", "Auto scaled object to {0}% of original size", ("%i" % display_scale_factor)), title = i18n_catalog.i18nc("@info:title", "Scaling Object"))
try:
node.scale(scale_vector)
scale_message.show()
except Exception:
Logger.logException("e", "While auto-scaling an exception has been raised")
def run(self):
status_message = Message(i18n_catalog.i18nc(
"@info:status", "Multiplying and placing objects"),
lifetime=0,
dismissable=False,
progress=0)
status_message.show()
scene = Application.getInstance().getController().getScene()
node = scene.findObject(self._object_id)
if not node and self._object_id != 0: # Workaround for tool handles overlapping the selected object
node = Selection.getSelectedObject(0)
# If object is part of a group, multiply group
current_node = node
while current_node.getParent() and current_node.getParent(
).callDecoration("isGroup"):
current_node = current_node.getParent()
root = scene.getRoot()
arranger = Arrange.create(scene_root=root)
node_too_big = False
if node.getBoundingBox().width < 300 or node.getBoundingBox(
).depth < 300:
offset_shape_arr, hull_shape_arr = ShapeArray.fromNode(
current_node, min_offset=self._min_offset)
else:
node_too_big = True
nodes = []
found_solution_for_all = True
for i in range(self._count):
# We do place the nodes one by one, as we want to yield in between.
if not node_too_big:
node, solution_found = arranger.findNodePlacement(
current_node, offset_shape_arr, hull_shape_arr)
if node_too_big or not solution_found:
found_solution_for_all = False
new_location = node.getPosition()
new_location = new_location.set(z=100 - i * 20)
node.setPosition(new_location)
nodes.append(node)
Job.yieldThread()
status_message.setProgress((i + 1) / self._count * 100)
if nodes:
op = GroupedOperation()
for new_node in nodes:
op.addOperation(
AddSceneNodeOperation(new_node, current_node.getParent()))
op.push()
status_message.hide()
if not found_solution_for_all:
no_full_solution_message = Message(
i18n_catalog.i18nc(
"@info:status",
"Unable to find a location within the build volume for all objects"
))
no_full_solution_message.show()
class LegacyUM3OutputDevice(NetworkedPrinterOutputDevice):
def __init__(self, device_id, address: str, properties, parent=None):
super().__init__(device_id=device_id,
address=address,
properties=properties,
parent=parent)
self._api_prefix = "/api/v1/"
self._number_of_extruders = 2
self._authentication_id = None
self._authentication_key = None
self._authentication_counter = 0
self._max_authentication_counter = 5 * 60 # Number of attempts before authentication timed out (5 min)
self._authentication_timer = QTimer()
self._authentication_timer.setInterval(
1000) # TODO; Add preference for update interval
self._authentication_timer.setSingleShot(False)
self._authentication_timer.timeout.connect(self._onAuthenticationTimer)
# The messages are created when connect is called the first time.
# This ensures that the messages are only created for devices that actually want to connect.
self._authentication_requested_message = None
self._authentication_failed_message = None
self._authentication_succeeded_message = None
self._not_authenticated_message = None
self.authenticationStateChanged.connect(
self._onAuthenticationStateChanged)
self.setPriority(
3
) # Make sure the output device gets selected above local file output
self.setName(self._id)
self.setShortDescription(
i18n_catalog.i18nc("@action:button Preceded by 'Ready to'.",
"Print over network"))
self.setDescription(
i18n_catalog.i18nc("@properties:tooltip", "Print over network"))
self.setIconName("print")
self._monitor_view_qml_path = os.path.join(
os.path.dirname(os.path.abspath(__file__)), "MonitorItem.qml")
self._output_controller = LegacyUM3PrinterOutputController(self)
def _onAuthenticationStateChanged(self):
# We only accept commands if we are authenticated.
self._setAcceptsCommands(
self._authentication_state == AuthState.Authenticated)
if self._authentication_state == AuthState.Authenticated:
self.setConnectionText(
i18n_catalog.i18nc("@info:status",
"Connected over the network."))
elif self._authentication_state == AuthState.AuthenticationRequested:
self.setConnectionText(
i18n_catalog.i18nc(
"@info:status",
"Connected over the network. Please approve the access request on the printer."
))
elif self._authentication_state == AuthState.AuthenticationDenied:
self.setConnectionText(
i18n_catalog.i18nc(
"@info:status",
"Connected over the network. No access to control the printer."
))
def _setupMessages(self):
self._authentication_requested_message = Message(
i18n_catalog.i18nc(
"@info:status",
"Access to the printer requested. Please approve the request on the printer"
),
lifetime=0,
dismissable=False,
progress=0,
title=i18n_catalog.i18nc("@info:title", "Authentication status"))
self._authentication_failed_message = Message(
i18n_catalog.i18nc("@info:status", ""),
title=i18n_catalog.i18nc("@info:title", "Authentication Status"))
self._authentication_failed_message.addAction(
"Retry", i18n_catalog.i18nc("@action:button", "Retry"), None,
i18n_catalog.i18nc("@info:tooltip", "Re-send the access request"))
self._authentication_failed_message.actionTriggered.connect(
self._messageCallback)
self._authentication_succeeded_message = Message(
i18n_catalog.i18nc("@info:status",
"Access to the printer accepted"),
title=i18n_catalog.i18nc("@info:title", "Authentication Status"))
self._not_authenticated_message = Message(i18n_catalog.i18nc(
"@info:status",
"No access to print with this printer. Unable to send print job."),
title=i18n_catalog.i18nc(
"@info:title",
"Authentication Status"))
self._not_authenticated_message.addAction(
"Request", i18n_catalog.i18nc("@action:button", "Request Access"),
None,
i18n_catalog.i18nc("@info:tooltip",
"Send access request to the printer"))
self._not_authenticated_message.actionTriggered.connect(
self._messageCallback)
def _messageCallback(self, message_id=None, action_id="Retry"):
if action_id == "Request" or action_id == "Retry":
if self._authentication_failed_message:
self._authentication_failed_message.hide()
if self._not_authenticated_message:
self._not_authenticated_message.hide()
self._requestAuthentication()
def connect(self):
super().connect()
self._setupMessages()
global_container = Application.getInstance().getGlobalContainerStack()
if global_container:
self._authentication_id = global_container.getMetaDataEntry(
"network_authentication_id", None)
self._authentication_key = global_container.getMetaDataEntry(
"network_authentication_key", None)
def close(self):
super().close()
if self._authentication_requested_message:
self._authentication_requested_message.hide()
if self._authentication_failed_message:
self._authentication_failed_message.hide()
if self._authentication_succeeded_message:
self._authentication_succeeded_message.hide()
self._sending_gcode = False
self._compressing_gcode = False
self._authentication_timer.stop()
## Send all material profiles to the printer.
def _sendMaterialProfiles(self):
Logger.log("i", "Sending material profiles to printer")
# TODO: Might want to move this to a job...
for container in ContainerRegistry.getInstance(
).findInstanceContainers(type="material"):
try:
xml_data = container.serialize()
if xml_data == "" or xml_data is None:
continue
names = ContainerManager.getInstance().getLinkedMaterials(
container.getId())
if names:
# There are other materials that share this GUID.
if not container.isReadOnly():
continue # If it's not readonly, it's created by user, so skip it.
file_name = "none.xml"
self.postForm("materials",
"form-data; name=\"file\";filename=\"%s\"" %
file_name,
xml_data.encode(),
onFinished=None)
except NotImplementedError:
# If the material container is not the most "generic" one it can't be serialized an will raise a
# NotImplementedError. We can simply ignore these.
pass
def requestWrite(self,
nodes,
file_name=None,
filter_by_machine=False,
file_handler=None,
**kwargs):
if not self.activePrinter:
# No active printer. Unable to write
return
if self.activePrinter.state not in ["idle", ""]:
# Printer is not able to accept commands.
return
if self._authentication_state != AuthState.Authenticated:
# Not authenticated, so unable to send job.
return
self.writeStarted.emit(self)
gcode_dict = getattr(
Application.getInstance().getController().getScene(), "gcode_dict",
[])
active_build_plate_id = Application.getInstance().getBuildPlateModel(
).activeBuildPlate
gcode_list = gcode_dict[active_build_plate_id]
if not gcode_list:
# Unable to find g-code. Nothing to send
return
self._gcode = gcode_list
errors = self._checkForErrors()
if errors:
text = i18n_catalog.i18nc("@label",
"Unable to start a new print job.")
informative_text = i18n_catalog.i18nc(
"@label",
"There is an issue with the configuration of your Ultimaker, which makes it impossible to start the print. "
"Please resolve this issues before continuing.")
detailed_text = ""
for error in errors:
detailed_text += error + "\n"
Application.getInstance().messageBox(
i18n_catalog.i18nc("@window:title",
"Mismatched configuration"),
text,
informative_text,
detailed_text,
buttons=QMessageBox.Ok,
icon=QMessageBox.Critical,
callback=self._messageBoxCallback)
return # Don't continue; Errors must block sending the job to the printer.
# There might be multiple things wrong with the configuration. Check these before starting.
warnings = self._checkForWarnings()
if warnings:
text = i18n_catalog.i18nc(
"@label",
"Are you sure you wish to print with the selected configuration?"
)
informative_text = i18n_catalog.i18nc(
"@label",
"There is a mismatch between the configuration or calibration of the printer and Cura. "
"For the best result, always slice for the PrintCores and materials that are inserted in your printer."
)
detailed_text = ""
for warning in warnings:
detailed_text += warning + "\n"
Application.getInstance().messageBox(
i18n_catalog.i18nc("@window:title",
"Mismatched configuration"),
text,
informative_text,
detailed_text,
buttons=QMessageBox.Yes + QMessageBox.No,
icon=QMessageBox.Question,
callback=self._messageBoxCallback)
return
# No warnings or errors, so we're good to go.
self._startPrint()
# Notify the UI that a switch to the print monitor should happen
Application.getInstance().getController().setActiveStage(
"MonitorStage")
def _startPrint(self):
Logger.log("i", "Sending print job to printer.")
if self._sending_gcode:
self._error_message = Message(
i18n_catalog.i18nc(
"@info:status",
"Sending new jobs (temporarily) blocked, still sending the previous print job."
))
self._error_message.show()
return
self._sending_gcode = True
self._send_gcode_start = time()
self._progress_message = Message(
i18n_catalog.i18nc("@info:status", "Sending data to printer"), 0,
False, -1, i18n_catalog.i18nc("@info:title", "Sending Data"))
self._progress_message.addAction(
"Abort", i18n_catalog.i18nc("@action:button", "Cancel"), None, "")
self._progress_message.actionTriggered.connect(
self._progressMessageActionTriggered)
self._progress_message.show()
compressed_gcode = self._compressGCode()
if compressed_gcode is None:
# Abort was called.
return
file_name = "%s.gcode.gz" % Application.getInstance(
).getPrintInformation().jobName
self.postForm("print_job",
"form-data; name=\"file\";filename=\"%s\"" % file_name,
compressed_gcode,
onFinished=self._onPostPrintJobFinished)
return
def _progressMessageActionTriggered(self, message_id=None, action_id=None):
if action_id == "Abort":
Logger.log("d", "User aborted sending print to remote.")
self._progress_message.hide()
self._compressing_gcode = False
self._sending_gcode = False
Application.getInstance().getController().setActiveStage(
"PrepareStage")
def _onPostPrintJobFinished(self, reply):
self._progress_message.hide()
self._sending_gcode = False
def _onUploadPrintJobProgress(self, bytes_sent, bytes_total):
if bytes_total > 0:
new_progress = bytes_sent / bytes_total * 100
# Treat upload progress as response. Uploading can take more than 10 seconds, so if we don't, we can get
# timeout responses if this happens.
self._last_response_time = time()
if new_progress > self._progress_message.getProgress():
self._progress_message.show(
) # Ensure that the message is visible.
self._progress_message.setProgress(bytes_sent / bytes_total *
100)
else:
self._progress_message.setProgress(0)
self._progress_message.hide()
def _messageBoxCallback(self, button):
def delayedCallback():
if button == QMessageBox.Yes:
self._startPrint()
else:
Application.getInstance().getController().setActiveStage(
"PrepareStage")
# For some unknown reason Cura on OSX will hang if we do the call back code
# immediately without first returning and leaving QML's event system.
QTimer.singleShot(100, delayedCallback)
def _checkForErrors(self):
errors = []
print_information = Application.getInstance().getPrintInformation()
if not print_information.materialLengths:
Logger.log(
"w",
"There is no material length information. Unable to check for errors."
)
return errors
for index, extruder in enumerate(self.activePrinter.extruders):
# Due to airflow issues, both slots must be loaded, regardless if they are actually used or not.
if extruder.hotendID == "":
# No Printcore loaded.
errors.append(
i18n_catalog.i18nc(
"@info:status",
"No Printcore loaded in slot {slot_number}".format(
slot_number=index + 1)))
if index < len(print_information.materialLengths
) and print_information.materialLengths[index] != 0:
# The extruder is by this print.
if extruder.activeMaterial is None:
# No active material
errors.append(
i18n_catalog.i18nc(
"@info:status",
"No material loaded in slot {slot_number}".format(
slot_number=index + 1)))
return errors
def _checkForWarnings(self):
warnings = []
print_information = Application.getInstance().getPrintInformation()
if not print_information.materialLengths:
Logger.log(
"w",
"There is no material length information. Unable to check for warnings."
)
return warnings
extruder_manager = ExtruderManager.getInstance()
for index, extruder in enumerate(self.activePrinter.extruders):
if index < len(print_information.materialLengths
) and print_information.materialLengths[index] != 0:
# The extruder is by this print.
# TODO: material length check
# Check if the right Printcore is active.
variant = extruder_manager.getExtruderStack(
index).findContainer({"type": "variant"})
if variant:
if variant.getName() != extruder.hotendID:
warnings.append(
i18n_catalog.i18nc(
"@label",
"Different PrintCore (Cura: {cura_printcore_name}, Printer: {remote_printcore_name}) selected for extruder {extruder_id}"
.format(
cura_printcore_name=variant.getName(),
remote_printcore_name=extruder.hotendID,
extruder_id=index + 1)))
else:
Logger.log("w", "Unable to find variant.")
# Check if the right material is loaded.
local_material = extruder_manager.getExtruderStack(
index).findContainer({"type": "material"})
if local_material:
if extruder.activeMaterial.guid != local_material.getMetaDataEntry(
"GUID"):
Logger.log(
"w",
"Extruder %s has a different material (%s) as Cura (%s)",
index + 1, extruder.activeMaterial.guid,
local_material.getMetaDataEntry("GUID"))
warnings.append(
i18n_catalog.i18nc(
"@label",
"Different material (Cura: {0}, Printer: {1}) selected for extruder {2}"
).format(local_material.getName(),
extruder.activeMaterial.name, index + 1))
else:
Logger.log("w", "Unable to find material.")
return warnings
def _update(self):
if not super()._update():
return
if self._authentication_state == AuthState.NotAuthenticated:
if self._authentication_id is None and self._authentication_key is None:
# This machine doesn't have any authentication, so request it.
self._requestAuthentication()
elif self._authentication_id is not None and self._authentication_key is not None:
# We have authentication info, but we haven't checked it out yet. Do so now.
self._verifyAuthentication()
elif self._authentication_state == AuthState.AuthenticationReceived:
# We have an authentication, but it's not confirmed yet.
self._checkAuthentication()
# We don't need authentication for requesting info, so we can go right ahead with requesting this.
self.get("printer", onFinished=self._onGetPrinterDataFinished)
self.get("print_job", onFinished=self._onGetPrintJobFinished)
def _resetAuthenticationRequestedMessage(self):
if self._authentication_requested_message:
self._authentication_requested_message.hide()
self._authentication_timer.stop()
self._authentication_counter = 0
def _onAuthenticationTimer(self):
self._authentication_counter += 1
self._authentication_requested_message.setProgress(
self._authentication_counter / self._max_authentication_counter *
100)
if self._authentication_counter > self._max_authentication_counter:
self._authentication_timer.stop()
Logger.log(
"i",
"Authentication timer ended. Setting authentication to denied for printer: %s"
% self._id)
self.setAuthenticationState(AuthState.AuthenticationDenied)
self._resetAuthenticationRequestedMessage()
self._authentication_failed_message.show()
def _verifyAuthentication(self):
Logger.log("d", "Attempting to verify authentication")
# This will ensure that the "_onAuthenticationRequired" is triggered, which will setup the authenticator.
self.get("auth/verify",
onFinished=self._onVerifyAuthenticationCompleted)
def _onVerifyAuthenticationCompleted(self, reply):
status_code = reply.attribute(QNetworkRequest.HttpStatusCodeAttribute)
if status_code == 401:
# Something went wrong; We somehow tried to verify authentication without having one.
Logger.log("d", "Attempted to verify auth without having one.")
self._authentication_id = None
self._authentication_key = None
self.setAuthenticationState(AuthState.NotAuthenticated)
elif status_code == 403 and self._authentication_state != AuthState.Authenticated:
# If we were already authenticated, we probably got an older message back all of the sudden. Drop that.
Logger.log(
"d",
"While trying to verify the authentication state, we got a forbidden response. Our own auth state was %s. ",
self._authentication_state)
self.setAuthenticationState(AuthState.AuthenticationDenied)
self._authentication_failed_message.show()
elif status_code == 200:
self.setAuthenticationState(AuthState.Authenticated)
# Now we know for sure that we are authenticated, send the material profiles to the machine.
self._sendMaterialProfiles()
def _checkAuthentication(self):
Logger.log(
"d", "Checking if authentication is correct for id %s and key %s",
self._authentication_id, self._getSafeAuthKey())
self.get("auth/check/" + str(self._authentication_id),
onFinished=self._onCheckAuthenticationFinished)
def _onCheckAuthenticationFinished(self, reply):
if str(self._authentication_id) not in reply.url().toString():
Logger.log("w", "Got an old id response.")
# Got response for old authentication ID.
return
try:
data = json.loads(bytes(reply.readAll()).decode("utf-8"))
except json.decoder.JSONDecodeError:
Logger.log(
"w",
"Received an invalid authentication check from printer: Not valid JSON."
)
return
if data.get("message", "") == "authorized":
Logger.log("i", "Authentication was approved")
self.setAuthenticationState(AuthState.Authenticated)
self._saveAuthentication()
# Double check that everything went well.
self._verifyAuthentication()
# Notify the user.
self._resetAuthenticationRequestedMessage()
self._authentication_succeeded_message.show()
elif data.get("message", "") == "unauthorized":
Logger.log("i", "Authentication was denied.")
self.setAuthenticationState(AuthState.AuthenticationDenied)
self._authentication_failed_message.show()
def _saveAuthentication(self):
global_container_stack = Application.getInstance(
).getGlobalContainerStack()
if global_container_stack:
if "network_authentication_key" in global_container_stack.getMetaData(
):
global_container_stack.setMetaDataEntry(
"network_authentication_key", self._authentication_key)
else:
global_container_stack.addMetaDataEntry(
"network_authentication_key", self._authentication_key)
if "network_authentication_id" in global_container_stack.getMetaData(
):
global_container_stack.setMetaDataEntry(
"network_authentication_id", self._authentication_id)
else:
global_container_stack.addMetaDataEntry(
"network_authentication_id", self._authentication_id)
# Force save so we are sure the data is not lost.
Application.getInstance().saveStack(global_container_stack)
Logger.log("i", "Authentication succeeded for id %s and key %s",
self._authentication_id, self._getSafeAuthKey())
else:
Logger.log("e",
"Unable to save authentication for id %s and key %s",
self._authentication_id, self._getSafeAuthKey())
def _onRequestAuthenticationFinished(self, reply):
try:
data = json.loads(bytes(reply.readAll()).decode("utf-8"))
except json.decoder.JSONDecodeError:
Logger.log(
"w",
"Received an invalid authentication request reply from printer: Not valid JSON."
)
self.setAuthenticationState(AuthState.NotAuthenticated)
return
self.setAuthenticationState(AuthState.AuthenticationReceived)
self._authentication_id = data["id"]
self._authentication_key = data["key"]
Logger.log(
"i",
"Got a new authentication ID (%s) and KEY (%s). Waiting for authorization.",
self._authentication_id, self._getSafeAuthKey())
def _requestAuthentication(self):
self._authentication_requested_message.show()
self._authentication_timer.start()
# Reset any previous authentication info. If this isn't done, the "Retry" action on the failed message might
# give issues.
self._authentication_key = None
self._authentication_id = None
self.post("auth/request",
json.dumps({
"application":
"Cura-" + Application.getInstance().getVersion(),
"user":
self._getUserName()
}).encode(),
onFinished=self._onRequestAuthenticationFinished)
self.setAuthenticationState(AuthState.AuthenticationRequested)
def _onAuthenticationRequired(self, reply, authenticator):
if self._authentication_id is not None and self._authentication_key is not None:
Logger.log(
"d",
"Authentication was required for printer: %s. Setting up authenticator with ID %s and key %s",
self._id, self._authentication_id, self._getSafeAuthKey())
authenticator.setUser(self._authentication_id)
authenticator.setPassword(self._authentication_key)
else:
Logger.log(
"d",
"No authentication is available to use for %s, but we did got a request for it.",
self._id)
def _onGetPrintJobFinished(self, reply):
status_code = reply.attribute(QNetworkRequest.HttpStatusCodeAttribute)
if not self._printers:
return # Ignore the data for now, we don't have info about a printer yet.
printer = self._printers[0]
if status_code == 200:
try:
result = json.loads(bytes(reply.readAll()).decode("utf-8"))
except json.decoder.JSONDecodeError:
Logger.log(
"w",
"Received an invalid print job state message: Not valid JSON."
)
return
if printer.activePrintJob is None:
print_job = PrintJobOutputModel(
output_controller=self._output_controller)
printer.updateActivePrintJob(print_job)
else:
print_job = printer.activePrintJob
print_job.updateState(result["state"])
print_job.updateTimeElapsed(result["time_elapsed"])
print_job.updateTimeTotal(result["time_total"])
print_job.updateName(result["name"])
elif status_code == 404:
# No job found, so delete the active print job (if any!)
printer.updateActivePrintJob(None)
else:
Logger.log(
"w",
"Got status code {status_code} while trying to get printer data"
.format(status_code=status_code))
def materialHotendChangedMessage(self, callback):
Application.getInstance().messageBox(
i18n_catalog.i18nc("@window:title", "Sync with your printer"),
i18n_catalog.i18nc(
"@label",
"Would you like to use your current printer configuration in Cura?"
),
i18n_catalog.i18nc(
"@label",
"The PrintCores and/or materials on your printer differ from those within your current project. For the best result, always slice for the PrintCores and materials that are inserted in your printer."
),
buttons=QMessageBox.Yes + QMessageBox.No,
icon=QMessageBox.Question,
callback=callback)
def _onGetPrinterDataFinished(self, reply):
status_code = reply.attribute(QNetworkRequest.HttpStatusCodeAttribute)
if status_code == 200:
try:
result = json.loads(bytes(reply.readAll()).decode("utf-8"))
except json.decoder.JSONDecodeError:
Logger.log(
"w",
"Received an invalid printer state message: Not valid JSON."
)
return
if not self._printers:
# Quickest way to get the firmware version is to grab it from the zeroconf.
firmware_version = self._properties.get(
b"firmware_version", b"").decode("utf-8")
self._printers = [
PrinterOutputModel(
output_controller=self._output_controller,
number_of_extruders=self._number_of_extruders,
firmware_version=firmware_version)
]
self._printers[0].setCamera(
NetworkCamera("http://" + self._address +
":8080/?action=stream"))
for extruder in self._printers[0].extruders:
extruder.activeMaterialChanged.connect(
self.materialIdChanged)
extruder.hotendIDChanged.connect(self.hotendIdChanged)
self.printersChanged.emit()
# LegacyUM3 always has a single printer.
printer = self._printers[0]
printer.updateBedTemperature(
result["bed"]["temperature"]["current"])
printer.updateTargetBedTemperature(
result["bed"]["temperature"]["target"])
printer.updateState(result["status"])
try:
# If we're still handling the request, we should ignore remote for a bit.
if not printer.getController().isPreheatRequestInProgress():
printer.updateIsPreheating(
result["bed"]["pre_heat"]["active"])
except KeyError:
# Older firmwares don't support preheating, so we need to fake it.
pass
head_position = result["heads"][0]["position"]
printer.updateHeadPosition(head_position["x"], head_position["y"],
head_position["z"])
for index in range(0, self._number_of_extruders):
temperatures = result["heads"][0]["extruders"][index][
"hotend"]["temperature"]
extruder = printer.extruders[index]
extruder.updateTargetHotendTemperature(temperatures["target"])
extruder.updateHotendTemperature(temperatures["current"])
material_guid = result["heads"][0]["extruders"][index][
"active_material"]["guid"]
if extruder.activeMaterial is None or extruder.activeMaterial.guid != material_guid:
# Find matching material (as we need to set brand, type & color)
containers = ContainerRegistry.getInstance(
).findInstanceContainers(type="material",
GUID=material_guid)
if containers:
color = containers[0].getMetaDataEntry("color_code")
brand = containers[0].getMetaDataEntry("brand")
material_type = containers[0].getMetaDataEntry(
"material")
name = containers[0].getName()
else:
# Unknown material.
color = "#00000000"
brand = "Unknown"
material_type = "Unknown"
name = "Unknown"
material = MaterialOutputModel(guid=material_guid,
type=material_type,
brand=brand,
color=color,
name=name)
extruder.updateActiveMaterial(material)
try:
hotend_id = result["heads"][0]["extruders"][index][
"hotend"]["id"]
except KeyError:
hotend_id = ""
printer.extruders[index].updateHotendID(hotend_id)
else:
Logger.log(
"w",
"Got status code {status_code} while trying to get printer data"
.format(status_code=status_code))
## Convenience function to "blur" out all but the last 5 characters of the auth key.
# This can be used to debug print the key, without it compromising the security.
def _getSafeAuthKey(self):
if self._authentication_key is not None:
result = self._authentication_key[-5:]
result = "********" + result
return result
return self._authentication_key
class RotateTool(Tool):
def __init__(self):
super().__init__()
self._handle = RotateToolHandle.RotateToolHandle()
self._snap_rotation = True
self._snap_angle = math.radians(15)
self._angle = None
self._angle_update_time = None
self._progress_message = None
self._iterations = 0
self._total_iterations = 0
self._rotating = False
self.setExposedProperties("ToolHint", "RotationSnap", "RotationSnapAngle")
self._saved_node_positions = []
## Handle mouse and keyboard events
#
# \param event type(Event)
def event(self, event):
super().event(event)
if event.type == Event.KeyPressEvent and event.key == KeyEvent.ShiftKey:
# Snap is toggled when pressing the shift button
self._snap_rotation = (not self._snap_rotation)
self.propertyChanged.emit()
if event.type == Event.KeyReleaseEvent and event.key == KeyEvent.ShiftKey:
# Snap is "toggled back" when releasing the shift button
self._snap_rotation = (not self._snap_rotation)
self.propertyChanged.emit()
if event.type == Event.MousePressEvent and self._controller.getToolsEnabled():
# Start a rotate operation
if MouseEvent.LeftButton not in event.buttons:
return False
id = self._selection_pass.getIdAtPosition(event.x, event.y)
if not id:
return False
if self._handle.isAxis(id):
self.setLockedAxis(id)
else:
# Not clicked on an axis: do nothing.
return False
handle_position = self._handle.getWorldPosition()
# Save the current positions of the node, as we want to rotate around their current centres
self._saved_node_positions = []
for node in Selection.getAllSelectedObjects():
self._saved_node_positions.append((node, node.getPosition()))
if id == ToolHandle.XAxis:
self.setDragPlane(Plane(Vector(1, 0, 0), handle_position.x))
elif id == ToolHandle.YAxis:
self.setDragPlane(Plane(Vector(0, 1, 0), handle_position.y))
elif self._locked_axis == ToolHandle.ZAxis:
self.setDragPlane(Plane(Vector(0, 0, 1), handle_position.z))
else:
self.setDragPlane(Plane(Vector(0, 1, 0), handle_position.y))
self.setDragStart(event.x, event.y)
self._rotating = False
self._angle = 0
if event.type == Event.MouseMoveEvent:
# Perform a rotate operation
if not self.getDragPlane():
return False
if not self.getDragStart():
self.setDragStart(event.x, event.y)
if not self._rotating:
self._rotating = True
self.operationStarted.emit(self)
handle_position = self._handle.getWorldPosition()
drag_start = (self.getDragStart() - handle_position).normalized()
drag_position = self.getDragPosition(event.x, event.y)
if not drag_position:
return
drag_end = (drag_position - handle_position).normalized()
try:
angle = math.acos(drag_start.dot(drag_end))
except ValueError:
angle = 0
if self._snap_rotation:
angle = int(angle / self._snap_angle) * self._snap_angle
if angle == 0:
return
rotation = None
if self.getLockedAxis() == ToolHandle.XAxis:
direction = 1 if Vector.Unit_X.dot(drag_start.cross(drag_end)) > 0 else -1
rotation = Quaternion.fromAngleAxis(direction * angle, Vector.Unit_X)
elif self.getLockedAxis() == ToolHandle.YAxis:
direction = 1 if Vector.Unit_Y.dot(drag_start.cross(drag_end)) > 0 else -1
rotation = Quaternion.fromAngleAxis(direction * angle, Vector.Unit_Y)
elif self.getLockedAxis() == ToolHandle.ZAxis:
direction = 1 if Vector.Unit_Z.dot(drag_start.cross(drag_end)) > 0 else -1
rotation = Quaternion.fromAngleAxis(direction * angle, Vector.Unit_Z)
else:
direction = -1
# Rate-limit the angle change notification
# This is done to prevent the UI from being flooded with property change notifications,
# which in turn would trigger constant repaints.
new_time = time.monotonic()
if not self._angle_update_time or new_time - self._angle_update_time > 0.1:
self._angle_update_time = new_time
self._angle += direction * angle
self.propertyChanged.emit()
# Rotate around the saved centeres of all selected nodes
op = GroupedOperation()
for node, position in self._saved_node_positions:
op.addOperation(RotateOperation(node, rotation, rotate_around_point = position))
op.push()
self.setDragStart(event.x, event.y)
if event.type == Event.MouseReleaseEvent:
# Finish a rotate operation
if self.getDragPlane():
self.setDragPlane(None)
self.setLockedAxis(None)
self._angle = None
self.propertyChanged.emit()
if self._rotating:
self.operationStopped.emit(self)
return True
## Return a formatted angle of the current rotate operation
#
# \return type(String) fully formatted string showing the angle by which the mesh(es) are rotated
def getToolHint(self):
return "%d°" % round(math.degrees(self._angle)) if self._angle else None
## Get the state of the "snap rotation to N-degree increments" option
#
# \return type(Boolean)
def getRotationSnap(self):
return self._snap_rotation
## Set the state of the "snap rotation to N-degree increments" option
#
# \param snap type(Boolean)
def setRotationSnap(self, snap):
if snap != self._snap_rotation:
self._snap_rotation = snap
self.propertyChanged.emit()
## Get the number of degrees used in the "snap rotation to N-degree increments" option
#
# \return type(Number)
def getRotationSnapAngle(self):
return self._snap_angle
## Set the number of degrees used in the "snap rotation to N-degree increments" option
#
# \param snap type(Number)
def setRotationSnapAngle(self, angle):
if angle != self._snap_angle:
self._snap_angle = angle
self.propertyChanged.emit()
## Reset the orientation of the mesh(es) to their original orientation(s)
def resetRotation(self):
Selection.applyOperation(SetTransformOperation, None, Quaternion(), None)
## Initialise and start a LayFlatOperation
#
# Note: The LayFlat functionality is mostly used for 3d printing and should probably be moved into the Cura project
def layFlat(self):
self.operationStarted.emit(self)
self._progress_message = Message("Laying object flat on buildplate...", lifetime = 0, dismissable = False)
self._progress_message.setProgress(0)
self._iterations = 0
self._total_iterations = 0
for selected_object in Selection.getAllSelectedObjects():
if not selected_object.callDecoration("isGroup"):
self._total_iterations += len(selected_object.getMeshDataTransformed().getVertices()) * 2
else:
for child in selected_object.getChildren():
self._total_iterations += len(child.getMeshDataTransformed().getVertices()) * 2
self._progress_message.show()
operations = Selection.applyOperation(LayFlatOperation)
for op in operations:
op.progress.connect(self._layFlatProgress)
job = LayFlatJob(operations)
job.finished.connect(self._layFlatFinished)
job.start()
## Called while performing the LayFlatOperation so progress can be shown
#
# Note that the LayFlatOperation rate-limits these callbacks to prevent the UI from being flooded with property change notifications,
# \param iterations type(int) number of iterations performed since the last callback
def _layFlatProgress(self, iterations):
self._iterations += iterations
self._progress_message.setProgress(100 * self._iterations / self._total_iterations)
## Called when the LayFlatJob is done running all of its LayFlatOperations
#
# \param job type(LayFlatJob)
def _layFlatFinished(self, job):
if self._progress_message:
self._progress_message.hide()
self._progress_message = None
self.operationStopped.emit(self)
def requestWrite(self, node, file_name=None, filter_by_machine=False):
if self._writing:
raise OutputDeviceError.DeviceBusyError()
self._writing = True
# load settings
if Preferences.getInstance().getValue("MPSelectMini/ip"):
ip = Preferences.getInstance().getValue("MPSelectMini/ip")
if Preferences.getInstance().getValue("MPSelectMini/start_print"):
start_print = Preferences.getInstance().getValue(
"MPSelectMini/start_print")
try:
start_print
except NameError:
start_print = False
# check for valid ip
if not ip:
raise OutputDeviceError.WriteRequestFailedError(
catalog.i18nc("@info:status", "Invalid IP"))
# Get GCode
file_formats = Application.getInstance().getMeshFileHandler(
).getSupportedFileTypesWrite()
mesh_writer = Application.getInstance().getMeshFileHandler(
).getWriterByMimeType("text/x-gcode")
stream = io.StringIO()
mesh_writer.write(stream, node, MeshWriter.OutputMode.TextMode)
gcode = stream.getvalue()
try:
# Upload GCode
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect((ip, 80))
s.send(bytes('POST /upload HTTP/1.1\r\n', 'ascii'))
s.send(
bytes(
'Content-Type: multipart/form-data; boundary=------------------------2d30fc993bb09c6a\r\n',
'ascii'))
s.send(bytes('\r\n', 'ascii'))
s.send(
bytes('--------------------------2d30fc993bb09c6a\r\n',
'ascii'))
s.send(
bytes(
'Content-Disposition: form-data; name="filedata"; filename="cache.gc"\r\n',
'ascii'))
s.send(bytes('Content-Type: application/octet-stream\r\n',
'ascii'))
s.send(bytes('\r\n', 'ascii'))
s.send(bytes(gcode, 'ascii'))
s.send(bytes('\r\n', 'ascii'))
s.send(
bytes('--------------------------2d30fc993bb09c6a--\r\n',
'ascii'))
response = str(s.recv(1024), 'ascii')
s.close()
# Check upload response
if response.startswith('HTTP/1.1 200 OK'):
message = Message(
catalog.i18nc("@info:status", "Upload Success"))
message.show()
else:
Logger.log(
"e", "Invalid http response uploading gcode:\n" + response)
raise OutputDeviceError.WriteRequestFailedError(
catalog.i18nc("@info:status", "Upload Failed"))
# Send cancel print (prevents upload bug where printer will start before heating extruder)
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect((ip, 80))
s.send(bytes('GET /set?cmd={P:X} HTTP/1.1\r\n', 'ascii'))
s.send(bytes('\r\n', 'ascii'))
response = str(s.recv(1024), 'ascii')
s.close()
if start_print:
# Send start print
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect((ip, 80))
s.send(bytes('GET /set?code=M565 HTTP/1.1\r\n', 'ascii'))
s.send(bytes('\r\n', 'ascii'))
response = str(s.recv(1024), 'ascii')
s.close()
# Check start print response
if response.startswith('HTTP/1.1 200 OK'):
message = Message(
catalog.i18nc("@info:status",
"<b>Printing Started</b>"))
message.show()
else:
Logger.log(
"e", "Invalid http response starting print job:\n" +
response)
raise OutputDeviceError.WriteRequestFailedError(
catalog.i18nc("@info:status", "Start Print Failed"))
except (TimeoutError):
raise OutputDeviceError.WriteRequestFailedError(
catalog.i18nc("@info:status", "Connection Timeout"))
self._writing = False
def _installPackage(self, installation_package_data: Dict[str,
Any]) -> None:
package_info = installation_package_data["package_info"]
filename = installation_package_data["filename"]
package_id = package_info["package_id"]
Logger.log("i", "Installing package [%s] from file [%s]", package_id,
filename)
# Load the cached package file and extract all contents to a temporary directory
if not os.path.exists(filename):
Logger.log(
"w",
"Package [%s] file '%s' is missing, cannot install this package",
package_id, filename)
return
try:
with zipfile.ZipFile(filename, "r") as archive:
name_list = archive.namelist()
temp_dir = tempfile.TemporaryDirectory()
for archive_filename in name_list:
archive.extract(archive_filename, temp_dir.name)
QCoreApplication.processEvents()
except Exception:
Logger.logException("e",
"Failed to install package from file [%s]",
filename)
return
# Remove it first and then install
try:
self._purgePackage(package_id)
except Exception as e:
message = Message(catalog.i18nc(
"@error:update",
"There was an error uninstalling the package {package} before installing "
"new version:\n{error}.\nPlease try to upgrade again later.".
format(package=package_id, error=str(e))),
title=catalog.i18nc("@info:title",
"Updating error"),
message_type=Message.MessageType.ERROR)
message.show()
return
# Copy the folders there
for sub_dir_name, installation_root_dir in self._installation_dirs_dict.items(
):
src_dir_path = os.path.join(temp_dir.name, "files", sub_dir_name)
dst_dir_path = os.path.join(installation_root_dir, package_id)
if not os.path.exists(src_dir_path):
Logger.log(
"w",
"The path %s does not exist, so not installing the files",
src_dir_path)
continue
try:
self.__installPackageFiles(package_id, src_dir_path,
dst_dir_path)
except EnvironmentError as e:
Logger.log(
"e",
"Can't install package due to EnvironmentError: {err}".
format(err=str(e)))
continue
# Remove the file
try:
os.remove(filename)
except Exception:
Logger.log("w", "Tried to delete file [%s], but it failed",
filename)
# Move the info to the installed list of packages only when it succeeds
self._installed_package_dict[
package_id] = self._to_install_package_dict[package_id]
self._installed_package_dict[package_id]["package_info"][
"is_installed"] = True
class QidiPrintOutputDevice(PrinterOutputDevice):
printerStatusChanged = pyqtSignal()
def __init__(self, name, address):
super().__init__(name,
connection_type=ConnectionType.NetworkConnection)
self.setShortDescription(
catalog.i18nc("@action:button Preceded by 'Ready to'.",
"Send to " + name))
self.setDescription(catalog.i18nc("@info:tooltip", "Send to " + name))
self.setConnectionText(
catalog.i18nc("@info:status", "Connected via Network"))
self.setName(name)
self.setIconName("print")
self._properties = {}
self._address = address
self._PluginName = 'QIDI Print'
self.setPriority(3)
self._application = CuraApplication.getInstance()
self._preferences = Application.getInstance().getPreferences()
self._preferences.addPreference("QidiPrint/autoprint", False)
self._autoPrint = self._preferences.getValue("QidiPrint/autoprint")
self._update_timer.setInterval(1000)
self._output_controller = GenericOutputController(self)
self._output_controller.setCanUpdateFirmware(False)
# Set when print is started in order to check running time.
self._print_start_time = None # type: Optional[float]
self._print_estimated_time = None # type: Optional[int]
self._accepts_commands = True # from PrinterOutputDevice
self._monitor_view_qml_path = os.path.join(
os.path.dirname(os.path.abspath(__file__)), 'qml',
'MonitorItem.qml')
self._localTempGcode = Resources.getStoragePath(
Resources.Resources, 'data.gcode')
self._qidi = QidiConnectionManager(self._address, self._localTempGcode,
False)
self._qidi.progressChanged.connect(self._update_progress)
self._qidi.conectionStateChanged.connect(self._conectionStateChanged)
self._qidi.updateDone.connect(self._update_status)
self._stage = OutputStage.ready
Logger.log("d", self._name + " | New QidiPrintOutputDevice created")
Logger.log("d", self._name + " | IP: " + self._address)
if hasattr(self, '_message'):
self._message.hide()
self._message = None
def _update_progress(self, progress):
if self._message:
self._message.setProgress(int(progress))
self.writeProgress.emit(self, progress)
def _conectionStateChanged(self, new_state):
if new_state == True:
container_stack = CuraApplication.getInstance(
).getGlobalContainerStack()
num_extruders = container_stack.getProperty(
"machine_extruder_count", "value")
# Ensure that a printer is created.
printer = PrinterOutputModel(
output_controller=self._output_controller,
number_of_extruders=num_extruders,
firmware_version=self.firmwareVersion)
printer.updateName(container_stack.getName())
self._printers = [printer]
self.setConnectionState(ConnectionState.Connected)
self.printersChanged.emit()
else:
#self._printers = None
self.setConnectionState(ConnectionState.Connecting)
if self.printers[0]:
self.printers[0].updateState("offline")
def _update(self):
if self._qidi._connected == False:
Thread(target=self._qidi.connect, daemon=True,
name="Qidi Connect").start()
self.printerStatusChanged.emit()
return
if self.connectionState != ConnectionState.Connected:
self.setConnectionState(ConnectionState.Connected)
Thread(target=self._qidi.update, daemon=True,
name="Qidi Update").start()
def close(self):
super().close()
if self._message:
self._message.hide()
self.printerStatusChanged.emit()
def pausePrint(self):
self.sendCommand("M25")
def resumePrint(self):
self.sendCommand("M24")
def cancelPrint(self):
self._cancelPrint = True
self.sendCommand("M33")
def _update_status(self):
printer = self.printers[0]
status = self._qidi._status
if "bed_nowtemp" in status:
printer.updateBedTemperature(int(status["bed_nowtemp"]))
if "bed_targettemp" in status:
printer.updateTargetBedTemperature(int(status["bed_targettemp"]))
extruder = printer.extruders[0]
if "e1_nowtemp" in status:
extruder.updateHotendTemperature(int(status["e1_nowtemp"]))
if "e1_targettemp" in status:
extruder.updateTargetHotendTemperature(int(
status["e1_targettemp"]))
if len(printer.extruders) > 1:
extruder = printer.extruders[1]
if "e2_nowtemp" in status:
extruder.updateHotendTemperature(int(status["e2_nowtemp"]))
if "e2_targettemp" in status:
extruder.updateTargetHotendTemperature(
int(status["e2_targettemp"]))
if self._qidi._isPrinting:
if printer.activePrintJob is None:
print_job = PrintJobOutputModel(
output_controller=self._output_controller)
printer.updateActivePrintJob(print_job)
else:
print_job = printer.activePrintJob
elapsed = self._qidi._printing_time
print_job.updateTimeElapsed(int(self._qidi._printing_time))
print_job.updateName(self._qidi._printing_filename)
if self._qidi._print_total > 0:
progress = float(self._qidi._print_now) / float(
self._qidi._print_total)
if progress > 0:
print_job.updateTimeTotal(
int(self._qidi._printing_time / progress))
if self._qidi._isIdle:
if self._cancelPrint:
job_state = 'aborting'
else:
job_state = 'paused'
else:
job_state = 'printing'
print_job.updateState(job_state)
else:
if printer.activePrintJob:
printer.updateActivePrintJob(None)
job_state = 'idle'
self._cancelPrint = False
print_job = None
printer.updateState(job_state)
self.printerStatusChanged.emit()
def requestWrite(self, node, fileName=None, *args, **kwargs):
if self._stage != OutputStage.ready or self._qidi._isPrinting:
Message(catalog.i18nc('@info:status',
'Cannot Print, printer is busy'),
title=catalog.i18nc("@info:title", "BUSY")).show()
raise OutputDeviceError.DeviceBusyError()
# Make sure post-processing plugin are run on the gcode
self.writeStarted.emit(self)
if fileName:
fileName = os.path.splitext(fileName)[0]
else:
fileName = "%s" % Application.getInstance().getPrintInformation(
).jobName
self.targetSendFileName = fileName
path = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'qml',
'UploadFilename.qml')
self._dialog = CuraApplication.getInstance().createQmlComponent(
path, {"manager": self})
self._dialog.textChanged.connect(self.onFilenameChanged)
self._dialog.accepted.connect(self.onFilenameAccepted)
self._dialog.show()
self._dialog.findChild(QObject, "autoPrint").setProperty(
'checked', self._autoPrint)
self._dialog.findChild(QObject, "nameField").setProperty(
'text', self.targetSendFileName)
self._dialog.findChild(QObject, "nameField").select(
0, len(self.targetSendFileName))
self._dialog.findChild(QObject, "nameField").setProperty('focus', True)
def onFilenameChanged(self):
fileName = self._dialog.findChild(
QObject, "nameField").property('text').strip()
forbidden_characters = "\"'´`<>()[]?*\,;:&%#$!"
for forbidden_character in forbidden_characters:
if forbidden_character in fileName:
self._dialog.setProperty('validName', False)
self._dialog.setProperty(
'validationError',
'Filename cannot contain {}'.format(forbidden_characters))
return
if fileName == '.' or fileName == '..':
self._dialog.setProperty('validName', False)
self._dialog.setProperty('validationError',
'Filename cannot be "." or ".."')
return
self._dialog.setProperty('validName', len(fileName) > 0)
self._dialog.setProperty('validationError', 'Filename too short')
def startSendingThread(self):
Logger.log('i', '=============QIDI SEND BEGIN============')
self._errorMsg = ''
self._qidi._abort = False
self._stage = OutputStage.writing
res = self._qidi.sendfile(self.targetSendFileName)
if self._message:
self._message.hide()
self._message = None # type:Optional[Message]
self.writeFinished.emit(self)
self._stage = OutputStage.ready
if res == QidiResult.SUCCES:
if self._autoPrint is False:
self._message = Message(
catalog.i18nc("@info:status", "Do you wish to print now?"),
title=catalog.i18nc("@label", "SUCCESS"))
self._message.addAction("PRINT",
catalog.i18nc("@action:button", "YES"),
None, "")
self._message.addAction("NO",
catalog.i18nc("@action:button", "NO"),
None, "")
self._message.actionTriggered.connect(self._onActionTriggered)
self._message.setProgress(None)
self._message.show()
else:
self._onActionTriggered(self._message, "PRINT")
self.writeSuccess.emit(self)
self._stage = OutputStage.ready
return
self.writeError.emit(self)
if res == QidiResult.ABORTED:
Message(catalog.i18nc('@info:status', 'Upload Canceled'),
title=catalog.i18nc("@info:title", "ABORTED")).show()
return
result_msg = "Unknown Error!!!"
if self._result == QidiResult.TIMEOUT:
result_msg = 'Connection timeout'
elif self._result == QidiResult.WRITE_ERROR:
self.writeError.emit(self)
result_msg = self._errorMsg
if 'create file' in self._errorMsg:
m = Message(catalog.i18nc(
'@info:status',
' Write error, please check that the SD card /U disk has been inserted'
),
lifetime=0)
m.show()
elif self._result == QidiResult.FILE_EMPTY:
self.writeError.emit(self)
result_msg = 'File empty'
elif self._result == QidiResult.FILE_NOT_OPEN:
self.writeError.emit(self)
result_msg = "Cannot Open File"
self._message = Message(catalog.i18nc("@info:status", result_msg),
title=catalog.i18nc("@label", "FAILURE"))
self._message.show()
Logger.log('e', result_msg)
def updateChamberFan(self):
global_container_stack = self._application.getGlobalContainerStack()
if not global_container_stack:
return
cooling_chamber = global_container_stack.getProperty(
"cooling_chamber", "value")
if cooling_chamber == False:
return
cooling_chamber_at_layer = global_container_stack.getProperty(
"cooling_chamber_at_layer", "value")
scene = self._application.getController().getScene()
gcode_dict = getattr(scene, "gcode_dict", {})
if not gcode_dict:
return
data = gcode_dict[0]
for layer in data:
lines = layer.split("\n")
for line in lines:
if ";LAYER:" in line:
index = data.index(layer)
current_layer = int(line.split(":")[1])
if current_layer == cooling_chamber_at_layer:
layer = "M106 T-2 ;Enable chamber loop\n" + layer
data[index] = layer
data[
-1] = "M107 T-2 ;Disable chamber loop\n" + data[-1]
setattr(scene, "gcode_dict", gcode_dict)
return
def onFilenameAccepted(self):
self.targetSendFileName = self._dialog.findChild(
QObject, "nameField").property('text').strip()
autoprint = self._dialog.findChild(QObject,
"autoPrint").property('checked')
if autoprint != self._autoPrint:
self._autoPrint = autoprint
self._preferences.setValue("QidiPrint/autoprint", self._autoPrint)
Logger.log(
"d", self._name + " | Filename set to: " + self.targetSendFileName)
self._dialog.deleteLater()
self.updateChamberFan()
success = False
with open(self._localTempGcode, 'w+', buffering=1) as fp:
if fp:
writer = ChituCodeWriter()
success = writer.write(fp, None,
MeshWriter.OutputMode.TextMode)
if success:
self._message = Message(
catalog.i18nc("@info:status",
"Uploading to {}").format(self._name),
title=catalog.i18nc("@label", "Print jobs"),
progress=-1,
lifetime=0,
dismissable=False,
use_inactivity_timer=False)
self._message.addAction("ABORT",
catalog.i18nc("@action:button", "Cancel"),
None, "")
self._message.actionTriggered.connect(self._onActionTriggered)
self._message.show()
Thread(target=self.startSendingThread,
daemon=True,
name=self._name + " File Send").start()
else:
self._message = Message(catalog.i18nc("@info:status",
"Cannot create gcode file!"),
title=catalog.i18nc("@label", "FAILURE"))
self._message.show()
def _onActionTriggered(self, message, action):
if self._message:
self._message.hide()
self._message = None # type:Optional[Message]
if action == "PRINT":
res = self._qidi.print()
if res is not QidiResult.SUCCES:
Message(catalog.i18nc('@info:status', 'Cannot Print'),
title=catalog.i18nc("@info:title", "FAILURE")).show()
else:
CuraApplication.getInstance().getController().setActiveStage(
"MonitorStage")
elif action == "ABORT":
Logger.log("i", "Stopping upload because the user pressed cancel.")
self._qidi._abort = True
def getProperties(self):
return self._properties
@pyqtSlot(str, result=str)
def getProperty(self, key):
key = key.encode("utf-8")
if key in self._properties:
return self._properties.get(key, b"").decode("utf-8")
else:
return ""
@pyqtSlot(str)
def sendCommand(self, cmd):
if isinstance(cmd, str):
self._qidi.sendCommand(cmd)
elif isinstance(cmd, list):
for eachCommand in cmd:
self._qidi.sendCommand(eachCommand)
@pyqtProperty(str, notify=printerStatusChanged)
def status(self):
return str(self._connection_state).split('.')[1]
@pyqtProperty(str, constant=True)
def name(self):
return self._name
@pyqtProperty(str, notify=printerStatusChanged)
def firmwareVersion(self):
return self.getFirmwareName()
def getFirmwareName(self):
return self._qidi._firmware_ver
@pyqtProperty(str, notify=printerStatusChanged)
def xPosition(self) -> bool:
if "x_pos" in self._qidi._status:
return self._qidi._status["x_pos"][:-1]
else:
return ""
@pyqtProperty(str, notify=printerStatusChanged)
def yPosition(self) -> bool:
if "y_pos" in self._qidi._status:
return self._qidi._status["y_pos"][:-1]
else:
return ""
@pyqtProperty(str, notify=printerStatusChanged)
def zPosition(self) -> bool:
if "z_pos" in self._qidi._status:
return self._qidi._status["z_pos"][:-1]
else:
return ""
@pyqtProperty(str, notify=printerStatusChanged)
def coolingFan(self) -> bool:
if "fan" in self._qidi._status:
fan = float(self._qidi._status["fan"])
return "{}".format(int(fan / 2.55))
else:
return ""
def __init__(self):
super().__init__()
self._max_layers = 0
self._current_layer_num = 0
self._minimum_layer_num = 0
self._current_layer_mesh = None
self._current_layer_jumps = None
self._top_layers_job = None
self._activity = False
self._old_max_layers = 0
self._max_paths = 0
self._current_path_num = 0
self._minimum_path_num = 0
self.currentLayerNumChanged.connect(self._onCurrentLayerNumChanged)
self._busy = False
self._simulation_running = False
self._ghost_shader = None
self._layer_pass = None
self._composite_pass = None
self._old_layer_bindings = None
self._simulationview_composite_shader = None
self._old_composite_shader = None
self._global_container_stack = None
self._proxy = SimulationViewProxy()
self._controller.getScene().getRoot().childrenChanged.connect(
self._onSceneChanged)
self._resetSettings()
self._legend_items = None
self._show_travel_moves = False
self._nozzle_node = None
Preferences.getInstance().addPreference("view/top_layer_count", 5)
Preferences.getInstance().addPreference("view/only_show_top_layers",
False)
Preferences.getInstance().addPreference(
"view/force_layer_view_compatibility_mode", False)
Preferences.getInstance().addPreference("layerview/layer_view_type", 0)
Preferences.getInstance().addPreference("layerview/extruder_opacities",
"")
Preferences.getInstance().addPreference("layerview/show_travel_moves",
False)
Preferences.getInstance().addPreference("layerview/show_helpers", True)
Preferences.getInstance().addPreference("layerview/show_skin", True)
Preferences.getInstance().addPreference("layerview/show_infill", True)
Preferences.getInstance().preferenceChanged.connect(
self._onPreferencesChanged)
self._updateWithPreferences()
self._solid_layers = int(
Preferences.getInstance().getValue("view/top_layer_count"))
self._only_show_top_layers = bool(
Preferences.getInstance().getValue("view/only_show_top_layers"))
self._compatibility_mode = True # for safety
self._wireprint_warning_message = Message(catalog.i18nc(
"@info:status",
"Cura does not accurately display layers when Wire Printing is enabled"
),
title=catalog.i18nc(
"@info:title",
"Simulation View"))
class Scene:
"""Container object for the scene graph
The main purpose of this class is to provide the root SceneNode.
"""
def __init__(self) -> None:
super().__init__()
from UM.Scene.SceneNode import SceneNode
self._root = SceneNode(name="Root")
self._root.setCalculateBoundingBox(False)
self._connectSignalsRoot()
self._active_camera = None # type: Optional[Camera]
self._ignore_scene_changes = False
self._lock = threading.Lock()
# Watching file for changes.
self._file_watcher = QFileSystemWatcher()
self._file_watcher.fileChanged.connect(self._onFileChanged)
self._reload_message = None # type: Optional[Message]
self._callbacks = set(
) # type: Set[Callable] # Need to keep these in memory. This is a memory leak every time you refresh, but a tiny one.
def _connectSignalsRoot(self) -> None:
self._root.transformationChanged.connect(self.sceneChanged)
self._root.childrenChanged.connect(self.sceneChanged)
self._root.meshDataChanged.connect(self.sceneChanged)
def _disconnectSignalsRoot(self) -> None:
self._root.transformationChanged.disconnect(self.sceneChanged)
self._root.childrenChanged.disconnect(self.sceneChanged)
self._root.meshDataChanged.disconnect(self.sceneChanged)
def setIgnoreSceneChanges(self, ignore_scene_changes: bool) -> None:
if self._ignore_scene_changes != ignore_scene_changes:
self._ignore_scene_changes = ignore_scene_changes
if self._ignore_scene_changes:
self._disconnectSignalsRoot()
else:
self._connectSignalsRoot()
@deprecated("Scene lock is no longer used", "4.5")
def getSceneLock(self) -> threading.Lock:
return self._lock
def getRoot(self) -> "SceneNode":
"""Get the root node of the scene."""
return self._root
def setRoot(self, node: "SceneNode") -> None:
"""Change the root node of the scene"""
if self._root != node:
if not self._ignore_scene_changes:
self._disconnectSignalsRoot()
self._root = node
if not self._ignore_scene_changes:
self._connectSignalsRoot()
self.rootChanged.emit()
rootChanged = Signal()
def getActiveCamera(self) -> Optional[Camera]:
"""Get the camera that should be used for rendering."""
return self._active_camera
def getAllCameras(self) -> List[Camera]:
cameras = []
for node in BreadthFirstIterator(self._root):
if isinstance(node, Camera):
cameras.append(node)
return cameras
def setActiveCamera(self, name: str) -> None:
"""Set the camera that should be used for rendering.
:param name: The name of the camera to use.
"""
camera = self.findCamera(name)
if camera and camera != self._active_camera:
if self._active_camera:
self._active_camera.perspectiveChanged.disconnect(
self.sceneChanged)
self._active_camera = camera
self._active_camera.perspectiveChanged.connect(self.sceneChanged)
else:
Logger.log(
"w", "Couldn't find camera with name [%s] to activate!" % name)
sceneChanged = Signal()
"""Signal that is emitted whenever something in the scene changes.
:param object: The object that triggered the change.
"""
def findObject(self, object_id: int) -> Optional["SceneNode"]:
"""Find an object by id.
:param object_id: The id of the object to search for, as returned by the python id() method.
:return: The object if found, or None if not.
"""
for node in BreadthFirstIterator(self._root):
if id(node) == object_id:
return node
return None
def findCamera(self, name: str) -> Optional[Camera]:
for node in BreadthFirstIterator(self._root):
if isinstance(node, Camera) and node.getName() == name:
return node
return None
def addWatchedFile(self, file_path: str) -> None:
"""Add a file to be watched for changes.
:param file_path: The path to the file that must be watched.
"""
# The QT 5.10.0 issue, only on Windows. Cura crashes after loading a stl file from USB/sd-card/Cloud-based drive
if not Platform.isWindows():
self._file_watcher.addPath(file_path)
def removeWatchedFile(self, file_path: str) -> None:
"""Remove a file so that it will no longer be watched for changes.
:param file_path: The path to the file that must no longer be watched.
"""
# The QT 5.10.0 issue, only on Windows. Cura crashes after loading a stl file from USB/sd-card/Cloud-based drive
if not Platform.isWindows():
self._file_watcher.removePath(file_path)
def _onFileChanged(self, file_path: str) -> None:
"""Triggered whenever a file is changed that we currently have loaded."""
try:
if os.path.getsize(file_path) == 0: # File is empty.
return
except EnvironmentError: # Or it doesn't exist any more, or we have no access any more.
return
# Multiple nodes may be loaded from the same file at different stages. Reload them all.
from UM.Scene.Iterator.DepthFirstIterator import DepthFirstIterator # To find which nodes to reload when files have changed.
modified_nodes = [
node for node in DepthFirstIterator(self.getRoot())
if node.getMeshData()
and node.getMeshData().getFileName() == file_path
] # type: ignore
if modified_nodes:
# Hide the message if it was already visible
if self._reload_message is not None:
self._reload_message.hide()
self._reload_message = Message(i18n_catalog.i18nc(
"@info", "Would you like to reload {filename}?").format(
filename=os.path.basename(file_path)),
title=i18n_catalog.i18nc(
"@info:title",
"File has been modified"))
self._reload_message.addAction(
"reload",
i18n_catalog.i18nc("@action:button", "Reload"),
icon="",
description=i18n_catalog.i18nc(
"@action:description",
"This will trigger the modified files to reload from disk."
))
self._reload_callback = functools.partial(self._reloadNodes,
modified_nodes)
self._reload_message.actionTriggered.connect(self._reload_callback)
self._reload_message.show()
def _reloadNodes(self, nodes: List["SceneNode"], message: str,
action: str) -> None:
"""Reloads a list of nodes after the user pressed the "Reload" button.
:param nodes: The list of nodes that needs to be reloaded.
:param message: The message that triggered the action to reload them.
:param action: The button that triggered the action to reload them.
"""
if action != "reload":
return
if self._reload_message is not None:
self._reload_message.hide()
for node in nodes:
meshdata = node.getMeshData()
if meshdata:
filename = meshdata.getFileName()
if not filename or not os.path.isfile(
filename): # File doesn't exist any more.
continue
job = ReadMeshJob(filename)
reload_finished_callback = functools.partial(
self._reloadJobFinished, node)
self._callbacks.add(
reload_finished_callback
) #Store it so it won't get garbage collected. This is a memory leak, but just one partial per reload so it's not much.
job.finished.connect(reload_finished_callback)
job.start()
def _reloadJobFinished(self, replaced_node: SceneNode,
job: ReadMeshJob) -> None:
"""Triggered when reloading has finished.
This then puts the resulting mesh data in the node.
"""
for node in job.getResult():
mesh_data = node.getMeshData()
if mesh_data:
replaced_node.setMeshData(mesh_data)
else:
Logger.log("w", "Could not find a mesh in reloaded node.")
def run(self):
status_message = Message(i18n_catalog.i18nc("@info:status", "Finding new location for objects"),
lifetime = 0,
dismissable=False,
progress = 0,
title = i18n_catalog.i18nc("@info:title", "Finding Location"))
status_message.show()
# Collect nodes to be placed
nodes_arr = [] # fill with (size, node, offset_shape_arr, hull_shape_arr)
for node in self._nodes:
offset_shape_arr, hull_shape_arr = ShapeArray.fromNode(node, min_offset = self._min_offset)
nodes_arr.append((offset_shape_arr.arr.shape[0] * offset_shape_arr.arr.shape[1], node, offset_shape_arr, hull_shape_arr))
# Sort the nodes with the biggest area first.
nodes_arr.sort(key=lambda item: item[0])
nodes_arr.reverse()
global_container_stack = Application.getInstance().getGlobalContainerStack()
machine_width = global_container_stack.getProperty("machine_width", "value")
machine_depth = global_container_stack.getProperty("machine_depth", "value")
x, y = machine_width, machine_depth
arrange_array = ArrangeArray(x = x, y = y, fixed_nodes = [])
arrange_array.add()
# Place nodes one at a time
start_priority = 0
grouped_operation = GroupedOperation()
found_solution_for_all = True
left_over_nodes = [] # nodes that do not fit on an empty build plate
for idx, (size, node, offset_shape_arr, hull_shape_arr) in enumerate(nodes_arr):
# For performance reasons, we assume that when a location does not fit,
# it will also not fit for the next object (while what can be untrue).
try_placement = True
current_build_plate_number = 0 # always start with the first one
while try_placement:
# make sure that current_build_plate_number is not going crazy or you'll have a lot of arrange objects
while current_build_plate_number >= arrange_array.count():
arrange_array.add()
arranger = arrange_array.get(current_build_plate_number)
best_spot = arranger.bestSpot(hull_shape_arr, start_prio=start_priority)
x, y = best_spot.x, best_spot.y
node.removeDecorator(ZOffsetDecorator)
if node.getBoundingBox():
center_y = node.getWorldPosition().y - node.getBoundingBox().bottom
else:
center_y = 0
if x is not None: # We could find a place
arranger.place(x, y, offset_shape_arr) # place the object in the arranger
node.callDecoration("setBuildPlateNumber", current_build_plate_number)
grouped_operation.addOperation(TranslateOperation(node, Vector(x, center_y, y), set_position = True))
try_placement = False
else:
# very naive, because we skip to the next build plate if one model doesn't fit.
if arranger.isEmpty:
# apparently we can never place this object
left_over_nodes.append(node)
try_placement = False
else:
# try next build plate
current_build_plate_number += 1
try_placement = True
status_message.setProgress((idx + 1) / len(nodes_arr) * 100)
Job.yieldThread()
for node in left_over_nodes:
node.callDecoration("setBuildPlateNumber", -1) # these are not on any build plate
found_solution_for_all = False
grouped_operation.push()
status_message.hide()
if not found_solution_for_all:
no_full_solution_message = Message(i18n_catalog.i18nc("@info:status", "Unable to find a location within the build volume for all objects"),
title = i18n_catalog.i18nc("@info:title", "Can't Find Location"))
no_full_solution_message.show()
class BuildVolume(SceneNode):
raftThicknessChanged = Signal()
def __init__(self, parent = None):
super().__init__(parent)
self._volume_outline_color = None
self._x_axis_color = None
self._y_axis_color = None
self._z_axis_color = None
self._disallowed_area_color = None
self._error_area_color = None
self._width = 0
self._height = 0
self._depth = 0
self._shape = ""
self._shader = None
self._origin_mesh = None
self._origin_line_length = 20
self._origin_line_width = 0.5
self._grid_mesh = None
self._grid_shader = None
self._disallowed_areas = []
self._disallowed_area_mesh = None
self._error_areas = []
self._error_mesh = None
self.setCalculateBoundingBox(False)
self._volume_aabb = None
self._raft_thickness = 0.0
self._extra_z_clearance = 0.0
self._adhesion_type = None
self._platform = Platform(self)
self._global_container_stack = None
Application.getInstance().globalContainerStackChanged.connect(self._onStackChanged)
self._onStackChanged()
self._engine_ready = False
Application.getInstance().engineCreatedSignal.connect(self._onEngineCreated)
self._has_errors = False
Application.getInstance().getController().getScene().sceneChanged.connect(self._onSceneChanged)
#Objects loaded at the moment. We are connected to the property changed events of these objects.
self._scene_objects = set()
self._change_timer = QTimer()
self._change_timer.setInterval(100)
self._change_timer.setSingleShot(True)
self._change_timer.timeout.connect(self._onChangeTimerFinished)
self._build_volume_message = Message(catalog.i18nc("@info:status",
"The build volume height has been reduced due to the value of the"
" \"Print Sequence\" setting to prevent the gantry from colliding"
" with printed models."))
# Must be after setting _build_volume_message, apparently that is used in getMachineManager.
# activeQualityChanged is always emitted after setActiveVariant, setActiveMaterial and setActiveQuality.
# Therefore this works.
Application.getInstance().getMachineManager().activeQualityChanged.connect(self._onStackChanged)
# This should also ways work, and it is semantically more correct,
# but it does not update the disallowed areas after material change
Application.getInstance().getMachineManager().activeStackChanged.connect(self._onStackChanged)
def _onSceneChanged(self, source):
if self._global_container_stack:
self._change_timer.start()
def _onChangeTimerFinished(self):
root = Application.getInstance().getController().getScene().getRoot()
new_scene_objects = set(node for node in BreadthFirstIterator(root) if node.getMeshData() and type(node) is SceneNode)
if new_scene_objects != self._scene_objects:
for node in new_scene_objects - self._scene_objects: #Nodes that were added to the scene.
node.decoratorsChanged.connect(self._onNodeDecoratorChanged)
for node in self._scene_objects - new_scene_objects: #Nodes that were removed from the scene.
per_mesh_stack = node.callDecoration("getStack")
if per_mesh_stack:
per_mesh_stack.propertyChanged.disconnect(self._onSettingPropertyChanged)
active_extruder_changed = node.callDecoration("getActiveExtruderChangedSignal")
if active_extruder_changed is not None:
node.callDecoration("getActiveExtruderChangedSignal").disconnect(self._updateDisallowedAreasAndRebuild)
node.decoratorsChanged.disconnect(self._onNodeDecoratorChanged)
self._scene_objects = new_scene_objects
self._onSettingPropertyChanged("print_sequence", "value") # Create fake event, so right settings are triggered.
## Updates the listeners that listen for changes in per-mesh stacks.
#
# \param node The node for which the decorators changed.
def _onNodeDecoratorChanged(self, node):
per_mesh_stack = node.callDecoration("getStack")
if per_mesh_stack:
per_mesh_stack.propertyChanged.connect(self._onSettingPropertyChanged)
active_extruder_changed = node.callDecoration("getActiveExtruderChangedSignal")
if active_extruder_changed is not None:
active_extruder_changed.connect(self._updateDisallowedAreasAndRebuild)
self._updateDisallowedAreasAndRebuild()
def setWidth(self, width):
if width: self._width = width
def setHeight(self, height):
if height: self._height = height
def setDepth(self, depth):
if depth: self._depth = depth
def setShape(self, shape):
if shape: self._shape = shape
def getDisallowedAreas(self):
return self._disallowed_areas
def setDisallowedAreas(self, areas):
self._disallowed_areas = areas
def render(self, renderer):
if not self.getMeshData():
return True
if not self._shader:
self._shader = OpenGL.getInstance().createShaderProgram(Resources.getPath(Resources.Shaders, "default.shader"))
self._grid_shader = OpenGL.getInstance().createShaderProgram(Resources.getPath(Resources.Shaders, "grid.shader"))
theme = Application.getInstance().getTheme()
self._grid_shader.setUniformValue("u_gridColor0", Color(*theme.getColor("buildplate").getRgb()))
self._grid_shader.setUniformValue("u_gridColor1", Color(*theme.getColor("buildplate_alt").getRgb()))
renderer.queueNode(self, mode = RenderBatch.RenderMode.Lines)
renderer.queueNode(self, mesh = self._origin_mesh)
renderer.queueNode(self, mesh = self._grid_mesh, shader = self._grid_shader, backface_cull = True)
if self._disallowed_area_mesh:
renderer.queueNode(self, mesh = self._disallowed_area_mesh, shader = self._shader, transparent = True, backface_cull = True, sort = -9)
if self._error_mesh:
renderer.queueNode(self, mesh=self._error_mesh, shader=self._shader, transparent=True,
backface_cull=True, sort=-8)
return True
## Recalculates the build volume & disallowed areas.
def rebuild(self):
if not self._width or not self._height or not self._depth:
return
if not Application.getInstance()._engine:
return
if not self._volume_outline_color:
theme = Application.getInstance().getTheme()
self._volume_outline_color = Color(*theme.getColor("volume_outline").getRgb())
self._x_axis_color = Color(*theme.getColor("x_axis").getRgb())
self._y_axis_color = Color(*theme.getColor("y_axis").getRgb())
self._z_axis_color = Color(*theme.getColor("z_axis").getRgb())
self._disallowed_area_color = Color(*theme.getColor("disallowed_area").getRgb())
self._error_area_color = Color(*theme.getColor("error_area").getRgb())
min_w = -self._width / 2
max_w = self._width / 2
min_h = 0.0
max_h = self._height
min_d = -self._depth / 2
max_d = self._depth / 2
z_fight_distance = 0.2 # Distance between buildplate and disallowed area meshes to prevent z-fighting
if self._shape != "elliptic":
# Outline 'cube' of the build volume
mb = MeshBuilder()
mb.addLine(Vector(min_w, min_h, min_d), Vector(max_w, min_h, min_d), color = self._volume_outline_color)
mb.addLine(Vector(min_w, min_h, min_d), Vector(min_w, max_h, min_d), color = self._volume_outline_color)
mb.addLine(Vector(min_w, max_h, min_d), Vector(max_w, max_h, min_d), color = self._volume_outline_color)
mb.addLine(Vector(max_w, min_h, min_d), Vector(max_w, max_h, min_d), color = self._volume_outline_color)
mb.addLine(Vector(min_w, min_h, max_d), Vector(max_w, min_h, max_d), color = self._volume_outline_color)
mb.addLine(Vector(min_w, min_h, max_d), Vector(min_w, max_h, max_d), color = self._volume_outline_color)
mb.addLine(Vector(min_w, max_h, max_d), Vector(max_w, max_h, max_d), color = self._volume_outline_color)
mb.addLine(Vector(max_w, min_h, max_d), Vector(max_w, max_h, max_d), color = self._volume_outline_color)
mb.addLine(Vector(min_w, min_h, min_d), Vector(min_w, min_h, max_d), color = self._volume_outline_color)
mb.addLine(Vector(max_w, min_h, min_d), Vector(max_w, min_h, max_d), color = self._volume_outline_color)
mb.addLine(Vector(min_w, max_h, min_d), Vector(min_w, max_h, max_d), color = self._volume_outline_color)
mb.addLine(Vector(max_w, max_h, min_d), Vector(max_w, max_h, max_d), color = self._volume_outline_color)
self.setMeshData(mb.build())
# Build plate grid mesh
mb = MeshBuilder()
mb.addQuad(
Vector(min_w, min_h - z_fight_distance, min_d),
Vector(max_w, min_h - z_fight_distance, min_d),
Vector(max_w, min_h - z_fight_distance, max_d),
Vector(min_w, min_h - z_fight_distance, max_d)
)
for n in range(0, 6):
v = mb.getVertex(n)
mb.setVertexUVCoordinates(n, v[0], v[2])
self._grid_mesh = mb.build()
else:
# Bottom and top 'ellipse' of the build volume
aspect = 1.0
scale_matrix = Matrix()
if self._width != 0:
# Scale circular meshes by aspect ratio if width != height
aspect = self._depth / self._width
scale_matrix.compose(scale = Vector(1, 1, aspect))
mb = MeshBuilder()
mb.addArc(max_w, Vector.Unit_Y, center = (0, min_h - z_fight_distance, 0), color = self._volume_outline_color)
mb.addArc(max_w, Vector.Unit_Y, center = (0, max_h, 0), color = self._volume_outline_color)
self.setMeshData(mb.build().getTransformed(scale_matrix))
# Build plate grid mesh
mb = MeshBuilder()
mb.addVertex(0, min_h - z_fight_distance, 0)
mb.addArc(max_w, Vector.Unit_Y, center = Vector(0, min_h - z_fight_distance, 0))
sections = mb.getVertexCount() - 1 # Center point is not an arc section
indices = []
for n in range(0, sections - 1):
indices.append([0, n + 2, n + 1])
mb.addIndices(numpy.asarray(indices, dtype = numpy.int32))
mb.calculateNormals()
for n in range(0, mb.getVertexCount()):
v = mb.getVertex(n)
mb.setVertexUVCoordinates(n, v[0], v[2] * aspect)
self._grid_mesh = mb.build().getTransformed(scale_matrix)
# Indication of the machine origin
if self._global_container_stack.getProperty("machine_center_is_zero", "value"):
origin = (Vector(min_w, min_h, min_d) + Vector(max_w, min_h, max_d)) / 2
else:
origin = Vector(min_w, min_h, max_d)
mb = MeshBuilder()
mb.addCube(
width = self._origin_line_length,
height = self._origin_line_width,
depth = self._origin_line_width,
center = origin + Vector(self._origin_line_length / 2, 0, 0),
color = self._x_axis_color
)
mb.addCube(
width = self._origin_line_width,
height = self._origin_line_length,
depth = self._origin_line_width,
center = origin + Vector(0, self._origin_line_length / 2, 0),
color = self._y_axis_color
)
mb.addCube(
width = self._origin_line_width,
height = self._origin_line_width,
depth = self._origin_line_length,
center = origin - Vector(0, 0, self._origin_line_length / 2),
color = self._z_axis_color
)
self._origin_mesh = mb.build()
disallowed_area_height = 0.1
disallowed_area_size = 0
if self._disallowed_areas:
mb = MeshBuilder()
color = self._disallowed_area_color
for polygon in self._disallowed_areas:
points = polygon.getPoints()
if len(points) == 0:
continue
first = Vector(self._clamp(points[0][0], min_w, max_w), disallowed_area_height, self._clamp(points[0][1], min_d, max_d))
previous_point = Vector(self._clamp(points[0][0], min_w, max_w), disallowed_area_height, self._clamp(points[0][1], min_d, max_d))
for point in points:
new_point = Vector(self._clamp(point[0], min_w, max_w), disallowed_area_height, self._clamp(point[1], min_d, max_d))
mb.addFace(first, previous_point, new_point, color = color)
previous_point = new_point
# Find the largest disallowed area to exclude it from the maximum scale bounds.
# This is a very nasty hack. This pretty much only works for UM machines.
# This disallowed area_size needs a -lot- of rework at some point in the future: TODO
if numpy.min(points[:, 1]) >= 0: # This filters out all areas that have points to the left of the centre. This is done to filter the skirt area.
size = abs(numpy.max(points[:, 1]) - numpy.min(points[:, 1]))
else:
size = 0
disallowed_area_size = max(size, disallowed_area_size)
self._disallowed_area_mesh = mb.build()
else:
self._disallowed_area_mesh = None
if self._error_areas:
mb = MeshBuilder()
for error_area in self._error_areas:
color = self._error_area_color
points = error_area.getPoints()
first = Vector(self._clamp(points[0][0], min_w, max_w), disallowed_area_height,
self._clamp(points[0][1], min_d, max_d))
previous_point = Vector(self._clamp(points[0][0], min_w, max_w), disallowed_area_height,
self._clamp(points[0][1], min_d, max_d))
for point in points:
new_point = Vector(self._clamp(point[0], min_w, max_w), disallowed_area_height,
self._clamp(point[1], min_d, max_d))
mb.addFace(first, previous_point, new_point, color=color)
previous_point = new_point
self._error_mesh = mb.build()
else:
self._error_mesh = None
self._volume_aabb = AxisAlignedBox(
minimum = Vector(min_w, min_h - 1.0, min_d),
maximum = Vector(max_w, max_h - self._raft_thickness - self._extra_z_clearance, max_d))
bed_adhesion_size = self._getEdgeDisallowedSize()
# As this works better for UM machines, we only add the disallowed_area_size for the z direction.
# This is probably wrong in all other cases. TODO!
# The +1 and -1 is added as there is always a bit of extra room required to work properly.
scale_to_max_bounds = AxisAlignedBox(
minimum = Vector(min_w + bed_adhesion_size + 1, min_h, min_d + disallowed_area_size - bed_adhesion_size + 1),
maximum = Vector(max_w - bed_adhesion_size - 1, max_h - self._raft_thickness - self._extra_z_clearance, max_d - disallowed_area_size + bed_adhesion_size - 1)
)
Application.getInstance().getController().getScene()._maximum_bounds = scale_to_max_bounds
def getBoundingBox(self):
return self._volume_aabb
def getRaftThickness(self):
return self._raft_thickness
def _updateRaftThickness(self):
old_raft_thickness = self._raft_thickness
self._adhesion_type = self._global_container_stack.getProperty("adhesion_type", "value")
self._raft_thickness = 0.0
if self._adhesion_type == "raft":
self._raft_thickness = (
self._global_container_stack.getProperty("raft_base_thickness", "value") +
self._global_container_stack.getProperty("raft_interface_thickness", "value") +
self._global_container_stack.getProperty("raft_surface_layers", "value") *
self._global_container_stack.getProperty("raft_surface_thickness", "value") +
self._global_container_stack.getProperty("raft_airgap", "value"))
# Rounding errors do not matter, we check if raft_thickness has changed at all
if old_raft_thickness != self._raft_thickness:
self.setPosition(Vector(0, -self._raft_thickness, 0), SceneNode.TransformSpace.World)
self.raftThicknessChanged.emit()
def _updateExtraZClearance(self):
extra_z = None
extruders = ExtruderManager.getInstance().getMachineExtruders(self._global_container_stack.getId())
for extruder in extruders:
retraction_hop = extruder.getProperty("retraction_hop", "value")
if extra_z is None or retraction_hop > extra_z:
extra_z = retraction_hop
if extra_z is None:
# If no extruders, take global value.
extra_z = self._global_container_stack.getProperty("retraction_hop", "value")
if extra_z != self._extra_z_clearance:
self._extra_z_clearance = extra_z
## Update the build volume visualization
def _onStackChanged(self):
if self._global_container_stack:
self._global_container_stack.propertyChanged.disconnect(self._onSettingPropertyChanged)
extruders = ExtruderManager.getInstance().getMachineExtruders(self._global_container_stack.getId())
for extruder in extruders:
extruder.propertyChanged.disconnect(self._onSettingPropertyChanged)
self._global_container_stack = Application.getInstance().getGlobalContainerStack()
if self._global_container_stack:
self._global_container_stack.propertyChanged.connect(self._onSettingPropertyChanged)
extruders = ExtruderManager.getInstance().getMachineExtruders(self._global_container_stack.getId())
for extruder in extruders:
extruder.propertyChanged.connect(self._onSettingPropertyChanged)
self._width = self._global_container_stack.getProperty("machine_width", "value")
machine_height = self._global_container_stack.getProperty("machine_height", "value")
if self._global_container_stack.getProperty("print_sequence", "value") == "one_at_a_time" and len(self._scene_objects) > 1:
self._height = min(self._global_container_stack.getProperty("gantry_height", "value"), machine_height)
if self._height < machine_height:
self._build_volume_message.show()
else:
self._build_volume_message.hide()
else:
self._height = self._global_container_stack.getProperty("machine_height", "value")
self._build_volume_message.hide()
self._depth = self._global_container_stack.getProperty("machine_depth", "value")
self._shape = self._global_container_stack.getProperty("machine_shape", "value")
self._updateDisallowedAreas()
self._updateRaftThickness()
if self._engine_ready:
self.rebuild()
def _onEngineCreated(self):
self._engine_ready = True
self.rebuild()
def _onSettingPropertyChanged(self, setting_key, property_name):
if property_name != "value":
return
rebuild_me = False
if setting_key == "print_sequence":
machine_height = self._global_container_stack.getProperty("machine_height", "value")
if Application.getInstance().getGlobalContainerStack().getProperty("print_sequence", "value") == "one_at_a_time" and len(self._scene_objects) > 1:
self._height = min(self._global_container_stack.getProperty("gantry_height", "value"), machine_height)
if self._height < machine_height:
self._build_volume_message.show()
else:
self._build_volume_message.hide()
else:
self._height = self._global_container_stack.getProperty("machine_height", "value")
self._build_volume_message.hide()
rebuild_me = True
if setting_key in self._skirt_settings or setting_key in self._prime_settings or setting_key in self._tower_settings or setting_key == "print_sequence" or setting_key in self._ooze_shield_settings or setting_key in self._distance_settings or setting_key in self._extruder_settings:
self._updateDisallowedAreas()
rebuild_me = True
if setting_key in self._raft_settings:
self._updateRaftThickness()
rebuild_me = True
if setting_key in self._extra_z_settings:
self._updateExtraZClearance()
rebuild_me = True
if rebuild_me:
self.rebuild()
def hasErrors(self):
return self._has_errors
## Calls _updateDisallowedAreas and makes sure the changes appear in the
# scene.
#
# This is required for a signal to trigger the update in one go. The
# ``_updateDisallowedAreas`` method itself shouldn't call ``rebuild``,
# since there may be other changes before it needs to be rebuilt, which
# would hit performance.
def _updateDisallowedAreasAndRebuild(self):
self._updateDisallowedAreas()
self.rebuild()
def _updateDisallowedAreas(self):
if not self._global_container_stack:
return
self._error_areas = []
extruder_manager = ExtruderManager.getInstance()
used_extruders = extruder_manager.getUsedExtruderStacks()
disallowed_border_size = self._getEdgeDisallowedSize()
if not used_extruders:
# If no extruder is used, assume that the active extruder is used (else nothing is drawn)
if extruder_manager.getActiveExtruderStack():
used_extruders = [extruder_manager.getActiveExtruderStack()]
else:
used_extruders = [self._global_container_stack]
result_areas = self._computeDisallowedAreasStatic(disallowed_border_size, used_extruders) #Normal machine disallowed areas can always be added.
prime_areas = self._computeDisallowedAreasPrime(disallowed_border_size, used_extruders)
prime_disallowed_areas = self._computeDisallowedAreasStatic(0, used_extruders) #Where the priming is not allowed to happen. This is not added to the result, just for collision checking.
#Check if prime positions intersect with disallowed areas.
for extruder in used_extruders:
extruder_id = extruder.getId()
collision = False
for prime_polygon in prime_areas[extruder_id]:
for disallowed_polygon in prime_disallowed_areas[extruder_id]:
if prime_polygon.intersectsPolygon(disallowed_polygon) is not None:
collision = True
break
if collision:
break
#Also check other prime positions (without additional offset).
for other_extruder_id in prime_areas:
if extruder_id == other_extruder_id: #It is allowed to collide with itself.
continue
for other_prime_polygon in prime_areas[other_extruder_id]:
if prime_polygon.intersectsPolygon(other_prime_polygon):
collision = True
break
if collision:
break
if collision:
break
result_areas[extruder_id].extend(prime_areas[extruder_id])
nozzle_disallowed_areas = extruder.getProperty("nozzle_disallowed_areas", "value")
for area in nozzle_disallowed_areas:
polygon = Polygon(numpy.array(area, numpy.float32))
polygon = polygon.getMinkowskiHull(Polygon.approximatedCircle(disallowed_border_size))
result_areas[extruder_id].append(polygon) #Don't perform the offset on these.
# Add prime tower location as disallowed area.
prime_tower_collision = False
prime_tower_areas = self._computeDisallowedAreasPrinted(used_extruders)
for extruder_id in prime_tower_areas:
for prime_tower_area in prime_tower_areas[extruder_id]:
for area in result_areas[extruder_id]:
if prime_tower_area.intersectsPolygon(area) is not None:
prime_tower_collision = True
break
if prime_tower_collision: #Already found a collision.
break
if not prime_tower_collision:
result_areas[extruder_id].extend(prime_tower_areas[extruder_id])
else:
self._error_areas.extend(prime_tower_areas[extruder_id])
self._has_errors = len(self._error_areas) > 0
self._disallowed_areas = []
for extruder_id in result_areas:
self._disallowed_areas.extend(result_areas[extruder_id])
## Computes the disallowed areas for objects that are printed with print
# features.
#
# This means that the brim, travel avoidance and such will be applied to
# these features.
#
# \return A dictionary with for each used extruder ID the disallowed areas
# where that extruder may not print.
def _computeDisallowedAreasPrinted(self, used_extruders):
result = {}
for extruder in used_extruders:
result[extruder.getId()] = []
#Currently, the only normally printed object is the prime tower.
if ExtruderManager.getInstance().getResolveOrValue("prime_tower_enable") == True:
prime_tower_size = self._global_container_stack.getProperty("prime_tower_size", "value")
machine_width = self._global_container_stack.getProperty("machine_width", "value")
machine_depth = self._global_container_stack.getProperty("machine_depth", "value")
prime_tower_x = self._global_container_stack.getProperty("prime_tower_position_x", "value")
prime_tower_y = - self._global_container_stack.getProperty("prime_tower_position_y", "value")
if not self._global_container_stack.getProperty("machine_center_is_zero", "value"):
prime_tower_x = prime_tower_x - machine_width / 2 #Offset by half machine_width and _depth to put the origin in the front-left.
prime_tower_y = prime_tower_y + machine_depth / 2
prime_tower_area = Polygon([
[prime_tower_x - prime_tower_size, prime_tower_y - prime_tower_size],
[prime_tower_x, prime_tower_y - prime_tower_size],
[prime_tower_x, prime_tower_y],
[prime_tower_x - prime_tower_size, prime_tower_y],
])
prime_tower_area = prime_tower_area.getMinkowskiHull(Polygon.approximatedCircle(0))
for extruder in used_extruders:
result[extruder.getId()].append(prime_tower_area) #The prime tower location is the same for each extruder, regardless of offset.
return result
## Computes the disallowed areas for the prime locations.
#
# These are special because they are not subject to things like brim or
# travel avoidance. They do get a dilute with the border size though
# because they may not intersect with brims and such of other objects.
#
# \param border_size The size with which to offset the disallowed areas
# due to skirt, brim, travel avoid distance, etc.
# \param used_extruders The extruder stacks to generate disallowed areas
# for.
# \return A dictionary with for each used extruder ID the prime areas.
def _computeDisallowedAreasPrime(self, border_size, used_extruders):
result = {}
machine_width = self._global_container_stack.getProperty("machine_width", "value")
machine_depth = self._global_container_stack.getProperty("machine_depth", "value")
for extruder in used_extruders:
prime_x = extruder.getProperty("extruder_prime_pos_x", "value")
prime_y = - extruder.getProperty("extruder_prime_pos_y", "value")
#Ignore extruder prime position if it is not set
if prime_x == 0 and prime_y == 0:
result[extruder.getId()] = []
continue
if not self._global_container_stack.getProperty("machine_center_is_zero", "value"):
prime_x = prime_x - machine_width / 2 #Offset by half machine_width and _depth to put the origin in the front-left.
prime_y = prime_x + machine_depth / 2
prime_polygon = Polygon.approximatedCircle(PRIME_CLEARANCE)
prime_polygon = prime_polygon.translate(prime_x, prime_y)
prime_polygon = prime_polygon.getMinkowskiHull(Polygon.approximatedCircle(border_size))
result[extruder.getId()] = [prime_polygon]
return result
## Computes the disallowed areas that are statically placed in the machine.
#
# It computes different disallowed areas depending on the offset of the
# extruder. The resulting dictionary will therefore have an entry for each
# extruder that is used.
#
# \param border_size The size with which to offset the disallowed areas
# due to skirt, brim, travel avoid distance, etc.
# \param used_extruders The extruder stacks to generate disallowed areas
# for.
# \return A dictionary with for each used extruder ID the disallowed areas
# where that extruder may not print.
def _computeDisallowedAreasStatic(self, border_size, used_extruders):
#Convert disallowed areas to polygons and dilate them.
machine_disallowed_polygons = []
for area in self._global_container_stack.getProperty("machine_disallowed_areas", "value"):
polygon = Polygon(numpy.array(area, numpy.float32))
polygon = polygon.getMinkowskiHull(Polygon.approximatedCircle(border_size))
machine_disallowed_polygons.append(polygon)
result = {}
for extruder in used_extruders:
extruder_id = extruder.getId()
offset_x = extruder.getProperty("machine_nozzle_offset_x", "value")
if offset_x is None:
offset_x = 0
offset_y = extruder.getProperty("machine_nozzle_offset_y", "value")
if offset_y is None:
offset_y = 0
result[extruder_id] = []
for polygon in machine_disallowed_polygons:
result[extruder_id].append(polygon.translate(offset_x, offset_y)) #Compensate for the nozzle offset of this extruder.
#Add the border around the edge of the build volume.
left_unreachable_border = 0
right_unreachable_border = 0
top_unreachable_border = 0
bottom_unreachable_border = 0
#The build volume is defined as the union of the area that all extruders can reach, so we need to know the relative offset to all extruders.
for other_extruder in ExtruderManager.getInstance().getActiveExtruderStacks():
other_offset_x = other_extruder.getProperty("machine_nozzle_offset_x", "value")
other_offset_y = other_extruder.getProperty("machine_nozzle_offset_y", "value")
left_unreachable_border = min(left_unreachable_border, other_offset_x - offset_x)
right_unreachable_border = max(right_unreachable_border, other_offset_x - offset_x)
top_unreachable_border = min(top_unreachable_border, other_offset_y - offset_y)
bottom_unreachable_border = max(bottom_unreachable_border, other_offset_y - offset_y)
half_machine_width = self._global_container_stack.getProperty("machine_width", "value") / 2
half_machine_depth = self._global_container_stack.getProperty("machine_depth", "value") / 2
if self._shape != "elliptic":
if border_size - left_unreachable_border > 0:
result[extruder_id].append(Polygon(numpy.array([
[-half_machine_width, -half_machine_depth],
[-half_machine_width, half_machine_depth],
[-half_machine_width + border_size - left_unreachable_border, half_machine_depth - border_size - bottom_unreachable_border],
[-half_machine_width + border_size - left_unreachable_border, -half_machine_depth + border_size - top_unreachable_border]
], numpy.float32)))
if border_size + right_unreachable_border > 0:
result[extruder_id].append(Polygon(numpy.array([
[half_machine_width, half_machine_depth],
[half_machine_width, -half_machine_depth],
[half_machine_width - border_size - right_unreachable_border, -half_machine_depth + border_size - top_unreachable_border],
[half_machine_width - border_size - right_unreachable_border, half_machine_depth - border_size - bottom_unreachable_border]
], numpy.float32)))
if border_size + bottom_unreachable_border > 0:
result[extruder_id].append(Polygon(numpy.array([
[-half_machine_width, half_machine_depth],
[half_machine_width, half_machine_depth],
[half_machine_width - border_size - right_unreachable_border, half_machine_depth - border_size - bottom_unreachable_border],
[-half_machine_width + border_size - left_unreachable_border, half_machine_depth - border_size - bottom_unreachable_border]
], numpy.float32)))
if border_size - top_unreachable_border > 0:
result[extruder_id].append(Polygon(numpy.array([
[half_machine_width, -half_machine_depth],
[-half_machine_width, -half_machine_depth],
[-half_machine_width + border_size - left_unreachable_border, -half_machine_depth + border_size - top_unreachable_border],
[half_machine_width - border_size - right_unreachable_border, -half_machine_depth + border_size - top_unreachable_border]
], numpy.float32)))
else:
sections = 32
arc_vertex = [0, half_machine_depth - border_size]
for i in range(0, sections):
quadrant = math.floor(4 * i / sections)
vertices = []
if quadrant == 0:
vertices.append([-half_machine_width, half_machine_depth])
elif quadrant == 1:
vertices.append([-half_machine_width, -half_machine_depth])
elif quadrant == 2:
vertices.append([half_machine_width, -half_machine_depth])
elif quadrant == 3:
vertices.append([half_machine_width, half_machine_depth])
vertices.append(arc_vertex)
angle = 2 * math.pi * (i + 1) / sections
arc_vertex = [-(half_machine_width - border_size) * math.sin(angle), (half_machine_depth - border_size) * math.cos(angle)]
vertices.append(arc_vertex)
result[extruder_id].append(Polygon(numpy.array(vertices, numpy.float32)))
if border_size > 0:
result[extruder_id].append(Polygon(numpy.array([
[-half_machine_width, -half_machine_depth],
[-half_machine_width, half_machine_depth],
[-half_machine_width + border_size, 0]
], numpy.float32)))
result[extruder_id].append(Polygon(numpy.array([
[-half_machine_width, half_machine_depth],
[ half_machine_width, half_machine_depth],
[ 0, half_machine_depth - border_size]
], numpy.float32)))
result[extruder_id].append(Polygon(numpy.array([
[ half_machine_width, half_machine_depth],
[ half_machine_width, -half_machine_depth],
[ half_machine_width - border_size, 0]
], numpy.float32)))
result[extruder_id].append(Polygon(numpy.array([
[ half_machine_width,-half_machine_depth],
[-half_machine_width,-half_machine_depth],
[ 0, -half_machine_depth + border_size]
], numpy.float32)))
return result
## Private convenience function to get a setting from the adhesion
# extruder.
#
# \param setting_key The key of the setting to get.
# \param property The property to get from the setting.
# \return The property of the specified setting in the adhesion extruder.
def _getSettingFromAdhesionExtruder(self, setting_key, property = "value"):
return self._getSettingFromExtruder(setting_key, "adhesion_extruder_nr", property)
## Private convenience function to get a setting from every extruder.
#
# For single extrusion machines, this gets the setting from the global
# stack.
#
# \return A sequence of setting values, one for each extruder.
def _getSettingFromAllExtruders(self, setting_key, property = "value"):
all_values = ExtruderManager.getInstance().getAllExtruderSettings(setting_key, property)
all_types = ExtruderManager.getInstance().getAllExtruderSettings(setting_key, "type")
for i in range(len(all_values)):
if not all_values[i] and (all_types[i] == "int" or all_types[i] == "float"):
all_values[i] = 0
return all_values
## Private convenience function to get a setting from the support infill
# extruder.
#
# \param setting_key The key of the setting to get.
# \param property The property to get from the setting.
# \return The property of the specified setting in the support infill
# extruder.
def _getSettingFromSupportInfillExtruder(self, setting_key, property = "value"):
return self._getSettingFromExtruder(setting_key, "support_infill_extruder_nr", property)
## Helper function to get a setting from an extruder specified in another
# setting.
#
# \param setting_key The key of the setting to get.
# \param extruder_setting_key The key of the setting that specifies from
# which extruder to get the setting, if there are multiple extruders.
# \param property The property to get from the setting.
# \return The property of the specified setting in the specified extruder.
def _getSettingFromExtruder(self, setting_key, extruder_setting_key, property = "value"):
multi_extrusion = self._global_container_stack.getProperty("machine_extruder_count", "value") > 1
if not multi_extrusion:
stack = self._global_container_stack
else:
extruder_index = self._global_container_stack.getProperty(extruder_setting_key, "value")
if extruder_index == "-1": # If extruder index is -1 use global instead
stack = self._global_container_stack
else:
extruder_stack_id = ExtruderManager.getInstance().extruderIds[str(extruder_index)]
stack = ContainerRegistry.getInstance().findContainerStacks(id = extruder_stack_id)[0]
value = stack.getProperty(setting_key, property)
setting_type = stack.getProperty(setting_key, "type")
if not value and (setting_type == "int" or setting_type == "float"):
return 0
return value
## Convenience function to calculate the disallowed radius around the edge.
#
# This disallowed radius is to allow for space around the models that is
# not part of the collision radius, such as bed adhesion (skirt/brim/raft)
# and travel avoid distance.
def _getEdgeDisallowedSize(self):
if not self._global_container_stack:
return 0
container_stack = self._global_container_stack
# If we are printing one at a time, we need to add the bed adhesion size to the disallowed areas of the objects
if container_stack.getProperty("print_sequence", "value") == "one_at_a_time":
return 0.1 # Return a very small value, so we do draw disallowed area's near the edges.
adhesion_type = container_stack.getProperty("adhesion_type", "value")
if adhesion_type == "skirt":
skirt_distance = self._getSettingFromAdhesionExtruder("skirt_gap")
skirt_line_count = self._getSettingFromAdhesionExtruder("skirt_line_count")
bed_adhesion_size = skirt_distance + (skirt_line_count * self._getSettingFromAdhesionExtruder("skirt_brim_line_width"))
if len(ExtruderManager.getInstance().getUsedExtruderStacks()) > 1:
adhesion_extruder_nr = int(self._global_container_stack.getProperty("adhesion_extruder_nr", "value"))
extruder_values = ExtruderManager.getInstance().getAllExtruderValues("skirt_brim_line_width")
del extruder_values[adhesion_extruder_nr] # Remove the value of the adhesion extruder nr.
for value in extruder_values:
bed_adhesion_size += value
elif adhesion_type == "brim":
bed_adhesion_size = self._getSettingFromAdhesionExtruder("brim_line_count") * self._getSettingFromAdhesionExtruder("skirt_brim_line_width")
if self._global_container_stack.getProperty("machine_extruder_count", "value") > 1:
adhesion_extruder_nr = int(self._global_container_stack.getProperty("adhesion_extruder_nr", "value"))
extruder_values = ExtruderManager.getInstance().getAllExtruderValues("skirt_brim_line_width")
del extruder_values[adhesion_extruder_nr] # Remove the value of the adhesion extruder nr.
for value in extruder_values:
bed_adhesion_size += value
elif adhesion_type == "raft":
bed_adhesion_size = self._getSettingFromAdhesionExtruder("raft_margin")
elif adhesion_type == "none":
bed_adhesion_size = 0
else:
raise Exception("Unknown bed adhesion type. Did you forget to update the build volume calculations for your new bed adhesion type?")
support_expansion = 0
if self._getSettingFromSupportInfillExtruder("support_offset") and self._global_container_stack.getProperty("support_enable", "value"):
support_expansion += self._getSettingFromSupportInfillExtruder("support_offset")
farthest_shield_distance = 0
if container_stack.getProperty("draft_shield_enabled", "value"):
farthest_shield_distance = max(farthest_shield_distance, container_stack.getProperty("draft_shield_dist", "value"))
if container_stack.getProperty("ooze_shield_enabled", "value"):
farthest_shield_distance = max(farthest_shield_distance, container_stack.getProperty("ooze_shield_dist", "value"))
move_from_wall_radius = 0 # Moves that start from outer wall.
move_from_wall_radius = max(move_from_wall_radius, max(self._getSettingFromAllExtruders("infill_wipe_dist")))
used_extruders = ExtruderManager.getInstance().getUsedExtruderStacks()
avoid_enabled_per_extruder = [stack.getProperty("travel_avoid_other_parts","value") for stack in used_extruders]
travel_avoid_distance_per_extruder = [stack.getProperty("travel_avoid_distance", "value") for stack in used_extruders]
for avoid_other_parts_enabled, avoid_distance in zip(avoid_enabled_per_extruder, travel_avoid_distance_per_extruder): #For each extruder (or just global).
if avoid_other_parts_enabled:
move_from_wall_radius = max(move_from_wall_radius, avoid_distance)
# Now combine our different pieces of data to get the final border size.
# Support expansion is added to the bed adhesion, since the bed adhesion goes around support.
# Support expansion is added to farthest shield distance, since the shields go around support.
border_size = max(move_from_wall_radius, support_expansion + farthest_shield_distance, support_expansion + bed_adhesion_size)
return border_size
def _clamp(self, value, min_value, max_value):
return max(min(value, max_value), min_value)
_skirt_settings = ["adhesion_type", "skirt_gap", "skirt_line_count", "skirt_brim_line_width", "brim_width", "brim_line_count", "raft_margin", "draft_shield_enabled", "draft_shield_dist"]
_raft_settings = ["adhesion_type", "raft_base_thickness", "raft_interface_thickness", "raft_surface_layers", "raft_surface_thickness", "raft_airgap"]
_extra_z_settings = ["retraction_hop"]
_prime_settings = ["extruder_prime_pos_x", "extruder_prime_pos_y", "extruder_prime_pos_z"]
_tower_settings = ["prime_tower_enable", "prime_tower_size", "prime_tower_position_x", "prime_tower_position_y"]
_ooze_shield_settings = ["ooze_shield_enabled", "ooze_shield_dist"]
_distance_settings = ["infill_wipe_dist", "travel_avoid_distance", "support_offset", "support_enable", "travel_avoid_other_parts"]
_extruder_settings = ["support_enable", "support_interface_enable", "support_infill_extruder_nr", "support_extruder_nr_layer_0", "support_interface_extruder_nr", "brim_line_count", "adhesion_extruder_nr", "adhesion_type"] #Settings that can affect which extruders are used.
def __init__(self, parent = None):
super().__init__(parent)
self._volume_outline_color = None
self._x_axis_color = None
self._y_axis_color = None
self._z_axis_color = None
self._disallowed_area_color = None
self._error_area_color = None
self._width = 0
self._height = 0
self._depth = 0
self._shape = ""
self._shader = None
self._origin_mesh = None
self._origin_line_length = 20
self._origin_line_width = 0.5
self._grid_mesh = None
self._grid_shader = None
self._disallowed_areas = []
self._disallowed_area_mesh = None
self._error_areas = []
self._error_mesh = None
self.setCalculateBoundingBox(False)
self._volume_aabb = None
self._raft_thickness = 0.0
self._extra_z_clearance = 0.0
self._adhesion_type = None
self._platform = Platform(self)
self._global_container_stack = None
Application.getInstance().globalContainerStackChanged.connect(self._onStackChanged)
self._onStackChanged()
self._engine_ready = False
Application.getInstance().engineCreatedSignal.connect(self._onEngineCreated)
self._has_errors = False
Application.getInstance().getController().getScene().sceneChanged.connect(self._onSceneChanged)
#Objects loaded at the moment. We are connected to the property changed events of these objects.
self._scene_objects = set()
self._change_timer = QTimer()
self._change_timer.setInterval(100)
self._change_timer.setSingleShot(True)
self._change_timer.timeout.connect(self._onChangeTimerFinished)
self._build_volume_message = Message(catalog.i18nc("@info:status",
"The build volume height has been reduced due to the value of the"
" \"Print Sequence\" setting to prevent the gantry from colliding"
" with printed models."))
# Must be after setting _build_volume_message, apparently that is used in getMachineManager.
# activeQualityChanged is always emitted after setActiveVariant, setActiveMaterial and setActiveQuality.
# Therefore this works.
Application.getInstance().getMachineManager().activeQualityChanged.connect(self._onStackChanged)
# This should also ways work, and it is semantically more correct,
# but it does not update the disallowed areas after material change
Application.getInstance().getMachineManager().activeStackChanged.connect(self._onStackChanged)
class CuraEngineBackend(QObject, Backend):
## Starts the back-end plug-in.
#
# This registers all the signal listeners and prepares for communication
# with the back-end in general.
# CuraEngineBackend is exposed to qml as well.
def __init__(self, parent = None):
super().__init__(parent = parent)
# Find out where the engine is located, and how it is called.
# This depends on how Cura is packaged and which OS we are running on.
executable_name = "CuraEngine"
if Platform.isWindows():
executable_name += ".exe"
default_engine_location = executable_name
if os.path.exists(os.path.join(Application.getInstallPrefix(), "bin", executable_name)):
default_engine_location = os.path.join(Application.getInstallPrefix(), "bin", executable_name)
if hasattr(sys, "frozen"):
default_engine_location = os.path.join(os.path.dirname(os.path.abspath(sys.executable)), executable_name)
if Platform.isLinux() and not default_engine_location:
if not os.getenv("PATH"):
raise OSError("There is something wrong with your Linux installation.")
for pathdir in os.getenv("PATH").split(os.pathsep):
execpath = os.path.join(pathdir, executable_name)
if os.path.exists(execpath):
default_engine_location = execpath
break
if not default_engine_location:
raise EnvironmentError("Could not find CuraEngine")
Logger.log("i", "Found CuraEngine at: %s" %(default_engine_location))
default_engine_location = os.path.abspath(default_engine_location)
Preferences.getInstance().addPreference("backend/location", default_engine_location)
# Workaround to disable layer view processing if layer view is not active.
self._layer_view_active = False
Application.getInstance().getController().activeViewChanged.connect(self._onActiveViewChanged)
self._onActiveViewChanged()
self._stored_layer_data = []
self._stored_optimized_layer_data = []
self._scene = Application.getInstance().getController().getScene()
self._scene.sceneChanged.connect(self._onSceneChanged)
# Triggers for when to (re)start slicing:
self._global_container_stack = None
Application.getInstance().globalContainerStackChanged.connect(self._onGlobalStackChanged)
self._onGlobalStackChanged()
self._active_extruder_stack = None
ExtruderManager.getInstance().activeExtruderChanged.connect(self._onActiveExtruderChanged)
self._onActiveExtruderChanged()
# Listeners for receiving messages from the back-end.
self._message_handlers["cura.proto.Layer"] = self._onLayerMessage
self._message_handlers["cura.proto.LayerOptimized"] = self._onOptimizedLayerMessage
self._message_handlers["cura.proto.Progress"] = self._onProgressMessage
self._message_handlers["cura.proto.GCodeLayer"] = self._onGCodeLayerMessage
self._message_handlers["cura.proto.GCodePrefix"] = self._onGCodePrefixMessage
self._message_handlers["cura.proto.PrintTimeMaterialEstimates"] = self._onPrintTimeMaterialEstimates
self._message_handlers["cura.proto.SlicingFinished"] = self._onSlicingFinishedMessage
self._start_slice_job = None
self._slicing = False # Are we currently slicing?
self._restart = False # Back-end is currently restarting?
self._tool_active = False # If a tool is active, some tasks do not have to do anything
self._always_restart = True # Always restart the engine when starting a new slice. Don't keep the process running. TODO: Fix engine statelessness.
self._process_layers_job = None # The currently active job to process layers, or None if it is not processing layers.
self._need_slicing = False
self._engine_is_fresh = True # Is the newly started engine used before or not?
self._backend_log_max_lines = 20000 # Maximum number of lines to buffer
self._error_message = None # Pop-up message that shows errors.
self.backendQuit.connect(self._onBackendQuit)
self.backendConnected.connect(self._onBackendConnected)
# When a tool operation is in progress, don't slice. So we need to listen for tool operations.
Application.getInstance().getController().toolOperationStarted.connect(self._onToolOperationStarted)
Application.getInstance().getController().toolOperationStopped.connect(self._onToolOperationStopped)
self._slice_start_time = None
Preferences.getInstance().addPreference("general/auto_slice", True)
self._use_timer = False
# When you update a setting and other settings get changed through inheritance, many propertyChanged signals are fired.
# This timer will group them up, and only slice for the last setting changed signal.
# TODO: Properly group propertyChanged signals by whether they are triggered by the same user interaction.
self._change_timer = QTimer()
self._change_timer.setSingleShot(True)
self._change_timer.setInterval(500)
self.determineAutoSlicing()
Preferences.getInstance().preferenceChanged.connect(self._onPreferencesChanged)
## Terminate the engine process.
#
# This function should terminate the engine process.
# Called when closing the application.
def close(self):
# Terminate CuraEngine if it is still running at this point
self._terminate()
## Get the command that is used to call the engine.
# This is useful for debugging and used to actually start the engine.
# \return list of commands and args / parameters.
def getEngineCommand(self):
json_path = Resources.getPath(Resources.DefinitionContainers, "fdmprinter.def.json")
return [Preferences.getInstance().getValue("backend/location"), "connect", "127.0.0.1:{0}".format(self._port), "-j", json_path, ""]
## Emitted when we get a message containing print duration and material amount.
# This also implies the slicing has finished.
# \param time The amount of time the print will take.
# \param material_amount The amount of material the print will use.
printDurationMessage = Signal()
## Emitted when the slicing process starts.
slicingStarted = Signal()
## Emitted when the slicing process is aborted forcefully.
slicingCancelled = Signal()
@pyqtSlot()
def stopSlicing(self):
self.backendStateChange.emit(BackendState.NotStarted)
if self._slicing: # We were already slicing. Stop the old job.
self._terminate()
self._createSocket()
if self._process_layers_job: # We were processing layers. Stop that, the layers are going to change soon.
self._process_layers_job.abort()
self._process_layers_job = None
if self._error_message:
self._error_message.hide()
## Manually triggers a reslice
@pyqtSlot()
def forceSlice(self):
if self._use_timer:
self._change_timer.start()
else:
self.slice()
## Perform a slice of the scene.
def slice(self):
self._slice_start_time = time()
if not self._need_slicing:
self.processingProgress.emit(1.0)
self.backendStateChange.emit(BackendState.Done)
Logger.log("w", "Slice unnecessary, nothing has changed that needs reslicing.")
return
self.printDurationMessage.emit(0, [0])
self._stored_layer_data = []
self._stored_optimized_layer_data = []
if self._process is None:
self._createSocket()
self.stopSlicing()
self._engine_is_fresh = False # Yes we're going to use the engine
self.processingProgress.emit(0.0)
self.backendStateChange.emit(BackendState.NotStarted)
self._scene.gcode_list = []
self._slicing = True
self.slicingStarted.emit()
slice_message = self._socket.createMessage("cura.proto.Slice")
self._start_slice_job = StartSliceJob.StartSliceJob(slice_message)
self._start_slice_job.start()
self._start_slice_job.finished.connect(self._onStartSliceCompleted)
## Terminate the engine process.
# Start the engine process by calling _createSocket()
def _terminate(self):
self._slicing = False
self._stored_layer_data = []
self._stored_optimized_layer_data = []
if self._start_slice_job is not None:
self._start_slice_job.cancel()
self.slicingCancelled.emit()
self.processingProgress.emit(0)
Logger.log("d", "Attempting to kill the engine process")
if Application.getInstance().getCommandLineOption("external-backend", False):
return
if self._process is not None:
Logger.log("d", "Killing engine process")
try:
self._process.terminate()
Logger.log("d", "Engine process is killed. Received return code %s", self._process.wait())
self._process = None
except Exception as e: # terminating a process that is already terminating causes an exception, silently ignore this.
Logger.log("d", "Exception occurred while trying to kill the engine %s", str(e))
## Event handler to call when the job to initiate the slicing process is
# completed.
#
# When the start slice job is successfully completed, it will be happily
# slicing. This function handles any errors that may occur during the
# bootstrapping of a slice job.
#
# \param job The start slice job that was just finished.
def _onStartSliceCompleted(self, job):
if self._error_message:
self._error_message.hide()
# Note that cancelled slice jobs can still call this method.
if self._start_slice_job is job:
self._start_slice_job = None
if job.isCancelled() or job.getError() or job.getResult() == StartSliceJob.StartJobResult.Error:
return
if job.getResult() == StartSliceJob.StartJobResult.MaterialIncompatible:
if Application.getInstance().platformActivity:
self._error_message = Message(catalog.i18nc("@info:status",
"The selected material is incompatible with the selected machine or configuration."))
self._error_message.show()
self.backendStateChange.emit(BackendState.Error)
else:
self.backendStateChange.emit(BackendState.NotStarted)
return
if job.getResult() == StartSliceJob.StartJobResult.SettingError:
if Application.getInstance().platformActivity:
extruders = list(ExtruderManager.getInstance().getMachineExtruders(self._global_container_stack.getId()))
error_keys = []
for extruder in extruders:
error_keys.extend(extruder.getErrorKeys())
if not extruders:
error_keys = self._global_container_stack.getErrorKeys()
error_labels = set()
definition_container = self._global_container_stack.getBottom()
for key in error_keys:
error_labels.add(definition_container.findDefinitions(key = key)[0].label)
error_labels = ", ".join(error_labels)
self._error_message = Message(catalog.i18nc("@info:status", "Unable to slice with the current settings. The following settings have errors: {0}".format(error_labels)))
self._error_message.show()
self.backendStateChange.emit(BackendState.Error)
else:
self.backendStateChange.emit(BackendState.NotStarted)
return
if job.getResult() == StartSliceJob.StartJobResult.BuildPlateError:
if Application.getInstance().platformActivity:
self._error_message = Message(catalog.i18nc("@info:status", "Unable to slice because the prime tower or prime position(s) are invalid."))
self._error_message.show()
self.backendStateChange.emit(BackendState.Error)
else:
self.backendStateChange.emit(BackendState.NotStarted)
if job.getResult() == StartSliceJob.StartJobResult.NothingToSlice:
if Application.getInstance().platformActivity:
self._error_message = Message(catalog.i18nc("@info:status", "Nothing to slice because none of the models fit the build volume. Please scale or rotate models to fit."))
self._error_message.show()
self.backendStateChange.emit(BackendState.Error)
else:
self.backendStateChange.emit(BackendState.NotStarted)
return
# Preparation completed, send it to the backend.
self._socket.sendMessage(job.getSliceMessage())
# Notify the user that it's now up to the backend to do it's job
self.backendStateChange.emit(BackendState.Processing)
Logger.log("d", "Sending slice message took %s seconds", time() - self._slice_start_time )
## Determine enable or disable auto slicing. Return True for enable timer and False otherwise.
# It disables when
# - preference auto slice is off
# - decorator isBlockSlicing is found (used in g-code reader)
def determineAutoSlicing(self):
enable_timer = True
if not Preferences.getInstance().getValue("general/auto_slice"):
enable_timer = False
for node in DepthFirstIterator(self._scene.getRoot()):
if node.callDecoration("isBlockSlicing"):
enable_timer = False
self.backendStateChange.emit(BackendState.Disabled)
gcode_list = node.callDecoration("getGCodeList")
if gcode_list is not None:
self._scene.gcode_list = gcode_list
if self._use_timer == enable_timer:
return self._use_timer
if enable_timer:
self.backendStateChange.emit(BackendState.NotStarted)
self.enableTimer()
return True
else:
self.disableTimer()
return False
## Listener for when the scene has changed.
#
# This should start a slice if the scene is now ready to slice.
#
# \param source The scene node that was changed.
def _onSceneChanged(self, source):
if self._tool_active:
return
if type(source) is not SceneNode:
return
if source is self._scene.getRoot():
return
self.determineAutoSlicing()
if source.getMeshData() is None:
return
if source.getMeshData().getVertices() is None:
return
self.needsSlicing()
self.stopSlicing()
self._onChanged()
## Called when an error occurs in the socket connection towards the engine.
#
# \param error The exception that occurred.
def _onSocketError(self, error):
if Application.getInstance().isShuttingDown():
return
super()._onSocketError(error)
if error.getErrorCode() == Arcus.ErrorCode.Debug:
return
self._terminate()
self._createSocket()
if error.getErrorCode() not in [Arcus.ErrorCode.BindFailedError, Arcus.ErrorCode.ConnectionResetError, Arcus.ErrorCode.Debug]:
Logger.log("w", "A socket error caused the connection to be reset")
## Remove old layer data (if any)
def _clearLayerData(self):
for node in DepthFirstIterator(self._scene.getRoot()):
if node.callDecoration("getLayerData"):
node.getParent().removeChild(node)
break
## Convenient function: set need_slicing, emit state and clear layer data
def needsSlicing(self):
self._need_slicing = True
self.processingProgress.emit(0.0)
self.backendStateChange.emit(BackendState.NotStarted)
if not self._use_timer:
# With manually having to slice, we want to clear the old invalid layer data.
self._clearLayerData()
## A setting has changed, so check if we must reslice.
#
# \param instance The setting instance that has changed.
# \param property The property of the setting instance that has changed.
def _onSettingChanged(self, instance, property):
if property == "value": # Only reslice if the value has changed.
self.needsSlicing()
self._onChanged()
## Called when a sliced layer data message is received from the engine.
#
# \param message The protobuf message containing sliced layer data.
def _onLayerMessage(self, message):
self._stored_layer_data.append(message)
## Called when an optimized sliced layer data message is received from the engine.
#
# \param message The protobuf message containing sliced layer data.
def _onOptimizedLayerMessage(self, message):
self._stored_optimized_layer_data.append(message)
## Called when a progress message is received from the engine.
#
# \param message The protobuf message containing the slicing progress.
def _onProgressMessage(self, message):
self.processingProgress.emit(message.amount)
self.backendStateChange.emit(BackendState.Processing)
## Called when the engine sends a message that slicing is finished.
#
# \param message The protobuf message signalling that slicing is finished.
def _onSlicingFinishedMessage(self, message):
self.backendStateChange.emit(BackendState.Done)
self.processingProgress.emit(1.0)
self._slicing = False
self._need_slicing = False
Logger.log("d", "Slicing took %s seconds", time() - self._slice_start_time )
if self._layer_view_active and (self._process_layers_job is None or not self._process_layers_job.isRunning()):
self._process_layers_job = ProcessSlicedLayersJob.ProcessSlicedLayersJob(self._stored_optimized_layer_data)
self._process_layers_job.finished.connect(self._onProcessLayersFinished)
self._process_layers_job.start()
self._stored_optimized_layer_data = []
## Called when a g-code message is received from the engine.
#
# \param message The protobuf message containing g-code, encoded as UTF-8.
def _onGCodeLayerMessage(self, message):
self._scene.gcode_list.append(message.data.decode("utf-8", "replace"))
## Called when a g-code prefix message is received from the engine.
#
# \param message The protobuf message containing the g-code prefix,
# encoded as UTF-8.
def _onGCodePrefixMessage(self, message):
self._scene.gcode_list.insert(0, message.data.decode("utf-8", "replace"))
## Called when a print time message is received from the engine.
#
# \param message The protobuff message containing the print time and
# material amount per extruder
def _onPrintTimeMaterialEstimates(self, message):
material_amounts = []
for index in range(message.repeatedMessageCount("materialEstimates")):
material_amounts.append(message.getRepeatedMessage("materialEstimates", index).material_amount)
self.printDurationMessage.emit(message.time, material_amounts)
## Creates a new socket connection.
def _createSocket(self):
super()._createSocket(os.path.abspath(os.path.join(PluginRegistry.getInstance().getPluginPath(self.getPluginId()), "Cura.proto")))
self._engine_is_fresh = True
## Called when anything has changed to the stuff that needs to be sliced.
#
# This indicates that we should probably re-slice soon.
def _onChanged(self, *args, **kwargs):
self.needsSlicing()
if self._use_timer:
self._change_timer.start()
## Called when the back-end connects to the front-end.
def _onBackendConnected(self):
if self._restart:
self._restart = False
self._onChanged()
## Called when the user starts using some tool.
#
# When the user starts using a tool, we should pause slicing to prevent
# continuously slicing while the user is dragging some tool handle.
#
# \param tool The tool that the user is using.
def _onToolOperationStarted(self, tool):
self._tool_active = True # Do not react on scene change
self.disableTimer()
# Restart engine as soon as possible, we know we want to slice afterwards
if not self._engine_is_fresh:
self._terminate()
self._createSocket()
## Called when the user stops using some tool.
#
# This indicates that we can safely start slicing again.
#
# \param tool The tool that the user was using.
def _onToolOperationStopped(self, tool):
self._tool_active = False # React on scene change again
self.determineAutoSlicing()
## Called when the user changes the active view mode.
def _onActiveViewChanged(self):
if Application.getInstance().getController().getActiveView():
view = Application.getInstance().getController().getActiveView()
if view.getPluginId() == "LayerView": # If switching to layer view, we should process the layers if that hasn't been done yet.
self._layer_view_active = True
# There is data and we're not slicing at the moment
# if we are slicing, there is no need to re-calculate the data as it will be invalid in a moment.
if self._stored_optimized_layer_data and not self._slicing:
self._process_layers_job = ProcessSlicedLayersJob.ProcessSlicedLayersJob(self._stored_optimized_layer_data)
self._process_layers_job.finished.connect(self._onProcessLayersFinished)
self._process_layers_job.start()
self._stored_optimized_layer_data = []
else:
self._layer_view_active = False
## Called when the back-end self-terminates.
#
# We should reset our state and start listening for new connections.
def _onBackendQuit(self):
if not self._restart:
if self._process:
Logger.log("d", "Backend quit with return code %s. Resetting process and socket.", self._process.wait())
self._process = None
## Called when the global container stack changes
def _onGlobalStackChanged(self):
if self._global_container_stack:
self._global_container_stack.propertyChanged.disconnect(self._onSettingChanged)
self._global_container_stack.containersChanged.disconnect(self._onChanged)
extruders = list(ExtruderManager.getInstance().getMachineExtruders(self._global_container_stack.getId()))
if extruders:
for extruder in extruders:
extruder.propertyChanged.disconnect(self._onSettingChanged)
self._global_container_stack = Application.getInstance().getGlobalContainerStack()
if self._global_container_stack:
self._global_container_stack.propertyChanged.connect(self._onSettingChanged) # Note: Only starts slicing when the value changed.
self._global_container_stack.containersChanged.connect(self._onChanged)
extruders = list(ExtruderManager.getInstance().getMachineExtruders(self._global_container_stack.getId()))
if extruders:
for extruder in extruders:
extruder.propertyChanged.connect(self._onSettingChanged)
self._onActiveExtruderChanged()
self._onChanged()
def _onActiveExtruderChanged(self):
if self._global_container_stack:
# Connect all extruders of the active machine. This might cause a few connects that have already happend,
# but that shouldn't cause issues as only new / unique connections are added.
extruders = list(ExtruderManager.getInstance().getMachineExtruders(self._global_container_stack.getId()))
if extruders:
for extruder in extruders:
extruder.propertyChanged.connect(self._onSettingChanged)
if self._active_extruder_stack:
self._active_extruder_stack.containersChanged.disconnect(self._onChanged)
self._active_extruder_stack = ExtruderManager.getInstance().getActiveExtruderStack()
if self._active_extruder_stack:
self._active_extruder_stack.containersChanged.connect(self._onChanged)
def _onProcessLayersFinished(self, job):
self._process_layers_job = None
## Connect slice function to timer.
def enableTimer(self):
if not self._use_timer:
self._change_timer.timeout.connect(self.slice)
self._use_timer = True
## Disconnect slice function from timer.
# This means that slicing will not be triggered automatically
def disableTimer(self):
if self._use_timer:
self._use_timer = False
self._change_timer.timeout.disconnect(self.slice)
def _onPreferencesChanged(self, preference):
if preference != "general/auto_slice":
return
auto_slice = self.determineAutoSlicing()
if auto_slice:
self._change_timer.start()
## Tickle the backend so in case of auto slicing, it starts the timer.
def tickle(self):
if self._use_timer:
self._change_timer.start()
def _onStartSliceCompleted(self, job):
if self._error_message:
self._error_message.hide()
# Note that cancelled slice jobs can still call this method.
if self._start_slice_job is job:
self._start_slice_job = None
if job.isCancelled() or job.getError() or job.getResult() == StartSliceJob.StartJobResult.Error:
return
if job.getResult() == StartSliceJob.StartJobResult.MaterialIncompatible:
if Application.getInstance().platformActivity:
self._error_message = Message(catalog.i18nc("@info:status",
"The selected material is incompatible with the selected machine or configuration."))
self._error_message.show()
self.backendStateChange.emit(BackendState.Error)
else:
self.backendStateChange.emit(BackendState.NotStarted)
return
if job.getResult() == StartSliceJob.StartJobResult.SettingError:
if Application.getInstance().platformActivity:
extruders = list(ExtruderManager.getInstance().getMachineExtruders(self._global_container_stack.getId()))
error_keys = []
for extruder in extruders:
error_keys.extend(extruder.getErrorKeys())
if not extruders:
error_keys = self._global_container_stack.getErrorKeys()
error_labels = set()
definition_container = self._global_container_stack.getBottom()
for key in error_keys:
error_labels.add(definition_container.findDefinitions(key = key)[0].label)
error_labels = ", ".join(error_labels)
self._error_message = Message(catalog.i18nc("@info:status", "Unable to slice with the current settings. The following settings have errors: {0}".format(error_labels)))
self._error_message.show()
self.backendStateChange.emit(BackendState.Error)
else:
self.backendStateChange.emit(BackendState.NotStarted)
return
if job.getResult() == StartSliceJob.StartJobResult.BuildPlateError:
if Application.getInstance().platformActivity:
self._error_message = Message(catalog.i18nc("@info:status", "Unable to slice because the prime tower or prime position(s) are invalid."))
self._error_message.show()
self.backendStateChange.emit(BackendState.Error)
else:
self.backendStateChange.emit(BackendState.NotStarted)
if job.getResult() == StartSliceJob.StartJobResult.NothingToSlice:
if Application.getInstance().platformActivity:
self._error_message = Message(catalog.i18nc("@info:status", "Nothing to slice because none of the models fit the build volume. Please scale or rotate models to fit."))
self._error_message.show()
self.backendStateChange.emit(BackendState.Error)
else:
self.backendStateChange.emit(BackendState.NotStarted)
return
# Preparation completed, send it to the backend.
self._socket.sendMessage(job.getSliceMessage())
# Notify the user that it's now up to the backend to do it's job
self.backendStateChange.emit(BackendState.Processing)
Logger.log("d", "Sending slice message took %s seconds", time() - self._slice_start_time )
class RotateTool(Tool):
"""Provides the tool to rotate meshes and groups
The tool exposes a ToolHint to show the rotation angle of the current operation
"""
def __init__(self):
super().__init__()
self._handle = RotateToolHandle.RotateToolHandle()
self._snap_rotation = True
self._snap_angle = math.radians(15)
self._angle = None
self._angle_update_time = None
self._shortcut_key = Qt.Key_R
self._progress_message = None
self._iterations = 0
self._total_iterations = 0
self._rotating = False
self.setExposedProperties("ToolHint", "RotationSnap",
"RotationSnapAngle", "SelectFaceSupported",
"SelectFaceToLayFlatMode")
self._saved_node_positions = []
self._select_face_mode = False
Selection.selectedFaceChanged.connect(self._onSelectedFaceChanged)
def event(self, event):
"""Handle mouse and keyboard events
:param event: type(Event)
"""
super().event(event)
if event.type == Event.KeyPressEvent and event.key == KeyEvent.ShiftKey:
# Snap is toggled when pressing the shift button
self.setRotationSnap(not self._snap_rotation)
if event.type == Event.KeyReleaseEvent and event.key == KeyEvent.ShiftKey:
# Snap is "toggled back" when releasing the shift button
self.setRotationSnap(not self._snap_rotation)
if event.type == Event.MousePressEvent and self._controller.getToolsEnabled(
):
# Start a rotate operation
if MouseEvent.LeftButton not in event.buttons:
return False
id = self._selection_pass.getIdAtPosition(event.x, event.y)
if not id:
return False
if self._handle.isAxis(id):
self.setLockedAxis(id)
else:
# Not clicked on an axis: do nothing.
return False
handle_position = self._handle.getWorldPosition()
# Save the current positions of the node, as we want to rotate around their current centres
self._saved_node_positions = []
for node in self._getSelectedObjectsWithoutSelectedAncestors():
self._saved_node_positions.append((node, node.getPosition()))
if id == ToolHandle.XAxis:
self.setDragPlane(Plane(Vector(1, 0, 0), handle_position.x))
elif id == ToolHandle.YAxis:
self.setDragPlane(Plane(Vector(0, 1, 0), handle_position.y))
elif self._locked_axis == ToolHandle.ZAxis:
self.setDragPlane(Plane(Vector(0, 0, 1), handle_position.z))
else:
self.setDragPlane(Plane(Vector(0, 1, 0), handle_position.y))
self.setDragStart(event.x, event.y)
self._rotating = False
self._angle = 0
return True
if event.type == Event.MouseMoveEvent:
# Perform a rotate operation
if not self.getDragPlane():
return False
if not self.getDragStart():
self.setDragStart(event.x, event.y)
if not self.getDragStart(): #May have set it to None.
return False
if not self._rotating:
self._rotating = True
self.operationStarted.emit(self)
handle_position = self._handle.getWorldPosition()
drag_start = (self.getDragStart() - handle_position).normalized()
drag_position = self.getDragPosition(event.x, event.y)
if not drag_position:
return False
drag_end = (drag_position - handle_position).normalized()
try:
angle = math.acos(drag_start.dot(drag_end))
except ValueError:
angle = 0
if self._snap_rotation:
angle = int(angle / self._snap_angle) * self._snap_angle
if angle == 0:
return False
rotation = None
if self.getLockedAxis() == ToolHandle.XAxis:
direction = 1 if Vector.Unit_X.dot(
drag_start.cross(drag_end)) > 0 else -1
rotation = Quaternion.fromAngleAxis(direction * angle,
Vector.Unit_X)
elif self.getLockedAxis() == ToolHandle.YAxis:
direction = 1 if Vector.Unit_Y.dot(
drag_start.cross(drag_end)) > 0 else -1
rotation = Quaternion.fromAngleAxis(direction * angle,
Vector.Unit_Y)
elif self.getLockedAxis() == ToolHandle.ZAxis:
direction = 1 if Vector.Unit_Z.dot(
drag_start.cross(drag_end)) > 0 else -1
rotation = Quaternion.fromAngleAxis(direction * angle,
Vector.Unit_Z)
else:
direction = -1
# Rate-limit the angle change notification
# This is done to prevent the UI from being flooded with property change notifications,
# which in turn would trigger constant repaints.
new_time = time.monotonic()
if not self._angle_update_time or new_time - self._angle_update_time > 0.1:
self._angle_update_time = new_time
self._angle += direction * angle
self.propertyChanged.emit()
# Rotate around the saved centeres of all selected nodes
if len(self._saved_node_positions) > 1:
op = GroupedOperation()
for node, position in self._saved_node_positions:
op.addOperation(
RotateOperation(node,
rotation,
rotate_around_point=position))
op.push()
else:
for node, position in self._saved_node_positions:
RotateOperation(node,
rotation,
rotate_around_point=position).push()
self.setDragStart(event.x, event.y)
return True
if event.type == Event.MouseReleaseEvent:
# Finish a rotate operation
if self.getDragPlane():
self.setDragPlane(None)
self.setLockedAxis(ToolHandle.NoAxis)
self._angle = None
self.propertyChanged.emit()
if self._rotating:
self.operationStopped.emit(self)
return True
def _onSelectedFaceChanged(self):
if not self._select_face_mode:
return
self._handle.setEnabled(not Selection.getFaceSelectMode())
selected_face = Selection.getSelectedFace()
if not Selection.getSelectedFace() or not (
Selection.hasSelection() and Selection.getFaceSelectMode()):
return
original_node, face_id = selected_face
meshdata = original_node.getMeshDataTransformed()
if not meshdata or face_id < 0:
return
if face_id > (meshdata.getVertexCount() / 3 if
not meshdata.hasIndices() else meshdata.getFaceCount()):
return
face_mid, face_normal = meshdata.getFacePlane(face_id)
object_mid = original_node.getBoundingBox().center
rotation_point_vector = Vector(object_mid.x, object_mid.y, face_mid[2])
face_normal_vector = Vector(face_normal[0], face_normal[1],
face_normal[2])
rotation_quaternion = Quaternion.rotationTo(
face_normal_vector.normalized(), Vector(0.0, -1.0, 0.0))
operation = GroupedOperation()
current_node = None # type: Optional[SceneNode]
for node in Selection.getAllSelectedObjects():
current_node = node
parent_node = current_node.getParent()
while parent_node and parent_node.callDecoration("isGroup"):
current_node = parent_node
parent_node = current_node.getParent()
if current_node is None:
return
rotate_operation = RotateOperation(current_node, rotation_quaternion,
rotation_point_vector)
operation.addOperation(rotate_operation)
operation.push()
# NOTE: We might want to consider unchecking the select-face button afterthe operation is done.
def getToolHint(self):
"""Return a formatted angle of the current rotate operation
:return: type(String) fully formatted string showing the angle by which the mesh(es) are rotated
"""
return "%d°" % round(math.degrees(
self._angle)) if self._angle else None
def getSelectFaceSupported(self) -> bool:
"""Get whether the select face feature is supported.
:return: True if it is supported, or False otherwise.
"""
# Use a dummy postfix, since an equal version with a postfix is considered smaller normally.
return Version(OpenGL.getInstance().getOpenGLVersion()) >= Version(
"4.1 dummy-postfix")
def getRotationSnap(self):
"""Get the state of the "snap rotation to N-degree increments" option
:return: type(Boolean)
"""
return self._snap_rotation
def setRotationSnap(self, snap):
"""Set the state of the "snap rotation to N-degree increments" option
:param snap: type(Boolean)
"""
if snap != self._snap_rotation:
self._snap_rotation = snap
self.propertyChanged.emit()
def getRotationSnapAngle(self):
"""Get the number of degrees used in the "snap rotation to N-degree increments" option"""
return self._snap_angle
def setRotationSnapAngle(self, angle):
"""Set the number of degrees used in the "snap rotation to N-degree increments" option"""
if angle != self._snap_angle:
self._snap_angle = angle
self.propertyChanged.emit()
def getSelectFaceToLayFlatMode(self) -> bool:
"""Whether the rotate tool is in 'Lay flat by face'-Mode."""
if not Selection.getFaceSelectMode():
self._select_face_mode = False # .. but not the other way around!
return self._select_face_mode
def setSelectFaceToLayFlatMode(self, select: bool) -> None:
"""Set the rotate tool to/from 'Lay flat by face'-Mode."""
if select != self._select_face_mode or select != Selection.getFaceSelectMode(
):
self._select_face_mode = select
if not select:
Selection.clearFace()
Selection.setFaceSelectMode(self._select_face_mode)
self.propertyChanged.emit()
def resetRotation(self):
"""Reset the orientation of the mesh(es) to their original orientation(s)"""
for node in self._getSelectedObjectsWithoutSelectedAncestors():
node.setMirror(Vector(1, 1, 1))
Selection.applyOperation(SetTransformOperation, None, Quaternion(),
None)
def layFlat(self):
"""Initialise and start a LayFlatOperation
Note: The LayFlat functionality is mostly used for 3d printing and should probably be moved into the Cura project
"""
self.operationStarted.emit(self)
self._progress_message = Message(
i18n_catalog.i18nc("@label",
"Laying object flat on buildplate..."),
lifetime=0,
dismissable=False,
title=i18n_catalog.i18nc("@title", "Object Rotation"))
self._progress_message.setProgress(0)
self._iterations = 0
self._total_iterations = 0
for selected_object in self._getSelectedObjectsWithoutSelectedAncestors(
):
self._layObjectFlat(selected_object)
self._progress_message.show()
operations = Selection.applyOperation(LayFlatOperation)
for op in operations:
op.progress.connect(self._layFlatProgress)
job = LayFlatJob(operations)
job.finished.connect(self._layFlatFinished)
job.start()
def _layObjectFlat(self, selected_object):
"""Lays the given object flat. The given object can be a group or not."""
if not selected_object.callDecoration("isGroup"):
self._total_iterations += selected_object.getMeshData(
).getVertexCount() * 2
else:
for child in selected_object.getChildren():
self._layObjectFlat(child)
def _layFlatProgress(self, iterations: int):
"""Called while performing the LayFlatOperation so progress can be shown
Note that the LayFlatOperation rate-limits these callbacks to prevent the UI from being flooded with property change notifications,
:param iterations: type(int) number of iterations performed since the last callback
"""
self._iterations += iterations
if self._progress_message:
self._progress_message.setProgress(
min(100 * (self._iterations / self._total_iterations), 100))
def _layFlatFinished(self, job):
"""Called when the LayFlatJob is done running all of its LayFlatOperations
:param job: type(LayFlatJob)
"""
if self._progress_message:
self._progress_message.hide()
self._progress_message = None
self.operationStopped.emit(self)
def _onStartSliceCompleted(self, job: StartSliceJob) -> None:
if self._error_message:
self._error_message.hide()
# Note that cancelled slice jobs can still call this method.
if self._start_slice_job is job:
self._start_slice_job = None
if job.isCancelled() or job.getError() or job.getResult() == StartJobResult.Error:
self.backendStateChange.emit(BackendState.Error)
self.backendError.emit(job)
return
if job.getResult() == StartJobResult.MaterialIncompatible:
if self._application.platformActivity:
self._error_message = Message(catalog.i18nc("@info:status",
"Unable to slice with the current material as it is incompatible with the selected machine or configuration."), title = catalog.i18nc("@info:title", "Unable to slice"))
self._error_message.show()
self.backendStateChange.emit(BackendState.Error)
self.backendError.emit(job)
else:
self.backendStateChange.emit(BackendState.NotStarted)
return
if job.getResult() == StartJobResult.SettingError:
if self._application.platformActivity:
if not self._global_container_stack:
Logger.log("w", "Global container stack not assigned to CuraEngineBackend!")
return
extruders = list(ExtruderManager.getInstance().getMachineExtruders(self._global_container_stack.getId()))
error_keys = [] #type: List[str]
for extruder in extruders:
error_keys.extend(extruder.getErrorKeys())
if not extruders:
error_keys = self._global_container_stack.getErrorKeys()
error_labels = set()
for key in error_keys:
for stack in [self._global_container_stack] + extruders: #Search all container stacks for the definition of this setting. Some are only in an extruder stack.
definitions = cast(DefinitionContainerInterface, stack.getBottom()).findDefinitions(key = key)
if definitions:
break #Found it! No need to continue search.
else: #No stack has a definition for this setting.
Logger.log("w", "When checking settings for errors, unable to find definition for key: {key}".format(key = key))
continue
error_labels.add(definitions[0].label)
self._error_message = Message(catalog.i18nc("@info:status", "Unable to slice with the current settings. The following settings have errors: {0}").format(", ".join(error_labels)),
title = catalog.i18nc("@info:title", "Unable to slice"))
self._error_message.show()
self.backendStateChange.emit(BackendState.Error)
self.backendError.emit(job)
else:
self.backendStateChange.emit(BackendState.NotStarted)
return
elif job.getResult() == StartJobResult.ObjectSettingError:
errors = {}
for node in DepthFirstIterator(self._application.getController().getScene().getRoot()): #type: ignore #Ignore type error because iter() should get called automatically by Python syntax.
stack = node.callDecoration("getStack")
if not stack:
continue
for key in stack.getErrorKeys():
if not self._global_container_stack:
Logger.log("e", "CuraEngineBackend does not have global_container_stack assigned.")
continue
definition = cast(DefinitionContainerInterface, self._global_container_stack.getBottom()).findDefinitions(key = key)
if not definition:
Logger.log("e", "When checking settings for errors, unable to find definition for key {key} in per-object stack.".format(key = key))
continue
errors[key] = definition[0].label
self._error_message = Message(catalog.i18nc("@info:status", "Unable to slice due to some per-model settings. The following settings have errors on one or more models: {error_labels}").format(error_labels = ", ".join(errors.values())),
title = catalog.i18nc("@info:title", "Unable to slice"))
self._error_message.show()
self.backendStateChange.emit(BackendState.Error)
self.backendError.emit(job)
return
if job.getResult() == StartJobResult.BuildPlateError:
if self._application.platformActivity:
self._error_message = Message(catalog.i18nc("@info:status", "Unable to slice because the prime tower or prime position(s) are invalid."),
title = catalog.i18nc("@info:title", "Unable to slice"))
self._error_message.show()
self.backendStateChange.emit(BackendState.Error)
self.backendError.emit(job)
else:
self.backendStateChange.emit(BackendState.NotStarted)
if job.getResult() == StartJobResult.ObjectsWithDisabledExtruder:
self._error_message = Message(catalog.i18nc("@info:status", "Unable to slice because there are objects associated with disabled Extruder %s." % job.getMessage()),
title = catalog.i18nc("@info:title", "Unable to slice"))
self._error_message.show()
self.backendStateChange.emit(BackendState.Error)
self.backendError.emit(job)
return
if job.getResult() == StartJobResult.NothingToSlice:
if self._application.platformActivity:
self._error_message = Message(catalog.i18nc("@info:status", "Nothing to slice because none of the models fit the build volume. Please scale or rotate models to fit."),
title = catalog.i18nc("@info:title", "Unable to slice"))
self._error_message.show()
self.backendStateChange.emit(BackendState.Error)
self.backendError.emit(job)
else:
self.backendStateChange.emit(BackendState.NotStarted)
self._invokeSlice()
return
# Preparation completed, send it to the backend.
self._socket.sendMessage(job.getSliceMessage())
# Notify the user that it's now up to the backend to do it's job
self.backendStateChange.emit(BackendState.Processing)
if self._slice_start_time:
Logger.log("d", "Sending slice message took %s seconds", time() - self._slice_start_time )
def on_connect_error(self, http_request, errorCode):
message = Message(("Connection Failed!"), lifetime = 5)
message.show()
self.lb_printer_state.setProperty("text","Connection Failed!")
def _showMessage(self, message: str) -> None:
"""Show a UI message."""
Message(message,
title=self.catalog.i18nc("@info:title", "Backup"),
lifetime=30).show()
def exportQualityProfile(self, container_list: List[InstanceContainer], file_name: str, file_type: str) -> bool:
"""Exports an profile to a file
:param container_list: :type{list} the containers to export. This is not
necessarily in any order!
:param file_name: :type{str} the full path and filename to export to.
:param file_type: :type{str} the file type with the format "<description> (*.<extension>)"
:return: True if the export succeeded, false otherwise.
"""
# Parse the fileType to deduce what plugin can save the file format.
# fileType has the format "<description> (*.<extension>)"
split = file_type.rfind(" (*.") # Find where the description ends and the extension starts.
if split < 0: # Not found. Invalid format.
Logger.log("e", "Invalid file format identifier %s", file_type)
return False
description = file_type[:split]
extension = file_type[split + 4:-1] # Leave out the " (*." and ")".
if not file_name.endswith("." + extension): # Auto-fill the extension if the user did not provide any.
file_name += "." + extension
# On Windows, QML FileDialog properly asks for overwrite confirm, but not on other platforms, so handle those ourself.
if not Platform.isWindows():
if os.path.exists(file_name):
result = QMessageBox.question(None, catalog.i18nc("@title:window", "File Already Exists"),
catalog.i18nc("@label Don't translate the XML tag <filename>!", "The file <filename>{0}</filename> already exists. Are you sure you want to overwrite it?").format(file_name))
if result == QMessageBox.No:
return False
profile_writer = self._findProfileWriter(extension, description)
try:
if profile_writer is None:
raise Exception("Unable to find a profile writer")
success = profile_writer.write(file_name, container_list)
except Exception as e:
Logger.log("e", "Failed to export profile to %s: %s", file_name, str(e))
m = Message(catalog.i18nc("@info:status Don't translate the XML tags <filename> or <message>!", "Failed to export profile to <filename>{0}</filename>: <message>{1}</message>", file_name, str(e)),
lifetime = 0,
title = catalog.i18nc("@info:title", "Error"))
m.show()
return False
if not success:
Logger.log("w", "Failed to export profile to %s: Writer plugin reported failure.", file_name)
m = Message(catalog.i18nc("@info:status Don't translate the XML tag <filename>!", "Failed to export profile to <filename>{0}</filename>: Writer plugin reported failure.", file_name),
lifetime = 0,
title = catalog.i18nc("@info:title", "Error"))
m.show()
return False
m = Message(catalog.i18nc("@info:status Don't translate the XML tag <filename>!", "Exported profile to <filename>{0}</filename>", file_name),
title = catalog.i18nc("@info:title", "Export succeeded"))
m.show()
return True
def startSendingThread(self):
Logger.log('i', '=============QIDI SEND BEGIN============')
self._errorMsg = ''
self._qidi._abort = False
self._stage = OutputStage.writing
res = self._qidi.sendfile(self.targetSendFileName)
if self._message:
self._message.hide()
self._message = None # type:Optional[Message]
self.writeFinished.emit(self)
self._stage = OutputStage.ready
if res == QidiResult.SUCCES:
if self._autoPrint is False:
self._message = Message(
catalog.i18nc("@info:status", "Do you wish to print now?"),
title=catalog.i18nc("@label", "SUCCESS"))
self._message.addAction("PRINT",
catalog.i18nc("@action:button", "YES"),
None, "")
self._message.addAction("NO",
catalog.i18nc("@action:button", "NO"),
None, "")
self._message.actionTriggered.connect(self._onActionTriggered)
self._message.setProgress(None)
self._message.show()
else:
self._onActionTriggered(self._message, "PRINT")
self.writeSuccess.emit(self)
self._stage = OutputStage.ready
return
self.writeError.emit(self)
if res == QidiResult.ABORTED:
Message(catalog.i18nc('@info:status', 'Upload Canceled'),
title=catalog.i18nc("@info:title", "ABORTED")).show()
return
result_msg = "Unknown Error!!!"
if self._result == QidiResult.TIMEOUT:
result_msg = 'Connection timeout'
elif self._result == QidiResult.WRITE_ERROR:
self.writeError.emit(self)
result_msg = self._errorMsg
if 'create file' in self._errorMsg:
m = Message(catalog.i18nc(
'@info:status',
' Write error, please check that the SD card /U disk has been inserted'
),
lifetime=0)
m.show()
elif self._result == QidiResult.FILE_EMPTY:
self.writeError.emit(self)
result_msg = 'File empty'
elif self._result == QidiResult.FILE_NOT_OPEN:
self.writeError.emit(self)
result_msg = "Cannot Open File"
self._message = Message(catalog.i18nc("@info:status", result_msg),
title=catalog.i18nc("@label", "FAILURE"))
self._message.show()
Logger.log('e', result_msg)
def run(self):
try:
# Initialize a Preference that stores the last version checked for this printer.
Application.getInstance().getPreferences().addPreference(
getSettingsKeyForMachine(self._lookups.getMachineId()), "")
# Get headers
application_name = Application.getInstance().getApplicationName()
application_version = Application.getInstance().getVersion()
self._headers = {
"User-Agent":
"%s - %s" % (application_name, application_version)
}
# If it is not None, then we compare between the checked_version and the current_version
machine_id = self._lookups.getMachineId()
if machine_id is not None:
Logger.log(
"i",
"You have a(n) {0} in the printer list. Do firmware-check."
.format(self._machine_name))
current_version = self.getCurrentVersion()
# This case indicates that was an error checking the version.
# It happens for instance when not connected to internet.
if current_version == self.ZERO_VERSION:
return
# If it is the first time the version is checked, the checked_version is ""
setting_key_str = getSettingsKeyForMachine(machine_id)
checked_version = Version(
Application.getInstance().getPreferences().getValue(
setting_key_str))
# If the checked_version is "", it's because is the first time we check firmware and in this case
# we will not show the notification, but we will store it for the next time
Application.getInstance().getPreferences().setValue(
setting_key_str, current_version)
Logger.log(
"i",
"Reading firmware version of %s: checked = %s - latest = %s",
self._machine_name, checked_version, current_version)
# The first time we want to store the current version, the notification will not be shown,
# because the new version of Cura will be release before the firmware and we don't want to
# notify the user when no new firmware version is available.
if (checked_version != "") and (checked_version !=
current_version):
Logger.log(
"i",
"Showing firmware update message for new version: {version}"
.format(version=current_version))
message = FirmwareUpdateCheckerMessage(
machine_id, self._machine_name,
self._lookups.getRedirectUserUrl())
message.actionTriggered.connect(self._callback)
message.show()
else:
Logger.log(
"i",
"No machine with name {0} in list of firmware to check.".
format(self._machine_name))
except Exception as e:
Logger.logException("w", "Failed to check for new version: %s", e)
if not self.silent:
Message(
i18n_catalog.i18nc(
"@info",
"Could not access update information.")).show()
return
class SimulationView(View):
# Must match SimulationView.qml
LAYER_VIEW_TYPE_MATERIAL_TYPE = 0
LAYER_VIEW_TYPE_LINE_TYPE = 1
LAYER_VIEW_TYPE_FEEDRATE = 2
LAYER_VIEW_TYPE_THICKNESS = 3
def __init__(self):
super().__init__()
self._max_layers = 0
self._current_layer_num = 0
self._minimum_layer_num = 0
self._current_layer_mesh = None
self._current_layer_jumps = None
self._top_layers_job = None
self._activity = False
self._old_max_layers = 0
self._max_paths = 0
self._current_path_num = 0
self._minimum_path_num = 0
self.currentLayerNumChanged.connect(self._onCurrentLayerNumChanged)
self._busy = False
self._simulation_running = False
self._ghost_shader = None
self._layer_pass = None
self._composite_pass = None
self._old_layer_bindings = None
self._simulationview_composite_shader = None
self._old_composite_shader = None
self._global_container_stack = None
self._proxy = SimulationViewProxy()
self._controller.getScene().getRoot().childrenChanged.connect(
self._onSceneChanged)
self._resetSettings()
self._legend_items = None
self._show_travel_moves = False
self._nozzle_node = None
Preferences.getInstance().addPreference("view/top_layer_count", 5)
Preferences.getInstance().addPreference("view/only_show_top_layers",
False)
Preferences.getInstance().addPreference(
"view/force_layer_view_compatibility_mode", False)
Preferences.getInstance().addPreference("layerview/layer_view_type", 0)
Preferences.getInstance().addPreference("layerview/extruder_opacities",
"")
Preferences.getInstance().addPreference("layerview/show_travel_moves",
False)
Preferences.getInstance().addPreference("layerview/show_helpers", True)
Preferences.getInstance().addPreference("layerview/show_skin", True)
Preferences.getInstance().addPreference("layerview/show_infill", True)
Preferences.getInstance().preferenceChanged.connect(
self._onPreferencesChanged)
self._updateWithPreferences()
self._solid_layers = int(
Preferences.getInstance().getValue("view/top_layer_count"))
self._only_show_top_layers = bool(
Preferences.getInstance().getValue("view/only_show_top_layers"))
self._compatibility_mode = True # for safety
self._wireprint_warning_message = Message(catalog.i18nc(
"@info:status",
"Cura does not accurately display layers when Wire Printing is enabled"
),
title=catalog.i18nc(
"@info:title",
"Simulation View"))
def _resetSettings(self):
self._layer_view_type = 0 # 0 is material color, 1 is color by linetype, 2 is speed
self._extruder_count = 0
self._extruder_opacity = [1.0, 1.0, 1.0, 1.0]
self._show_travel_moves = 0
self._show_helpers = 1
self._show_skin = 1
self._show_infill = 1
self.resetLayerData()
def getActivity(self):
return self._activity
def setActivity(self, activity):
if self._activity == activity:
return
self._activity = activity
self.activityChanged.emit()
def getSimulationPass(self):
if not self._layer_pass:
# Currently the RenderPass constructor requires a size > 0
# This should be fixed in RenderPass's constructor.
self._layer_pass = SimulationPass(1, 1)
self._compatibility_mode = OpenGLContext.isLegacyOpenGL() or bool(
Preferences.getInstance().getValue(
"view/force_layer_view_compatibility_mode"))
self._layer_pass.setSimulationView(self)
return self._layer_pass
def getCurrentLayer(self):
return self._current_layer_num
def getMinimumLayer(self):
return self._minimum_layer_num
def getMaxLayers(self):
return self._max_layers
def getCurrentPath(self):
return self._current_path_num
def getMinimumPath(self):
return self._minimum_path_num
def getMaxPaths(self):
return self._max_paths
def getNozzleNode(self):
if not self._nozzle_node:
self._nozzle_node = NozzleNode()
return self._nozzle_node
def _onSceneChanged(self, node):
self.setActivity(False)
self.calculateMaxLayers()
self.calculateMaxPathsOnLayer(self._current_layer_num)
def isBusy(self):
return self._busy
def setBusy(self, busy):
if busy != self._busy:
self._busy = busy
self.busyChanged.emit()
def isSimulationRunning(self):
return self._simulation_running
def setSimulationRunning(self, running):
self._simulation_running = running
def resetLayerData(self):
self._current_layer_mesh = None
self._current_layer_jumps = None
self._max_feedrate = sys.float_info.min
self._min_feedrate = sys.float_info.max
self._max_thickness = sys.float_info.min
self._min_thickness = sys.float_info.max
def beginRendering(self):
scene = self.getController().getScene()
renderer = self.getRenderer()
if not self._ghost_shader:
self._ghost_shader = OpenGL.getInstance().createShaderProgram(
Resources.getPath(Resources.Shaders, "color.shader"))
self._ghost_shader.setUniformValue(
"u_color",
Color(*Application.getInstance().getTheme().getColor(
"layerview_ghost").getRgb()))
for node in DepthFirstIterator(scene.getRoot()):
# We do not want to render ConvexHullNode as it conflicts with the bottom layers.
# However, it is somewhat relevant when the node is selected, so do render it then.
if type(node) is ConvexHullNode and not Selection.isSelected(
node.getWatchedNode()):
continue
if not node.render(renderer):
if (node.getMeshData()) and node.isVisible():
renderer.queueNode(node,
transparent=True,
shader=self._ghost_shader)
def setLayer(self, value):
if self._current_layer_num != value:
self._current_layer_num = value
if self._current_layer_num < 0:
self._current_layer_num = 0
if self._current_layer_num > self._max_layers:
self._current_layer_num = self._max_layers
if self._current_layer_num < self._minimum_layer_num:
self._minimum_layer_num = self._current_layer_num
self._startUpdateTopLayers()
self.currentLayerNumChanged.emit()
def setMinimumLayer(self, value):
if self._minimum_layer_num != value:
self._minimum_layer_num = value
if self._minimum_layer_num < 0:
self._minimum_layer_num = 0
if self._minimum_layer_num > self._max_layers:
self._minimum_layer_num = self._max_layers
if self._minimum_layer_num > self._current_layer_num:
self._current_layer_num = self._minimum_layer_num
self._startUpdateTopLayers()
self.currentLayerNumChanged.emit()
def setPath(self, value):
if self._current_path_num != value:
self._current_path_num = value
if self._current_path_num < 0:
self._current_path_num = 0
if self._current_path_num > self._max_paths:
self._current_path_num = self._max_paths
if self._current_path_num < self._minimum_path_num:
self._minimum_path_num = self._current_path_num
self._startUpdateTopLayers()
self.currentPathNumChanged.emit()
def setMinimumPath(self, value):
if self._minimum_path_num != value:
self._minimum_path_num = value
if self._minimum_path_num < 0:
self._minimum_path_num = 0
if self._minimum_path_num > self._max_layers:
self._minimum_path_num = self._max_layers
if self._minimum_path_num > self._current_path_num:
self._current_path_num = self._minimum_path_num
self._startUpdateTopLayers()
self.currentPathNumChanged.emit()
## Set the layer view type
#
# \param layer_view_type integer as in SimulationView.qml and this class
def setSimulationViewType(self, layer_view_type):
self._layer_view_type = layer_view_type
self.currentLayerNumChanged.emit()
## Return the layer view type, integer as in SimulationView.qml and this class
def getSimulationViewType(self):
return self._layer_view_type
## Set the extruder opacity
#
# \param extruder_nr 0..3
# \param opacity 0.0 .. 1.0
def setExtruderOpacity(self, extruder_nr, opacity):
if 0 <= extruder_nr <= 3:
self._extruder_opacity[extruder_nr] = opacity
self.currentLayerNumChanged.emit()
def getExtruderOpacities(self):
return self._extruder_opacity
def setShowTravelMoves(self, show):
self._show_travel_moves = show
self.currentLayerNumChanged.emit()
def getShowTravelMoves(self):
return self._show_travel_moves
def setShowHelpers(self, show):
self._show_helpers = show
self.currentLayerNumChanged.emit()
def getShowHelpers(self):
return self._show_helpers
def setShowSkin(self, show):
self._show_skin = show
self.currentLayerNumChanged.emit()
def getShowSkin(self):
return self._show_skin
def setShowInfill(self, show):
self._show_infill = show
self.currentLayerNumChanged.emit()
def getShowInfill(self):
return self._show_infill
def getCompatibilityMode(self):
return self._compatibility_mode
def getExtruderCount(self):
return self._extruder_count
def getMinFeedrate(self):
return self._min_feedrate
def getMaxFeedrate(self):
return self._max_feedrate
def getMinThickness(self):
return self._min_thickness
def getMaxThickness(self):
return self._max_thickness
def calculateMaxLayers(self):
scene = self.getController().getScene()
self._old_max_layers = self._max_layers
## Recalculate num max layers
new_max_layers = 0
for node in DepthFirstIterator(scene.getRoot()):
layer_data = node.callDecoration("getLayerData")
if not layer_data:
continue
self.setActivity(True)
min_layer_number = sys.maxsize
max_layer_number = -sys.maxsize
for layer_id in layer_data.getLayers():
# Store the max and min feedrates and thicknesses for display purposes
for p in layer_data.getLayer(layer_id).polygons:
self._max_feedrate = max(float(p.lineFeedrates.max()),
self._max_feedrate)
self._min_feedrate = min(float(p.lineFeedrates.min()),
self._min_feedrate)
self._max_thickness = max(float(p.lineThicknesses.max()),
self._max_thickness)
self._min_thickness = min(float(p.lineThicknesses.min()),
self._min_thickness)
if max_layer_number < layer_id:
max_layer_number = layer_id
if min_layer_number > layer_id:
min_layer_number = layer_id
layer_count = max_layer_number - min_layer_number
if new_max_layers < layer_count:
new_max_layers = layer_count
if new_max_layers > 0 and new_max_layers != self._old_max_layers:
self._max_layers = new_max_layers
# The qt slider has a bit of weird behavior that if the maxvalue needs to be changed first
# if it's the largest value. If we don't do this, we can have a slider block outside of the
# slider.
if new_max_layers > self._current_layer_num:
self.maxLayersChanged.emit()
self.setLayer(int(self._max_layers))
else:
self.setLayer(int(self._max_layers))
self.maxLayersChanged.emit()
self._startUpdateTopLayers()
def calculateMaxPathsOnLayer(self, layer_num):
# Update the currentPath
scene = self.getController().getScene()
for node in DepthFirstIterator(scene.getRoot()):
layer_data = node.callDecoration("getLayerData")
if not layer_data:
continue
layer = layer_data.getLayer(layer_num)
if layer is None:
return
new_max_paths = layer.lineMeshElementCount()
if new_max_paths >= 0 and new_max_paths != self._max_paths:
self._max_paths = new_max_paths
self.maxPathsChanged.emit()
self.setPath(int(new_max_paths))
maxLayersChanged = Signal()
maxPathsChanged = Signal()
currentLayerNumChanged = Signal()
currentPathNumChanged = Signal()
globalStackChanged = Signal()
preferencesChanged = Signal()
busyChanged = Signal()
activityChanged = Signal()
## Hackish way to ensure the proxy is already created, which ensures that the layerview.qml is already created
# as this caused some issues.
def getProxy(self, engine, script_engine):
return self._proxy
def endRendering(self):
pass
def event(self, event):
modifiers = QApplication.keyboardModifiers()
ctrl_is_active = modifiers & Qt.ControlModifier
shift_is_active = modifiers & Qt.ShiftModifier
if event.type == Event.KeyPressEvent and ctrl_is_active:
amount = 10 if shift_is_active else 1
if event.key == KeyEvent.UpKey:
self.setLayer(self._current_layer_num + amount)
return True
if event.key == KeyEvent.DownKey:
self.setLayer(self._current_layer_num - amount)
return True
if event.type == Event.ViewActivateEvent:
# Make sure the SimulationPass is created
layer_pass = self.getSimulationPass()
self.getRenderer().addRenderPass(layer_pass)
# Make sure the NozzleNode is add to the root
nozzle = self.getNozzleNode()
nozzle.setParent(self.getController().getScene().getRoot())
nozzle.setVisible(False)
Application.getInstance().globalContainerStackChanged.connect(
self._onGlobalStackChanged)
self._onGlobalStackChanged()
if not self._simulationview_composite_shader:
self._simulationview_composite_shader = OpenGL.getInstance(
).createShaderProgram(
os.path.join(
PluginRegistry.getInstance().getPluginPath(
"SimulationView"),
"simulationview_composite.shader"))
theme = Application.getInstance().getTheme()
self._simulationview_composite_shader.setUniformValue(
"u_background_color",
Color(*theme.getColor("viewport_background").getRgb()))
self._simulationview_composite_shader.setUniformValue(
"u_outline_color",
Color(*theme.getColor("model_selection_outline").getRgb()))
if not self._composite_pass:
self._composite_pass = self.getRenderer().getRenderPass(
"composite")
self._old_layer_bindings = self._composite_pass.getLayerBindings(
)[:] # make a copy so we can restore to it later
self._composite_pass.getLayerBindings().append("simulationview")
self._old_composite_shader = self._composite_pass.getCompositeShader(
)
self._composite_pass.setCompositeShader(
self._simulationview_composite_shader)
elif event.type == Event.ViewDeactivateEvent:
self._wireprint_warning_message.hide()
Application.getInstance().globalContainerStackChanged.disconnect(
self._onGlobalStackChanged)
if self._global_container_stack:
self._global_container_stack.propertyChanged.disconnect(
self._onPropertyChanged)
self._nozzle_node.setParent(None)
self.getRenderer().removeRenderPass(self._layer_pass)
self._composite_pass.setLayerBindings(self._old_layer_bindings)
self._composite_pass.setCompositeShader(self._old_composite_shader)
def getCurrentLayerMesh(self):
return self._current_layer_mesh
def getCurrentLayerJumps(self):
return self._current_layer_jumps
def _onGlobalStackChanged(self):
if self._global_container_stack:
self._global_container_stack.propertyChanged.disconnect(
self._onPropertyChanged)
self._global_container_stack = Application.getInstance(
).getGlobalContainerStack()
if self._global_container_stack:
self._global_container_stack.propertyChanged.connect(
self._onPropertyChanged)
self._extruder_count = self._global_container_stack.getProperty(
"machine_extruder_count", "value")
self._onPropertyChanged("wireframe_enabled", "value")
self.globalStackChanged.emit()
else:
self._wireprint_warning_message.hide()
def _onPropertyChanged(self, key, property_name):
if key == "wireframe_enabled" and property_name == "value":
if self._global_container_stack.getProperty(
"wireframe_enabled", "value"):
self._wireprint_warning_message.show()
else:
self._wireprint_warning_message.hide()
def _onCurrentLayerNumChanged(self):
self.calculateMaxPathsOnLayer(self._current_layer_num)
def _startUpdateTopLayers(self):
if not self._compatibility_mode:
return
if self._top_layers_job:
self._top_layers_job.finished.disconnect(
self._updateCurrentLayerMesh)
self._top_layers_job.cancel()
self.setBusy(True)
self._top_layers_job = _CreateTopLayersJob(self._controller.getScene(),
self._current_layer_num,
self._solid_layers)
self._top_layers_job.finished.connect(self._updateCurrentLayerMesh)
self._top_layers_job.start()
def _updateCurrentLayerMesh(self, job):
self.setBusy(False)
if not job.getResult():
return
self.resetLayerData(
) # Reset the layer data only when job is done. Doing it now prevents "blinking" data.
self._current_layer_mesh = job.getResult().get("layers")
if self._show_travel_moves:
self._current_layer_jumps = job.getResult().get("jumps")
self._controller.getScene().sceneChanged.emit(
self._controller.getScene().getRoot())
self._top_layers_job = None
def _updateWithPreferences(self):
self._solid_layers = int(
Preferences.getInstance().getValue("view/top_layer_count"))
self._only_show_top_layers = bool(
Preferences.getInstance().getValue("view/only_show_top_layers"))
self._compatibility_mode = OpenGLContext.isLegacyOpenGL() or bool(
Preferences.getInstance().getValue(
"view/force_layer_view_compatibility_mode"))
self.setSimulationViewType(
int(
float(Preferences.getInstance().getValue(
"layerview/layer_view_type"))))
for extruder_nr, extruder_opacity in enumerate(
Preferences.getInstance().getValue(
"layerview/extruder_opacities").split("|")):
try:
opacity = float(extruder_opacity)
except ValueError:
opacity = 1.0
self.setExtruderOpacity(extruder_nr, opacity)
self.setShowTravelMoves(
bool(Preferences.getInstance().getValue(
"layerview/show_travel_moves")))
self.setShowHelpers(
bool(Preferences.getInstance().getValue("layerview/show_helpers")))
self.setShowSkin(
bool(Preferences.getInstance().getValue("layerview/show_skin")))
self.setShowInfill(
bool(Preferences.getInstance().getValue("layerview/show_infill")))
self._startUpdateTopLayers()
self.preferencesChanged.emit()
def _onPreferencesChanged(self, preference):
if preference not in {
"view/top_layer_count",
"view/only_show_top_layers",
"view/force_layer_view_compatibility_mode",
"layerview/layer_view_type",
"layerview/extruder_opacities",
"layerview/show_travel_moves",
"layerview/show_helpers",
"layerview/show_skin",
"layerview/show_infill",
}:
return
self._updateWithPreferences()
def __init__(self, parent = None) -> None:
super().__init__(parent)
self._max_layers = 0
self._current_layer_num = 0
self._minimum_layer_num = 0
self._current_layer_mesh = None
self._current_layer_jumps = None
self._top_layers_job = None # type: Optional["_CreateTopLayersJob"]
self._activity = False
self._old_max_layers = 0
self._max_paths = 0
self._current_path_num = 0
self._minimum_path_num = 0
self.currentLayerNumChanged.connect(self._onCurrentLayerNumChanged)
self._busy = False
self._simulation_running = False
self._ghost_shader = None # type: Optional["ShaderProgram"]
self._layer_pass = None # type: Optional[SimulationPass]
self._composite_pass = None # type: Optional[CompositePass]
self._old_layer_bindings = None # type: Optional[List[str]]
self._simulationview_composite_shader = None # type: Optional["ShaderProgram"]
self._old_composite_shader = None # type: Optional["ShaderProgram"]
self._max_feedrate = sys.float_info.min
self._min_feedrate = sys.float_info.max
self._max_thickness = sys.float_info.min
self._min_thickness = sys.float_info.max
self._global_container_stack = None # type: Optional[ContainerStack]
self._proxy = None
self._resetSettings()
self._legend_items = None
self._show_travel_moves = False
self._nozzle_node = None # type: Optional[NozzleNode]
Application.getInstance().getPreferences().addPreference("view/top_layer_count", 5)
Application.getInstance().getPreferences().addPreference("view/only_show_top_layers", False)
Application.getInstance().getPreferences().addPreference("view/force_layer_view_compatibility_mode", False)
Application.getInstance().getPreferences().addPreference("layerview/layer_view_type", 0)
Application.getInstance().getPreferences().addPreference("layerview/extruder_opacities", "")
Application.getInstance().getPreferences().addPreference("layerview/show_travel_moves", False)
Application.getInstance().getPreferences().addPreference("layerview/show_helpers", True)
Application.getInstance().getPreferences().addPreference("layerview/show_skin", True)
Application.getInstance().getPreferences().addPreference("layerview/show_infill", True)
self._updateWithPreferences()
self._solid_layers = int(Application.getInstance().getPreferences().getValue("view/top_layer_count"))
self._only_show_top_layers = bool(Application.getInstance().getPreferences().getValue("view/only_show_top_layers"))
self._compatibility_mode = self._evaluateCompatibilityMode()
self._wireprint_warning_message = Message(catalog.i18nc("@info:status", "Cura does not accurately display layers when Wire Printing is enabled"),
title = catalog.i18nc("@info:title", "Simulation View"))
QtApplication.getInstance().engineCreatedSignal.connect(self._onEngineCreated)
def run(self):
if not self._url:
Logger.log("e", "Can not check for a new release. URL not set!")
no_new_version = True
application_name = Application.getInstance().getApplicationName()
Logger.log("i", "Checking for new version of %s" % application_name)
try:
headers = {
"User-Agent":
"%s - %s" %
(application_name, Application.getInstance().getVersion())
}
# CURA-6698 Create an SSL context and use certifi CA certificates for verification.
context = ssl.SSLContext(protocol=ssl.PROTOCOL_TLSv1_2)
context.verify_mode = ssl.CERT_REQUIRED
context.load_verify_locations(cafile=certifi.where())
request = urllib.request.Request(self._url, headers=headers)
latest_version_file = urllib.request.urlopen(request,
context=context)
except Exception as e:
Logger.logException("w", "Failed to check for new version: %s" % e)
if not self.silent:
Message(i18n_catalog.i18nc(
"@info", "Could not access update information."),
title=i18n_catalog.i18nc("@info:title",
"Version Upgrade")).show()
return
try:
reader = codecs.getreader("utf-8")
data = json.load(reader(latest_version_file))
try:
if Application.getInstance().getVersion() != "master":
local_version = Version(
Application.getInstance().getVersion())
else:
if not self.silent:
Message(i18n_catalog.i18nc(
"@info",
"The version you are using does not support checking for updates."
),
title=i18n_catalog.i18nc(
"@info:title", "Warning")).show()
return
except ValueError:
Logger.log(
"w",
"Could not determine application version from string %s, not checking for updates",
Application.getInstance().getVersion())
if not self.silent:
Message(i18n_catalog.i18nc(
"@info",
"The version you are using does not support checking for updates."
),
title=i18n_catalog.i18nc(
"@info:title", "Version Upgrade")).show()
return
if application_name in data:
for key, value in data[application_name].items():
if "major" in value and "minor" in value and "revision" in value and "url" in value:
os = key
if platform.system().lower() == os.lower(
): #TODO: add architecture check
newest_version = Version([
int(value["major"]),
int(value["minor"]),
int(value["revision"])
])
if local_version < newest_version:
preferences = Application.getInstance(
).getPreferences()
latest_version_shown = preferences.getValue(
"info/latest_update_version_shown")
if latest_version_shown == newest_version and not self.display_same_version:
continue # Don't show this update again. The user already clicked it away and doesn't want it again.
preferences.setValue(
"info/latest_update_version_shown",
str(newest_version))
Logger.log(
"i",
"Found a new version of the software. Spawning message"
)
self.showUpdate(newest_version, value["url"])
no_new_version = False
break
else:
Logger.log(
"w",
"Could not find version information or download url for update."
)
else:
Logger.log(
"w", "Did not find any version information for %s." %
application_name)
except Exception:
Logger.logException(
"e",
"Exception in update checker while parsing the JSON file.")
Message(i18n_catalog.i18nc(
"@info", "An error occurred while checking for updates."),
title=i18n_catalog.i18nc("@info:title", "Error")).show()
no_new_version = False # Just to suppress the message below.
if no_new_version and not self.silent:
Message(i18n_catalog.i18nc("@info", "No new version was found."),
title=i18n_catalog.i18nc("@info:title",
"Version Upgrade")).show()
class SimulationView(CuraView):
# Must match SimulationViewMenuComponent.qml
LAYER_VIEW_TYPE_MATERIAL_TYPE = 0
LAYER_VIEW_TYPE_LINE_TYPE = 1
LAYER_VIEW_TYPE_FEEDRATE = 2
LAYER_VIEW_TYPE_THICKNESS = 3
def __init__(self, parent = None) -> None:
super().__init__(parent)
self._max_layers = 0
self._current_layer_num = 0
self._minimum_layer_num = 0
self._current_layer_mesh = None
self._current_layer_jumps = None
self._top_layers_job = None # type: Optional["_CreateTopLayersJob"]
self._activity = False
self._old_max_layers = 0
self._max_paths = 0
self._current_path_num = 0
self._minimum_path_num = 0
self.currentLayerNumChanged.connect(self._onCurrentLayerNumChanged)
self._busy = False
self._simulation_running = False
self._ghost_shader = None # type: Optional["ShaderProgram"]
self._layer_pass = None # type: Optional[SimulationPass]
self._composite_pass = None # type: Optional[CompositePass]
self._old_layer_bindings = None # type: Optional[List[str]]
self._simulationview_composite_shader = None # type: Optional["ShaderProgram"]
self._old_composite_shader = None # type: Optional["ShaderProgram"]
self._max_feedrate = sys.float_info.min
self._min_feedrate = sys.float_info.max
self._max_thickness = sys.float_info.min
self._min_thickness = sys.float_info.max
self._global_container_stack = None # type: Optional[ContainerStack]
self._proxy = None
self._resetSettings()
self._legend_items = None
self._show_travel_moves = False
self._nozzle_node = None # type: Optional[NozzleNode]
Application.getInstance().getPreferences().addPreference("view/top_layer_count", 5)
Application.getInstance().getPreferences().addPreference("view/only_show_top_layers", False)
Application.getInstance().getPreferences().addPreference("view/force_layer_view_compatibility_mode", False)
Application.getInstance().getPreferences().addPreference("layerview/layer_view_type", 0)
Application.getInstance().getPreferences().addPreference("layerview/extruder_opacities", "")
Application.getInstance().getPreferences().addPreference("layerview/show_travel_moves", False)
Application.getInstance().getPreferences().addPreference("layerview/show_helpers", True)
Application.getInstance().getPreferences().addPreference("layerview/show_skin", True)
Application.getInstance().getPreferences().addPreference("layerview/show_infill", True)
self._updateWithPreferences()
self._solid_layers = int(Application.getInstance().getPreferences().getValue("view/top_layer_count"))
self._only_show_top_layers = bool(Application.getInstance().getPreferences().getValue("view/only_show_top_layers"))
self._compatibility_mode = self._evaluateCompatibilityMode()
self._wireprint_warning_message = Message(catalog.i18nc("@info:status", "Cura does not accurately display layers when Wire Printing is enabled"),
title = catalog.i18nc("@info:title", "Simulation View"))
QtApplication.getInstance().engineCreatedSignal.connect(self._onEngineCreated)
def _onEngineCreated(self) -> None:
plugin_path = PluginRegistry.getInstance().getPluginPath(self.getPluginId())
if plugin_path:
self.addDisplayComponent("main", os.path.join(plugin_path, "SimulationViewMainComponent.qml"))
self.addDisplayComponent("menu", os.path.join(plugin_path, "SimulationViewMenuComponent.qml"))
else:
Logger.log("e", "Unable to find the path for %s", self.getPluginId())
def _evaluateCompatibilityMode(self) -> bool:
return OpenGLContext.isLegacyOpenGL() or bool(Application.getInstance().getPreferences().getValue("view/force_layer_view_compatibility_mode"))
def _resetSettings(self) -> None:
self._layer_view_type = 0 # type: int # 0 is material color, 1 is color by linetype, 2 is speed, 3 is layer thickness
self._extruder_count = 0
self._extruder_opacity = [1.0, 1.0, 1.0, 1.0]
self._show_travel_moves = False
self._show_helpers = True
self._show_skin = True
self._show_infill = True
self.resetLayerData()
def getActivity(self) -> bool:
return self._activity
def setActivity(self, activity: bool) -> None:
if self._activity == activity:
return
self._activity = activity
self.activityChanged.emit()
def getSimulationPass(self) -> SimulationPass:
if not self._layer_pass:
# Currently the RenderPass constructor requires a size > 0
# This should be fixed in RenderPass's constructor.
self._layer_pass = SimulationPass(1, 1)
self._compatibility_mode = self._evaluateCompatibilityMode()
self._layer_pass.setSimulationView(self)
return self._layer_pass
def getCurrentLayer(self) -> int:
return self._current_layer_num
def getMinimumLayer(self) -> int:
return self._minimum_layer_num
def getMaxLayers(self) -> int:
return self._max_layers
def getCurrentPath(self) -> int:
return self._current_path_num
def getMinimumPath(self) -> int:
return self._minimum_path_num
def getMaxPaths(self) -> int:
return self._max_paths
def getNozzleNode(self) -> NozzleNode:
if not self._nozzle_node:
self._nozzle_node = NozzleNode()
return self._nozzle_node
def _onSceneChanged(self, node: "SceneNode") -> None:
if node.getMeshData() is None:
return
self.setActivity(False)
self.calculateMaxLayers()
self.calculateMaxPathsOnLayer(self._current_layer_num)
def isBusy(self) -> bool:
return self._busy
def setBusy(self, busy: bool) -> None:
if busy != self._busy:
self._busy = busy
self.busyChanged.emit()
def isSimulationRunning(self) -> bool:
return self._simulation_running
def setSimulationRunning(self, running: bool) -> None:
self._simulation_running = running
def resetLayerData(self) -> None:
self._current_layer_mesh = None
self._current_layer_jumps = None
self._max_feedrate = sys.float_info.min
self._min_feedrate = sys.float_info.max
self._max_thickness = sys.float_info.min
self._min_thickness = sys.float_info.max
def beginRendering(self) -> None:
scene = self.getController().getScene()
renderer = self.getRenderer()
if not self._ghost_shader:
self._ghost_shader = OpenGL.getInstance().createShaderProgram(Resources.getPath(Resources.Shaders, "color.shader"))
theme = CuraApplication.getInstance().getTheme()
if theme is not None:
self._ghost_shader.setUniformValue("u_color", Color(*theme.getColor("layerview_ghost").getRgb()))
for node in DepthFirstIterator(scene.getRoot()):
# We do not want to render ConvexHullNode as it conflicts with the bottom layers.
# However, it is somewhat relevant when the node is selected, so do render it then.
if type(node) is ConvexHullNode and not Selection.isSelected(cast(ConvexHullNode, node).getWatchedNode()):
continue
if not node.render(renderer):
if (node.getMeshData()) and node.isVisible():
renderer.queueNode(node, transparent = True, shader = self._ghost_shader)
def setLayer(self, value: int) -> None:
if self._current_layer_num != value:
self._current_layer_num = value
if self._current_layer_num < 0:
self._current_layer_num = 0
if self._current_layer_num > self._max_layers:
self._current_layer_num = self._max_layers
if self._current_layer_num < self._minimum_layer_num:
self._minimum_layer_num = self._current_layer_num
self._startUpdateTopLayers()
self.currentLayerNumChanged.emit()
def setMinimumLayer(self, value: int) -> None:
if self._minimum_layer_num != value:
self._minimum_layer_num = value
if self._minimum_layer_num < 0:
self._minimum_layer_num = 0
if self._minimum_layer_num > self._max_layers:
self._minimum_layer_num = self._max_layers
if self._minimum_layer_num > self._current_layer_num:
self._current_layer_num = self._minimum_layer_num
self._startUpdateTopLayers()
self.currentLayerNumChanged.emit()
def setPath(self, value: int) -> None:
if self._current_path_num != value:
self._current_path_num = value
if self._current_path_num < 0:
self._current_path_num = 0
if self._current_path_num > self._max_paths:
self._current_path_num = self._max_paths
if self._current_path_num < self._minimum_path_num:
self._minimum_path_num = self._current_path_num
self._startUpdateTopLayers()
self.currentPathNumChanged.emit()
def setMinimumPath(self, value: int) -> None:
if self._minimum_path_num != value:
self._minimum_path_num = value
if self._minimum_path_num < 0:
self._minimum_path_num = 0
if self._minimum_path_num > self._max_layers:
self._minimum_path_num = self._max_layers
if self._minimum_path_num > self._current_path_num:
self._current_path_num = self._minimum_path_num
self._startUpdateTopLayers()
self.currentPathNumChanged.emit()
## Set the layer view type
#
# \param layer_view_type integer as in SimulationView.qml and this class
def setSimulationViewType(self, layer_view_type: int) -> None:
self._layer_view_type = layer_view_type
self.currentLayerNumChanged.emit()
## Return the layer view type, integer as in SimulationView.qml and this class
def getSimulationViewType(self) -> int:
return self._layer_view_type
## Set the extruder opacity
#
# \param extruder_nr 0..3
# \param opacity 0.0 .. 1.0
def setExtruderOpacity(self, extruder_nr: int, opacity: float) -> None:
if 0 <= extruder_nr <= 3:
self._extruder_opacity[extruder_nr] = opacity
self.currentLayerNumChanged.emit()
def getExtruderOpacities(self)-> List[float]:
return self._extruder_opacity
def setShowTravelMoves(self, show):
self._show_travel_moves = show
self.currentLayerNumChanged.emit()
def getShowTravelMoves(self):
return self._show_travel_moves
def setShowHelpers(self, show: bool) -> None:
self._show_helpers = show
self.currentLayerNumChanged.emit()
def getShowHelpers(self) -> bool:
return self._show_helpers
def setShowSkin(self, show: bool) -> None:
self._show_skin = show
self.currentLayerNumChanged.emit()
def getShowSkin(self) -> bool:
return self._show_skin
def setShowInfill(self, show: bool) -> None:
self._show_infill = show
self.currentLayerNumChanged.emit()
def getShowInfill(self) -> bool:
return self._show_infill
def getCompatibilityMode(self) -> bool:
return self._compatibility_mode
def getExtruderCount(self) -> int:
return self._extruder_count
def getMinFeedrate(self) -> float:
if abs(self._min_feedrate - sys.float_info.max) < 10: # Some lenience due to floating point rounding.
return 0.0 # If it's still max-float, there are no measurements. Use 0 then.
return self._min_feedrate
def getMaxFeedrate(self) -> float:
return self._max_feedrate
def getMinThickness(self) -> float:
if abs(self._min_thickness - sys.float_info.max) < 10: # Some lenience due to floating point rounding.
return 0.0 # If it's still max-float, there are no measurements. Use 0 then.
return self._min_thickness
def getMaxThickness(self) -> float:
return self._max_thickness
def calculateMaxLayers(self) -> None:
scene = self.getController().getScene()
self._old_max_layers = self._max_layers
## Recalculate num max layers
new_max_layers = -1
for node in DepthFirstIterator(scene.getRoot()): # type: ignore
layer_data = node.callDecoration("getLayerData")
if not layer_data:
continue
self.setActivity(True)
min_layer_number = sys.maxsize
max_layer_number = -sys.maxsize
for layer_id in layer_data.getLayers():
# If a layer doesn't contain any polygons, skip it (for infill meshes taller than print objects
if len(layer_data.getLayer(layer_id).polygons) < 1:
continue
# Store the max and min feedrates and thicknesses for display purposes
for p in layer_data.getLayer(layer_id).polygons:
self._max_feedrate = max(float(p.lineFeedrates.max()), self._max_feedrate)
self._min_feedrate = min(float(p.lineFeedrates.min()), self._min_feedrate)
self._max_thickness = max(float(p.lineThicknesses.max()), self._max_thickness)
try:
self._min_thickness = min(float(p.lineThicknesses[numpy.nonzero(p.lineThicknesses)].min()), self._min_thickness)
except ValueError:
# Sometimes, when importing a GCode the line thicknesses are zero and so the minimum (avoiding
# the zero) can't be calculated
Logger.log("i", "Min thickness can't be calculated because all the values are zero")
if max_layer_number < layer_id:
max_layer_number = layer_id
if min_layer_number > layer_id:
min_layer_number = layer_id
layer_count = max_layer_number - min_layer_number
if new_max_layers < layer_count:
new_max_layers = layer_count
if new_max_layers >= 0 and new_max_layers != self._old_max_layers:
self._max_layers = new_max_layers
# The qt slider has a bit of weird behavior that if the maxvalue needs to be changed first
# if it's the largest value. If we don't do this, we can have a slider block outside of the
# slider.
if new_max_layers > self._current_layer_num:
self.maxLayersChanged.emit()
self.setLayer(int(self._max_layers))
else:
self.setLayer(int(self._max_layers))
self.maxLayersChanged.emit()
self._startUpdateTopLayers()
def calculateMaxPathsOnLayer(self, layer_num: int) -> None:
# Update the currentPath
scene = self.getController().getScene()
for node in DepthFirstIterator(scene.getRoot()): # type: ignore
layer_data = node.callDecoration("getLayerData")
if not layer_data:
continue
layer = layer_data.getLayer(layer_num)
if layer is None:
return
new_max_paths = layer.lineMeshElementCount()
if new_max_paths >= 0 and new_max_paths != self._max_paths:
self._max_paths = new_max_paths
self.maxPathsChanged.emit()
self.setPath(int(new_max_paths))
maxLayersChanged = Signal()
maxPathsChanged = Signal()
currentLayerNumChanged = Signal()
currentPathNumChanged = Signal()
globalStackChanged = Signal()
preferencesChanged = Signal()
busyChanged = Signal()
activityChanged = Signal()
## Hackish way to ensure the proxy is already created, which ensures that the layerview.qml is already created
# as this caused some issues.
def getProxy(self, engine, script_engine):
if self._proxy is None:
self._proxy = SimulationViewProxy(self)
return self._proxy
def endRendering(self) -> None:
pass
def event(self, event) -> bool:
modifiers = QApplication.keyboardModifiers()
ctrl_is_active = modifiers & Qt.ControlModifier
shift_is_active = modifiers & Qt.ShiftModifier
if event.type == Event.KeyPressEvent and ctrl_is_active:
amount = 10 if shift_is_active else 1
if event.key == KeyEvent.UpKey:
self.setLayer(self._current_layer_num + amount)
return True
if event.key == KeyEvent.DownKey:
self.setLayer(self._current_layer_num - amount)
return True
if event.type == Event.ViewActivateEvent:
# Start listening to changes.
Application.getInstance().getPreferences().preferenceChanged.connect(self._onPreferencesChanged)
self._controller.getScene().getRoot().childrenChanged.connect(self._onSceneChanged)
self.calculateMaxLayers()
self.calculateMaxPathsOnLayer(self._current_layer_num)
# FIX: on Max OS X, somehow QOpenGLContext.currentContext() can become None during View switching.
# This can happen when you do the following steps:
# 1. Start Cura
# 2. Load a model
# 3. Switch to Custom mode
# 4. Select the model and click on the per-object tool icon
# 5. Switch view to Layer view or X-Ray
# 6. Cura will very likely crash
# It seems to be a timing issue that the currentContext can somehow be empty, but I have no clue why.
# This fix tries to reschedule the view changing event call on the Qt thread again if the current OpenGL
# context is None.
if Platform.isOSX():
if QOpenGLContext.currentContext() is None:
Logger.log("d", "current context of OpenGL is empty on Mac OS X, will try to create shaders later")
CuraApplication.getInstance().callLater(lambda e=event: self.event(e))
return False
# Make sure the SimulationPass is created
layer_pass = self.getSimulationPass()
self.getRenderer().addRenderPass(layer_pass)
# Make sure the NozzleNode is add to the root
nozzle = self.getNozzleNode()
nozzle.setParent(self.getController().getScene().getRoot())
nozzle.setVisible(False)
Application.getInstance().globalContainerStackChanged.connect(self._onGlobalStackChanged)
self._onGlobalStackChanged()
if not self._simulationview_composite_shader:
plugin_path = cast(str, PluginRegistry.getInstance().getPluginPath("SimulationView"))
self._simulationview_composite_shader = OpenGL.getInstance().createShaderProgram(os.path.join(plugin_path, "simulationview_composite.shader"))
theme = CuraApplication.getInstance().getTheme()
if theme is not None:
self._simulationview_composite_shader.setUniformValue("u_background_color", Color(*theme.getColor("viewport_background").getRgb()))
self._simulationview_composite_shader.setUniformValue("u_outline_color", Color(*theme.getColor("model_selection_outline").getRgb()))
if not self._composite_pass:
self._composite_pass = cast(CompositePass, self.getRenderer().getRenderPass("composite"))
self._old_layer_bindings = self._composite_pass.getLayerBindings()[:] # make a copy so we can restore to it later
self._composite_pass.getLayerBindings().append("simulationview")
self._old_composite_shader = self._composite_pass.getCompositeShader()
self._composite_pass.setCompositeShader(self._simulationview_composite_shader)
elif event.type == Event.ViewDeactivateEvent:
self._controller.getScene().getRoot().childrenChanged.disconnect(self._onSceneChanged)
Application.getInstance().getPreferences().preferenceChanged.disconnect(self._onPreferencesChanged)
self._wireprint_warning_message.hide()
Application.getInstance().globalContainerStackChanged.disconnect(self._onGlobalStackChanged)
if self._global_container_stack:
self._global_container_stack.propertyChanged.disconnect(self._onPropertyChanged)
if self._nozzle_node:
self._nozzle_node.setParent(None)
self.getRenderer().removeRenderPass(self._layer_pass)
if self._composite_pass:
self._composite_pass.setLayerBindings(cast(List[str], self._old_layer_bindings))
self._composite_pass.setCompositeShader(cast(ShaderProgram, self._old_composite_shader))
return False
def getCurrentLayerMesh(self):
return self._current_layer_mesh
def getCurrentLayerJumps(self):
return self._current_layer_jumps
def _onGlobalStackChanged(self) -> None:
if self._global_container_stack:
self._global_container_stack.propertyChanged.disconnect(self._onPropertyChanged)
self._global_container_stack = Application.getInstance().getGlobalContainerStack()
if self._global_container_stack:
self._global_container_stack.propertyChanged.connect(self._onPropertyChanged)
self._extruder_count = self._global_container_stack.getProperty("machine_extruder_count", "value")
self._onPropertyChanged("wireframe_enabled", "value")
self.globalStackChanged.emit()
else:
self._wireprint_warning_message.hide()
def _onPropertyChanged(self, key: str, property_name: str) -> None:
if key == "wireframe_enabled" and property_name == "value":
if self._global_container_stack and self._global_container_stack.getProperty("wireframe_enabled", "value"):
self._wireprint_warning_message.show()
else:
self._wireprint_warning_message.hide()
def _onCurrentLayerNumChanged(self) -> None:
self.calculateMaxPathsOnLayer(self._current_layer_num)
def _startUpdateTopLayers(self) -> None:
if not self._compatibility_mode:
return
if self._top_layers_job:
self._top_layers_job.finished.disconnect(self._updateCurrentLayerMesh)
self._top_layers_job.cancel()
self.setBusy(True)
self._top_layers_job = _CreateTopLayersJob(self._controller.getScene(), self._current_layer_num, self._solid_layers)
self._top_layers_job.finished.connect(self._updateCurrentLayerMesh) # type: ignore # mypy doesn't understand the whole private class thing that's going on here.
self._top_layers_job.start() # type: ignore
def _updateCurrentLayerMesh(self, job: "_CreateTopLayersJob") -> None:
self.setBusy(False)
if not job.getResult():
return
self.resetLayerData() # Reset the layer data only when job is done. Doing it now prevents "blinking" data.
self._current_layer_mesh = job.getResult().get("layers")
if self._show_travel_moves:
self._current_layer_jumps = job.getResult().get("jumps")
self._controller.getScene().sceneChanged.emit(self._controller.getScene().getRoot())
self._top_layers_job = None
def _updateWithPreferences(self) -> None:
self._solid_layers = int(Application.getInstance().getPreferences().getValue("view/top_layer_count"))
self._only_show_top_layers = bool(Application.getInstance().getPreferences().getValue("view/only_show_top_layers"))
self._compatibility_mode = self._evaluateCompatibilityMode()
self.setSimulationViewType(int(float(Application.getInstance().getPreferences().getValue("layerview/layer_view_type"))))
for extruder_nr, extruder_opacity in enumerate(Application.getInstance().getPreferences().getValue("layerview/extruder_opacities").split("|")):
try:
opacity = float(extruder_opacity)
except ValueError:
opacity = 1.0
self.setExtruderOpacity(extruder_nr, opacity)
self.setShowTravelMoves(bool(Application.getInstance().getPreferences().getValue("layerview/show_travel_moves")))
self.setShowHelpers(bool(Application.getInstance().getPreferences().getValue("layerview/show_helpers")))
self.setShowSkin(bool(Application.getInstance().getPreferences().getValue("layerview/show_skin")))
self.setShowInfill(bool(Application.getInstance().getPreferences().getValue("layerview/show_infill")))
self._startUpdateTopLayers()
self.preferencesChanged.emit()
def _onPreferencesChanged(self, preference: str) -> None:
if preference not in {
"view/top_layer_count",
"view/only_show_top_layers",
"view/force_layer_view_compatibility_mode",
"layerview/layer_view_type",
"layerview/extruder_opacities",
"layerview/show_travel_moves",
"layerview/show_helpers",
"layerview/show_skin",
"layerview/show_infill",
}:
return
self._updateWithPreferences()
def exportProfile(self, instance_ids, file_name, file_type):
# Parse the fileType to deduce what plugin can save the file format.
# fileType has the format "<description> (*.<extension>)"
split = file_type.rfind(
" (*."
) # Find where the description ends and the extension starts.
if split < 0: # Not found. Invalid format.
Logger.log("e", "Invalid file format identifier %s", file_type)
return
description = file_type[:split]
extension = file_type[split + 4:-1] # Leave out the " (*." and ")".
if not file_name.endswith(
"." + extension
): # Auto-fill the extension if the user did not provide any.
file_name += "." + extension
# On Windows, QML FileDialog properly asks for overwrite confirm, but not on other platforms, so handle those ourself.
if not Platform.isWindows():
if os.path.exists(file_name):
result = QMessageBox.question(
None, catalog.i18nc("@title:window",
"File Already Exists"),
catalog.i18nc(
"@label",
"The file <filename>{0}</filename> already exists. Are you sure you want to overwrite it?"
).format(file_name))
if result == QMessageBox.No:
return
found_containers = []
extruder_positions = []
for instance_id in instance_ids:
containers = ContainerRegistry.getInstance(
).findInstanceContainers(id=instance_id)
if containers:
found_containers.append(containers[0])
# Determine the position of the extruder of this container
extruder_id = containers[0].getMetaDataEntry("extruder", "")
if extruder_id == "":
# Global stack
extruder_positions.append(-1)
else:
extruder_containers = ContainerRegistry.getInstance(
).findDefinitionContainers(id=extruder_id)
if extruder_containers:
extruder_positions.append(
int(extruder_containers[0].getMetaDataEntry(
"position", 0)))
else:
extruder_positions.append(0)
# Ensure the profiles are always exported in order (global, extruder 0, extruder 1, ...)
found_containers = [
containers
for (positions, containers
) in sorted(zip(extruder_positions, found_containers))
]
profile_writer = self._findProfileWriter(extension, description)
try:
success = profile_writer.write(file_name, found_containers)
except Exception as e:
Logger.log("e", "Failed to export profile to %s: %s", file_name,
str(e))
m = Message(catalog.i18nc(
"@info:status",
"Failed to export profile to <filename>{0}</filename>: <message>{1}</message>",
file_name, str(e)),
lifetime=0)
m.show()
return
if not success:
Logger.log(
"w",
"Failed to export profile to %s: Writer plugin reported failure.",
file_name)
m = Message(catalog.i18nc(
"@info:status",
"Failed to export profile to <filename>{0}</filename>: Writer plugin reported failure.",
file_name),
lifetime=0)
m.show()
return
m = Message(
catalog.i18nc("@info:status",
"Exported profile to <filename>{0}</filename>",
file_name))
m.show()
def run(self):
status_message = Message(
i18n_catalog.i18nc("@info:status",
"Multiplying and placing objects"),
lifetime=0,
dismissable=False,
progress=0,
title=i18n_catalog.i18nc("@info:title", "Placing Object"))
status_message.show()
scene = Application.getInstance().getController().getScene()
total_progress = len(self._objects) * self._count
current_progress = 0
root = scene.getRoot()
arranger = Arrange.create(scene_root=root)
nodes = []
for node in self._objects:
# If object is part of a group, multiply group
current_node = node
while current_node.getParent() and current_node.getParent(
).callDecoration("isGroup"):
current_node = current_node.getParent()
node_too_big = False
if node.getBoundingBox().width < 300 or node.getBoundingBox(
).depth < 300:
offset_shape_arr, hull_shape_arr = ShapeArray.fromNode(
current_node, min_offset=self._min_offset)
else:
node_too_big = True
found_solution_for_all = True
for i in range(self._count):
# We do place the nodes one by one, as we want to yield in between.
if not node_too_big:
new_node, solution_found = arranger.findNodePlacement(
current_node, offset_shape_arr, hull_shape_arr)
if node_too_big or not solution_found:
found_solution_for_all = False
new_location = new_node.getPosition()
new_location = new_location.set(z=100 - i * 20)
new_node.setPosition(new_location)
# Same build plate
build_plate_number = current_node.callDecoration(
"getBuildPlateNumber")
new_node.callDecoration("setBuildPlateNumber",
build_plate_number)
for child in new_node.getChildren():
child.callDecoration("setBuildPlateNumber",
build_plate_number)
nodes.append(new_node)
current_progress += 1
status_message.setProgress(
(current_progress / total_progress) * 100)
Job.yieldThread()
Job.yieldThread()
if nodes:
op = GroupedOperation()
for new_node in nodes:
op.addOperation(
AddSceneNodeOperation(new_node, current_node.getParent()))
op.push()
status_message.hide()
if not found_solution_for_all:
no_full_solution_message = Message(i18n_catalog.i18nc(
"@info:status",
"Unable to find a location within the build volume for all objects"
),
title=i18n_catalog.i18nc(
"@info:title",
"Placing Object"))
no_full_solution_message.show()
def _onSyncButtonClicked(self, sync_message: Message,
sync_message_action: str) -> None:
sync_message.hide()
self.discrepancies.emit(self._model)
class CuraEngineBackend(QObject, Backend):
backendError = Signal()
## Starts the back-end plug-in.
#
# This registers all the signal listeners and prepares for communication
# with the back-end in general.
# CuraEngineBackend is exposed to qml as well.
def __init__(self) -> None:
super().__init__()
# Find out where the engine is located, and how it is called.
# This depends on how Cura is packaged and which OS we are running on.
executable_name = "CuraEngine"
if Platform.isWindows():
executable_name += ".exe"
default_engine_location = executable_name
if os.path.exists(os.path.join(CuraApplication.getInstallPrefix(), "bin", executable_name)):
default_engine_location = os.path.join(CuraApplication.getInstallPrefix(), "bin", executable_name)
if hasattr(sys, "frozen"):
default_engine_location = os.path.join(os.path.dirname(os.path.abspath(sys.executable)), executable_name)
if Platform.isLinux() and not default_engine_location:
if not os.getenv("PATH"):
raise OSError("There is something wrong with your Linux installation.")
for pathdir in cast(str, os.getenv("PATH")).split(os.pathsep):
execpath = os.path.join(pathdir, executable_name)
if os.path.exists(execpath):
default_engine_location = execpath
break
self._application = CuraApplication.getInstance() #type: CuraApplication
self._multi_build_plate_model = None #type: Optional[MultiBuildPlateModel]
self._machine_error_checker = None #type: Optional[MachineErrorChecker]
if not default_engine_location:
raise EnvironmentError("Could not find CuraEngine")
Logger.log("i", "Found CuraEngine at: %s", default_engine_location)
default_engine_location = os.path.abspath(default_engine_location)
self._application.getPreferences().addPreference("backend/location", default_engine_location)
# Workaround to disable layer view processing if layer view is not active.
self._layer_view_active = False #type: bool
self._onActiveViewChanged()
self._stored_layer_data = [] #type: List[Arcus.PythonMessage]
self._stored_optimized_layer_data = {} #type: Dict[int, List[Arcus.PythonMessage]] # key is build plate number, then arrays are stored until they go to the ProcessSlicesLayersJob
self._scene = self._application.getController().getScene() #type: Scene
self._scene.sceneChanged.connect(self._onSceneChanged)
# Triggers for auto-slicing. Auto-slicing is triggered as follows:
# - auto-slicing is started with a timer
# - whenever there is a value change, we start the timer
# - sometimes an error check can get scheduled for a value change, in that case, we ONLY want to start the
# auto-slicing timer when that error check is finished
# If there is an error check, stop the auto-slicing timer, and only wait for the error check to be finished
# to start the auto-slicing timer again.
#
self._global_container_stack = None #type: Optional[ContainerStack]
# Listeners for receiving messages from the back-end.
self._message_handlers["cura.proto.Layer"] = self._onLayerMessage
self._message_handlers["cura.proto.LayerOptimized"] = self._onOptimizedLayerMessage
self._message_handlers["cura.proto.Progress"] = self._onProgressMessage
self._message_handlers["cura.proto.GCodeLayer"] = self._onGCodeLayerMessage
self._message_handlers["cura.proto.GCodePrefix"] = self._onGCodePrefixMessage
self._message_handlers["cura.proto.PrintTimeMaterialEstimates"] = self._onPrintTimeMaterialEstimates
self._message_handlers["cura.proto.SlicingFinished"] = self._onSlicingFinishedMessage
self._start_slice_job = None #type: Optional[StartSliceJob]
self._start_slice_job_build_plate = None #type: Optional[int]
self._slicing = False #type: bool # Are we currently slicing?
self._restart = False #type: bool # Back-end is currently restarting?
self._tool_active = False #type: bool # If a tool is active, some tasks do not have to do anything
self._always_restart = True #type: bool # Always restart the engine when starting a new slice. Don't keep the process running. TODO: Fix engine statelessness.
self._process_layers_job = None #type: Optional[ProcessSlicedLayersJob] # The currently active job to process layers, or None if it is not processing layers.
self._build_plates_to_be_sliced = [] #type: List[int] # what needs slicing?
self._engine_is_fresh = True #type: bool # Is the newly started engine used before or not?
self._backend_log_max_lines = 20000 #type: int # Maximum number of lines to buffer
self._error_message = None #type: Optional[Message] # Pop-up message that shows errors.
self._last_num_objects = defaultdict(int) #type: Dict[int, int] # Count number of objects to see if there is something changed
self._postponed_scene_change_sources = [] #type: List[SceneNode] # scene change is postponed (by a tool)
self._slice_start_time = None #type: Optional[float]
self._is_disabled = False #type: bool
self._application.getPreferences().addPreference("general/auto_slice", False)
self._use_timer = False #type: bool
# When you update a setting and other settings get changed through inheritance, many propertyChanged signals are fired.
# This timer will group them up, and only slice for the last setting changed signal.
# TODO: Properly group propertyChanged signals by whether they are triggered by the same user interaction.
self._change_timer = QTimer() #type: QTimer
self._change_timer.setSingleShot(True)
self._change_timer.setInterval(500)
self.determineAutoSlicing()
self._application.getPreferences().preferenceChanged.connect(self._onPreferencesChanged)
self._application.initializationFinished.connect(self.initialize)
def initialize(self) -> None:
self._multi_build_plate_model = self._application.getMultiBuildPlateModel()
self._application.getController().activeViewChanged.connect(self._onActiveViewChanged)
if self._multi_build_plate_model:
self._multi_build_plate_model.activeBuildPlateChanged.connect(self._onActiveViewChanged)
self._application.globalContainerStackChanged.connect(self._onGlobalStackChanged)
self._onGlobalStackChanged()
# extruder enable / disable. Actually wanted to use machine manager here, but the initialization order causes it to crash
ExtruderManager.getInstance().extrudersChanged.connect(self._extruderChanged)
self.backendQuit.connect(self._onBackendQuit)
self.backendConnected.connect(self._onBackendConnected)
# When a tool operation is in progress, don't slice. So we need to listen for tool operations.
self._application.getController().toolOperationStarted.connect(self._onToolOperationStarted)
self._application.getController().toolOperationStopped.connect(self._onToolOperationStopped)
self._machine_error_checker = self._application.getMachineErrorChecker()
self._machine_error_checker.errorCheckFinished.connect(self._onStackErrorCheckFinished)
## Terminate the engine process.
#
# This function should terminate the engine process.
# Called when closing the application.
def close(self) -> None:
# Terminate CuraEngine if it is still running at this point
self._terminate()
## Get the command that is used to call the engine.
# This is useful for debugging and used to actually start the engine.
# \return list of commands and args / parameters.
def getEngineCommand(self) -> List[str]:
json_path = Resources.getPath(Resources.DefinitionContainers, "fdmprinter.def.json")
return [self._application.getPreferences().getValue("backend/location"), "connect", "127.0.0.1:{0}".format(self._port), "-j", json_path, ""]
## Emitted when we get a message containing print duration and material amount.
# This also implies the slicing has finished.
# \param time The amount of time the print will take.
# \param material_amount The amount of material the print will use.
printDurationMessage = Signal()
## Emitted when the slicing process starts.
slicingStarted = Signal()
## Emitted when the slicing process is aborted forcefully.
slicingCancelled = Signal()
@pyqtSlot()
def stopSlicing(self) -> None:
self.backendStateChange.emit(BackendState.NotStarted)
if self._slicing: # We were already slicing. Stop the old job.
self._terminate()
self._createSocket()
if self._process_layers_job is not None: # We were processing layers. Stop that, the layers are going to change soon.
Logger.log("d", "Aborting process layers job...")
self._process_layers_job.abort()
self._process_layers_job = None
if self._error_message:
self._error_message.hide()
## Manually triggers a reslice
@pyqtSlot()
def forceSlice(self) -> None:
self.markSliceAll()
self.slice()
## Perform a slice of the scene.
def slice(self) -> None:
Logger.log("d", "Starting to slice...")
self._slice_start_time = time()
if not self._build_plates_to_be_sliced:
self.processingProgress.emit(1.0)
Logger.log("w", "Slice unnecessary, nothing has changed that needs reslicing.")
return
if self._process_layers_job:
Logger.log("d", "Process layers job still busy, trying later.")
return
if not hasattr(self._scene, "gcode_dict"):
self._scene.gcode_dict = {} #type: ignore #Because we are creating the missing attribute here.
# see if we really have to slice
active_build_plate = self._application.getMultiBuildPlateModel().activeBuildPlate
build_plate_to_be_sliced = self._build_plates_to_be_sliced.pop(0)
Logger.log("d", "Going to slice build plate [%s]!" % build_plate_to_be_sliced)
num_objects = self._numObjectsPerBuildPlate()
self._stored_layer_data = []
self._stored_optimized_layer_data[build_plate_to_be_sliced] = []
if build_plate_to_be_sliced not in num_objects or num_objects[build_plate_to_be_sliced] == 0:
self._scene.gcode_dict[build_plate_to_be_sliced] = [] #type: ignore #Because we created this attribute above.
Logger.log("d", "Build plate %s has no objects to be sliced, skipping", build_plate_to_be_sliced)
if self._build_plates_to_be_sliced:
self.slice()
return
if self._application.getPrintInformation() and build_plate_to_be_sliced == active_build_plate:
self._application.getPrintInformation().setToZeroPrintInformation(build_plate_to_be_sliced)
if self._process is None: # type: ignore
self._createSocket()
self.stopSlicing()
self._engine_is_fresh = False # Yes we're going to use the engine
self.processingProgress.emit(0.0)
self.backendStateChange.emit(BackendState.NotStarted)
self._scene.gcode_dict[build_plate_to_be_sliced] = [] #type: ignore #[] indexed by build plate number
self._slicing = True
self.slicingStarted.emit()
self.determineAutoSlicing() # Switch timer on or off if appropriate
slice_message = self._socket.createMessage("cura.proto.Slice")
self._start_slice_job = StartSliceJob(slice_message)
self._start_slice_job_build_plate = build_plate_to_be_sliced
self._start_slice_job.setBuildPlate(self._start_slice_job_build_plate)
self._start_slice_job.start()
self._start_slice_job.finished.connect(self._onStartSliceCompleted)
## Terminate the engine process.
# Start the engine process by calling _createSocket()
def _terminate(self) -> None:
self._slicing = False
self._stored_layer_data = []
if self._start_slice_job_build_plate in self._stored_optimized_layer_data:
del self._stored_optimized_layer_data[self._start_slice_job_build_plate]
if self._start_slice_job is not None:
self._start_slice_job.cancel()
self.slicingCancelled.emit()
self.processingProgress.emit(0)
Logger.log("d", "Attempting to kill the engine process")
if self._application.getUseExternalBackend():
return
if self._process is not None: # type: ignore
Logger.log("d", "Killing engine process")
try:
self._process.terminate() # type: ignore
Logger.log("d", "Engine process is killed. Received return code %s", self._process.wait()) # type: ignore
self._process = None # type: ignore
except Exception as e: # terminating a process that is already terminating causes an exception, silently ignore this.
Logger.log("d", "Exception occurred while trying to kill the engine %s", str(e))
## Event handler to call when the job to initiate the slicing process is
# completed.
#
# When the start slice job is successfully completed, it will be happily
# slicing. This function handles any errors that may occur during the
# bootstrapping of a slice job.
#
# \param job The start slice job that was just finished.
def _onStartSliceCompleted(self, job: StartSliceJob) -> None:
if self._error_message:
self._error_message.hide()
# Note that cancelled slice jobs can still call this method.
if self._start_slice_job is job:
self._start_slice_job = None
if job.isCancelled() or job.getError() or job.getResult() == StartJobResult.Error:
self.backendStateChange.emit(BackendState.Error)
self.backendError.emit(job)
return
if job.getResult() == StartJobResult.MaterialIncompatible:
if self._application.platformActivity:
self._error_message = Message(catalog.i18nc("@info:status",
"Unable to slice with the current material as it is incompatible with the selected machine or configuration."), title = catalog.i18nc("@info:title", "Unable to slice"))
self._error_message.show()
self.backendStateChange.emit(BackendState.Error)
self.backendError.emit(job)
else:
self.backendStateChange.emit(BackendState.NotStarted)
return
if job.getResult() == StartJobResult.SettingError:
if self._application.platformActivity:
if not self._global_container_stack:
Logger.log("w", "Global container stack not assigned to CuraEngineBackend!")
return
extruders = list(ExtruderManager.getInstance().getMachineExtruders(self._global_container_stack.getId()))
error_keys = [] #type: List[str]
for extruder in extruders:
error_keys.extend(extruder.getErrorKeys())
if not extruders:
error_keys = self._global_container_stack.getErrorKeys()
error_labels = set()
for key in error_keys:
for stack in [self._global_container_stack] + extruders: #Search all container stacks for the definition of this setting. Some are only in an extruder stack.
definitions = cast(DefinitionContainerInterface, stack.getBottom()).findDefinitions(key = key)
if definitions:
break #Found it! No need to continue search.
else: #No stack has a definition for this setting.
Logger.log("w", "When checking settings for errors, unable to find definition for key: {key}".format(key = key))
continue
error_labels.add(definitions[0].label)
self._error_message = Message(catalog.i18nc("@info:status", "Unable to slice with the current settings. The following settings have errors: {0}").format(", ".join(error_labels)),
title = catalog.i18nc("@info:title", "Unable to slice"))
self._error_message.show()
self.backendStateChange.emit(BackendState.Error)
self.backendError.emit(job)
else:
self.backendStateChange.emit(BackendState.NotStarted)
return
elif job.getResult() == StartJobResult.ObjectSettingError:
errors = {}
for node in DepthFirstIterator(self._application.getController().getScene().getRoot()): #type: ignore #Ignore type error because iter() should get called automatically by Python syntax.
stack = node.callDecoration("getStack")
if not stack:
continue
for key in stack.getErrorKeys():
if not self._global_container_stack:
Logger.log("e", "CuraEngineBackend does not have global_container_stack assigned.")
continue
definition = cast(DefinitionContainerInterface, self._global_container_stack.getBottom()).findDefinitions(key = key)
if not definition:
Logger.log("e", "When checking settings for errors, unable to find definition for key {key} in per-object stack.".format(key = key))
continue
errors[key] = definition[0].label
self._error_message = Message(catalog.i18nc("@info:status", "Unable to slice due to some per-model settings. The following settings have errors on one or more models: {error_labels}").format(error_labels = ", ".join(errors.values())),
title = catalog.i18nc("@info:title", "Unable to slice"))
self._error_message.show()
self.backendStateChange.emit(BackendState.Error)
self.backendError.emit(job)
return
if job.getResult() == StartJobResult.BuildPlateError:
if self._application.platformActivity:
self._error_message = Message(catalog.i18nc("@info:status", "Unable to slice because the prime tower or prime position(s) are invalid."),
title = catalog.i18nc("@info:title", "Unable to slice"))
self._error_message.show()
self.backendStateChange.emit(BackendState.Error)
self.backendError.emit(job)
else:
self.backendStateChange.emit(BackendState.NotStarted)
if job.getResult() == StartJobResult.ObjectsWithDisabledExtruder:
self._error_message = Message(catalog.i18nc("@info:status", "Unable to slice because there are objects associated with disabled Extruder %s." % job.getMessage()),
title = catalog.i18nc("@info:title", "Unable to slice"))
self._error_message.show()
self.backendStateChange.emit(BackendState.Error)
self.backendError.emit(job)
return
if job.getResult() == StartJobResult.NothingToSlice:
if self._application.platformActivity:
self._error_message = Message(catalog.i18nc("@info:status", "Nothing to slice because none of the models fit the build volume. Please scale or rotate models to fit."),
title = catalog.i18nc("@info:title", "Unable to slice"))
self._error_message.show()
self.backendStateChange.emit(BackendState.Error)
self.backendError.emit(job)
else:
self.backendStateChange.emit(BackendState.NotStarted)
self._invokeSlice()
return
# Preparation completed, send it to the backend.
self._socket.sendMessage(job.getSliceMessage())
# Notify the user that it's now up to the backend to do it's job
self.backendStateChange.emit(BackendState.Processing)
if self._slice_start_time:
Logger.log("d", "Sending slice message took %s seconds", time() - self._slice_start_time )
## Determine enable or disable auto slicing. Return True for enable timer and False otherwise.
# It disables when
# - preference auto slice is off
# - decorator isBlockSlicing is found (used in g-code reader)
def determineAutoSlicing(self) -> bool:
enable_timer = True
self._is_disabled = False
if not self._application.getPreferences().getValue("general/auto_slice"):
enable_timer = False
for node in DepthFirstIterator(self._scene.getRoot()): #type: ignore #Ignore type error because iter() should get called automatically by Python syntax.
if node.callDecoration("isBlockSlicing"):
enable_timer = False
self.backendStateChange.emit(BackendState.Disabled)
self._is_disabled = True
gcode_list = node.callDecoration("getGCodeList")
if gcode_list is not None:
self._scene.gcode_dict[node.callDecoration("getBuildPlateNumber")] = gcode_list #type: ignore #Because we generate this attribute dynamically.
if self._use_timer == enable_timer:
return self._use_timer
if enable_timer:
self.backendStateChange.emit(BackendState.NotStarted)
self.enableTimer()
return True
else:
self.disableTimer()
return False
## Return a dict with number of objects per build plate
def _numObjectsPerBuildPlate(self) -> Dict[int, int]:
num_objects = defaultdict(int) #type: Dict[int, int]
for node in DepthFirstIterator(self._scene.getRoot()): #type: ignore #Ignore type error because iter() should get called automatically by Python syntax.
# Only count sliceable objects
if node.callDecoration("isSliceable"):
build_plate_number = node.callDecoration("getBuildPlateNumber")
if build_plate_number is not None:
num_objects[build_plate_number] += 1
return num_objects
## Listener for when the scene has changed.
#
# This should start a slice if the scene is now ready to slice.
#
# \param source The scene node that was changed.
def _onSceneChanged(self, source: SceneNode) -> None:
if not isinstance(source, SceneNode):
return
# This case checks if the source node is a node that contains GCode. In this case the
# current layer data is removed so the previous data is not rendered - CURA-4821
if source.callDecoration("isBlockSlicing") and source.callDecoration("getLayerData"):
self._stored_optimized_layer_data = {}
build_plate_changed = set()
source_build_plate_number = source.callDecoration("getBuildPlateNumber")
if source == self._scene.getRoot():
# we got the root node
num_objects = self._numObjectsPerBuildPlate()
for build_plate_number in list(self._last_num_objects.keys()) + list(num_objects.keys()):
if build_plate_number not in self._last_num_objects or num_objects[build_plate_number] != self._last_num_objects[build_plate_number]:
self._last_num_objects[build_plate_number] = num_objects[build_plate_number]
build_plate_changed.add(build_plate_number)
else:
# we got a single scenenode
if not source.callDecoration("isGroup"):
mesh_data = source.getMeshData()
if mesh_data is None or mesh_data.getVertices() is None:
return
# There are some SceneNodes that do not have any build plate associated, then do not add to the list.
if source_build_plate_number is not None:
build_plate_changed.add(source_build_plate_number)
if not build_plate_changed:
return
if self._tool_active:
# do it later, each source only has to be done once
if source not in self._postponed_scene_change_sources:
self._postponed_scene_change_sources.append(source)
return
self.stopSlicing()
for build_plate_number in build_plate_changed:
if build_plate_number not in self._build_plates_to_be_sliced:
self._build_plates_to_be_sliced.append(build_plate_number)
self.printDurationMessage.emit(source_build_plate_number, {}, [])
self.processingProgress.emit(0.0)
self.backendStateChange.emit(BackendState.NotStarted)
# if not self._use_timer:
# With manually having to slice, we want to clear the old invalid layer data.
self._clearLayerData(build_plate_changed)
self._invokeSlice()
## Called when an error occurs in the socket connection towards the engine.
#
# \param error The exception that occurred.
def _onSocketError(self, error: Arcus.Error) -> None:
if self._application.isShuttingDown():
return
super()._onSocketError(error)
if error.getErrorCode() == Arcus.ErrorCode.Debug:
return
self._terminate()
self._createSocket()
if error.getErrorCode() not in [Arcus.ErrorCode.BindFailedError, Arcus.ErrorCode.ConnectionResetError, Arcus.ErrorCode.Debug]:
Logger.log("w", "A socket error caused the connection to be reset")
# _terminate()' function sets the job status to 'cancel', after reconnecting to another Port the job status
# needs to be updated. Otherwise backendState is "Unable To Slice"
if error.getErrorCode() == Arcus.ErrorCode.BindFailedError and self._start_slice_job is not None:
self._start_slice_job.setIsCancelled(False)
## Remove old layer data (if any)
def _clearLayerData(self, build_plate_numbers: Set = None) -> None:
# Clear out any old gcode
self._scene.gcode_dict = {} # type: ignore
for node in DepthFirstIterator(self._scene.getRoot()): #type: ignore #Ignore type error because iter() should get called automatically by Python syntax.
if node.callDecoration("getLayerData"):
if not build_plate_numbers or node.callDecoration("getBuildPlateNumber") in build_plate_numbers:
node.getParent().removeChild(node)
def markSliceAll(self) -> None:
for build_plate_number in range(self._application.getMultiBuildPlateModel().maxBuildPlate + 1):
if build_plate_number not in self._build_plates_to_be_sliced:
self._build_plates_to_be_sliced.append(build_plate_number)
## Convenient function: mark everything to slice, emit state and clear layer data
def needsSlicing(self) -> None:
self.stopSlicing()
self.markSliceAll()
self.processingProgress.emit(0.0)
self.backendStateChange.emit(BackendState.NotStarted)
if not self._use_timer:
# With manually having to slice, we want to clear the old invalid layer data.
self._clearLayerData()
## A setting has changed, so check if we must reslice.
# \param instance The setting instance that has changed.
# \param property The property of the setting instance that has changed.
def _onSettingChanged(self, instance: SettingInstance, property: str) -> None:
if property == "value": # Only reslice if the value has changed.
self.needsSlicing()
self._onChanged()
elif property == "validationState":
if self._use_timer:
self._change_timer.stop()
def _onStackErrorCheckFinished(self) -> None:
self.determineAutoSlicing()
if self._is_disabled:
return
if not self._slicing and self._build_plates_to_be_sliced:
self.needsSlicing()
self._onChanged()
## Called when a sliced layer data message is received from the engine.
#
# \param message The protobuf message containing sliced layer data.
def _onLayerMessage(self, message: Arcus.PythonMessage) -> None:
self._stored_layer_data.append(message)
## Called when an optimized sliced layer data message is received from the engine.
#
# \param message The protobuf message containing sliced layer data.
def _onOptimizedLayerMessage(self, message: Arcus.PythonMessage) -> None:
if self._start_slice_job_build_plate is not None:
if self._start_slice_job_build_plate not in self._stored_optimized_layer_data:
self._stored_optimized_layer_data[self._start_slice_job_build_plate] = []
self._stored_optimized_layer_data[self._start_slice_job_build_plate].append(message)
## Called when a progress message is received from the engine.
#
# \param message The protobuf message containing the slicing progress.
def _onProgressMessage(self, message: Arcus.PythonMessage) -> None:
self.processingProgress.emit(message.amount)
self.backendStateChange.emit(BackendState.Processing)
def _invokeSlice(self) -> None:
if self._use_timer:
# if the error check is scheduled, wait for the error check finish signal to trigger auto-slice,
# otherwise business as usual
if self._machine_error_checker is None:
self._change_timer.stop()
return
if self._machine_error_checker.needToWaitForResult:
self._change_timer.stop()
else:
self._change_timer.start()
## Called when the engine sends a message that slicing is finished.
#
# \param message The protobuf message signalling that slicing is finished.
def _onSlicingFinishedMessage(self, message: Arcus.PythonMessage) -> None:
self.backendStateChange.emit(BackendState.Done)
self.processingProgress.emit(1.0)
gcode_list = self._scene.gcode_dict[self._start_slice_job_build_plate] #type: ignore #Because we generate this attribute dynamically.
for index, line in enumerate(gcode_list):
replaced = line.replace("{print_time}", str(self._application.getPrintInformation().currentPrintTime.getDisplayString(DurationFormat.Format.ISO8601)))
replaced = replaced.replace("{filament_amount}", str(self._application.getPrintInformation().materialLengths))
replaced = replaced.replace("{filament_weight}", str(self._application.getPrintInformation().materialWeights))
replaced = replaced.replace("{filament_cost}", str(self._application.getPrintInformation().materialCosts))
replaced = replaced.replace("{jobname}", str(self._application.getPrintInformation().jobName))
gcode_list[index] = replaced
self._slicing = False
if self._slice_start_time:
Logger.log("d", "Slicing took %s seconds", time() - self._slice_start_time )
Logger.log("d", "Number of models per buildplate: %s", dict(self._numObjectsPerBuildPlate()))
# See if we need to process the sliced layers job.
active_build_plate = self._application.getMultiBuildPlateModel().activeBuildPlate
if (
self._layer_view_active and
(self._process_layers_job is None or not self._process_layers_job.isRunning()) and
active_build_plate == self._start_slice_job_build_plate and
active_build_plate not in self._build_plates_to_be_sliced):
self._startProcessSlicedLayersJob(active_build_plate)
# self._onActiveViewChanged()
self._start_slice_job_build_plate = None
Logger.log("d", "See if there is more to slice...")
# Somehow this results in an Arcus Error
# self.slice()
# Call slice again using the timer, allowing the backend to restart
if self._build_plates_to_be_sliced:
self.enableTimer() # manually enable timer to be able to invoke slice, also when in manual slice mode
self._invokeSlice()
## Called when a g-code message is received from the engine.
#
# \param message The protobuf message containing g-code, encoded as UTF-8.
def _onGCodeLayerMessage(self, message: Arcus.PythonMessage) -> None:
self._scene.gcode_dict[self._start_slice_job_build_plate].append(message.data.decode("utf-8", "replace")) #type: ignore #Because we generate this attribute dynamically.
## Called when a g-code prefix message is received from the engine.
#
# \param message The protobuf message containing the g-code prefix,
# encoded as UTF-8.
def _onGCodePrefixMessage(self, message: Arcus.PythonMessage) -> None:
self._scene.gcode_dict[self._start_slice_job_build_plate].insert(0, message.data.decode("utf-8", "replace")) #type: ignore #Because we generate this attribute dynamically.
## Creates a new socket connection.
def _createSocket(self, protocol_file: str = None) -> None:
if not protocol_file:
plugin_path = PluginRegistry.getInstance().getPluginPath(self.getPluginId())
if not plugin_path:
Logger.log("e", "Could not get plugin path!", self.getPluginId())
return
protocol_file = os.path.abspath(os.path.join(plugin_path, "Cura.proto"))
super()._createSocket(protocol_file)
self._engine_is_fresh = True
## Called when anything has changed to the stuff that needs to be sliced.
#
# This indicates that we should probably re-slice soon.
def _onChanged(self, *args: Any, **kwargs: Any) -> None:
self.needsSlicing()
if self._use_timer:
# if the error check is scheduled, wait for the error check finish signal to trigger auto-slice,
# otherwise business as usual
if self._machine_error_checker is None:
self._change_timer.stop()
return
if self._machine_error_checker.needToWaitForResult:
self._change_timer.stop()
else:
self._change_timer.start()
## Called when a print time message is received from the engine.
#
# \param message The protobuf message containing the print time per feature and
# material amount per extruder
def _onPrintTimeMaterialEstimates(self, message: Arcus.PythonMessage) -> None:
material_amounts = []
for index in range(message.repeatedMessageCount("materialEstimates")):
material_amounts.append(message.getRepeatedMessage("materialEstimates", index).material_amount)
times = self._parseMessagePrintTimes(message)
self.printDurationMessage.emit(self._start_slice_job_build_plate, times, material_amounts)
## Called for parsing message to retrieve estimated time per feature
#
# \param message The protobuf message containing the print time per feature
def _parseMessagePrintTimes(self, message: Arcus.PythonMessage) -> Dict[str, float]:
result = {
"inset_0": message.time_inset_0,
"inset_x": message.time_inset_x,
"skin": message.time_skin,
"infill": message.time_infill,
"support_infill": message.time_support_infill,
"support_interface": message.time_support_interface,
"support": message.time_support,
"skirt": message.time_skirt,
"travel": message.time_travel,
"retract": message.time_retract,
"none": message.time_none
}
return result
## Called when the back-end connects to the front-end.
def _onBackendConnected(self) -> None:
if self._restart:
self._restart = False
self._onChanged()
## Called when the user starts using some tool.
#
# When the user starts using a tool, we should pause slicing to prevent
# continuously slicing while the user is dragging some tool handle.
#
# \param tool The tool that the user is using.
def _onToolOperationStarted(self, tool: Tool) -> None:
self._tool_active = True # Do not react on scene change
self.disableTimer()
# Restart engine as soon as possible, we know we want to slice afterwards
if not self._engine_is_fresh:
self._terminate()
self._createSocket()
## Called when the user stops using some tool.
#
# This indicates that we can safely start slicing again.
#
# \param tool The tool that the user was using.
def _onToolOperationStopped(self, tool: Tool) -> None:
self._tool_active = False # React on scene change again
self.determineAutoSlicing() # Switch timer on if appropriate
# Process all the postponed scene changes
while self._postponed_scene_change_sources:
source = self._postponed_scene_change_sources.pop(0)
self._onSceneChanged(source)
def _startProcessSlicedLayersJob(self, build_plate_number: int) -> None:
self._process_layers_job = ProcessSlicedLayersJob(self._stored_optimized_layer_data[build_plate_number])
self._process_layers_job.setBuildPlate(build_plate_number)
self._process_layers_job.finished.connect(self._onProcessLayersFinished)
self._process_layers_job.start()
## Called when the user changes the active view mode.
def _onActiveViewChanged(self) -> None:
view = self._application.getController().getActiveView()
if view:
active_build_plate = self._application.getMultiBuildPlateModel().activeBuildPlate
if view.getPluginId() == "SimulationView": # If switching to layer view, we should process the layers if that hasn't been done yet.
self._layer_view_active = True
# There is data and we're not slicing at the moment
# if we are slicing, there is no need to re-calculate the data as it will be invalid in a moment.
# TODO: what build plate I am slicing
if (active_build_plate in self._stored_optimized_layer_data and
not self._slicing and
not self._process_layers_job and
active_build_plate not in self._build_plates_to_be_sliced):
self._startProcessSlicedLayersJob(active_build_plate)
else:
self._layer_view_active = False
## Called when the back-end self-terminates.
#
# We should reset our state and start listening for new connections.
def _onBackendQuit(self) -> None:
if not self._restart:
if self._process: # type: ignore
Logger.log("d", "Backend quit with return code %s. Resetting process and socket.", self._process.wait()) # type: ignore
self._process = None # type: ignore
## Called when the global container stack changes
def _onGlobalStackChanged(self) -> None:
if self._global_container_stack:
self._global_container_stack.propertyChanged.disconnect(self._onSettingChanged)
self._global_container_stack.containersChanged.disconnect(self._onChanged)
extruders = list(self._global_container_stack.extruders.values())
for extruder in extruders:
extruder.propertyChanged.disconnect(self._onSettingChanged)
extruder.containersChanged.disconnect(self._onChanged)
self._global_container_stack = self._application.getGlobalContainerStack()
if self._global_container_stack:
self._global_container_stack.propertyChanged.connect(self._onSettingChanged) # Note: Only starts slicing when the value changed.
self._global_container_stack.containersChanged.connect(self._onChanged)
extruders = list(self._global_container_stack.extruders.values())
for extruder in extruders:
extruder.propertyChanged.connect(self._onSettingChanged)
extruder.containersChanged.connect(self._onChanged)
self._onChanged()
def _onProcessLayersFinished(self, job: ProcessSlicedLayersJob) -> None:
del self._stored_optimized_layer_data[job.getBuildPlate()]
self._process_layers_job = None
Logger.log("d", "See if there is more to slice(2)...")
self._invokeSlice()
## Connect slice function to timer.
def enableTimer(self) -> None:
if not self._use_timer:
self._change_timer.timeout.connect(self.slice)
self._use_timer = True
## Disconnect slice function from timer.
# This means that slicing will not be triggered automatically
def disableTimer(self) -> None:
if self._use_timer:
self._use_timer = False
self._change_timer.timeout.disconnect(self.slice)
def _onPreferencesChanged(self, preference: str) -> None:
if preference != "general/auto_slice":
return
auto_slice = self.determineAutoSlicing()
if auto_slice:
self._change_timer.start()
## Tickle the backend so in case of auto slicing, it starts the timer.
def tickle(self) -> None:
if self._use_timer:
self._change_timer.start()
def _extruderChanged(self) -> None:
if not self._multi_build_plate_model:
Logger.log("w", "CuraEngineBackend does not have multi_build_plate_model assigned!")
return
for build_plate_number in range(self._multi_build_plate_model.maxBuildPlate + 1):
if build_plate_number not in self._build_plates_to_be_sliced:
self._build_plates_to_be_sliced.append(build_plate_number)
self._invokeSlice()
def requestWrite(self,
nodes,
file_name=None,
filter_by_machine=False,
file_handler=None,
**kwargs):
"""Request the specified nodes to be written to the removable drive.
:param nodes: A collection of scene nodes that should be written to the
removable drive.
:param file_name: :type{string} A suggestion for the file name to write to.
If none is provided, a file name will be made from the names of the
meshes.
:param limit_mimetypes: Should we limit the available MIME types to the
MIME types available to the currently active machine?
"""
filter_by_machine = True # This plugin is intended to be used by machine (regardless of what it was told to do)
if self._writing:
raise OutputDeviceError.DeviceBusyError()
# Formats supported by this application (File types that we can actually write)
if file_handler:
file_formats = file_handler.getSupportedFileTypesWrite()
else:
file_formats = Application.getInstance().getMeshFileHandler(
).getSupportedFileTypesWrite()
if filter_by_machine:
container = Application.getInstance().getGlobalContainerStack(
).findContainer({"file_formats": "*"})
# Create a list from supported file formats string
machine_file_formats = [
file_type.strip() for file_type in container.getMetaDataEntry(
"file_formats").split(";")
]
# Take the intersection between file_formats and machine_file_formats.
format_by_mimetype = {
format["mime_type"]: format
for format in file_formats
}
file_formats = [
format_by_mimetype[mimetype]
for mimetype in machine_file_formats
if mimetype in format_by_mimetype
] # Keep them ordered according to the preference in machine_file_formats.
if len(file_formats) == 0:
Logger.log("e",
"There are no file formats available to write with!")
raise OutputDeviceError.WriteRequestFailedError(
catalog.i18nc(
"@info:status",
"There are no file formats available to write with!"))
preferred_format = file_formats[0]
# Just take the first file format available.
if file_handler is not None:
writer = file_handler.getWriterByMimeType(
preferred_format["mime_type"])
else:
writer = Application.getInstance().getMeshFileHandler(
).getWriterByMimeType(preferred_format["mime_type"])
extension = preferred_format["extension"]
if file_name is None:
file_name = self._automaticFileName(nodes)
if extension: # Not empty string.
extension = "." + extension
file_name = os.path.join(self.getId(), file_name + extension)
try:
Logger.log("d", "Writing to %s", file_name)
# Using buffering greatly reduces the write time for many lines of gcode
if preferred_format["mode"] == FileWriter.OutputMode.TextMode:
self._stream = open(file_name,
"wt",
buffering=1,
encoding="utf-8")
else: #Binary mode.
self._stream = open(file_name, "wb", buffering=1)
job = WriteFileJob(writer, self._stream, nodes,
preferred_format["mode"])
job.setFileName(file_name)
job.progress.connect(self._onProgress)
job.finished.connect(self._onFinished)
message = Message(
catalog.i18nc(
"@info:progress Don't translate the XML tags <filename>!",
"Saving to Removable Drive <filename>{0}</filename>").
format(self.getName()), 0, False, -1,
catalog.i18nc("@info:title", "Saving"))
message.show()
self.writeStarted.emit(self)
job.setMessage(message)
self._writing = True
job.start()
except PermissionError as e:
Logger.log("e", "Permission denied when trying to write to %s: %s",
file_name, str(e))
raise OutputDeviceError.PermissionDeniedError(
catalog.i18nc(
"@info:status Don't translate the XML tags <filename> or <message>!",
"Could not save to <filename>{0}</filename>: <message>{1}</message>"
).format(file_name, str(e))) from e
except OSError as e:
Logger.log("e",
"Operating system would not let us write to %s: %s",
file_name, str(e))
raise OutputDeviceError.WriteRequestFailedError(
catalog.i18nc(
"@info:status Don't translate the XML tags <filename> or <message>!",
"Could not save to <filename>{0}</filename>: <message>{1}</message>"
).format(file_name, str(e))) from e
def _onFinished(self, job):
if self._stream:
# Explicitly closing the stream flushes the write-buffer
try:
self._stream.close()
self._stream = None
except:
Logger.logException(
"w",
"An execption occured while trying to write to removable drive."
)
message = Message(catalog.i18nc(
"@info:status",
"Could not save to removable drive {0}: {1}").format(
self.getName(), str(job.getError())),
title=catalog.i18nc("@info:title", "Error"))
message.show()
self.writeError.emit(self)
return
self._writing = False
self.writeFinished.emit(self)
if job.getResult():
message = Message(catalog.i18nc(
"@info:status", "Saved to Removable Drive {0} as {1}").format(
self.getName(), os.path.basename(job.getFileName())),
title=catalog.i18nc("@info:title", "File Saved"))
message.addAction(
"eject", catalog.i18nc("@action:button", "Eject"), "eject",
catalog.i18nc("@action", "Eject removable device {0}").format(
self.getName()))
message.actionTriggered.connect(self._onActionTriggered)
message.show()
self.writeSuccess.emit(self)
else:
message = Message(catalog.i18nc(
"@info:status",
"Could not save to removable drive {0}: {1}").format(
self.getName(), str(job.getError())),
title=catalog.i18nc("@info:title", "Warning"))
message.show()
self.writeError.emit(self)
job.getStream().close()
