def load_file(self, file_name, mesh_builder, _use_numpystl = False):
file_read = False
if _use_numpystl:
Logger.log("i", "Using NumPy-STL to load STL data.")
try:
self._loadWithNumpySTL(file_name, mesh_builder)
file_read = True
except:
Logger.logException("e", "Reading file failed with Numpy-STL!")
if not file_read:
Logger.log("i", "Using legacy code to load STL data.")
f = open(file_name, "rb")
if not self._loadBinary(mesh_builder, f):
f.close()
f = open(file_name, "rt", encoding = "utf-8")
try:
self._loadAscii(mesh_builder, f)
except UnicodeDecodeError:
return None
f.close()
Job.yieldThread() # Yield somewhat to ensure the GUI has time to update a bit.
mesh_builder.calculateNormals(fast = True)
mesh_builder.setFileName(file_name)
def _buildGlobalSettingsMessage(self, stack):
keys = stack.getAllKeys()
settings = {}
for key in keys:
# Use resolvement value if available, or take the value
resolved_value = stack.getProperty(key, "resolve")
if resolved_value is not None:
# There is a resolvement value. Check if we need to use it.
user_container = stack.findContainer({"type": "user"})
quality_changes_container = stack.findContainer({"type": "quality_changes"})
if user_container.hasProperty(key,"value") or quality_changes_container.hasProperty(key,"value"):
# Normal case
settings[key] = stack.getProperty(key, "value")
else:
settings[key] = resolved_value
else:
# Normal case
settings[key] = stack.getProperty(key, "value")
Job.yieldThread()
start_gcode = settings["machine_start_gcode"]
settings["material_bed_temp_prepend"] = "{material_bed_temperature}" not in start_gcode #Pre-compute material material_bed_temp_prepend and material_print_temp_prepend
settings["material_print_temp_prepend"] = "{material_print_temperature}" not in start_gcode
for key, value in settings.items(): #Add all submessages for each individual setting.
setting_message = self._slice_message.getMessage("global_settings").addRepeatedMessage("settings")
setting_message.name = key
if key == "machine_start_gcode" or key == "machine_end_gcode": #If it's a g-code message, use special formatting.
setting_message.value = self._expandGcodeTokens(key, value, settings)
else:
setting_message.value = str(value).encode("utf-8")
Job.yieldThread()
def _loadAscii(self, mesh_builder, f):
num_verts = 0
for lines in f:
for line in lines.split("\r"):
if "vertex" in line:
num_verts += 1
mesh_builder.reserveFaceCount(num_verts / 3)
f.seek(0, os.SEEK_SET)
vertex = 0
face = [None, None, None]
for lines in f:
for line in lines.split("\r"):
if "vertex" in line:
face[vertex] = line.split()[1:]
vertex += 1
if vertex == 3:
mesh_builder.addFaceByPoints(
float(face[0][0]), float(face[0][2]), -float(face[0][1]),
float(face[1][0]), float(face[1][2]), -float(face[1][1]),
float(face[2][0]), float(face[2][2]), -float(face[2][1])
)
vertex = 0
Job.yieldThread()
def _buildGlobalSettingsMessage(self, stack):
keys = stack.getAllKeys()
settings = {}
for key in keys:
settings[key] = stack.getProperty(key, "value")
Job.yieldThread()
start_gcode = settings["machine_start_gcode"]
#Pre-compute material material_bed_temp_prepend and material_print_temp_prepend
bed_temperature_settings = {"material_bed_temperature", "material_bed_temperature_layer_0"}
settings["material_bed_temp_prepend"] = all(("{" + setting + "}" not in start_gcode for setting in bed_temperature_settings))
print_temperature_settings = {"material_print_temperature", "material_print_temperature_layer_0", "default_material_print_temperature", "material_initial_print_temperature", "material_final_print_temperature", "material_standby_temperature"}
settings["material_print_temp_prepend"] = all(("{" + setting + "}" not in start_gcode for setting in print_temperature_settings))
settings["print_bed_temperature"] = settings["material_bed_temperature"]
settings["print_temperature"] = settings["material_print_temperature"]
settings["time"] = time.strftime('%H:%M:%S')
settings["date"] = time.strftime('%d-%m-%Y')
settings["day"] = ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'][int(time.strftime('%w'))]
for key, value in settings.items(): #Add all submessages for each individual setting.
setting_message = self._slice_message.getMessage("global_settings").addRepeatedMessage("settings")
setting_message.name = key
if key == "machine_start_gcode" or key == "machine_end_gcode" or key == "machine_extruder_start_code" or key == "machine_extruder_end_code": #If it's a g-code message, use special formatting.
setting_message.value = self._expandGcodeTokens(key, value, settings)
else:
setting_message.value = str(value).encode("utf-8")
Job.yieldThread()
def _buildExtruderMessage(self, stack: ContainerStack) -> None:
message = self._slice_message.addRepeatedMessage("extruders")
message.id = int(stack.getMetaDataEntry("position"))
if not self._all_extruders_settings:
self._cacheAllExtruderSettings()
if self._all_extruders_settings is None:
return
extruder_nr = stack.getProperty("extruder_nr", "value")
settings = self._all_extruders_settings[str(extruder_nr)].copy()
# Also send the material GUID. This is a setting in fdmprinter, but we have no interface for it.
settings["material_guid"] = stack.material.getMetaDataEntry("GUID", "")
# Replace the setting tokens in start and end g-code.
extruder_nr = stack.getProperty("extruder_nr", "value")
settings["machine_extruder_start_code"] = self._expandGcodeTokens(settings["machine_extruder_start_code"], extruder_nr)
settings["machine_extruder_end_code"] = self._expandGcodeTokens(settings["machine_extruder_end_code"], extruder_nr)
for key, value in settings.items():
# Do not send settings that are not settable_per_extruder.
if not stack.getProperty(key, "settable_per_extruder"):
continue
setting = message.getMessage("settings").addRepeatedMessage("settings")
setting.name = key
setting.value = str(value).encode("utf-8")
Job.yieldThread()
def read(self, file_name):
mesh_builder = MeshBuilder()
scene_node = SceneNode()
if use_numpystl:
self._loadWithNumpySTL(file_name, mesh_builder)
else:
f = open(file_name, "rb")
if not self._loadBinary(mesh_builder, f):
f.close()
f = open(file_name, "rt")
try:
self._loadAscii(mesh_builder, f)
except UnicodeDecodeError:
return None
f.close()
Job.yieldThread() # Yield somewhat to ensure the GUI has time to update a bit.
mesh_builder.calculateNormals(fast = True)
mesh = mesh_builder.build()
Logger.log("d", "Loaded a mesh with %s vertices", mesh_builder.getVertexCount())
scene_node.setMeshData(mesh)
return scene_node
def _handlePerObjectSettings(self, node: CuraSceneNode, message: Arcus.PythonMessage):
stack = node.callDecoration("getStack")
# Check if the node has a stack attached to it and the stack has any settings in the top container.
if not stack:
return
# Check all settings for relations, so we can also calculate the correct values for dependent settings.
top_of_stack = stack.getTop() # Cache for efficiency.
changed_setting_keys = top_of_stack.getAllKeys()
# Add all relations to changed settings as well.
for key in top_of_stack.getAllKeys():
instance = top_of_stack.getInstance(key)
self._addRelations(changed_setting_keys, instance.definition.relations)
Job.yieldThread()
# Ensure that the engine is aware what the build extruder is.
changed_setting_keys.add("extruder_nr")
# Get values for all changed settings
for key in changed_setting_keys:
setting = message.addRepeatedMessage("settings")
setting.name = key
extruder = int(round(float(stack.getProperty(key, "limit_to_extruder"))))
# Check if limited to a specific extruder, but not overridden by per-object settings.
if extruder >= 0 and key not in changed_setting_keys:
limited_stack = ExtruderManager.getInstance().getActiveExtruderStacks()[extruder]
else:
limited_stack = stack
setting.value = str(limited_stack.getProperty(key, "value")).encode("utf-8")
Job.yieldThread()
def _buildGlobalSettingsMessage(self, stack):
settings = self._buildReplacementTokens(stack)
# Pre-compute material material_bed_temp_prepend and material_print_temp_prepend
start_gcode = settings["machine_start_gcode"]
bed_temperature_settings = ["material_bed_temperature", "material_bed_temperature_layer_0"]
pattern = r"\{(%s)(,\s?\w+)?\}" % "|".join(bed_temperature_settings) # match {setting} as well as {setting, extruder_nr}
settings["material_bed_temp_prepend"] = re.search(pattern, start_gcode) == None
print_temperature_settings = ["material_print_temperature", "material_print_temperature_layer_0", "default_material_print_temperature", "material_initial_print_temperature", "material_final_print_temperature", "material_standby_temperature"]
pattern = r"\{(%s)(,\s?\w+)?\}" % "|".join(print_temperature_settings) # match {setting} as well as {setting, extruder_nr}
settings["material_print_temp_prepend"] = re.search(pattern, start_gcode) == None
# Replace the setting tokens in start and end g-code.
# Use values from the first used extruder by default so we get the expected temperatures
initial_extruder_stack = Application.getInstance().getExtruderManager().getUsedExtruderStacks()[0]
initial_extruder_nr = initial_extruder_stack.getProperty("extruder_nr", "value")
settings["machine_start_gcode"] = self._expandGcodeTokens(settings["machine_start_gcode"], initial_extruder_nr)
settings["machine_end_gcode"] = self._expandGcodeTokens(settings["machine_end_gcode"], initial_extruder_nr)
# Add all sub-messages for each individual setting.
for key, value in settings.items():
setting_message = self._slice_message.getMessage("global_settings").addRepeatedMessage("settings")
setting_message.name = key
setting_message.value = str(value).encode("utf-8")
Job.yieldThread()
def _buildGlobalInheritsStackMessage(self, stack):
for key in stack.getAllKeys():
extruder_position = int(round(float(stack.getProperty(key, "limit_to_extruder"))))
if extruder_position >= 0: # Set to a specific extruder.
setting_extruder = self._slice_message.addRepeatedMessage("limit_to_extruder")
setting_extruder.name = key
setting_extruder.extruder = extruder_position
Job.yieldThread()
def _buildExtruderMessage(self, stack):
message = self._slice_message.addRepeatedMessage("extruders")
message.id = int(stack.getMetaDataEntry("position"))
for key in stack.getAllKeys():
setting = message.getMessage("settings").addRepeatedMessage("settings")
setting.name = key
setting.value = str(stack.getProperty(key, "value")).encode("utf-8")
Job.yieldThread()
def _handlePerObjectSettings(self, node, message):
stack = node.callDecoration("getStack")
if stack:
for key in stack.getAllKeys():
setting = message.addRepeatedMessage("settings")
setting.name = key
setting.value = str(stack.getProperty(key, "value")).encode("utf-8")
Job.yieldThread()
def run(self):
loading_message = Message(i18n_catalog.i18nc("@info:status", "Loading <filename>{0}</filename>", self._filename), lifetime = 0, dismissable = False)
loading_message.setProgress(-1)
loading_message.show()
Job.yieldThread() # Yield to any other thread that might want to do something else.
try:
begin_time = time.time()
node = self._handler.read(self._filename)
end_time = time.time()
Logger.log("d", "Loading mesh took %s seconds", end_time - begin_time)
except Exception as e:
print(e)
if not node:
loading_message.hide()
result_message = Message(i18n_catalog.i18nc("@info:status", "Failed to load <filename>{0}</filename>", self._filename))
result_message.show()
return
if node.getMeshData():
node.getMeshData().setFileName(self._filename)
# 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
node._resetAABB()
bounding_box = node.getBoundingBox()
timeout_counter = 0
#As the calculation of the bounding box is in a seperate thread it might be that it's not done yet.
while bounding_box.width == 0 or bounding_box.height == 0 or bounding_box.depth == 0:
bounding_box = node.getBoundingBox()
time.sleep(0.1)
timeout_counter += 1
if timeout_counter > 10:
break
if max_bounds.width < bounding_box.width or max_bounds.height < bounding_box.height or max_bounds.depth < bounding_box.depth:
scale_factor_width = max_bounds.width / bounding_box.width
scale_factor_height = max_bounds.height / bounding_box.height
scale_factor_depth = max_bounds.depth / bounding_box.depth
scale_factor = min(scale_factor_width,scale_factor_height,scale_factor_depth)
scale_vector = Vector(scale_factor, scale_factor, scale_factor)
display_scale_factor = scale_factor * 100
if Preferences.getInstance().getValue("mesh/scale_to_fit") == True:
scale_message = Message(i18n_catalog.i18nc("@info:status", "Auto scaled object to {0}% of original size", ("%i" % display_scale_factor)))
try:
node.scale(scale_vector)
scale_message.show()
except Exception as e:
print(e)
self.setResult(node)
loading_message.hide()
result_message = Message(i18n_catalog.i18nc("@info:status", "Loaded <filename>{0}</filename>", self._filename))
result_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 run(self):
if not self._node:
return
## If the scene node is a group, use the hull of the children to calculate its hull.
if self._node.callDecoration("isGroup"):
hull = Polygon(numpy.zeros((0, 2), dtype=numpy.int32))
for child in self._node.getChildren():
child_hull = child.callDecoration("getConvexHull")
if child_hull:
hull.setPoints(numpy.append(hull.getPoints(), child_hull.getPoints(), axis = 0))
if hull.getPoints().size < 3:
self._node.callDecoration("setConvexHull", None)
self._node.callDecoration("setConvexHullJob", None)
return
Job.yieldThread()
else:
if not self._node.getMeshData():
return
mesh = self._node.getMeshData()
vertex_data = mesh.getTransformed(self._node.getWorldTransformation()).getVertices()
# Don't use data below 0. TODO; We need a better check for this as this gives poor results for meshes with long edges.
vertex_data = vertex_data[vertex_data[:,1]>0]
hull = Polygon(numpy.rint(vertex_data[:, [0, 2]]).astype(int))
# First, calculate the normal convex hull around the points
hull = hull.getConvexHull()
# Then, do a Minkowski hull with a simple 1x1 quad to outset and round the normal convex hull.
# This is done because of rounding errors.
hull = hull.getMinkowskiHull(Polygon(numpy.array([[-1, -1], [-1, 1], [1, 1], [1, -1]], numpy.float32)))
profile = Application.getInstance().getMachineManager().getActiveProfile()
if profile:
if profile.getSettingValue("print_sequence") == "one_at_a_time" and not self._node.getParent().callDecoration("isGroup"):
# Printing one at a time and it's not an object in a group
self._node.callDecoration("setConvexHullBoundary", copy.deepcopy(hull))
head_hull = hull.getMinkowskiHull(Polygon(numpy.array(profile.getSettingValue("machine_head_with_fans_polygon"),numpy.float32)))
self._node.callDecoration("setConvexHullHead", head_hull)
hull = hull.getMinkowskiHull(Polygon(numpy.array(profile.getSettingValue("machine_head_polygon"),numpy.float32)))
else:
self._node.callDecoration("setConvexHullHead", None)
hull_node = ConvexHullNode.ConvexHullNode(self._node, hull, Application.getInstance().getController().getScene().getRoot())
self._node.callDecoration("setConvexHullNode", hull_node)
self._node.callDecoration("setConvexHull", hull)
self._node.callDecoration("setConvexHullJob", None)
if self._node.getParent().callDecoration("isGroup"):
job = self._node.getParent().callDecoration("getConvexHullJob")
if job:
job.cancel()
self._node.getParent().callDecoration("setConvexHull", None)
hull_node = self._node.getParent().callDecoration("getConvexHullNode")
if hull_node:
hull_node.setParent(None)
def _handlePerObjectSettings(self, node, message):
stack = node.callDecoration("getStack")
# Check if the node has a stack attached to it and the stack has any settings in the top container.
if stack and stack.getTop().getAllKeys():
# Because we want to use inheritance correctly, we send all settings as seen from the per object stack.
for key in stack.getAllKeys():
setting = message.addRepeatedMessage("settings")
setting.name = key
setting.value = str(stack.getProperty(key, "value")).encode("utf-8")
Job.yieldThread()
def _buildExtruderMessageFromGlobalStack(self, stack):
message = self._slice_message.addRepeatedMessage("extruders")
for key in stack.getAllKeys():
# Do not send settings that are not settable_per_extruder.
if not stack.getProperty(key, "settable_per_extruder"):
continue
setting = message.getMessage("settings").addRepeatedMessage("settings")
setting.name = key
setting.value = str(stack.getProperty(key, "value")).encode("utf-8")
Job.yieldThread()
def _checkStackForErrors(self, stack):
if stack is None:
return False
for key in stack.getAllKeys():
validation_state = stack.getProperty(key, "validationState")
if validation_state in (ValidatorState.Exception, ValidatorState.MaximumError, ValidatorState.MinimumError):
Logger.log("w", "Setting %s is not valid, but %s. Aborting slicing.", key, validation_state)
return True
Job.yieldThread()
return False
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 _buildReplacementTokens(self, stack) -> dict:
result = {}
for key in stack.getAllKeys():
result[key] = stack.getProperty(key, "value")
Job.yieldThread()
result["print_bed_temperature"] = result["material_bed_temperature"] #Renamed settings.
result["print_temperature"] = result["material_print_temperature"]
result["time"] = time.strftime("%H:%M:%S") #Some extra settings.
result["date"] = time.strftime("%d-%m-%Y")
result["day"] = ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"][int(time.strftime("%w"))]
return result
def _buildExtruderMessage(self, stack):
message = self._slice_message.addRepeatedMessage("extruders")
message.id = int(stack.getMetaDataEntry("position"))
material_instance_container = stack.findContainer({"type": "material"})
for key in stack.getAllKeys():
setting = message.getMessage("settings").addRepeatedMessage("settings")
setting.name = key
if key == "material_guid" and material_instance_container:
# Also send the material GUID. This is a setting in fdmprinter, but we have no interface for it.
setting.value = str(material_instance_container.getMetaDataEntry("GUID", "")).encode("utf-8")
else:
setting.value = str(stack.getProperty(key, "value")).encode("utf-8")
Job.yieldThread()
def run(self):
layer_data = None
for node in DepthFirstIterator(self._scene.getRoot()):
layer_data = node.callDecoration("getLayerData")
if layer_data:
break
if self._cancel or not layer_data:
return
layer_mesh = MeshBuilder()
for i in range(self._solid_layers):
layer_number = self._layer_number - i
if layer_number < 0:
continue
try:
layer = layer_data.getLayer(layer_number).createMesh()
except Exception:
Logger.logException("w", "An exception occurred while creating layer mesh.")
return
if not layer or layer.getVertices() is None:
continue
layer_mesh.addIndices(layer_mesh.getVertexCount() + layer.getIndices())
layer_mesh.addVertices(layer.getVertices())
# Scale layer color by a brightness factor based on the current layer number
# This will result in a range of 0.5 - 1.0 to multiply colors by.
brightness = numpy.ones((1, 4), dtype=numpy.float32) * (2.0 - (i / self._solid_layers)) / 2.0
brightness[0, 3] = 1.0
layer_mesh.addColors(layer.getColors() * brightness)
if self._cancel:
return
Job.yieldThread()
if self._cancel:
return
Job.yieldThread()
jump_mesh = layer_data.getLayer(self._layer_number).createJumps()
if not jump_mesh or jump_mesh.getVertices() is None:
jump_mesh = None
self.setResult({"layers": layer_mesh.build(), "jumps": jump_mesh})
def run(self) -> None:
if self._handler is None:
Logger.log("e", "FileHandler was not set.")
return None
reader = self._handler.getReaderForFile(self._filename)
if not reader:
result_message = Message(i18n_catalog.i18nc("@info:status Don't translate the XML tag <filename>!", "Cannot open files of the type of <filename>{0}</filename>", self._filename), lifetime=0, title = i18n_catalog.i18nc("@info:title", "Invalid File"))
result_message.show()
return
# Give the plugin a chance to display a dialog before showing the loading UI
try:
pre_read_result = reader.preRead(self._filename)
except:
Logger.logException("e", "Failed to pre-read the file %s", self._filename)
pre_read_result = MeshReader.PreReadResult.failed
if pre_read_result != MeshReader.PreReadResult.accepted:
if pre_read_result == MeshReader.PreReadResult.failed:
result_message = Message(i18n_catalog.i18nc("@info:status Don't translate the XML tag <filename>!", "Failed to load <filename>{0}</filename>", self._filename),
lifetime=0,
title = i18n_catalog.i18nc("@info:title", "Invalid File"))
result_message.show()
return
self._loading_message = Message(self._filename,
lifetime=0,
dismissable=False,
title = i18n_catalog.i18nc("@info:title", "Loading"))
self._loading_message.setProgress(-1)
self._loading_message.show()
Job.yieldThread() # Yield to any other thread that might want to do something else.
begin_time = time.time()
try:
self.setResult(self._handler.readerRead(reader, self._filename))
except:
Logger.logException("e", "Exception occurred while loading file %s", self._filename)
finally:
end_time = time.time()
Logger.log("d", "Loading file took %0.1f seconds", end_time - begin_time)
if self._result is None:
self._loading_message.hide()
result_message = Message(i18n_catalog.i18nc("@info:status Don't translate the XML tag <filename>!", "Failed to load <filename>{0}</filename>", self._filename), lifetime=0, title = i18n_catalog.i18nc("@info:title", "Invalid File"))
result_message.show()
return
self._loading_message.hide()
def run(self):
layer_data = None
for node in DepthFirstIterator(self._scene.getRoot()):
layer_data = node.callDecoration("getLayerData")
if layer_data:
break
if self._cancel or not layer_data:
return
layer_mesh = MeshData()
for i in range(self._solid_layers):
layer_number = self._layer_number - i
if layer_number < 0:
continue
try:
layer = layer_data.getLayer(layer_number).createMesh()
except Exception as e:
print(e)
return
if not layer or layer.getVertices() is None:
continue
layer_mesh.addVertices(layer.getVertices())
# Scale layer color by a brightness factor based on the current layer number
# This will result in a range of 0.5 - 1.0 to multiply colors by.
brightness = (2.0 - (i / self._solid_layers)) / 2.0
layer_mesh.addColors(layer.getColors() * brightness)
if self._cancel:
return
Job.yieldThread()
if self._cancel:
return
Job.yieldThread()
jump_mesh = layer_data.getLayer(self._layer_number).createJumps()
if not jump_mesh or jump_mesh.getVertices() is None:
jump_mesh = None
self.setResult({ "layers": layer_mesh, "jumps": jump_mesh })
def load_file(self, file_name, mesh_builder, _use_numpystl = False):
if _use_numpystl:
self._loadWithNumpySTL(file_name, mesh_builder)
else:
f = open(file_name, "rb")
if not self._loadBinary(mesh_builder, f):
f.close()
f = open(file_name, "rt")
try:
self._loadAscii(mesh_builder, f)
except UnicodeDecodeError:
return None
f.close()
Job.yieldThread() # Yield somewhat to ensure the GUI has time to update a bit.
mesh_builder.calculateNormals(fast = True)
mesh_builder.setFileName(file_name)
def run(self):
Job.yieldThread()
if self._writer.write(self._stream, self._node, self._mode):
self._stream.seek(0)
select_bool = str(Preferences.getInstance().getValue("octoprint/select")).lower()
print_bool = str(Preferences.getInstance().getValue("octoprint/print")).lower()
url = Preferences.getInstance().getValue("octoprint/base_url") + "api/files/local"
api_key = Preferences.getInstance().getValue("octoprint/api_key")
result = requests.post(url,
files={'file': (self._file_name, self._stream),
'select': ('', select_bool),
'print': ('', print_bool)},
headers={'User-agent': 'Cura AutoUploader Plugin',
'X-Api-Key': api_key})
self.setResult(result)
else:
self.setResult(False)
def _buildReplacementTokens(self, stack) -> dict:
result = {}
for key in stack.getAllKeys():
value = stack.getProperty(key, "value")
result[key] = value
Job.yieldThread()
result["print_bed_temperature"] = result["material_bed_temperature"] # Renamed settings.
result["print_temperature"] = result["material_print_temperature"]
result["time"] = time.strftime("%H:%M:%S") #Some extra settings.
result["date"] = time.strftime("%d-%m-%Y")
result["day"] = ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"][int(time.strftime("%w"))]
initial_extruder_stack = Application.getInstance().getExtruderManager().getUsedExtruderStacks()[0]
initial_extruder_nr = initial_extruder_stack.getProperty("extruder_nr", "value")
result["initial_extruder_nr"] = initial_extruder_nr
return result
def _buildGlobalSettingsMessage(self, stack):
settings = self._buildReplacementTokens(stack)
start_gcode = settings["machine_start_gcode"]
#Pre-compute material material_bed_temp_prepend and material_print_temp_prepend
bed_temperature_settings = {"material_bed_temperature", "material_bed_temperature_layer_0"}
settings["material_bed_temp_prepend"] = all(("{" + setting + "}" not in start_gcode for setting in bed_temperature_settings))
print_temperature_settings = {"material_print_temperature", "material_print_temperature_layer_0", "default_material_print_temperature", "material_initial_print_temperature", "material_final_print_temperature", "material_standby_temperature"}
settings["material_print_temp_prepend"] = all(("{" + setting + "}" not in start_gcode for setting in print_temperature_settings))
#Replace the setting tokens in start and end g-code.
settings["machine_start_gcode"] = self._expandGcodeTokens(settings["machine_start_gcode"], settings)
settings["machine_end_gcode"] = self._expandGcodeTokens(settings["machine_end_gcode"], settings)
for key, value in settings.items(): #Add all submessages for each individual setting.
setting_message = self._slice_message.getMessage("global_settings").addRepeatedMessage("settings")
setting_message.name = key
setting_message.value = str(value).encode("utf-8")
Job.yieldThread()
def _handlePerObjectSettings(self, node, message):
profile = node.callDecoration("getProfile")
if profile:
for key, value in profile.getAllSettingValues().items():
setting = message.addRepeatedMessage("settings")
setting.name = key
setting.value = str(value).encode()
Job.yieldThread()
object_settings = node.callDecoration("getAllSettingValues")
if not object_settings:
return
for key, value in object_settings.items():
setting = message.addRepeatedMessage("settings")
setting.name = key
setting.value = str(value).encode()
Job.yieldThread()
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)
offset_shape_arr, hull_shape_arr = ShapeArray.fromNode(current_node, min_offset=self._min_offset)
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.
node, solution_found = arranger.findNodePlacement(current_node, offset_shape_arr, hull_shape_arr)
if 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()
def _handlePerObjectSettings(self, node, message):
stack = node.callDecoration("getStack")
# Check if the node has a stack attached to it and the stack has any settings in the top container.
if stack:
# Check all settings for relations, so we can also calculate the correct values for dependant settings.
changed_setting_keys = set(stack.getTop().getAllKeys())
for key in stack.getTop().getAllKeys():
instance = stack.getTop().getInstance(key)
self._addRelations(changed_setting_keys, instance.definition.relations)
Job.yieldThread()
# Ensure that the engine is aware what the build extruder is
if stack.getProperty("machine_extruder_count", "value") > 1:
changed_setting_keys.add("extruder_nr")
# Get values for all changed settings
for key in changed_setting_keys:
setting = message.addRepeatedMessage("settings")
setting.name = key
setting.value = str(stack.getProperty(key, "value")).encode("utf-8")
Job.yieldThread()
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)
# Same build plate
build_plate_number = current_node.callDecoration(
"getBuildPlateNumber")
node.callDecoration("setBuildPlateNumber", build_plate_number)
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 processChildNodes(self, node):
for c in node:
self.processNode(c)
Job.yieldThread()
def run(self):
if not self._node:
return
## If the scene node is a group, use the hull of the children to calculate its hull.
if self._node.callDecoration("isGroup"):
hull = Polygon(numpy.zeros((0, 2), dtype=numpy.int32))
for child in self._node.getChildren():
child_hull = child.callDecoration("getConvexHull")
if child_hull:
hull.setPoints(
numpy.append(hull.getPoints(),
child_hull.getPoints(),
axis=0))
if hull.getPoints().size < 3:
self._node.callDecoration("setConvexHull", None)
self._node.callDecoration("setConvexHullJob", None)
return
Job.yieldThread()
else:
if not self._node.getMeshData():
return
mesh = self._node.getMeshData()
vertex_data = mesh.getTransformed(
self._node.getWorldTransformation()).getVertices()
# Don't use data below 0. TODO; We need a better check for this as this gives poor results for meshes with long edges.
vertex_data = vertex_data[vertex_data[:, 1] >= 0]
# Round the vertex data to 1/10th of a mm, then remove all duplicate vertices
# This is done to greatly speed up further convex hull calculations as the convex hull
# becomes much less complex when dealing with highly detailed models.
vertex_data = numpy.round(vertex_data, 1)
vertex_data = vertex_data[:, [
0, 2
]] # Drop the Y components to project to 2D.
# Grab the set of unique points.
#
# This basically finds the unique rows in the array by treating them as opaque groups of bytes
# which are as long as the 2 float64s in each row, and giving this view to numpy.unique() to munch.
# See http://stackoverflow.com/questions/16970982/find-unique-rows-in-numpy-array
vertex_byte_view = numpy.ascontiguousarray(vertex_data).view(
numpy.dtype(
(numpy.void,
vertex_data.dtype.itemsize * vertex_data.shape[1])))
_, idx = numpy.unique(vertex_byte_view, return_index=True)
vertex_data = vertex_data[idx] # Select the unique rows by index.
hull = Polygon(vertex_data)
# First, calculate the normal convex hull around the points
hull = hull.getConvexHull()
# Then, do a Minkowski hull with a simple 1x1 quad to outset and round the normal convex hull.
# This is done because of rounding errors.
hull = hull.getMinkowskiHull(
Polygon(
numpy.array(
[[-0.5, -0.5], [-0.5, 0.5], [0.5, 0.5], [0.5, -0.5]],
numpy.float32)))
profile = Application.getInstance().getMachineManager(
).getWorkingProfile()
if profile:
if profile.getSettingValue(
"print_sequence"
) == "one_at_a_time" and not self._node.getParent().callDecoration(
"isGroup"):
# Printing one at a time and it's not an object in a group
self._node.callDecoration("setConvexHullBoundary",
copy.deepcopy(hull))
head_and_fans = Polygon(
numpy.array(
profile.getSettingValue(
"machine_head_with_fans_polygon"), numpy.float32))
# Full head hull is used to actually check the order.
full_head_hull = hull.getMinkowskiHull(head_and_fans)
self._node.callDecoration("setConvexHullHeadFull",
full_head_hull)
mirrored = copy.deepcopy(head_and_fans)
mirrored.mirror([0, 0], [0, 1]) #Mirror horizontally.
mirrored.mirror([0, 0], [1, 0]) #Mirror vertically.
head_and_fans = head_and_fans.intersectionConvexHulls(mirrored)
# Add extra margin depending on adhesion type
adhesion_type = profile.getSettingValue("adhesion_type")
extra_margin = 0
machine_head_coords = numpy.array(
profile.getSettingValue("machine_head_with_fans_polygon"),
numpy.float32)
head_y_size = abs(machine_head_coords).min(
) # safe margin to take off in all directions
if adhesion_type == "raft":
extra_margin = max(
0,
profile.getSettingValue("raft_margin") - head_y_size)
elif adhesion_type == "brim":
extra_margin = max(
0,
profile.getSettingValue("brim_width") - head_y_size)
elif adhesion_type == "skirt":
extra_margin = max(
0,
profile.getSettingValue("skirt_gap") +
profile.getSettingValue("skirt_line_count") *
profile.getSettingValue("skirt_line_width") -
head_y_size)
# adjust head_and_fans with extra margin
if extra_margin > 0:
# In Cura 2.2+, there is a function to create this circle-like polygon.
extra_margin_polygon = Polygon(
numpy.array(
[[-extra_margin, 0],
[-extra_margin * 0.707, extra_margin * 0.707],
[0, extra_margin],
[extra_margin * 0.707, extra_margin * 0.707],
[extra_margin, 0],
[extra_margin * 0.707, -extra_margin * 0.707],
[0, -extra_margin],
[-extra_margin * 0.707, -extra_margin * 0.707]],
numpy.float32))
head_and_fans = head_and_fans.getMinkowskiHull(
extra_margin_polygon)
# Min head hull is used for the push free
min_head_hull = hull.getMinkowskiHull(head_and_fans)
self._node.callDecoration("setConvexHullHead", min_head_hull)
hull = hull.getMinkowskiHull(
Polygon(
numpy.array(
profile.getSettingValue("machine_head_polygon"),
numpy.float32)))
else:
self._node.callDecoration("setConvexHullHead", None)
if self._node.getParent(
) is None: #Node was already deleted before job is done.
self._node.callDecoration("setConvexHullNode", None)
self._node.callDecoration("setConvexHull", None)
self._node.callDecoration("setConvexHullJob", None)
return
hull_node = ConvexHullNode.ConvexHullNode(
self._node, hull,
Application.getInstance().getController().getScene().getRoot())
self._node.callDecoration("setConvexHullNode", hull_node)
self._node.callDecoration("setConvexHull", hull)
self._node.callDecoration("setConvexHullJob", None)
if self._node.getParent() and self._node.getParent().callDecoration(
"isGroup"):
job = self._node.getParent().callDecoration("getConvexHullJob")
if job:
job.cancel()
self._node.getParent().callDecoration("setConvexHull", None)
hull_node = self._node.getParent().callDecoration(
"getConvexHullNode")
if hull_node:
hull_node.setParent(None)
def _generateSceneNode(self, file_name, xz_size, height_from_base,
base_height, blur_iterations, max_size,
lighter_is_higher, use_transparency_model,
transmittance_1mm):
scene_node = SceneNode()
mesh = MeshBuilder()
img = QImage(file_name)
if img.isNull():
Logger.log("e", "Image is corrupt.")
return None
width = max(img.width(), 2)
height = max(img.height(), 2)
aspect = height / width
if img.width() < 2 or img.height() < 2:
img = img.scaled(width, height, Qt.IgnoreAspectRatio)
height_from_base = max(height_from_base, 0)
base_height = max(base_height, 0)
peak_height = base_height + height_from_base
xz_size = max(xz_size, 1)
scale_vector = Vector(xz_size, peak_height, xz_size)
if width > height:
scale_vector = scale_vector.set(z=scale_vector.z * aspect)
elif height > width:
scale_vector = scale_vector.set(x=scale_vector.x / aspect)
if width > max_size or height > max_size:
scale_factor = max_size / width
if height > width:
scale_factor = max_size / height
width = int(max(round(width * scale_factor), 2))
height = int(max(round(height * scale_factor), 2))
img = img.scaled(width, height, Qt.IgnoreAspectRatio)
width_minus_one = width - 1
height_minus_one = height - 1
Job.yieldThread()
texel_width = 1.0 / (width_minus_one) * scale_vector.x
texel_height = 1.0 / (height_minus_one) * scale_vector.z
height_data = numpy.zeros((height, width), dtype=numpy.float32)
for x in range(0, width):
for y in range(0, height):
qrgb = img.pixel(x, y)
if use_transparency_model:
height_data[y, x] = (
0.299 * math.pow(qRed(qrgb) / 255.0, 2.2) +
0.587 * math.pow(qGreen(qrgb) / 255.0, 2.2) +
0.114 * math.pow(qBlue(qrgb) / 255.0, 2.2))
else:
height_data[y, x] = (
0.212655 * qRed(qrgb) + 0.715158 * qGreen(qrgb) +
0.072187 * qBlue(qrgb)
) / 255 # fast computation ignoring gamma and degamma
Job.yieldThread()
if lighter_is_higher == use_transparency_model:
height_data = 1 - height_data
for _ in range(0, blur_iterations):
copy = numpy.pad(height_data, ((1, 1), (1, 1)), mode="edge")
height_data += copy[1:-1, 2:]
height_data += copy[1:-1, :-2]
height_data += copy[2:, 1:-1]
height_data += copy[:-2, 1:-1]
height_data += copy[2:, 2:]
height_data += copy[:-2, 2:]
height_data += copy[2:, :-2]
height_data += copy[:-2, :-2]
height_data /= 9
Job.yieldThread()
if use_transparency_model:
divisor = 1.0 / math.log(
transmittance_1mm / 100.0
) # log-base doesn't matter here. Precompute this value for faster computation of each pixel.
min_luminance = (transmittance_1mm / 100.0)**(peak_height -
base_height)
for (y, x) in numpy.ndindex(height_data.shape):
mapped_luminance = min_luminance + (
1.0 - min_luminance) * height_data[y, x]
height_data[y, x] = base_height + divisor * math.log(
mapped_luminance
) # use same base as a couple lines above this
else:
height_data *= scale_vector.y
height_data += base_height
if img.hasAlphaChannel():
for x in range(0, width):
for y in range(0, height):
height_data[y, x] *= qAlpha(img.pixel(x, y)) / 255.0
heightmap_face_count = 2 * height_minus_one * width_minus_one
total_face_count = heightmap_face_count + (width_minus_one * 2) * (
height_minus_one * 2) + 2
mesh.reserveFaceCount(total_face_count)
# initialize to texel space vertex offsets.
# 6 is for 6 vertices for each texel quad.
heightmap_vertices = numpy.zeros(
(width_minus_one * height_minus_one, 6, 3), dtype=numpy.float32)
heightmap_vertices = heightmap_vertices + numpy.array(
[[[0, base_height, 0], [0, base_height, texel_height],
[texel_width, base_height, texel_height],
[texel_width, base_height, texel_height],
[texel_width, base_height, 0], [0, base_height, 0]]],
dtype=numpy.float32)
offsetsz, offsetsx = numpy.mgrid[0:height_minus_one, 0:width - 1]
offsetsx = numpy.array(offsetsx, numpy.float32).reshape(
-1, 1) * texel_width
offsetsz = numpy.array(offsetsz, numpy.float32).reshape(
-1, 1) * texel_height
# offsets for each texel quad
heightmap_vertex_offsets = numpy.concatenate([
offsetsx,
numpy.zeros((offsetsx.shape[0], offsetsx.shape[1]),
dtype=numpy.float32), offsetsz
], 1)
heightmap_vertices += heightmap_vertex_offsets.repeat(6, 0).reshape(
-1, 6, 3)
# apply height data to y values
heightmap_vertices[:, 0,
1] = heightmap_vertices[:, 5,
1] = height_data[:-1, :
-1].reshape(
-1)
heightmap_vertices[:, 1, 1] = height_data[1:, :-1].reshape(-1)
heightmap_vertices[:, 2,
1] = heightmap_vertices[:, 3, 1] = height_data[
1:, 1:].reshape(-1)
heightmap_vertices[:, 4, 1] = height_data[:-1, 1:].reshape(-1)
heightmap_indices = numpy.array(numpy.mgrid[0:heightmap_face_count *
3],
dtype=numpy.int32).reshape(-1, 3)
mesh._vertices[0:(heightmap_vertices.size //
3), :] = heightmap_vertices.reshape(-1, 3)
mesh._indices[0:(heightmap_indices.size // 3), :] = heightmap_indices
mesh._vertex_count = heightmap_vertices.size // 3
mesh._face_count = heightmap_indices.size // 3
geo_width = width_minus_one * texel_width
geo_height = height_minus_one * texel_height
# bottom
mesh.addFaceByPoints(0, 0, 0, 0, 0, geo_height, geo_width, 0,
geo_height)
mesh.addFaceByPoints(geo_width, 0, geo_height, geo_width, 0, 0, 0, 0,
0)
# north and south walls
for n in range(0, width_minus_one):
x = n * texel_width
nx = (n + 1) * texel_width
hn0 = height_data[0, n]
hn1 = height_data[0, n + 1]
hs0 = height_data[height_minus_one, n]
hs1 = height_data[height_minus_one, n + 1]
mesh.addFaceByPoints(x, 0, 0, nx, 0, 0, nx, hn1, 0)
mesh.addFaceByPoints(nx, hn1, 0, x, hn0, 0, x, 0, 0)
mesh.addFaceByPoints(x, 0, geo_height, nx, 0, geo_height, nx, hs1,
geo_height)
mesh.addFaceByPoints(nx, hs1, geo_height, x, hs0, geo_height, x, 0,
geo_height)
# west and east walls
for n in range(0, height_minus_one):
y = n * texel_height
ny = (n + 1) * texel_height
hw0 = height_data[n, 0]
hw1 = height_data[n + 1, 0]
he0 = height_data[n, width_minus_one]
he1 = height_data[n + 1, width_minus_one]
mesh.addFaceByPoints(0, 0, y, 0, 0, ny, 0, hw1, ny)
mesh.addFaceByPoints(0, hw1, ny, 0, hw0, y, 0, 0, y)
mesh.addFaceByPoints(geo_width, 0, y, geo_width, 0, ny, geo_width,
he1, ny)
mesh.addFaceByPoints(geo_width, he1, ny, geo_width, he0, y,
geo_width, 0, y)
mesh.calculateNormals(fast=True)
scene_node.setMeshData(mesh.build())
return scene_node
def run(self):
self._scene.acquireLock()
for node in DepthFirstIterator(self._scene.getRoot()):
if node.callDecoration("getLayerData"):
node.getParent().removeChild(node)
break
object_groups = []
if self._profile.getSettingValue("print_sequence") == "one_at_a_time":
for node in OneAtATimeIterator(self._scene.getRoot()):
temp_list = []
## Node can't be printed, so don't bother sending it.
if getattr(node, "_outside_buildarea", False):
continue
children = node.getAllChildren()
children.append(node)
for child_node in children:
if type(child_node) is SceneNode and child_node.getMeshData(
) and child_node.getMeshData().getVertices() is not None:
temp_list.append(child_node)
if temp_list:
object_groups.append(temp_list)
Job.yieldThread()
if len(object_groups) == 0:
Logger.log(
"w",
"No objects suitable for one at a time found, or no correct order found"
)
else:
temp_list = []
for node in DepthFirstIterator(self._scene.getRoot()):
if type(node) is SceneNode and node.getMeshData(
) and node.getMeshData().getVertices() is not None:
if not getattr(node, "_outside_buildarea", False):
temp_list.append(node)
Job.yieldThread()
if temp_list:
object_groups.append(temp_list)
self._scene.releaseLock()
if not object_groups:
return
self._sendSettings(self._profile)
slice_message = self._socket.createMessage("cura.proto.Slice")
for group in object_groups:
group_message = slice_message.addRepeatedMessage("object_lists")
if group[0].getParent().callDecoration("isGroup"):
self._handlePerObjectSettings(group[0].getParent(),
group_message)
for current_object in group:
mesh_data = current_object.getMeshData().getTransformed(
current_object.getWorldTransformation())
obj = group_message.addRepeatedMessage("objects")
obj.id = id(current_object)
verts = numpy.array(mesh_data.getVertices())
verts[:, [1, 2]] = verts[:, [2, 1]]
verts[:, 1] *= -1
obj.vertices = verts
self._handlePerObjectSettings(current_object, obj)
Job.yieldThread()
Logger.log("d", "Sending data to engine for slicing.")
self._socket.sendMessage(slice_message)
Logger.log("d", "Sending data to engine is completed")
self.setResult(True)
def run(self):
Logger.log(
"d", "Processing new layer for build plate %s..." %
self._build_plate_number)
start_time = time()
view = Application.getInstance().getController().getActiveView()
if view.getPluginId() == "SimulationView":
view.resetLayerData()
self._progress_message.show()
Job.yieldThread()
if self._abort_requested:
if self._progress_message:
self._progress_message.hide()
return
Application.getInstance().getController().activeViewChanged.connect(
self._onActiveViewChanged)
# The no_setting_override is here because adding the SettingOverrideDecorator will trigger a reslice
new_node = CuraSceneNode(no_setting_override=True)
new_node.addDecorator(BuildPlateDecorator(self._build_plate_number))
# Force garbage collection.
# For some reason, Python has a tendency to keep the layer data
# in memory longer than needed. Forcing the GC to run here makes
# sure any old layer data is really cleaned up before adding new.
gc.collect()
mesh = MeshData()
layer_data = LayerDataBuilder.LayerDataBuilder()
layer_count = len(self._layers)
# Find the minimum layer number
# When disabling the remove empty first layers setting, the minimum layer number will be a positive
# value. In that case the first empty layers will be discarded and start processing layers from the
# first layer with data.
# When using a raft, the raft layers are sent as layers < 0. Instead of allowing layers < 0, we
# simply offset all other layers so the lowest layer is always 0. It could happens that the first
# raft layer has value -8 but there are just 4 raft (negative) layers.
min_layer_number = sys.maxsize
negative_layers = 0
for layer in self._layers:
if layer.repeatedMessageCount("path_segment") > 0:
if layer.id < min_layer_number:
min_layer_number = layer.id
if layer.id < 0:
negative_layers += 1
current_layer = 0
for layer in self._layers:
# If the layer is below the minimum, it means that there is no data, so that we don't create a layer
# data. However, if there are empty layers in between, we compute them.
if layer.id < min_layer_number:
continue
# Layers are offset by the minimum layer number. In case the raft (negative layers) is being used,
# then the absolute layer number is adjusted by removing the empty layers that can be in between raft
# and the model
abs_layer_number = layer.id - min_layer_number
if layer.id >= 0 and negative_layers != 0:
abs_layer_number += (min_layer_number + negative_layers)
layer_data.addLayer(abs_layer_number)
this_layer = layer_data.getLayer(abs_layer_number)
layer_data.setLayerHeight(abs_layer_number, layer.height)
layer_data.setLayerThickness(abs_layer_number, layer.thickness)
for p in range(layer.repeatedMessageCount("path_segment")):
polygon = layer.getRepeatedMessage("path_segment", p)
extruder = polygon.extruder
line_types = numpy.fromstring(
polygon.line_type,
dtype="u1") # Convert bytearray to numpy array
line_types = line_types.reshape((-1, 1))
points = numpy.fromstring(
polygon.points,
dtype="f4") # Convert bytearray to numpy array
if polygon.point_type == 0: # Point2D
points = points.reshape(
(-1, 2)
) # We get a linear list of pairs that make up the points, so make numpy interpret them correctly.
else: # Point3D
points = points.reshape((-1, 3))
line_widths = numpy.fromstring(
polygon.line_width,
dtype="f4") # Convert bytearray to numpy array
line_widths = line_widths.reshape(
(-1, 1)
) # We get a linear list of pairs that make up the points, so make numpy interpret them correctly.
line_thicknesses = numpy.fromstring(
polygon.line_thickness,
dtype="f4") # Convert bytearray to numpy array
line_thicknesses = line_thicknesses.reshape(
(-1, 1)
) # We get a linear list of pairs that make up the points, so make numpy interpret them correctly.
line_feedrates = numpy.fromstring(
polygon.line_feedrate,
dtype="f4") # Convert bytearray to numpy array
line_feedrates = line_feedrates.reshape(
(-1, 1)
) # We get a linear list of pairs that make up the points, so make numpy interpret them correctly.
# Create a new 3D-array, copy the 2D points over and insert the right height.
# This uses manual array creation + copy rather than numpy.insert since this is
# faster.
new_points = numpy.empty((len(points), 3), numpy.float32)
if polygon.point_type == 0: # Point2D
new_points[:, 0] = points[:, 0]
new_points[:,
1] = layer.height / 1000 # layer height value is in backend representation
new_points[:, 2] = -points[:, 1]
else: # Point3D
new_points[:, 0] = points[:, 0]
new_points[:, 1] = points[:, 2]
new_points[:, 2] = -points[:, 1]
this_poly = LayerPolygon.LayerPolygon(extruder, line_types,
new_points, line_widths,
line_thicknesses,
line_feedrates)
this_poly.buildCache()
this_layer.polygons.append(this_poly)
Job.yieldThread()
Job.yieldThread()
current_layer += 1
progress = (current_layer / layer_count) * 99
# TODO: Rebuild the layer data mesh once the layer has been processed.
# This needs some work in LayerData so we can add the new layers instead of recreating the entire mesh.
if self._abort_requested:
if self._progress_message:
self._progress_message.hide()
return
if self._progress_message:
self._progress_message.setProgress(progress)
# We are done processing all the layers we got from the engine, now create a mesh out of the data
# Find out colors per extruder
global_container_stack = Application.getInstance(
).getGlobalContainerStack()
manager = ExtruderManager.getInstance()
extruders = manager.getActiveExtruderStacks()
if extruders:
material_color_map = numpy.zeros((len(extruders), 4),
dtype=numpy.float32)
for extruder in extruders:
position = int(
extruder.getMetaDataEntry("position", default="0"))
try:
default_color = ExtrudersModel.defaultColors[position]
except IndexError:
default_color = "#e0e000"
color_code = extruder.material.getMetaDataEntry(
"color_code", default=default_color)
color = colorCodeToRGBA(color_code)
material_color_map[position, :] = color
else:
# Single extruder via global stack.
material_color_map = numpy.zeros((1, 4), dtype=numpy.float32)
color_code = global_container_stack.material.getMetaDataEntry(
"color_code", default="#e0e000")
color = colorCodeToRGBA(color_code)
material_color_map[0, :] = color
# We have to scale the colors for compatibility mode
if OpenGLContext.isLegacyOpenGL() or bool(
Application.getInstance().getPreferences().getValue(
"view/force_layer_view_compatibility_mode")):
line_type_brightness = 0.5 # for compatibility mode
else:
line_type_brightness = 1.0
layer_mesh = layer_data.build(material_color_map, line_type_brightness)
if self._abort_requested:
if self._progress_message:
self._progress_message.hide()
return
# Add LayerDataDecorator to scene node to indicate that the node has layer data
decorator = LayerDataDecorator.LayerDataDecorator()
decorator.setLayerData(layer_mesh)
new_node.addDecorator(decorator)
new_node.setMeshData(mesh)
# Set build volume as parent, the build volume can move as a result of raft settings.
# It makes sense to set the build volume as parent: the print is actually printed on it.
new_node_parent = Application.getInstance().getBuildVolume()
new_node.setParent(
new_node_parent) # Note: After this we can no longer abort!
settings = Application.getInstance().getGlobalContainerStack()
if not settings.getProperty("machine_center_is_zero", "value"):
new_node.setPosition(
Vector(-settings.getProperty("machine_width", "value") / 2,
0.0,
settings.getProperty("machine_depth", "value") / 2))
if self._progress_message:
self._progress_message.setProgress(100)
if self._progress_message:
self._progress_message.hide()
# Clear the unparsed layers. This saves us a bunch of memory if the Job does not get destroyed.
self._layers = None
Logger.log("d", "Processing layers took %s seconds",
time() - start_time)
def preRead(self, file_name):
self._3mf_mesh_reader = Application.getInstance().getMeshFileHandler(
).getReaderForFile(file_name)
if self._3mf_mesh_reader and self._3mf_mesh_reader.preRead(
file_name) == WorkspaceReader.PreReadResult.accepted:
pass
else:
Logger.log(
"w",
"Could not find reader that was able to read the scene data for 3MF workspace"
)
return WorkspaceReader.PreReadResult.failed
machine_name = ""
machine_type = ""
# Check if there are any conflicts, so we can ask the user.
archive = zipfile.ZipFile(file_name, "r")
cura_file_names = [
name for name in archive.namelist() if name.startswith("Cura/")
]
container_stack_files = [
name for name in cura_file_names
if name.endswith(self._container_stack_suffix)
]
self._resolve_strategies = {
"machine": None,
"quality_changes": None,
"material": None
}
machine_conflict = False
quality_changes_conflict = False
for container_stack_file in container_stack_files:
container_id = self._stripFileToId(container_stack_file)
serialized = archive.open(container_stack_file).read().decode(
"utf-8")
if machine_name == "":
machine_name = self._getMachineNameFromSerializedStack(
serialized)
stacks = self._container_registry.findContainerStacks(
id=container_id)
if stacks:
# Check if there are any changes at all in any of the container stacks.
id_list = self._getContainerIdListFromSerialized(serialized)
for index, container_id in enumerate(id_list):
if stacks[0].getContainer(index).getId() != container_id:
machine_conflict = True
Job.yieldThread()
definition_container_files = [
name for name in cura_file_names
if name.endswith(self._definition_container_suffix)
]
for definition_container_file in definition_container_files:
container_id = self._stripFileToId(definition_container_file)
definitions = self._container_registry.findDefinitionContainers(
id=container_id)
if not definitions:
definition_container = DefinitionContainer(container_id)
definition_container.deserialize(
archive.open(definition_container_file).read().decode(
"utf-8"))
if definition_container.getMetaDataEntry("type") != "extruder":
machine_type = definition_container.getName()
else:
if definitions[0].getMetaDataEntry("type") != "extruder":
machine_type = definitions[0].getName()
Job.yieldThread()
material_labels = []
material_conflict = False
xml_material_profile = self._getXmlProfileClass()
if self._material_container_suffix is None:
self._material_container_suffix = ContainerRegistry.getMimeTypeForContainer(
xml_material_profile).preferredSuffix
if xml_material_profile:
material_container_files = [
name for name in cura_file_names
if name.endswith(self._material_container_suffix)
]
for material_container_file in material_container_files:
container_id = self._stripFileToId(material_container_file)
materials = self._container_registry.findInstanceContainers(
id=container_id)
material_labels.append(
self._getMaterialLabelFromSerialized(
archive.open(material_container_file).read().decode(
"utf-8")))
if materials and not materials[0].isReadOnly(
): # Only non readonly materials can be in conflict
material_conflict = True
Job.yieldThread()
# Check if any quality_changes instance container is in conflict.
instance_container_files = [
name for name in cura_file_names
if name.endswith(self._instance_container_suffix)
]
quality_name = ""
quality_type = ""
num_settings_overriden_by_quality_changes = 0 # How many settings are changed by the quality changes
num_user_settings = 0
for instance_container_file in instance_container_files:
container_id = self._stripFileToId(instance_container_file)
instance_container = InstanceContainer(container_id)
# Deserialize InstanceContainer by converting read data from bytes to string
instance_container.deserialize(
archive.open(instance_container_file).read().decode("utf-8"))
container_type = instance_container.getMetaDataEntry("type")
if container_type == "quality_changes":
quality_name = instance_container.getName()
num_settings_overriden_by_quality_changes += len(
instance_container._instances)
# Check if quality changes already exists.
quality_changes = self._container_registry.findInstanceContainers(
id=container_id)
if quality_changes:
# Check if there really is a conflict by comparing the values
if quality_changes[0] != instance_container:
quality_changes_conflict = True
elif container_type == "quality":
# If the quality name is not set (either by quality or changes, set it now)
# Quality changes should always override this (as they are "on top")
if quality_name == "":
quality_name = instance_container.getName()
quality_type = instance_container.getName()
elif container_type == "user":
num_user_settings += len(instance_container._instances)
Job.yieldThread()
num_visible_settings = 0
try:
temp_preferences = Preferences()
temp_preferences.readFromFile(
io.TextIOWrapper(archive.open("Cura/preferences.cfg"))
) # We need to wrap it, else the archive parser breaks.
visible_settings_string = temp_preferences.getValue(
"general/visible_settings")
if visible_settings_string is not None:
num_visible_settings = len(visible_settings_string.split(";"))
active_mode = temp_preferences.getValue("cura/active_mode")
if not active_mode:
active_mode = Preferences.getInstance().getValue(
"cura/active_mode")
except KeyError:
# If there is no preferences file, it's not a workspace, so notify user of failure.
Logger.log("w", "File %s is not a valid workspace.", file_name)
return WorkspaceReader.PreReadResult.failed
# Show the dialog, informing the user what is about to happen.
self._dialog.setMachineConflict(machine_conflict)
self._dialog.setQualityChangesConflict(quality_changes_conflict)
self._dialog.setMaterialConflict(material_conflict)
self._dialog.setNumVisibleSettings(num_visible_settings)
self._dialog.setQualityName(quality_name)
self._dialog.setQualityType(quality_type)
self._dialog.setNumSettingsOverridenByQualityChanges(
num_settings_overriden_by_quality_changes)
self._dialog.setNumUserSettings(num_user_settings)
self._dialog.setActiveMode(active_mode)
self._dialog.setMachineName(machine_name)
self._dialog.setMaterialLabels(material_labels)
self._dialog.setMachineType(machine_type)
self._dialog.setHasObjectsOnPlate(
Application.getInstance().getPlatformActivity)
self._dialog.show()
# Block until the dialog is closed.
self._dialog.waitForClose()
if self._dialog.getResult() == {}:
return WorkspaceReader.PreReadResult.cancelled
self._resolve_strategies = self._dialog.getResult()
return WorkspaceReader.PreReadResult.accepted
def run(self) -> None:
if self._build_plate_number is None:
self.setResult(StartJobResult.Error)
return
stack = SteSlicerApplication.getInstance().getGlobalContainerStack()
if not stack:
self.setResult(StartJobResult.Error)
return
# Don't slice if there is a setting with an error value.
if SteSlicerApplication.getInstance().getMachineManager(
).stacksHaveErrors:
self.setResult(StartJobResult.SettingError)
return
if SteSlicerApplication.getInstance().getBuildVolume().hasErrors():
self.setResult(StartJobResult.BuildPlateError)
return
# Don't slice if the buildplate or the nozzle type is incompatible with the materials
if not SteSlicerApplication.getInstance().getMachineManager().variantBuildplateCompatible and \
not SteSlicerApplication.getInstance().getMachineManager().variantBuildplateUsable:
self.setResult(StartJobResult.MaterialIncompatible)
return
for position, extruder_stack in stack.extruders.items():
material = extruder_stack.findContainer({"type": "material"})
if not extruder_stack.isEnabled:
continue
if material:
if material.getMetaDataEntry("compatible") == False:
self.setResult(StartJobResult.MaterialIncompatible)
return
# Don't slice if there is a per object setting with an error value.
# type: ignore #Ignore type error because iter() should get called automatically by Python syntax.
for node in DepthFirstIterator(self._scene.getRoot()):
if not isinstance(node,
SteSlicerSceneNode) or not node.isSelectable():
continue
if self._checkStackForErrors(node.callDecoration("getStack")):
self.setResult(StartJobResult.ObjectSettingError)
return
with self._scene.getSceneLock():
# Remove old layer data.
# type: ignore #Ignore type error because iter() should get called automatically by Python syntax.
for node in DepthFirstIterator(self._scene.getRoot()):
if node.callDecoration("getLayerData") and node.callDecoration(
"getBuildPlateNumber") == self._build_plate_number:
node.getParent().removeChild(node)
break
# Get the objects in their groups to print.
object_groups = []
printing_mode = stack.getProperty("printing_mode", "value")
if printing_mode == "classic":
if stack.getProperty("print_sequence",
"value") == "one_at_a_time":
# type: ignore #Ignore type error because iter() should get called automatically by Python syntax.
for node in OneAtATimeIterator(self._scene.getRoot()):
temp_list = []
# Node can't be printed, so don't bother sending it.
if getattr(node, "_outside_buildarea", False):
continue
# Filter on current build plate
build_plate_number = node.callDecoration(
"getBuildPlateNumber")
if build_plate_number is not None and build_plate_number != self._build_plate_number:
continue
children = node.getAllChildren()
children.append(node)
for child_node in children:
if child_node.getMeshData(
) and child_node.getMeshData().getVertices(
) is not None:
temp_list.append(child_node)
if temp_list:
object_groups.append(temp_list)
Job.yieldThread()
if len(object_groups) == 0:
Logger.log(
"w",
"No objects suitable for one at a time found, or no correct order found"
)
else:
temp_list = []
has_printing_mesh = False
# type: ignore #Ignore type error because iter() should get called automatically by Python syntax.
for node in DepthFirstIterator(self._scene.getRoot()):
if node.callDecoration(
"isSliceable") and node.getMeshData(
) and node.getMeshData().getVertices(
) is not None:
per_object_stack = node.callDecoration("getStack")
is_non_printing_mesh = False
if per_object_stack:
is_non_printing_mesh = any(
per_object_stack.getProperty(key, "value")
for key in NON_PRINTING_MESH_SETTINGS)
# Find a reason not to add the node
if node.callDecoration(
"getBuildPlateNumber"
) != self._build_plate_number:
continue
if getattr(node, "_outside_buildarea",
False) and not is_non_printing_mesh:
continue
temp_list.append(node)
if not is_non_printing_mesh:
has_printing_mesh = True
Job.yieldThread()
# If the list doesn't have any model with suitable settings then clean the list
# otherwise CuraEngine will crash
if not has_printing_mesh:
temp_list.clear()
if temp_list:
object_groups.append(temp_list)
elif printing_mode in ["cylindrical_full", "spherical_full"]:
temp_list = []
has_printing_mesh = 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("isSliceable") and node.getMeshData(
) and node.getMeshData().getVertices() is not None:
per_object_stack = node.callDecoration("getStack")
is_non_printing_mesh = False
if per_object_stack:
is_non_printing_mesh = any(
per_object_stack.getProperty(key, "value")
for key in NON_PRINTING_MESH_SETTINGS)
# Find a reason not to add the node
if node.callDecoration("getBuildPlateNumber"
) != self._build_plate_number:
continue
if getattr(node, "_outside_buildarea",
False) and not is_non_printing_mesh:
continue
temp_list.append(node)
if not is_non_printing_mesh:
has_printing_mesh = True
Job.yieldThread()
# If the list doesn't have any model with suitable settings then clean the list
# otherwise CuraEngine will crash
if not has_printing_mesh:
temp_list.clear()
else:
self.setResult(StartJobResult.ObjectSettingError)
return
if temp_list and printing_mode in [
"cylindrical_full", "spherical_full"
]:
cut_list = []
for node in temp_list:
if printing_mode == "cylindrical_full":
radius = SteSlicerApplication.getInstance(
).getGlobalContainerStack().getProperty(
"cylindrical_mode_base_diameter", "value") / 2
height = node.getBoundingBox().height * 2
cutting_mesh = trimesh.primitives.Cylinder(radius=radius,
height=height,
sections=64)
cutting_mesh.apply_transform(
trimesh.transformations.rotation_matrix(
numpy.pi / 2, [1, 0, 0]))
elif printing_mode == "spherical_full":
radius = SteSlicerApplication.getInstance(
).getGlobalContainerStack().getProperty(
"spherical_mode_base_radius", "value")
cutting_mesh = trimesh.primitives.Sphere(radius=radius,
subdivisions=3)
else:
cutting_mesh = None
mesh_data = node.getMeshData()
if mesh_data.hasIndices():
faces = mesh_data.getIndices()
else:
num_verts = mesh_data.getVertexCount()
faces = numpy.empty((int(num_verts / 3 + 1), 3),
numpy.int32)
for i in range(0, num_verts - 2, 3):
faces[int(i / 3):] = [i, i + 1, i + 2]
verts = mesh_data.getVertices()
rot_scale = node.getWorldTransformation().getTransposed(
).getData()[0:3, 0:3]
translate = node.getWorldTransformation().getData()[:3, 3]
verts = verts.dot(rot_scale)
verts += translate
mesh = trimesh.Trimesh(vertices=verts, faces=faces)
try:
mesh.fill_holes()
mesh.fix_normals()
cutting_result = mesh.intersection(cutting_mesh,
engine="scad")
if cutting_result:
cutting_result.fill_holes()
cutting_result.fix_normals()
data = MeshData.MeshData(
vertices=cutting_result.vertices.astype('float32'),
normals=cutting_result.face_normals.astype(
'float32'),
indices=cutting_result.faces.astype('int64'))
cutting_node = SteSlicerSceneNode(
node.getParent(), no_setting_override=True)
cutting_node.addDecorator(
node.getDecorator(SettingOverrideDecorator))
except Exception as e:
Logger.log("e", "Failed to intersect model! %s", e)
cutting_result = cutting_mesh
if cutting_result:
cutting_result.fill_holes()
cutting_result.fix_normals()
data = MeshData.MeshData(
vertices=cutting_result.vertices.astype('float32'),
normals=cutting_result.face_normals.astype(
'float32'),
indices=cutting_result.faces.astype('int64'))
cutting_node = SteSlicerSceneNode(
node.getParent(), no_setting_override=True)
stack = cutting_node.callDecoration(
"getStack"
) # Don't try to get the active extruder since it may be None anyway.
if not stack:
cutting_node.addDecorator(
SettingOverrideDecorator())
stack = cutting_node.callDecoration("getStack")
settings = stack.getTop()
if not (settings.getInstance("support_mesh") and
settings.getProperty("support_mesh", "value")):
definition = stack.getSettingDefinition(
"support_mesh")
new_instance = SettingInstance(
definition, settings)
new_instance.setProperty("value",
True,
emit_signals=False)
# Ensure that the state is not seen as a user state.
new_instance.resetState()
settings.addInstance(new_instance)
if cutting_node is not None:
cutting_node.setName("cut_" + node.getName())
cutting_node.setMeshData(data)
cut_list.append(cutting_node)
object_groups.append(cut_list)
global_stack = SteSlicerApplication.getInstance(
).getGlobalContainerStack()
if not global_stack:
return
extruders_enabled = {
position: stack.isEnabled
for position, stack in global_stack.extruders.items()
}
filtered_object_groups = []
has_model_with_disabled_extruders = False
associated_disabled_extruders = set()
for group in object_groups:
stack = global_stack
skip_group = False
for node in group:
# Only check if the printing extruder is enabled for printing meshes
is_non_printing_mesh = node.callDecoration(
"evaluateIsNonPrintingMesh")
extruder_position = node.callDecoration(
"getActiveExtruderPosition")
if not is_non_printing_mesh and not extruders_enabled[
extruder_position]:
skip_group = True
has_model_with_disabled_extruders = True
associated_disabled_extruders.add(extruder_position)
if not skip_group:
filtered_object_groups.append(group)
if has_model_with_disabled_extruders:
self.setResult(StartJobResult.ObjectsWithDisabledExtruder)
associated_disabled_extruders = {
str(c)
for c in sorted(
[int(p) + 1 for p in associated_disabled_extruders])
}
self.setMessage(", ".join(associated_disabled_extruders))
return
# There are cases when there is nothing to slice. This can happen due to one at a time slicing not being
# able to find a possible sequence or because there are no objects on the build plate (or they are outside
# the build volume)
if not filtered_object_groups:
self.setResult(StartJobResult.NothingToSlice)
return
self._buildGlobalSettingsMessage(stack)
self._buildGlobalInheritsStackMessage(stack)
# Build messages for extruder stacks
# Send the extruder settings in the order of extruder positions. Somehow, if you send e.g. extruder 3 first,
# then CuraEngine can slice with the wrong settings. This I think should be fixed in CuraEngine as well.
extruder_stack_list = sorted(list(global_stack.extruders.items()),
key=lambda item: int(item[0]))
for _, extruder_stack in extruder_stack_list:
self._buildExtruderMessage(extruder_stack)
for group in filtered_object_groups:
group_message = self._slice_message.addRepeatedMessage(
"object_lists")
if group[0].getParent() is not None and group[0].getParent(
).callDecoration("isGroup"):
self._handlePerObjectSettings(group[0].getParent(),
group_message)
for object in group:
mesh_data = object.getMeshData()
rot_scale = object.getWorldTransformation().getTransposed(
).getData()[0:3, 0:3]
translate = object.getWorldTransformation().getData()[:3, 3]
# This effectively performs a limited form of MeshData.getTransformed that ignores normals.
verts = mesh_data.getVertices()
verts = verts.dot(rot_scale)
if printing_mode == "classic":
verts += translate
# Convert from Y up axes to Z up axes. Equals a 90 degree rotation.
verts[:, [1, 2]] = verts[:, [2, 1]]
verts[:, 1] *= -1
obj = group_message.addRepeatedMessage("objects")
obj.id = id(object)
obj.name = object.getName()
indices = mesh_data.getIndices()
if indices is not None:
flat_verts = numpy.take(verts, indices.flatten(), axis=0)
else:
flat_verts = numpy.array(verts)
obj.vertices = flat_verts
self._handlePerObjectSettings(object, obj)
Job.yieldThread()
self.setResult(StartJobResult.Finished)
def read(self, file_name):
Logger.log("d", "Preparing to load %s" % file_name)
self._cancelled = False
scene_node = SceneNode()
# Override getBoundingBox function of the sceneNode, as this node should return a bounding box, but there is no
# real data to calculate it from.
scene_node.getBoundingBox = self._getNullBoundingBox
gcode_list = []
self._is_layers_in_file = False
Logger.log("d", "Opening file %s" % file_name)
self._extruder_offsets = self._extruderOffsets(
) # dict with index the extruder number. can be empty
last_z = 0
with open(file_name, "r") as file:
file_lines = 0
current_line = 0
for line in file:
file_lines += 1
gcode_list.append(line)
if not self._is_layers_in_file and line[:len(
self._layer_keyword)] == self._layer_keyword:
self._is_layers_in_file = True
file.seek(0)
file_step = max(math.floor(file_lines / 100), 1)
self._clearValues()
self._message = Message(catalog.i18nc("@info:status",
"Parsing G-code"),
lifetime=0)
self._message.setProgress(0)
self._message.show()
Logger.log("d", "Parsing %s..." % file_name)
current_position = self._position(0, 0, 0, [0])
current_path = []
for line in file:
if self._cancelled:
Logger.log("d", "Parsing %s cancelled" % file_name)
return None
current_line += 1
last_z = current_position.z
if current_line % file_step == 0:
self._message.setProgress(
math.floor(current_line / file_lines * 100))
Job.yieldThread()
if len(line) == 0:
continue
if line.find(self._type_keyword) == 0:
type = line[len(self._type_keyword):].strip()
if type == "WALL-INNER":
self._layer_type = LayerPolygon.InsetXType
elif type == "WALL-OUTER":
self._layer_type = LayerPolygon.Inset0Type
elif type == "SKIN":
self._layer_type = LayerPolygon.SkinType
elif type == "SKIRT":
self._layer_type = LayerPolygon.SkirtType
elif type == "SUPPORT":
self._layer_type = LayerPolygon.SupportType
elif type == "FILL":
self._layer_type = LayerPolygon.InfillType
if self._is_layers_in_file and line[:len(
self._layer_keyword)] == self._layer_keyword:
try:
layer_number = int(line[len(self._layer_keyword):])
self._createPolygon(
self._current_layer_thickness, current_path,
self._extruder_offsets.get(self._extruder_number,
[0, 0]))
current_path.clear()
self._layer_number = layer_number
except:
pass
# This line is a comment. Ignore it (except for the layer_keyword)
if line.startswith(";"):
continue
G = self._getInt(line, "G")
if G is not None:
current_position = self._processGCode(
G, line, current_position, current_path)
# < 2 is a heuristic for a movement only, that should not be counted as a layer
if current_position.z > last_z and abs(current_position.z -
last_z) < 2:
if self._createPolygon(
self._current_layer_thickness, current_path,
self._extruder_offsets.get(
self._extruder_number, [0, 0])):
current_path.clear()
if not self._is_layers_in_file:
self._layer_number += 1
continue
if line.startswith("T"):
T = self._getInt(line, "T")
if T is not None:
self._createPolygon(
self._current_layer_thickness, current_path,
self._extruder_offsets.get(self._extruder_number,
[0, 0]))
current_path.clear()
current_position = self._processTCode(
T, line, current_position, current_path)
# "Flush" leftovers
if not self._is_layers_in_file and len(current_path) > 1:
if self._createPolygon(
self._current_layer_thickness, current_path,
self._extruder_offsets.get(self._extruder_number,
[0, 0])):
self._layer_number += 1
current_path.clear()
material_color_map = numpy.zeros((10, 4), dtype=numpy.float32)
material_color_map[0, :] = [0.0, 0.7, 0.9, 1.0]
material_color_map[1, :] = [0.7, 0.9, 0.0, 1.0]
layer_mesh = self._layer_data_builder.build(material_color_map)
decorator = LayerDataDecorator.LayerDataDecorator()
decorator.setLayerData(layer_mesh)
scene_node.addDecorator(decorator)
gcode_list_decorator = GCodeListDecorator()
gcode_list_decorator.setGCodeList(gcode_list)
scene_node.addDecorator(gcode_list_decorator)
Application.getInstance().getController().getScene(
).gcode_list = gcode_list
Logger.log("d", "Finished parsing %s" % file_name)
self._message.hide()
if self._layer_number == 0:
Logger.log("w",
"File %s doesn't contain any valid layers" % file_name)
settings = Application.getInstance().getGlobalContainerStack()
machine_width = settings.getProperty("machine_width", "value")
machine_depth = settings.getProperty("machine_depth", "value")
if not self._center_is_zero:
scene_node.setPosition(
Vector(-machine_width / 2, 0, machine_depth / 2))
Logger.log("d", "Loaded %s" % file_name)
if Preferences.getInstance().getValue("gcodereader/show_caution"):
caution_message = Message(catalog.i18nc(
"@info:generic",
"Make sure the g-code is suitable for your printer and printer configuration before sending the file to it. The g-code representation may not be accurate."
),
lifetime=0)
caution_message.show()
# The "save/print" button's state is bound to the backend state.
backend = Application.getInstance().getBackend()
backend.backendStateChange.emit(Backend.BackendState.Disabled)
return scene_node
def run(self) -> None:
"""Runs the job that initiates the slicing."""
if self._build_plate_number is None:
self.setResult(StartJobResult.Error)
return
stack = CuraApplication.getInstance().getGlobalContainerStack()
if not stack:
self.setResult(StartJobResult.Error)
return
# Don't slice if there is a setting with an error value.
if CuraApplication.getInstance().getMachineManager().stacksHaveErrors:
self.setResult(StartJobResult.SettingError)
return
if CuraApplication.getInstance().getBuildVolume().hasErrors():
self.setResult(StartJobResult.BuildPlateError)
return
# Wait for error checker to be done.
while CuraApplication.getInstance().getMachineErrorChecker(
).needToWaitForResult:
time.sleep(0.1)
if CuraApplication.getInstance().getMachineErrorChecker().hasError:
self.setResult(StartJobResult.SettingError)
return
# Don't slice if the buildplate or the nozzle type is incompatible with the materials
if not CuraApplication.getInstance().getMachineManager().variantBuildplateCompatible and \
not CuraApplication.getInstance().getMachineManager().variantBuildplateUsable:
self.setResult(StartJobResult.MaterialIncompatible)
return
for extruder_stack in stack.extruderList:
material = extruder_stack.findContainer({"type": "material"})
if not extruder_stack.isEnabled:
continue
if material:
if material.getMetaDataEntry("compatible") == False:
self.setResult(StartJobResult.MaterialIncompatible)
return
# Don't slice if there is a per object setting with an error value.
for node in DepthFirstIterator(self._scene.getRoot()):
if not isinstance(node, CuraSceneNode) or not node.isSelectable():
continue
if self._checkStackForErrors(node.callDecoration("getStack")):
self.setResult(StartJobResult.ObjectSettingError)
return
# Remove old layer data.
for node in DepthFirstIterator(self._scene.getRoot()):
if node.callDecoration("getLayerData") and node.callDecoration(
"getBuildPlateNumber") == self._build_plate_number:
# Singe we walk through all nodes in the scene, they always have a parent.
cast(SceneNode, node.getParent()).removeChild(node)
break
# Get the objects in their groups to print.
object_groups = []
if stack.getProperty("print_sequence", "value") == "one_at_a_time":
for node in OneAtATimeIterator(self._scene.getRoot()):
temp_list = []
# Node can't be printed, so don't bother sending it.
if getattr(node, "_outside_buildarea", False):
continue
# Filter on current build plate
build_plate_number = node.callDecoration("getBuildPlateNumber")
if build_plate_number is not None and build_plate_number != self._build_plate_number:
continue
children = node.getAllChildren()
children.append(node)
for child_node in children:
mesh_data = child_node.getMeshData()
if mesh_data and mesh_data.getVertices() is not None:
temp_list.append(child_node)
if temp_list:
object_groups.append(temp_list)
Job.yieldThread()
if len(object_groups) == 0:
Logger.log(
"w",
"No objects suitable for one at a time found, or no correct order found"
)
else:
temp_list = []
has_printing_mesh = False
for node in DepthFirstIterator(self._scene.getRoot()):
mesh_data = node.getMeshData()
if node.callDecoration(
"isSliceable") and mesh_data and mesh_data.getVertices(
) is not None:
is_non_printing_mesh = bool(
node.callDecoration("isNonPrintingMesh"))
# Find a reason not to add the node
if node.callDecoration(
"getBuildPlateNumber") != self._build_plate_number:
continue
if getattr(node, "_outside_buildarea",
False) and not is_non_printing_mesh:
continue
temp_list.append(node)
if not is_non_printing_mesh:
has_printing_mesh = True
Job.yieldThread()
# If the list doesn't have any model with suitable settings then clean the list
# otherwise CuraEngine will crash
if not has_printing_mesh:
temp_list.clear()
if temp_list:
object_groups.append(temp_list)
global_stack = CuraApplication.getInstance().getGlobalContainerStack()
if not global_stack:
return
extruders_enabled = [
stack.isEnabled for stack in global_stack.extruderList
]
filtered_object_groups = []
has_model_with_disabled_extruders = False
associated_disabled_extruders = set()
for group in object_groups:
stack = global_stack
skip_group = False
for node in group:
# Only check if the printing extruder is enabled for printing meshes
is_non_printing_mesh = node.callDecoration(
"evaluateIsNonPrintingMesh")
extruder_position = int(
node.callDecoration("getActiveExtruderPosition"))
if not is_non_printing_mesh and not extruders_enabled[
extruder_position]:
skip_group = True
has_model_with_disabled_extruders = True
associated_disabled_extruders.add(extruder_position)
if not skip_group:
filtered_object_groups.append(group)
if has_model_with_disabled_extruders:
self.setResult(StartJobResult.ObjectsWithDisabledExtruder)
associated_disabled_extruders = {
p + 1
for p in associated_disabled_extruders
}
self.setMessage(", ".join(
map(str, sorted(associated_disabled_extruders))))
return
# There are cases when there is nothing to slice. This can happen due to one at a time slicing not being
# able to find a possible sequence or because there are no objects on the build plate (or they are outside
# the build volume)
if not filtered_object_groups:
self.setResult(StartJobResult.NothingToSlice)
return
self._buildGlobalSettingsMessage(stack)
self._buildGlobalInheritsStackMessage(stack)
# Build messages for extruder stacks
for extruder_stack in global_stack.extruderList:
self._buildExtruderMessage(extruder_stack)
for group in filtered_object_groups:
group_message = self._slice_message.addRepeatedMessage(
"object_lists")
parent = group[0].getParent()
if parent is not None and parent.callDecoration("isGroup"):
self._handlePerObjectSettings(cast(CuraSceneNode, parent),
group_message)
for object in group:
mesh_data = object.getMeshData()
if mesh_data is None:
continue
rot_scale = object.getWorldTransformation().getTransposed(
).getData()[0:3, 0:3]
translate = object.getWorldTransformation().getData()[:3, 3]
# This effectively performs a limited form of MeshData.getTransformed that ignores normals.
verts = mesh_data.getVertices()
verts = verts.dot(rot_scale)
verts += translate
# Convert from Y up axes to Z up axes. Equals a 90 degree rotation.
verts[:, [1, 2]] = verts[:, [2, 1]]
verts[:, 1] *= -1
obj = group_message.addRepeatedMessage("objects")
obj.id = id(object)
obj.name = object.getName()
indices = mesh_data.getIndices()
if indices is not None:
flat_verts = numpy.take(verts, indices.flatten(), axis=0)
else:
flat_verts = numpy.array(verts)
obj.vertices = flat_verts
self._handlePerObjectSettings(cast(CuraSceneNode, object), obj)
Job.yieldThread()
self.setResult(StartJobResult.Finished)
def processCliStream(self, stream: str) -> Optional[SteSlicerSceneNode]:
Logger.log("d", "Preparing to load CLI")
self._cancelled = False
self._setPrintSettings()
self._is_layers_in_file = False
scene_node = SteSlicerSceneNode()
gcode_list = []
self._writeStartCode(gcode_list)
gcode_list.append(";LAYER_COUNT\n")
# Reading starts here
file_lines = 0
current_line = 0
for line in stream.split("\n"):
file_lines += 1
if not self._is_layers_in_file and line[:len(self._layer_keyword)] == self._layer_keyword:
self._is_layers_in_file = True
file_step = max(math.floor(file_lines / 100), 1)
self._clearValues()
self._message = Message(catalog.i18nc("@info:status", "Parsing CLI"),
lifetime=0,
title=catalog.i18nc("@info:title", "CLI Details"))
assert(self._message is not None) # use for typing purposes
self._message.setProgress(0)
self._message.show()
Logger.log("d", "Parsing CLI...")
self._position = Position(0, 0, 0, 0, 0, 1, 0, [0])
self._gcode_position = Position(0, 0, 0, 0, 0, 0, 0, [0])
current_path = [] # type: List[List[float]]
geometry_start = False
for line in stream.split("\n"):
if self._cancelled:
Logger.log("d", "Parsing CLI file cancelled")
return None
current_line += 1
if current_line % file_step == 0:
self._message.setProgress(math.floor(
current_line / file_lines * 100))
Job.yieldThread()
if len(line) == 0:
continue
if line == "$$GEOMETRYSTART":
geometry_start = True
continue
if not geometry_start:
continue
if self._is_layers_in_file and line[:len(self._layer_keyword)] == self._layer_keyword:
try:
layer_height = float(line[len(self._layer_keyword):])
self._current_layer_thickness = layer_height - self._current_layer_height
if self._current_layer_thickness > 0.4:
self._current_layer_thickness = 0.2
self._current_layer_height = layer_height
self._createPolygon(self._current_layer_thickness, current_path, self._extruder_offsets.get(
self._extruder_number, [0, 0]))
current_path.clear()
# Start the new layer at the end position of the last layer
current_path.append([self._position.x, self._position.y, self._position.z, self._position.a, self._position.b,
self._position.c, self._position.f, self._position.e[self._extruder_number], LayerPolygon.MoveCombingType])
self._layer_number += 1
gcode_list.append(";LAYER:%s\n" % self._layer_number)
except:
pass
if line.find(self._body_type_keyword) == 0:
self._layer_type = LayerPolygon.Inset0Type
if line.find(self._support_type_keyword) == 0:
self._layer_type = LayerPolygon.SupportType
if line.find(self._perimeter_type_keyword) == 0:
self._layer_type = LayerPolygon.Inset0Type
if line.find(self._skin_type_keyword) == 0:
self._layer_type = LayerPolygon.SkinType
if line.find(self._infill_type_keyword) == 0:
self._layer_type = LayerPolygon.InfillType
# Comment line
if line.startswith("//"):
continue
# Polyline processing
self.processPolyline(line, current_path, gcode_list)
# "Flush" leftovers. Last layer paths are still stored
if len(current_path) > 1:
if self._createPolygon(self._current_layer_thickness, current_path, self._extruder_offsets.get(self._extruder_number, [0, 0])):
self._layer_number += 1
current_path.clear()
layer_count_idx = gcode_list.index(";LAYER_COUNT\n")
if layer_count_idx > 0:
gcode_list[layer_count_idx] = ";LAYER_COUNT:%s\n" % self._layer_number
end_gcode = self._global_stack.getProperty(
"machine_end_gcode", "value")
gcode_list.append(end_gcode + "\n")
material_color_map = numpy.zeros((8, 4), dtype=numpy.float32)
material_color_map[0, :] = [0.0, 0.7, 0.9, 1.0]
material_color_map[1, :] = [0.7, 0.9, 0.0, 1.0]
material_color_map[2, :] = [0.9, 0.0, 0.7, 1.0]
material_color_map[3, :] = [0.7, 0.0, 0.0, 1.0]
material_color_map[4, :] = [0.0, 0.7, 0.0, 1.0]
material_color_map[5, :] = [0.0, 0.0, 0.7, 1.0]
material_color_map[6, :] = [0.3, 0.3, 0.3, 1.0]
material_color_map[7, :] = [0.7, 0.7, 0.7, 1.0]
layer_mesh = self._layer_data_builder.build(material_color_map)
decorator = LayerDataDecorator()
decorator.setLayerData(layer_mesh)
scene_node.addDecorator(decorator)
gcode_list_decorator = GCodeListDecorator()
gcode_list_decorator.setGCodeList(gcode_list)
scene_node.addDecorator(gcode_list_decorator)
# gcode_dict stores gcode_lists for a number of build plates.
active_build_plate_id = SteSlicerApplication.getInstance(
).getMultiBuildPlateModel().activeBuildPlate
gcode_dict = {active_build_plate_id: gcode_list}
# type: ignore #Because gcode_dict is generated dynamically.
SteSlicerApplication.getInstance().getController().getScene().gcode_dict = gcode_dict
Logger.log("d", "Finished parsing CLI file")
self._message.hide()
if self._layer_number == 0:
Logger.log("w", "File doesn't contain any valid layers")
if not self._global_stack.getProperty("machine_center_is_zero", "value"):
machine_width = self._global_stack.getProperty(
"machine_width", "value")
machine_depth = self._global_stack.getProperty(
"machine_depth", "value")
scene_node.setPosition(
Vector(-machine_width / 2, 0, machine_depth / 2))
Logger.log("d", "CLI loading finished")
if SteSlicerApplication.getInstance().getPreferences().getValue("gcodereader/show_caution"):
caution_message = Message(catalog.i18nc(
"@info:generic",
"Make sure the g-code is suitable for your printer and printer configuration before sending the file to it. The g-code representation may not be accurate."),
lifetime=0,
title=catalog.i18nc("@info:title", "G-code Details"))
caution_message.show()
backend = SteSlicerApplication.getInstance().getBackend()
backend.backendStateChange.emit(Backend.BackendState.Disabled)
return scene_node
def run(self) -> None:
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 Objects"))
status_message.show()
scene = Application.getInstance().getController().getScene()
total_progress = len(self._objects) * self._count
current_progress = 0
global_container_stack = Application.getInstance(
).getGlobalContainerStack()
if global_container_stack is None:
return # We can't do anything in this case.
machine_width = global_container_stack.getProperty(
"machine_width", "value")
machine_depth = global_container_stack.getProperty(
"machine_depth", "value")
root = scene.getRoot()
scale = 0.5
arranger = Arrange.create(x=machine_width,
y=machine_depth,
scene_root=root,
scale=scale,
min_offset=self._min_offset)
processed_nodes = [] # type: List[SceneNode]
nodes = []
not_fit_count = 0
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")
or current_node.getParent().callDecoration("isSliceable")):
current_node = current_node.getParent()
if current_node in processed_nodes:
continue
processed_nodes.append(current_node)
node_too_big = False
if node.getBoundingBox(
).width < machine_width or node.getBoundingBox(
).depth < machine_depth:
offset_shape_arr, hull_shape_arr = ShapeArray.fromNode(
current_node, min_offset=self._min_offset, scale=scale)
else:
node_too_big = True
found_solution_for_all = True
arranger.resetLastPriority()
for i in range(self._count):
# We do place the nodes one by one, as we want to yield in between.
new_node = copy.deepcopy(node)
solution_found = False
if not node_too_big:
if offset_shape_arr is not None and hull_shape_arr is not None:
solution_found = arranger.findNodePlacement(
new_node, offset_shape_arr, hull_shape_arr)
else:
# The node has no shape, so no need to arrange it. The solution is simple: Do nothing.
solution_found = True
if node_too_big or not solution_found:
found_solution_for_all = False
new_location = new_node.getPosition()
new_location = new_location.set(z=-not_fit_count * 20)
new_node.setPosition(new_location)
not_fit_count += 1
# 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 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()
x, y = 200, 200
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).
# We also skip possibilities by slicing through the possibilities (step = 10)
try_placement = True
current_build_plate_number = 0 # always start with the first one
# # Only for first build plate
# if last_size == size and last_build_plate_number == current_build_plate_number:
# # This optimization works if many of the objects have the same size
# # Continue with same build plate number
# start_priority = last_priority
# else:
# start_priority = 0
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(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
arranger.place(
x, y,
hull_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()
def processGCodeFile(self, file_name):
Logger.log("d", "Preparing to load %s" % file_name)
self._cancelled = False
# We obtain the filament diameter from the selected printer to calculate line widths
self._filament_diameter = Application.getInstance(
).getGlobalContainerStack().getProperty("material_diameter", "value")
scene_node = SceneNode()
# Override getBoundingBox function of the sceneNode, as this node should return a bounding box, but there is no
# real data to calculate it from.
scene_node.getBoundingBox = self._getNullBoundingBox
gcode_list = []
self._is_layers_in_file = False
Logger.log("d", "Opening file %s" % file_name)
self._extruder_offsets = self._extruderOffsets(
) # dict with index the extruder number. can be empty
with open(file_name, "r") as file:
file_lines = 0
current_line = 0
for line in file:
file_lines += 1
gcode_list.append(line)
if not self._is_layers_in_file and line[:len(
self._layer_keyword)] == self._layer_keyword:
self._is_layers_in_file = True
file.seek(0)
file_step = max(math.floor(file_lines / 100), 1)
self._clearValues()
self._message = Message(catalog.i18nc("@info:status",
"Parsing G-code"),
lifetime=0,
title=catalog.i18nc(
"@info:title", "G-code Details"))
self._message.setProgress(0)
self._message.show()
Logger.log("d", "Parsing %s..." % file_name)
current_position = self._position(0, 0, 0, 0, [0])
current_path = []
min_layer_number = 0
negative_layers = 0
previous_layer = 0
for line in file:
if self._cancelled:
Logger.log("d", "Parsing %s cancelled" % file_name)
return None
current_line += 1
if current_line % file_step == 0:
self._message.setProgress(
math.floor(current_line / file_lines * 100))
Job.yieldThread()
if len(line) == 0:
continue
if line.find(self._type_keyword) == 0:
type = line[len(self._type_keyword):].strip()
if type == "WALL-INNER":
self._layer_type = LayerPolygon.InsetXType
elif type == "WALL-OUTER":
self._layer_type = LayerPolygon.Inset0Type
elif type == "SKIN":
self._layer_type = LayerPolygon.SkinType
elif type == "SKIRT":
self._layer_type = LayerPolygon.SkirtType
elif type == "SUPPORT":
self._layer_type = LayerPolygon.SupportType
elif type == "FILL":
self._layer_type = LayerPolygon.InfillType
else:
Logger.log(
"w",
"Encountered a unknown type (%s) while parsing g-code.",
type)
# When the layer change is reached, the polygon is computed so we have just one layer per layer per extruder
if self._is_layers_in_file and line[:len(
self._layer_keyword)] == self._layer_keyword:
try:
layer_number = int(line[len(self._layer_keyword):])
self._createPolygon(
self._current_layer_thickness, current_path,
self._extruder_offsets.get(self._extruder_number,
[0, 0]))
current_path.clear()
# When using a raft, the raft layers are stored as layers < 0, it mimics the same behavior
# as in ProcessSlicedLayersJob
if layer_number < min_layer_number:
min_layer_number = layer_number
if layer_number < 0:
layer_number += abs(min_layer_number)
negative_layers += 1
else:
layer_number += negative_layers
# In case there is a gap in the layer count, empty layers are created
for empty_layer in range(previous_layer + 1,
layer_number):
self._createEmptyLayer(empty_layer)
self._layer_number = layer_number
previous_layer = layer_number
except:
pass
# This line is a comment. Ignore it (except for the layer_keyword)
if line.startswith(";"):
continue
G = self._getInt(line, "G")
if G is not None:
# When find a movement, the new posistion is calculated and added to the current_path, but
# don't need to create a polygon until the end of the layer
current_position = self.processGCode(
G, line, current_position, current_path)
continue
# When changing the extruder, the polygon with the stored paths is computed
if line.startswith("T"):
T = self._getInt(line, "T")
if T is not None:
self._createPolygon(
self._current_layer_thickness, current_path,
self._extruder_offsets.get(self._extruder_number,
[0, 0]))
current_path.clear()
current_position = self.processTCode(
T, line, current_position, current_path)
if line.startswith("M"):
M = self._getInt(line, "M")
self.processMCode(M, line, current_position, current_path)
# "Flush" leftovers. Last layer paths are still stored
if len(current_path) > 1:
if self._createPolygon(
self._current_layer_thickness, current_path,
self._extruder_offsets.get(self._extruder_number,
[0, 0])):
self._layer_number += 1
current_path.clear()
material_color_map = numpy.zeros((10, 4), dtype=numpy.float32)
material_color_map[0, :] = [0.0, 0.7, 0.9, 1.0]
material_color_map[1, :] = [0.7, 0.9, 0.0, 1.0]
layer_mesh = self._layer_data_builder.build(material_color_map)
decorator = LayerDataDecorator.LayerDataDecorator()
decorator.setLayerData(layer_mesh)
scene_node.addDecorator(decorator)
gcode_list_decorator = GCodeListDecorator()
gcode_list_decorator.setGCodeList(gcode_list)
scene_node.addDecorator(gcode_list_decorator)
Application.getInstance().getController().getScene(
).gcode_list = gcode_list
Logger.log("d", "Finished parsing %s" % file_name)
self._message.hide()
if self._layer_number == 0:
Logger.log("w",
"File %s doesn't contain any valid layers" % file_name)
settings = Application.getInstance().getGlobalContainerStack()
machine_width = settings.getProperty("machine_width", "value")
machine_depth = settings.getProperty("machine_depth", "value")
if not self._center_is_zero:
scene_node.setPosition(
Vector(-machine_width / 2, 0, machine_depth / 2))
Logger.log("d", "Loaded %s" % file_name)
if Preferences.getInstance().getValue("gcodereader/show_caution"):
caution_message = Message(catalog.i18nc(
"@info:generic",
"Make sure the g-code is suitable for your printer and printer configuration before sending the file to it. The g-code representation may not be accurate."
),
lifetime=0,
title=catalog.i18nc(
"@info:title", "G-code Details"))
caution_message.show()
# The "save/print" button's state is bound to the backend state.
backend = Application.getInstance().getBackend()
backend.backendStateChange.emit(Backend.BackendState.Disabled)
return scene_node
def run(self):
start_time = time()
if Application.getInstance().getController().getActiveView(
).getPluginId() == "LayerView":
self._progress = Message(
catalog.i18nc("@info:status", "Processing Layers"), 0, False,
-1)
self._progress.show()
Job.yieldThread()
if self._abort_requested:
if self._progress:
self._progress.hide()
return
Application.getInstance().getController().activeViewChanged.connect(
self._onActiveViewChanged)
new_node = SceneNode()
## Remove old layer data (if any)
for node in DepthFirstIterator(self._scene.getRoot()):
if node.callDecoration("getLayerData"):
node.getParent().removeChild(node)
break
if self._abort_requested:
if self._progress:
self._progress.hide()
return
# Force garbage collection.
# For some reason, Python has a tendency to keep the layer data
# in memory longer than needed. Forcing the GC to run here makes
# sure any old layer data is really cleaned up before adding new.
gc.collect()
mesh = MeshData()
layer_data = LayerDataBuilder.LayerDataBuilder()
layer_count = len(self._layers)
# Find the minimum layer number
# When using a raft, the raft layers are sent as layers < 0. Instead of allowing layers < 0, we
# instead simply offset all other layers so the lowest layer is always 0.
min_layer_number = 0
for layer in self._layers:
if layer.id < min_layer_number:
min_layer_number = layer.id
current_layer = 0
for layer in self._layers:
abs_layer_number = layer.id + abs(min_layer_number)
layer_data.addLayer(abs_layer_number)
this_layer = layer_data.getLayer(abs_layer_number)
layer_data.setLayerHeight(abs_layer_number, layer.height)
for p in range(layer.repeatedMessageCount("path_segment")):
polygon = layer.getRepeatedMessage("path_segment", p)
extruder = polygon.extruder
line_types = numpy.fromstring(
polygon.line_type,
dtype="u1") # Convert bytearray to numpy array
line_types = line_types.reshape((-1, 1))
points = numpy.fromstring(
polygon.points,
dtype="f4") # Convert bytearray to numpy array
if polygon.point_type == 0: # Point2D
points = points.reshape(
(-1, 2)
) # We get a linear list of pairs that make up the points, so make numpy interpret them correctly.
else: # Point3D
points = points.reshape((-1, 3))
line_widths = numpy.fromstring(
polygon.line_width,
dtype="f4") # Convert bytearray to numpy array
line_widths = line_widths.reshape(
(-1, 1)
) # We get a linear list of pairs that make up the points, so make numpy interpret them correctly.
# In the future, line_thicknesses should be given by CuraEngine as well.
# Currently the infill layer thickness also translates to line width
line_thicknesses = numpy.zeros(line_widths.shape, dtype="f4")
line_thicknesses[:] = layer.thickness / 1000 # from micrometer to millimeter
# Create a new 3D-array, copy the 2D points over and insert the right height.
# This uses manual array creation + copy rather than numpy.insert since this is
# faster.
new_points = numpy.empty((len(points), 3), numpy.float32)
if polygon.point_type == 0: # Point2D
new_points[:, 0] = points[:, 0]
new_points[:,
1] = layer.height / 1000 # layer height value is in backend representation
new_points[:, 2] = -points[:, 1]
else: # Point3D
new_points[:, 0] = points[:, 0]
new_points[:, 1] = points[:, 2]
new_points[:, 2] = -points[:, 1]
this_poly = LayerPolygon.LayerPolygon(extruder, line_types,
new_points, line_widths,
line_thicknesses)
this_poly.buildCache()
this_layer.polygons.append(this_poly)
Job.yieldThread()
Job.yieldThread()
current_layer += 1
progress = (current_layer / layer_count) * 99
# TODO: Rebuild the layer data mesh once the layer has been processed.
# This needs some work in LayerData so we can add the new layers instead of recreating the entire mesh.
if self._abort_requested:
if self._progress:
self._progress.hide()
return
if self._progress:
self._progress.setProgress(progress)
# We are done processing all the layers we got from the engine, now create a mesh out of the data
# Find out colors per extruder
global_container_stack = Application.getInstance(
).getGlobalContainerStack()
manager = ExtruderManager.getInstance()
extruders = list(
manager.getMachineExtruders(global_container_stack.getId()))
if extruders:
material_color_map = numpy.zeros((len(extruders), 4),
dtype=numpy.float32)
for extruder in extruders:
position = int(
extruder.getMetaDataEntry("position",
default="0")) # Get the position
try:
default_color = ExtrudersModel.defaultColors[position]
except IndexError:
default_color = "#e0e000"
color_code = extruder.material.getMetaDataEntry(
"color_code", default=default_color)
color = colorCodeToRGBA(color_code)
material_color_map[position, :] = color
else:
# Single extruder via global stack.
material_color_map = numpy.zeros((1, 4), dtype=numpy.float32)
color_code = global_container_stack.material.getMetaDataEntry(
"color_code", default="#e0e000")
color = colorCodeToRGBA(color_code)
material_color_map[0, :] = color
# We have to scale the colors for compatibility mode
if OpenGLContext.isLegacyOpenGL() or bool(Preferences.getInstance(
).getValue("view/force_layer_view_compatibility_mode")):
line_type_brightness = 0.5 # for compatibility mode
else:
line_type_brightness = 1.0
layer_mesh = layer_data.build(material_color_map, line_type_brightness)
if self._abort_requested:
if self._progress:
self._progress.hide()
return
# Add LayerDataDecorator to scene node to indicate that the node has layer data
decorator = LayerDataDecorator.LayerDataDecorator()
decorator.setLayerData(layer_mesh)
new_node.addDecorator(decorator)
new_node.setMeshData(mesh)
# Set build volume as parent, the build volume can move as a result of raft settings.
# It makes sense to set the build volume as parent: the print is actually printed on it.
new_node_parent = Application.getInstance().getBuildVolume()
new_node.setParent(
new_node_parent) # Note: After this we can no longer abort!
settings = Application.getInstance().getGlobalContainerStack()
if not settings.getProperty("machine_center_is_zero", "value"):
new_node.setPosition(
Vector(-settings.getProperty("machine_width", "value") / 2,
0.0,
settings.getProperty("machine_depth", "value") / 2))
if self._progress:
self._progress.setProgress(100)
view = Application.getInstance().getController().getActiveView()
if view.getPluginId() == "LayerView":
view.resetLayerData()
if self._progress:
self._progress.hide()
# Clear the unparsed layers. This saves us a bunch of memory if the Job does not get destroyed.
self._layers = None
Logger.log("d", "Processing layers took %s seconds",
time() - start_time)
def run(self):
stack = Application.getInstance().getGlobalContainerStack()
if not stack:
self.setResult(StartJobResult.Error)
return
# Don't slice if there is a setting with an error value.
if Application.getInstance().getMachineManager().stacksHaveErrors:
self.setResult(StartJobResult.SettingError)
return
if Application.getInstance().getBuildVolume().hasErrors():
self.setResult(StartJobResult.BuildPlateError)
return
for extruder_stack in ExtruderManager.getInstance(
).getMachineExtruders(stack.getId()):
material = extruder_stack.findContainer({"type": "material"})
if material:
if material.getMetaDataEntry("compatible") == False:
self.setResult(StartJobResult.MaterialIncompatible)
return
# Don't slice if there is a per object setting with an error value.
for node in DepthFirstIterator(self._scene.getRoot()):
if type(node) is not SceneNode or not node.isSelectable():
continue
if self._checkStackForErrors(node.callDecoration("getStack")):
self.setResult(StartJobResult.ObjectSettingError)
return
with self._scene.getSceneLock():
# Remove old layer data.
for node in DepthFirstIterator(self._scene.getRoot()):
if node.callDecoration("getLayerData"):
node.getParent().removeChild(node)
break
# Get the objects in their groups to print.
object_groups = []
if stack.getProperty("print_sequence", "value") == "one_at_a_time":
for node in OneAtATimeIterator(self._scene.getRoot()):
temp_list = []
# Node can't be printed, so don't bother sending it.
if getattr(node, "_outside_buildarea", False):
continue
children = node.getAllChildren()
children.append(node)
for child_node in children:
if type(child_node
) is SceneNode and child_node.getMeshData(
) and child_node.getMeshData().getVertices(
) is not None:
temp_list.append(child_node)
if temp_list:
object_groups.append(temp_list)
Job.yieldThread()
if len(object_groups) == 0:
Logger.log(
"w",
"No objects suitable for one at a time found, or no correct order found"
)
else:
temp_list = []
for node in DepthFirstIterator(self._scene.getRoot()):
if type(node) is SceneNode and node.getMeshData(
) and node.getMeshData().getVertices() is not None:
if not getattr(node, "_outside_buildarea",
False) or getattr(
node, "_non_printing_mesh", False):
temp_list.append(node)
Job.yieldThread()
if temp_list:
object_groups.append(temp_list)
# There are cases when there is nothing to slice. This can happen due to one at a time slicing not being
# able to find a possible sequence or because there are no objects on the build plate (or they are outside
# the build volume)
if not object_groups:
self.setResult(StartJobResult.NothingToSlice)
return
self._buildGlobalSettingsMessage(stack)
self._buildGlobalInheritsStackMessage(stack)
# Build messages for extruder stacks
for extruder_stack in ExtruderManager.getInstance(
).getMachineExtruders(stack.getId()):
self._buildExtruderMessage(extruder_stack)
for group in object_groups:
group_message = self._slice_message.addRepeatedMessage(
"object_lists")
if group[0].getParent().callDecoration("isGroup"):
self._handlePerObjectSettings(group[0].getParent(),
group_message)
for object in group:
mesh_data = object.getMeshData()
rot_scale = object.getWorldTransformation().getTransposed(
).getData()[0:3, 0:3]
translate = object.getWorldTransformation().getData()[:3,
3]
# This effectively performs a limited form of MeshData.getTransformed that ignores normals.
verts = mesh_data.getVertices()
verts = verts.dot(rot_scale)
verts += translate
# Convert from Y up axes to Z up axes. Equals a 90 degree rotation.
verts[:, [1, 2]] = verts[:, [2, 1]]
verts[:, 1] *= -1
obj = group_message.addRepeatedMessage("objects")
obj.id = id(object)
indices = mesh_data.getIndices()
if indices is not None:
flat_verts = numpy.take(verts,
indices.flatten(),
axis=0)
else:
flat_verts = numpy.array(verts)
obj.vertices = flat_verts
self._handlePerObjectSettings(object, obj)
Job.yieldThread()
self.setResult(StartJobResult.Finished)
def run(self):
Job.yieldThread()
self.setResult(self._writer.write(self._stream, self._data,
self._mode))
def read(self, file_name):
result = None
extension = os.path.splitext(file_name)[1]
if extension.lower() == self._supported_extension:
result = SceneNode()
# The base object of 3mf is a zipped archive.
archive = zipfile.ZipFile(file_name, 'r')
try:
root = ET.parse(archive.open("3D/3dmodel.model"))
# There can be multiple objects, try to load all of them.
objects = root.findall("./3mf:resources/3mf:object", self._namespaces)
if len(objects) == 0:
Logger.log("w", "No objects found in 3MF file %s, either the file is corrupt or you are using an outdated format", file_name)
return None
for object in objects:
mesh = MeshData()
node = SceneNode()
vertex_list = []
#for vertex in object.mesh.vertices.vertex:
for vertex in object.findall(".//3mf:vertex", self._namespaces):
vertex_list.append([vertex.get("x"), vertex.get("y"), vertex.get("z")])
Job.yieldThread()
triangles = object.findall(".//3mf:triangle", self._namespaces)
mesh.reserveFaceCount(len(triangles))
#for triangle in object.mesh.triangles.triangle:
for triangle in triangles:
v1 = int(triangle.get("v1"))
v2 = int(triangle.get("v2"))
v3 = int(triangle.get("v3"))
mesh.addFace(vertex_list[v1][0],vertex_list[v1][1],vertex_list[v1][2],vertex_list[v2][0],vertex_list[v2][1],vertex_list[v2][2],vertex_list[v3][0],vertex_list[v3][1],vertex_list[v3][2])
Job.yieldThread()
#TODO: We currently do not check for normals and simply recalculate them.
mesh.calculateNormals()
node.setMeshData(mesh)
node.setSelectable(True)
transformation = root.findall("./3mf:build/3mf:item[@objectid='{0}']".format(object.get("id")), self._namespaces)
if transformation:
transformation = transformation[0]
if transformation.get("transform"):
splitted_transformation = transformation.get("transform").split()
## Transformation is saved as:
## M00 M01 M02 0.0
## M10 M11 M12 0.0
## M20 M21 M22 0.0
## M30 M31 M32 1.0
## We switch the row & cols as that is how everyone else uses matrices!
temp_mat = Matrix()
# Rotation & Scale
temp_mat._data[0,0] = splitted_transformation[0]
temp_mat._data[1,0] = splitted_transformation[1]
temp_mat._data[2,0] = splitted_transformation[2]
temp_mat._data[0,1] = splitted_transformation[3]
temp_mat._data[1,1] = splitted_transformation[4]
temp_mat._data[2,1] = splitted_transformation[5]
temp_mat._data[0,2] = splitted_transformation[6]
temp_mat._data[1,2] = splitted_transformation[7]
temp_mat._data[2,2] = splitted_transformation[8]
# Translation
temp_mat._data[0,3] = splitted_transformation[9]
temp_mat._data[1,3] = splitted_transformation[10]
temp_mat._data[2,3] = splitted_transformation[11]
node.setPosition(Vector(temp_mat.at(0,3), temp_mat.at(1,3), temp_mat.at(2,3)))
temp_quaternion = Quaternion()
temp_quaternion.setByMatrix(temp_mat)
node.setOrientation(temp_quaternion)
# Magical scale extraction
S2 = temp_mat.getTransposed().multiply(temp_mat)
scale_x = math.sqrt(S2.at(0,0))
scale_y = math.sqrt(S2.at(1,1))
scale_z = math.sqrt(S2.at(2,2))
node.setScale(Vector(scale_x,scale_y,scale_z))
# We use a different coordinate frame, so rotate.
#rotation = Quaternion.fromAngleAxis(-0.5 * math.pi, Vector(1,0,0))
#node.rotate(rotation)
result.addChild(node)
Job.yieldThread()
#If there is more then one object, group them.
try:
if len(objects) > 1:
group_decorator = GroupDecorator()
result.addDecorator(group_decorator)
except:
pass
except Exception as e:
Logger.log("e" ,"exception occured in 3mf reader: %s" , e)
return result
def _buildGlobalSettingsMessage(self, stack: ContainerStack) -> None:
settings = self._buildReplacementTokens(stack)
# Pre-compute material material_bed_temp_prepend and material_print_temp_prepend
start_gcode = settings["machine_start_gcode"]
bed_temperature_settings = [
"material_bed_temperature", "material_bed_temperature_layer_0"
]
# match {setting} as well as {setting, extruder_nr}
pattern = r"\{(%s)(,\s?\w+)?\}" % "|".join(bed_temperature_settings)
settings["material_bed_temp_prepend"] = re.search(
pattern, start_gcode) == None
print_temperature_settings = [
"material_print_temperature", "material_print_temperature_layer_0",
"default_material_print_temperature",
"material_initial_print_temperature",
"material_final_print_temperature", "material_standby_temperature"
]
# match {setting} as well as {setting, extruder_nr}
pattern = r"\{(%s)(,\s?\w+)?\}" % "|".join(print_temperature_settings)
settings["material_print_temp_prepend"] = re.search(
pattern, start_gcode) == None
# Replace the setting tokens in start and end g-code.
# Use values from the first used extruder by default so we get the expected temperatures
initial_extruder_stack = SteSlicerApplication.getInstance(
).getExtruderManager().getUsedExtruderStacks()[0]
initial_extruder_nr = initial_extruder_stack.getProperty(
"extruder_nr", "value")
settings["machine_start_gcode"] = self._expandGcodeTokens(
settings["machine_start_gcode"], initial_extruder_nr)
settings["machine_end_gcode"] = self._expandGcodeTokens(
settings["machine_end_gcode"], initial_extruder_nr)
printing_mode = settings["printing_mode"]
if printing_mode in ["classic", "cylindrical_full"]:
settings["infill_extruder_nr"] = settings[
"classic_infill_extruder_nr"]
settings["speed_infill"] = settings["speed_infill_classic"]
settings["speed_wall_0"] = settings["speed_wall_0_classic"]
settings["speed_wall_x"] = settings["speed_wall_x_classic"]
settings["speed_roofing"] = settings["speed_roofing_classic"]
settings["speed_topbottom"] = settings["speed_topbottom_classic"]
settings["speed_support_infill"] = settings[
"speed_support_infill_classic"]
settings["speed_travel"] = settings["speed_travel_classic"]
settings["speed_print_layer_0"] = settings[
"speed_print_layer_0_classic"]
settings["speed_travel_layer_0"] = settings[
"speed_travel_layer_0_classic"]
settings["cool_fan_enabled"] = settings["cool_fan_enabled_classic"]
settings["cool_fan_speed_min"] = settings[
"cool_fan_speed_min_classic"]
settings["cool_fan_speed_max"] = settings[
"cool_fan_speed_max_classic"]
# Add all sub-messages for each individual setting.
for key, value in settings.items():
setting_message = self._slice_message.getMessage(
"global_settings").addRepeatedMessage("settings")
setting_message.name = key
setting_message.value = str(value).encode("utf-8")
Job.yieldThread()
def run(self):
if self._build_plate_number is None:
self.setResult(StartJobResult.Error)
return
stack = Application.getInstance().getGlobalContainerStack()
if not stack:
self.setResult(StartJobResult.Error)
return
# Don't slice if there is a setting with an error value.
if Application.getInstance().getMachineManager().stacksHaveErrors:
self.setResult(StartJobResult.SettingError)
return
if Application.getInstance().getBuildVolume().hasErrors():
self.setResult(StartJobResult.BuildPlateError)
return
# Don't slice if the buildplate or the nozzle type is incompatible with the materials
if not Application.getInstance().getMachineManager().variantBuildplateCompatible and \
not Application.getInstance().getMachineManager().variantBuildplateUsable:
self.setResult(StartJobResult.MaterialIncompatible)
return
for position, extruder_stack in stack.extruders.items():
material = extruder_stack.findContainer({"type": "material"})
if not extruder_stack.isEnabled:
continue
if material:
if material.getMetaDataEntry("compatible") == False:
self.setResult(StartJobResult.MaterialIncompatible)
return
# Don't slice if there is a per object setting with an error value.
for node in DepthFirstIterator(self._scene.getRoot()):
if not isinstance(node, CuraSceneNode) or not node.isSelectable():
continue
if self._checkStackForErrors(node.callDecoration("getStack")):
self.setResult(StartJobResult.ObjectSettingError)
return
with self._scene.getSceneLock():
# Remove old layer data.
for node in DepthFirstIterator(self._scene.getRoot()):
if node.callDecoration("getLayerData") and node.callDecoration(
"getBuildPlateNumber") == self._build_plate_number:
node.getParent().removeChild(node)
break
# Get the objects in their groups to print.
object_groups = []
if stack.getProperty("print_sequence", "value") == "one_at_a_time":
for node in OneAtATimeIterator(self._scene.getRoot()):
temp_list = []
# Node can't be printed, so don't bother sending it.
if getattr(node, "_outside_buildarea", False):
continue
# Filter on current build plate
build_plate_number = node.callDecoration(
"getBuildPlateNumber")
if build_plate_number is not None and build_plate_number != self._build_plate_number:
continue
children = node.getAllChildren()
children.append(node)
for child_node in children:
if child_node.getMeshData() and child_node.getMeshData(
).getVertices() is not None:
temp_list.append(child_node)
if temp_list:
object_groups.append(temp_list)
Job.yieldThread()
if len(object_groups) == 0:
Logger.log(
"w",
"No objects suitable for one at a time found, or no correct order found"
)
else:
temp_list = []
has_printing_mesh = False
for node in DepthFirstIterator(self._scene.getRoot()):
if node.callDecoration("isSliceable") and node.getMeshData(
) and node.getMeshData().getVertices() is not None:
per_object_stack = node.callDecoration("getStack")
is_non_printing_mesh = False
if per_object_stack:
is_non_printing_mesh = any(
per_object_stack.getProperty(key, "value")
for key in NON_PRINTING_MESH_SETTINGS)
# Find a reason not to add the node
if node.callDecoration("getBuildPlateNumber"
) != self._build_plate_number:
continue
if getattr(node, "_outside_buildarea",
False) and not is_non_printing_mesh:
continue
temp_list.append(node)
if not is_non_printing_mesh:
has_printing_mesh = True
Job.yieldThread()
#If the list doesn't have any model with suitable settings then clean the list
# otherwise CuraEngine will crash
if not has_printing_mesh:
temp_list.clear()
if temp_list:
object_groups.append(temp_list)
extruders_enabled = {
position: stack.isEnabled
for position, stack in Application.getInstance().
getGlobalContainerStack().extruders.items()
}
filtered_object_groups = []
for group in object_groups:
stack = Application.getInstance().getGlobalContainerStack()
skip_group = False
for node in group:
if not extruders_enabled[node.callDecoration(
"getActiveExtruderPosition")]:
skip_group = True
break
if not skip_group:
filtered_object_groups.append(group)
# There are cases when there is nothing to slice. This can happen due to one at a time slicing not being
# able to find a possible sequence or because there are no objects on the build plate (or they are outside
# the build volume)
if not filtered_object_groups:
self.setResult(StartJobResult.NothingToSlice)
return
self._buildGlobalSettingsMessage(stack)
self._buildGlobalInheritsStackMessage(stack)
# Build messages for extruder stacks
for extruder_stack in ExtruderManager.getInstance(
).getMachineExtruders(stack.getId()):
self._buildExtruderMessage(extruder_stack)
for group in filtered_object_groups:
group_message = self._slice_message.addRepeatedMessage(
"object_lists")
if group[0].getParent() is not None and group[0].getParent(
).callDecoration("isGroup"):
self._handlePerObjectSettings(group[0].getParent(),
group_message)
for object in group:
mesh_data = object.getMeshData()
rot_scale = object.getWorldTransformation().getTransposed(
).getData()[0:3, 0:3]
translate = object.getWorldTransformation().getData()[:3,
3]
# This effectively performs a limited form of MeshData.getTransformed that ignores normals.
verts = mesh_data.getVertices()
verts = verts.dot(rot_scale)
verts += translate
# Convert from Y up axes to Z up axes. Equals a 90 degree rotation.
verts[:, [1, 2]] = verts[:, [2, 1]]
verts[:, 1] *= -1
obj = group_message.addRepeatedMessage("objects")
obj.id = id(object)
indices = mesh_data.getIndices()
if indices is not None:
flat_verts = numpy.take(verts,
indices.flatten(),
axis=0)
else:
flat_verts = numpy.array(verts)
obj.vertices = flat_verts
self._handlePerObjectSettings(object, obj)
Job.yieldThread()
self.setResult(StartJobResult.Finished)
def read(self, file_name):
result = SceneNode()
# The base object of 3mf is a zipped archive.
archive = zipfile.ZipFile(file_name, "r")
try:
root = ET.parse(archive.open("3D/3dmodel.model"))
# There can be multiple objects, try to load all of them.
objects = root.findall("./3mf:resources/3mf:object", self._namespaces)
if len(objects) == 0:
Logger.log("w", "No objects found in 3MF file %s, either the file is corrupt or you are using an outdated format", file_name)
return None
for entry in objects:
mesh = MeshData()
node = SceneNode()
vertex_list = []
#for vertex in entry.mesh.vertices.vertex:
for vertex in entry.findall(".//3mf:vertex", self._namespaces):
vertex_list.append([vertex.get("x"), vertex.get("y"), vertex.get("z")])
Job.yieldThread()
triangles = entry.findall(".//3mf:triangle", self._namespaces)
mesh.reserveFaceCount(len(triangles))
#for triangle in object.mesh.triangles.triangle:
for triangle in triangles:
v1 = int(triangle.get("v1"))
v2 = int(triangle.get("v2"))
v3 = int(triangle.get("v3"))
mesh.addFace(vertex_list[v1][0],vertex_list[v1][1],vertex_list[v1][2],vertex_list[v2][0],vertex_list[v2][1],vertex_list[v2][2],vertex_list[v3][0],vertex_list[v3][1],vertex_list[v3][2])
Job.yieldThread()
# Rotate the model; We use a different coordinate frame.
rotation = Matrix()
rotation.setByRotationAxis(-0.5 * math.pi, Vector(1,0,0))
mesh = mesh.getTransformed(rotation)
#TODO: We currently do not check for normals and simply recalculate them.
mesh.calculateNormals()
node.setMeshData(mesh)
node.setSelectable(True)
transformation = root.findall("./3mf:build/3mf:item[@objectid='{0}']".format(entry.get("id")), self._namespaces)
if transformation:
transformation = transformation[0]
try:
if transformation.get("transform"):
splitted_transformation = transformation.get("transform").split()
## Transformation is saved as:
## M00 M01 M02 0.0
## M10 M11 M12 0.0
## M20 M21 M22 0.0
## M30 M31 M32 1.0
## We switch the row & cols as that is how everyone else uses matrices!
temp_mat = Matrix()
# Rotation & Scale
temp_mat._data[0,0] = splitted_transformation[0]
temp_mat._data[1,0] = splitted_transformation[1]
temp_mat._data[2,0] = splitted_transformation[2]
temp_mat._data[0,1] = splitted_transformation[3]
temp_mat._data[1,1] = splitted_transformation[4]
temp_mat._data[2,1] = splitted_transformation[5]
temp_mat._data[0,2] = splitted_transformation[6]
temp_mat._data[1,2] = splitted_transformation[7]
temp_mat._data[2,2] = splitted_transformation[8]
# Translation
temp_mat._data[0,3] = splitted_transformation[9]
temp_mat._data[1,3] = splitted_transformation[10]
temp_mat._data[2,3] = splitted_transformation[11]
node.setTransformation(temp_mat)
except AttributeError:
pass # Empty list was found. Getting transformation is not possible
result.addChild(node)
Job.yieldThread()
#If there is more then one object, group them.
try:
if len(objects) > 1:
group_decorator = GroupDecorator()
result.addDecorator(group_decorator)
except:
pass
except Exception as e:
Logger.log("e" ,"exception occured in 3mf reader: %s" , e)
return result
def _generateSceneNode(self, file_name, offset, peak_height, slopeHeight,
closeTopButtonFace, reversePathToration, splitWord):
Job.yieldThread()
if not splitWord:
scene_node = SceneNode()
mesh = MeshBuilder()
else:
scene_node = []
areaTop = 0
areaBottom = 0
pathDetectNotEqual = False
for subPaths in self._paths:
if splitWord:
mesh = MeshBuilder()
pros = self._vu._gen_offset_paths(subPaths)
clocks = []
for path in subPaths:
reverse = file_name.endswith('.nc')
if reverse == (not reversePathToration):
path.reverse()
(clock, holePoint) = self._vu.clockWish(path)
clocks.append(clock)
lastPaths = self._vu._exec_offset(pros, clocks, 0)
if offset != 0:
currPaths = lastPaths
self._vu.addSidFaces(lastPaths, currPaths, clocks, mesh, 0,
peak_height - slopeHeight)
currPaths = self._vu._exec_offset(pros, clocks, offset)
pathDetectNotEqual = self._vu.addSidFaces(
lastPaths, currPaths, clocks, mesh,
peak_height - slopeHeight, peak_height)
else:
currPaths = lastPaths
self._vu.addSidFaces(lastPaths, currPaths, clocks, mesh, 0,
peak_height)
if closeTopButtonFace:
areaTop += self._vu.addTopButtonFace(True, currPaths, mesh,
peak_height)
areaBottom += self._vu.addTopButtonFace(
False, lastPaths, mesh, 0)
if splitWord:
mesh.calculateNormals(fast=True)
_sceneNode = SceneNode()
_sceneNode.setMeshData(mesh.build())
scene_node.append(_sceneNode)
if not splitWord:
mesh.calculateNormals(fast=True)
scene_node.setMeshData(mesh.build())
else:
scene_node.reverse()
if closeTopButtonFace:
if pathDetectNotEqual:
m = Message(i18n_catalog.i18nc(
'@info:status',
'Top/Buttom area :{} mm\xc2\xb2 ,{} mm\xc2\xb2\n There may be broken, please reduce the offset',
round(areaTop, 2), round(areaBottom, 2)),
lifetime=0)
else:
m = Message(i18n_catalog.i18nc(
'@info:status',
'Top/Buttom area :{} mm\xc2\xb2 ,{} mm\xc2\xb2',
round(areaTop, 2), round(areaBottom, 2)),
lifetime=0)
m.addAction(
'regenerate', i18n_catalog.i18nc('@action:button',
'regenerate'), 'regenerate',
i18n_catalog.i18nc('@info:tooltip', 'Regenerating model'))
m._filename = file_name
m.actionTriggered.connect(self._onMessageActionTriggered)
m.show()
return scene_node
def run(self):
loading_message = Message(i18n_catalog.i18nc(
"@info:status", "Loading <filename>{0}</filename>",
self._filename),
lifetime=0,
dismissable=False)
loading_message.setProgress(-1)
loading_message.show()
Job.yieldThread(
) # Yield to any other thread that might want to do something else.
node = None
try:
begin_time = time.time()
node = self._handler.read(self._filename)
end_time = time.time()
Logger.log("d", "Loading mesh took %s seconds",
end_time - begin_time)
except:
Logger.logException("e", "Exception in mesh loader")
if not node:
loading_message.hide()
result_message = Message(
i18n_catalog.i18nc("@info:status",
"Failed to load <filename>{0}</filename>",
self._filename))
result_message.show()
return
if node.getMeshData():
node.getMeshData().setFileName(self._filename)
# 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
node._resetAABB()
bounding_box = node.getBoundingBox()
timeout_counter = 0
#As the calculation of the bounding box is in a seperate thread it might be that it's not done yet.
while bounding_box.width == 0 or bounding_box.height == 0 or bounding_box.depth == 0:
bounding_box = node.getBoundingBox()
time.sleep(0.1)
timeout_counter += 1
if timeout_counter > 10:
break
if max_bounds.width < bounding_box.width or max_bounds.height < bounding_box.height or max_bounds.depth < bounding_box.depth:
scale_factor_width = max_bounds.width / bounding_box.width
scale_factor_height = max_bounds.height / bounding_box.height
scale_factor_depth = max_bounds.depth / bounding_box.depth
scale_factor = min(scale_factor_width, scale_factor_height,
scale_factor_depth)
scale_vector = Vector(scale_factor, scale_factor, scale_factor)
display_scale_factor = scale_factor * 100
if Preferences.getInstance().getValue(
"mesh/scale_to_fit") == True:
scale_message = Message(
i18n_catalog.i18nc(
"@info:status",
"Auto scaled object to {0}% of original size",
("%i" % display_scale_factor)))
try:
node.scale(scale_vector)
scale_message.show()
except Exception as e:
print(e)
self.setResult(node)
loading_message.hide()
def run(self):
if self._handler is None:
Logger.log("e", "FileHandler was not set.")
return None
reader = self._handler.getReaderForFile(self._filename)
if not reader:
result_message = Message(i18n_catalog.i18nc(
"@info:status",
"Cannot open file type <filename>{0}</filename>",
self._filename),
lifetime=0)
result_message.show()
return
# Give the plugin a chance to display a dialog before showing the loading UI
try:
pre_read_result = reader.preRead(self._filename)
except:
Logger.logException("e", "Failed to pre-read the file %s",
self._filename)
pre_read_result = MeshReader.PreReadResult.failed
if pre_read_result != MeshReader.PreReadResult.accepted:
if pre_read_result == MeshReader.PreReadResult.failed:
result_message = Message(i18n_catalog.i18nc(
"@info:status", "Failed to load <filename>{0}</filename>",
self._filename),
lifetime=0)
result_message.show()
return
self._loading_message = Message(i18n_catalog.i18nc(
"@info:status", "Loading <filename>{0}</filename>",
self._filename),
lifetime=0,
dismissable=False)
self._loading_message.setProgress(-1)
self._loading_message.show()
Job.yieldThread(
) # Yield to any other thread that might want to do something else.
try:
begin_time = time.time()
self.setResult(self._handler.readerRead(reader, self._filename))
end_time = time.time()
Logger.log("d", "Loading file took %0.1f seconds",
end_time - begin_time)
except:
Logger.logException("e",
"Exception occurred while loading file %s",
self._filename)
finally:
if self._result is None:
self._loading_message.hide()
result_message = Message(i18n_catalog.i18nc(
"@info:status", "Failed to load <filename>{0}</filename>",
self._filename),
lifetime=0)
result_message.show()
return
self._loading_message.hide()
def run(self):
Logger.log(
"d", "Processing new layer for build plate %s..." %
self._build_plate_number)
start_time = time()
view = Application.getInstance().getController().getActiveView()
if view.getPluginId() == "SimulationView":
view.resetLayerData()
self._progress_message.show()
Job.yieldThread()
if self._abort_requested:
if self._progress_message:
self._progress_message.hide()
return
Application.getInstance().getController().activeViewChanged.connect(
self._onActiveViewChanged)
# The no_setting_override is here because adding the SettingOverrideDecorator will trigger a reslice
new_node = CuraSceneNode(no_setting_override=True)
new_node.addDecorator(BuildPlateDecorator(self._build_plate_number))
# Force garbage collection.
# For some reason, Python has a tendency to keep the layer data
# in memory longer than needed. Forcing the GC to run here makes
# sure any old layer data is really cleaned up before adding new.
gc.collect()
mesh = MeshData()
layer_data = LayerDataBuilder.LayerDataBuilder()
layer_count = len(self._layers)
# Find the minimum layer number
# When using a raft, the raft layers are sent as layers < 0. Instead of allowing layers < 0, we
# instead simply offset all other layers so the lowest layer is always 0. It could happens that
# the first raft layer has value -8 but there are just 4 raft (negative) layers.
min_layer_number = 0
negative_layers = 0
for layer in self._layers:
if layer.id < min_layer_number:
min_layer_number = layer.id
if layer.id < 0:
negative_layers += 1
current_layer = 0
for layer in self._layers:
# Negative layers are offset by the minimum layer number, but the positive layers are just
# offset by the number of negative layers so there is no layer gap between raft and model
abs_layer_number = layer.id + abs(
min_layer_number
) if layer.id < 0 else layer.id + negative_layers
layer_data.addLayer(abs_layer_number)
this_layer = layer_data.getLayer(abs_layer_number)
layer_data.setLayerHeight(abs_layer_number, layer.height)
layer_data.setLayerThickness(abs_layer_number, layer.thickness)
for p in range(layer.repeatedMessageCount("path_segment")):
polygon = layer.getRepeatedMessage("path_segment", p)
extruder = polygon.extruder
line_types = numpy.fromstring(
polygon.line_type,
dtype="u1") # Convert bytearray to numpy array
line_types = line_types.reshape((-1, 1))
points = numpy.fromstring(
polygon.points,
dtype="f4") # Convert bytearray to numpy array
if polygon.point_type == 0: # Point2D
points = points.reshape(
(-1, 2)
) # We get a linear list of pairs that make up the points, so make numpy interpret them correctly.
else: # Point3D
points = points.reshape((-1, 3))
line_widths = numpy.fromstring(
polygon.line_width,
dtype="f4") # Convert bytearray to numpy array
line_widths = line_widths.reshape(
(-1, 1)
) # We get a linear list of pairs that make up the points, so make numpy interpret them correctly.
line_thicknesses = numpy.fromstring(
polygon.line_thickness,
dtype="f4") # Convert bytearray to numpy array
line_thicknesses = line_thicknesses.reshape(
(-1, 1)
) # We get a linear list of pairs that make up the points, so make numpy interpret them correctly.
line_feedrates = numpy.fromstring(
polygon.line_feedrate,
dtype="f4") # Convert bytearray to numpy array
line_feedrates = line_feedrates.reshape(
(-1, 1)
) # We get a linear list of pairs that make up the points, so make numpy interpret them correctly.
global_container_stack = Application.getInstance(
).getGlobalContainerStack()
half_outer_wall_thickness = global_container_stack.getProperty(
"wall_line_width_0", "value") / 2
# Adjust layer data to show Raft line type, if it is enabled
if global_container_stack.getProperty("blackbelt_raft",
"value"):
raft_thickness = global_container_stack.getProperty(
"blackbelt_raft_thickness", "value")
extrusion_started = False
for index, segment_type in enumerate(line_types):
if points[index + 1][
1] <= half_outer_wall_thickness + raft_thickness:
if segment_type in [
LayerPolygon.LayerPolygon.Inset0Type,
LayerPolygon.LayerPolygon.InsetXType
]:
line_types[
index] = LayerPolygon.LayerPolygon.SkirtType
extrusion_started = True
elif extrusion_started:
break
# Adjust layer data to show Belt Wall feed rate, if it is enabled
if global_container_stack.getProperty(
"blackbelt_belt_wall_enabled", "value"):
belt_wall_feedrate = global_container_stack.getProperty(
"blackbelt_belt_wall_speed", "value")
belt_wall_indices = []
for index, point in enumerate(points):
if point[1] <= half_outer_wall_thickness:
if last_point_hit_wall and line_feedrates[
index - 1] > belt_wall_feedrate:
belt_wall_indices.append(index)
last_point_hit_wall = True
else:
last_point_hit_wall = False
dimensionality = points.shape[1]
edited_points = points.flatten()
line_types = line_types.flatten()
line_widths = line_widths.flatten()
line_thicknesses = line_thicknesses.flatten()
line_feedrates = line_feedrates.flatten()
for index in reversed(belt_wall_indices):
edited_points = numpy.insert(
edited_points, dimensionality * (index),
numpy.append(points[index - 1], points[index]))
line_types = numpy.insert(line_types, index,
[line_types[index - 1]] * 2)
line_widths = numpy.insert(
line_widths, index, [line_widths[index - 1]] * 2)
line_thicknesses = numpy.insert(
line_thicknesses, index,
[line_thicknesses[index - 1]] * 2)
line_feedrates = numpy.insert(line_feedrates,
index - 1,
[belt_wall_feedrate] * 2)
# Fix shape of adjusted data
if polygon.point_type == 0:
points = edited_points.reshape(
(-1, 2)
) # We get a linear list of pairs that make up the points, so make numpy interpret them correctly.
else:
points = edited_points.reshape((-1, 3))
line_types = line_types.reshape((-1, 1))
line_widths = line_widths.reshape((-1, 1))
line_thicknesses = line_thicknesses.reshape((-1, 1))
line_feedrates = line_feedrates.reshape((-1, 1))
# Create a new 3D-array, copy the 2D points over and insert the right height.
# This uses manual array creation + copy rather than numpy.insert since this is
# faster.
new_points = numpy.empty((len(points), 3), numpy.float32)
if polygon.point_type == 0: # Point2D
new_points[:, 0] = points[:, 0]
new_points[:,
1] = layer.height / 1000 # layer height value is in backend representation
new_points[:, 2] = -points[:, 1]
else: # Point3D
new_points[:, 0] = points[:, 0]
new_points[:, 1] = points[:, 2]
new_points[:, 2] = -points[:, 1]
this_poly = LayerPolygon.LayerPolygon(extruder, line_types,
new_points, line_widths,
line_thicknesses,
line_feedrates)
this_poly.buildCache()
this_layer.polygons.append(this_poly)
Job.yieldThread()
Job.yieldThread()
current_layer += 1
progress = (current_layer / layer_count) * 99
# TODO: Rebuild the layer data mesh once the layer has been processed.
# This needs some work in LayerData so we can add the new layers instead of recreating the entire mesh.
if self._abort_requested:
if self._progress_message:
self._progress_message.hide()
return
if self._progress_message:
self._progress_message.setProgress(progress)
# We are done processing all the layers we got from the engine, now create a mesh out of the data
# Find out colors per extruder
global_container_stack = Application.getInstance(
).getGlobalContainerStack()
manager = ExtruderManager.getInstance()
extruders = list(
manager.getMachineExtruders(global_container_stack.getId()))
if extruders:
material_color_map = numpy.zeros((len(extruders), 4),
dtype=numpy.float32)
for extruder in extruders:
position = int(
extruder.getMetaDataEntry("position",
default="0")) # Get the position
try:
default_color = ExtrudersModel.defaultColors[position]
except IndexError:
default_color = "#e0e000"
color_code = extruder.material.getMetaDataEntry(
"color_code", default=default_color)
color = colorCodeToRGBA(color_code)
material_color_map[position, :] = color
else:
# Single extruder via global stack.
material_color_map = numpy.zeros((1, 4), dtype=numpy.float32)
color_code = global_container_stack.material.getMetaDataEntry(
"color_code", default="#e0e000")
color = colorCodeToRGBA(color_code)
material_color_map[0, :] = color
# We have to scale the colors for compatibility mode
if OpenGLContext.isLegacyOpenGL() or bool(Preferences.getInstance(
).getValue("view/force_layer_view_compatibility_mode")):
line_type_brightness = 0.5 # for compatibility mode
else:
line_type_brightness = 1.0
layer_mesh = layer_data.build(material_color_map, line_type_brightness)
if self._abort_requested:
if self._progress_message:
self._progress_message.hide()
return
# Add LayerDataDecorator to scene node to indicate that the node has layer data
decorator = LayerDataDecorator.LayerDataDecorator()
decorator.setLayerData(layer_mesh)
new_node.addDecorator(decorator)
new_node.setMeshData(mesh)
# Set build volume as parent, the build volume can move as a result of raft settings.
# It makes sense to set the build volume as parent: the print is actually printed on it.
new_node_parent = Application.getInstance().getBuildVolume()
new_node.setParent(
new_node_parent) # Note: After this we can no longer abort!
settings = Application.getInstance().getGlobalContainerStack()
if not settings.getProperty("machine_center_is_zero", "value"):
new_node.setPosition(
Vector(-settings.getProperty("machine_width", "value") / 2,
0.0,
settings.getProperty("machine_depth", "value") / 2))
transform = self._scene.getRoot().callDecoration("getTransformMatrix")
if transform and transform != Matrix():
transform_matrix = new_node.getLocalTransformation().preMultiply(
transform.getInverse())
new_node.setTransformation(transform_matrix)
front_offset = self._scene.getRoot().callDecoration(
"getSceneFrontOffset")
if global_container_stack.getProperty("blackbelt_raft", "value"):
front_offset = front_offset - global_container_stack.getProperty("blackbelt_raft_margin", "value") \
- global_container_stack.getProperty("blackbelt_raft_thickness", "value")
new_node.translate(Vector(0, 0, front_offset),
SceneNode.TransformSpace.World)
if self._progress_message:
self._progress_message.setProgress(100)
if self._progress_message:
self._progress_message.hide()
# Clear the unparsed layers. This saves us a bunch of memory if the Job does not get destroyed.
self._layers = None
Logger.log("d", "Processing layers took %s seconds",
time() - start_time)
def _createNodeFromObject(self, object, name=""):
node = SceneNode()
node.setName(name)
mesh_builder = MeshBuilder()
vertex_list = []
components = object.find(".//3mf:components", self._namespaces)
if components:
for component in components:
id = component.get("objectid")
new_object = self._root.find(
"./3mf:resources/3mf:object[@id='{0}']".format(id),
self._namespaces)
new_node = self._createNodeFromObject(
new_object, self._base_name + "_" + str(id))
node.addChild(new_node)
transform = component.get("transform")
if transform is not None:
new_node.setTransformation(
self._createMatrixFromTransformationString(transform))
# for vertex in entry.mesh.vertices.vertex:
for vertex in object.findall(".//3mf:vertex", self._namespaces):
vertex_list.append(
[vertex.get("x"),
vertex.get("y"),
vertex.get("z")])
Job.yieldThread()
xml_settings = list(object.findall(".//cura:setting",
self._namespaces))
# Add the setting override decorator, so we can add settings to this node.
if xml_settings:
node.addDecorator(SettingOverrideDecorator())
global_container_stack = Application.getInstance(
).getGlobalContainerStack()
# Ensure the correct next container for the SettingOverride decorator is set.
if global_container_stack:
multi_extrusion = global_container_stack.getProperty(
"machine_extruder_count", "value") > 1
# Ensure that all extruder data is reset
if not multi_extrusion:
default_stack_id = global_container_stack.getId()
else:
default_stack = ExtruderManager.getInstance(
).getExtruderStack(0)
if default_stack:
default_stack_id = default_stack.getId()
else:
default_stack_id = global_container_stack.getId()
node.callDecoration("setActiveExtruder", default_stack_id)
# Get the definition & set it
definition = QualityManager.getInstance(
).getParentMachineDefinition(
global_container_stack.getBottom())
node.callDecoration("getStack").getTop().setDefinition(
definition)
setting_container = node.callDecoration("getStack").getTop()
for setting in xml_settings:
setting_key = setting.get("key")
setting_value = setting.text
# Extruder_nr is a special case.
if setting_key == "extruder_nr":
extruder_stack = ExtruderManager.getInstance(
).getExtruderStack(int(setting_value))
if extruder_stack:
node.callDecoration("setActiveExtruder",
extruder_stack.getId())
else:
Logger.log("w",
"Unable to find extruder in position %s",
setting_value)
continue
setting_container.setProperty(setting_key, "value",
setting_value)
if len(node.getChildren()) > 0:
group_decorator = GroupDecorator()
node.addDecorator(group_decorator)
triangles = object.findall(".//3mf:triangle", self._namespaces)
mesh_builder.reserveFaceCount(len(triangles))
for triangle in triangles:
v1 = int(triangle.get("v1"))
v2 = int(triangle.get("v2"))
v3 = int(triangle.get("v3"))
mesh_builder.addFaceByPoints(
vertex_list[v1][0], vertex_list[v1][1], vertex_list[v1][2],
vertex_list[v2][0], vertex_list[v2][1], vertex_list[v2][2],
vertex_list[v3][0], vertex_list[v3][1], vertex_list[v3][2])
Job.yieldThread()
# TODO: We currently do not check for normals and simply recalculate them.
mesh_builder.calculateNormals()
mesh_builder.setFileName(name)
mesh_data = mesh_builder.build()
if len(mesh_data.getVertices()):
node.setMeshData(mesh_data)
node.setSelectable(True)
return node
def run(self):
if Application.getInstance().getController().getActiveView(
).getPluginId() == "LayerView":
self._progress = Message(
catalog.i18nc("@info:status", "Processing Layers"), 0, False,
-1)
self._progress.show()
Application.getInstance().getController().activeViewChanged.connect(
self._onActiveViewChanged)
object_id_map = {}
new_node = SceneNode()
## Put all nodes in a dict identified by ID
for node in DepthFirstIterator(self._scene.getRoot()):
if type(node) is SceneNode and node.getMeshData():
if node.callDecoration("getLayerData"):
self._scene.getRoot().removeChild(node)
else:
object_id_map[id(node)] = node
Job.yieldThread()
settings = Application.getInstance().getMachineManager(
).getActiveProfile()
center = None
if not settings.getSettingValue("machine_center_is_zero"):
center = numpy.array([
settings.getSettingValue("machine_width") / 2, 0.0,
-settings.getSettingValue("machine_depth") / 2
])
else:
center = numpy.array([0.0, 0.0, 0.0])
mesh = MeshData()
layer_data = LayerData.LayerData()
layer_count = 0
for object in self._message.objects:
layer_count += len(object.layers)
current_layer = 0
for object in self._message.objects:
try:
node = object_id_map[object.id]
except KeyError:
continue
for layer in object.layers:
layer_data.addLayer(layer.id)
layer_data.setLayerHeight(layer.id, layer.height)
layer_data.setLayerThickness(layer.id, layer.thickness)
for polygon in layer.polygons:
points = numpy.fromstring(
polygon.points,
dtype="i8") # Convert bytearray to numpy array
points = points.reshape(
(-1, 2)
) # We get a linear list of pairs that make up the points, so make numpy interpret them correctly.
points = numpy.asarray(points, dtype=numpy.float32)
points /= 1000
points = numpy.insert(points,
1, (layer.height / 1000),
axis=1)
points[:, 2] *= -1
points -= center
layer_data.addPolygon(layer.id, polygon.type, points,
polygon.line_width)
Job.yieldThread()
current_layer += 1
progress = (current_layer / layer_count) * 100
# TODO: Rebuild the layer data mesh once the layer has been processed.
# This needs some work in LayerData so we can add the new layers instead of recreating the entire mesh.
if self._progress:
self._progress.setProgress(progress)
# We are done processing all the layers we got from the engine, now create a mesh out of the data
layer_data.build()
#Add layerdata decorator to scene node to indicate that the node has layerdata
decorator = LayerDataDecorator.LayerDataDecorator()
decorator.setLayerData(layer_data)
new_node.addDecorator(decorator)
new_node.setMeshData(mesh)
new_node.setParent(self._scene.getRoot())
if self._progress:
self._progress.setProgress(100)
view = Application.getInstance().getController().getActiveView()
if view.getPluginId() == "LayerView":
view.resetLayerData()
if self._progress:
self._progress.hide()
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()
global_container_stack = Application.getInstance(
).getGlobalContainerStack()
machine_width = global_container_stack.getProperty(
"machine_width", "value")
machine_depth = global_container_stack.getProperty(
"machine_depth", "value")
arranger = Arrange.create(x=machine_width,
y=machine_depth,
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
not_fit_count = 0
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).
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)
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,
-not_fit_count * 20),
set_position=True))
not_fit_count += 1
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"
),
title=i18n_catalog.i18nc(
"@info:title",
"Can't Find Location"))
no_full_solution_message.show()
self.finished.emit(self)
def processGCodeStream(self, stream: str,
filename: str) -> Optional["CuraSceneNode"]:
Logger.log("d", "Preparing to load GCode")
self._cancelled = False
# We obtain the filament diameter from the selected extruder to calculate line widths
global_stack = CuraApplication.getInstance().getGlobalContainerStack()
if not global_stack:
return None
self._filament_diameter = global_stack.extruders[str(
self._extruder_number)].getProperty("material_diameter", "value")
scene_node = CuraSceneNode()
gcode_list = []
self._is_layers_in_file = False
self._extruder_offsets = self._extruderOffsets(
) # dict with index the extruder number. can be empty
##############################################################################################
## This part is where the action starts
##############################################################################################
file_lines = 0
current_line = 0
for line in stream.split("\n"):
file_lines += 1
gcode_list.append(line + "\n")
if not self._is_layers_in_file and line[:len(
self._layer_keyword)] == self._layer_keyword:
self._is_layers_in_file = True
file_step = max(math.floor(file_lines / 100), 1)
self._clearValues()
self._message = Message(catalog.i18nc("@info:status",
"Parsing G-code"),
lifetime=0,
title=catalog.i18nc("@info:title",
"G-code Details"))
assert (self._message is not None) # use for typing purposes
self._message.setProgress(0)
self._message.show()
Logger.log("d", "Parsing Gcode...")
current_position = Position(0, 0, 0, 0, [0])
current_path = [] #type: List[List[float]]
min_layer_number = 0
negative_layers = 0
previous_layer = 0
self._previous_extrusion_value = 0.0
for line in stream.split("\n"):
if self._cancelled:
Logger.log("d", "Parsing Gcode file cancelled")
return None
current_line += 1
if current_line % file_step == 0:
self._message.setProgress(
math.floor(current_line / file_lines * 100))
Job.yieldThread()
if len(line) == 0:
continue
if line.find(self._type_keyword) == 0:
type = line[len(self._type_keyword):].strip()
if type == "WALL-INNER":
self._layer_type = LayerPolygon.InsetXType
elif type == "WALL-OUTER":
self._layer_type = LayerPolygon.Inset0Type
elif type == "SKIN":
self._layer_type = LayerPolygon.SkinType
elif type == "SKIRT":
self._layer_type = LayerPolygon.SkirtType
elif type == "SUPPORT":
self._layer_type = LayerPolygon.SupportType
elif type == "FILL":
self._layer_type = LayerPolygon.InfillType
elif type == "SUPPORT-INTERFACE":
self._layer_type = LayerPolygon.SupportInterfaceType
elif type == "PRIME-TOWER":
self._layer_type = LayerPolygon.PrimeTowerType
else:
Logger.log(
"w",
"Encountered a unknown type (%s) while parsing g-code.",
type)
# When the layer change is reached, the polygon is computed so we have just one layer per extruder
if self._is_layers_in_file and line[:len(self._layer_keyword
)] == self._layer_keyword:
try:
layer_number = int(line[len(self._layer_keyword):])
self._createPolygon(
self._current_layer_thickness, current_path,
self._extruder_offsets.get(self._extruder_number,
[0, 0]))
current_path.clear()
# Start the new layer at the end position of the last layer
current_path.append([
current_position.x, current_position.y,
current_position.z, current_position.f,
current_position.e[self._extruder_number],
LayerPolygon.MoveCombingType
])
# When using a raft, the raft layers are stored as layers < 0, it mimics the same behavior
# as in ProcessSlicedLayersJob
if layer_number < min_layer_number:
min_layer_number = layer_number
if layer_number < 0:
layer_number += abs(min_layer_number)
negative_layers += 1
else:
layer_number += negative_layers
# In case there is a gap in the layer count, empty layers are created
for empty_layer in range(previous_layer + 1, layer_number):
self._createEmptyLayer(empty_layer)
self._layer_number = layer_number
previous_layer = layer_number
except:
pass
# This line is a comment. Ignore it (except for the layer_keyword)
if line.startswith(";"):
continue
G = self._getInt(line, "G")
if G is not None:
# When find a movement, the new posistion is calculated and added to the current_path, but
# don't need to create a polygon until the end of the layer
current_position = self.processGCode(G, line, current_position,
current_path)
continue
# When changing the extruder, the polygon with the stored paths is computed
if line.startswith("T"):
T = self._getInt(line, "T")
if T is not None:
self._extruders_seen.add(T)
self._createPolygon(
self._current_layer_thickness, current_path,
self._extruder_offsets.get(self._extruder_number,
[0, 0]))
current_path.clear()
# When changing tool, store the end point of the previous path, then process the code and finally
# add another point with the new position of the head.
current_path.append([
current_position.x, current_position.y,
current_position.z, current_position.f,
current_position.e[self._extruder_number],
LayerPolygon.MoveCombingType
])
current_position = self.processTCode(
T, line, current_position, current_path)
current_path.append([
current_position.x, current_position.y,
current_position.z, current_position.f,
current_position.e[self._extruder_number],
LayerPolygon.MoveCombingType
])
if line.startswith("M"):
M = self._getInt(line, "M")
if M is not None:
self.processMCode(M, line, current_position, current_path)
# "Flush" leftovers. Last layer paths are still stored
if len(current_path) > 1:
if self._createPolygon(
self._current_layer_thickness, current_path,
self._extruder_offsets.get(self._extruder_number, [0, 0])):
self._layer_number += 1
current_path.clear()
material_color_map = numpy.zeros((8, 4), dtype=numpy.float32)
material_color_map[0, :] = [0.0, 0.7, 0.9, 1.0]
material_color_map[1, :] = [0.7, 0.9, 0.0, 1.0]
material_color_map[2, :] = [0.9, 0.0, 0.7, 1.0]
material_color_map[3, :] = [0.7, 0.0, 0.0, 1.0]
material_color_map[4, :] = [0.0, 0.7, 0.0, 1.0]
material_color_map[5, :] = [0.0, 0.0, 0.7, 1.0]
material_color_map[6, :] = [0.3, 0.3, 0.3, 1.0]
material_color_map[7, :] = [0.7, 0.7, 0.7, 1.0]
layer_mesh = self._layer_data_builder.build(material_color_map)
decorator = LayerDataDecorator()
decorator.setLayerData(layer_mesh)
scene_node.addDecorator(decorator)
gcode_list_decorator = GCodeListDecorator()
gcode_list_decorator.setGcodeFileName(filename)
gcode_list_decorator.setGCodeList(gcode_list)
scene_node.addDecorator(gcode_list_decorator)
# gcode_dict stores gcode_lists for a number of build plates.
active_build_plate_id = CuraApplication.getInstance(
).getMultiBuildPlateModel().activeBuildPlate
gcode_dict = {active_build_plate_id: gcode_list}
CuraApplication.getInstance().getController().getScene(
).gcode_dict = gcode_dict #type: ignore #Because gcode_dict is generated dynamically.
Logger.log("d", "Finished parsing Gcode")
self._message.hide()
if self._layer_number == 0:
Logger.log("w", "File doesn't contain any valid layers")
if not global_stack.getProperty("machine_center_is_zero", "value"):
machine_width = global_stack.getProperty("machine_width", "value")
machine_depth = global_stack.getProperty("machine_depth", "value")
scene_node.setPosition(
Vector(-machine_width / 2, 0, machine_depth / 2))
Logger.log("d", "GCode loading finished")
if CuraApplication.getInstance().getPreferences().getValue(
"gcodereader/show_caution"):
caution_message = Message(catalog.i18nc(
"@info:generic",
"Make sure the g-code is suitable for your printer and printer configuration before sending the file to it. The g-code representation may not be accurate."
),
lifetime=0,
title=catalog.i18nc(
"@info:title", "G-code Details"))
caution_message.show()
# The "save/print" button's state is bound to the backend state.
backend = CuraApplication.getInstance().getBackend()
backend.backendStateChange.emit(Backend.BackendState.Disabled)
return scene_node
def read(self, file_name):
archive = zipfile.ZipFile(file_name, "r")
cura_file_names = [
name for name in archive.namelist() if name.startswith("Cura/")
]
# Create a shadow copy of the preferences (we don't want all of the preferences, but we do want to re-use its
# parsing code.
temp_preferences = Preferences()
temp_preferences.readFromFile(
io.TextIOWrapper(archive.open("Cura/preferences.cfg"))
) # We need to wrap it, else the archive parser breaks.
# Copy a number of settings from the temp preferences to the global
global_preferences = Preferences.getInstance()
visible_settings = temp_preferences.getValue(
"general/visible_settings")
if visible_settings is None:
Logger.log(
"w",
"Workspace did not contain visible settings. Leaving visibility unchanged"
)
else:
global_preferences.setValue("general/visible_settings",
visible_settings)
categories_expanded = temp_preferences.getValue(
"cura/categories_expanded")
if categories_expanded is None:
Logger.log(
"w",
"Workspace did not contain expanded categories. Leaving them unchanged"
)
else:
global_preferences.setValue("cura/categories_expanded",
categories_expanded)
Application.getInstance().expandedCategoriesChanged.emit(
) # Notify the GUI of the change
self._id_mapping = {}
# We don't add containers right away, but wait right until right before the stack serialization.
# We do this so that if something goes wrong, it's easier to clean up.
containers_to_add = []
# TODO: For the moment we use pretty naive existence checking. If the ID is the same, we assume in quite a few
# TODO: cases that the container loaded is the same (most notable in materials & definitions).
# TODO: It might be possible that we need to add smarter checking in the future.
Logger.log("d", "Workspace loading is checking definitions...")
# Get all the definition files & check if they exist. If not, add them.
definition_container_files = [
name for name in cura_file_names
if name.endswith(self._definition_container_suffix)
]
for definition_container_file in definition_container_files:
container_id = self._stripFileToId(definition_container_file)
definitions = self._container_registry.findDefinitionContainers(
id=container_id)
if not definitions:
definition_container = DefinitionContainer(container_id)
definition_container.deserialize(
archive.open(definition_container_file).read().decode(
"utf-8"))
self._container_registry.addContainer(definition_container)
Job.yieldThread()
Logger.log("d", "Workspace loading is checking materials...")
material_containers = []
# Get all the material files and check if they exist. If not, add them.
xml_material_profile = self._getXmlProfileClass()
if self._material_container_suffix is None:
self._material_container_suffix = ContainerRegistry.getMimeTypeForContainer(
xml_material_profile).suffixes[0]
if xml_material_profile:
material_container_files = [
name for name in cura_file_names
if name.endswith(self._material_container_suffix)
]
for material_container_file in material_container_files:
container_id = self._stripFileToId(material_container_file)
materials = self._container_registry.findInstanceContainers(
id=container_id)
if not materials:
material_container = xml_material_profile(container_id)
material_container.deserialize(
archive.open(material_container_file).read().decode(
"utf-8"))
containers_to_add.append(material_container)
else:
if not materials[0].isReadOnly(
): # Only create new materials if they are not read only.
if self._resolve_strategies["material"] == "override":
materials[0].deserialize(
archive.open(material_container_file).read().
decode("utf-8"))
elif self._resolve_strategies["material"] == "new":
# Note that we *must* deserialize it with a new ID, as multiple containers will be
# auto created & added.
material_container = xml_material_profile(
self.getNewId(container_id))
material_container.deserialize(
archive.open(material_container_file).read().
decode("utf-8"))
containers_to_add.append(material_container)
material_containers.append(material_container)
Job.yieldThread()
Logger.log("d", "Workspace loading is checking instance containers...")
# Get quality_changes and user profiles saved in the workspace
instance_container_files = [
name for name in cura_file_names
if name.endswith(self._instance_container_suffix)
]
user_instance_containers = []
quality_changes_instance_containers = []
for instance_container_file in instance_container_files:
container_id = self._stripFileToId(instance_container_file)
instance_container = InstanceContainer(container_id)
# Deserialize InstanceContainer by converting read data from bytes to string
instance_container.deserialize(
archive.open(instance_container_file).read().decode("utf-8"))
container_type = instance_container.getMetaDataEntry("type")
Job.yieldThread()
if container_type == "user":
# Check if quality changes already exists.
user_containers = self._container_registry.findInstanceContainers(
id=container_id)
if not user_containers:
containers_to_add.append(instance_container)
else:
if self._resolve_strategies[
"machine"] == "override" or self._resolve_strategies[
"machine"] is None:
user_containers[0].deserialize(
archive.open(instance_container_file).read().
decode("utf-8"))
elif self._resolve_strategies["machine"] == "new":
# The machine is going to get a spiffy new name, so ensure that the id's of user settings match.
extruder_id = instance_container.getMetaDataEntry(
"extruder", None)
if extruder_id:
new_id = self.getNewId(
extruder_id) + "_current_settings"
instance_container._id = new_id
instance_container.setName(new_id)
instance_container.setMetaDataEntry(
"extruder", self.getNewId(extruder_id))
containers_to_add.append(instance_container)
machine_id = instance_container.getMetaDataEntry(
"machine", None)
if machine_id:
new_id = self.getNewId(
machine_id) + "_current_settings"
instance_container._id = new_id
instance_container.setName(new_id)
instance_container.setMetaDataEntry(
"machine", self.getNewId(machine_id))
containers_to_add.append(instance_container)
user_instance_containers.append(instance_container)
elif container_type == "quality_changes":
# Check if quality changes already exists.
quality_changes = self._container_registry.findInstanceContainers(
id=container_id)
if not quality_changes:
containers_to_add.append(instance_container)
else:
if self._resolve_strategies[
"quality_changes"] == "override":
quality_changes[0].deserialize(
archive.open(instance_container_file).read().
decode("utf-8"))
elif self._resolve_strategies["quality_changes"] is None:
# The ID already exists, but nothing in the values changed, so do nothing.
pass
quality_changes_instance_containers.append(instance_container)
else:
continue
# Add all the containers right before we try to add / serialize the stack
for container in containers_to_add:
self._container_registry.addContainer(container)
container.setDirty(True)
# Get the stack(s) saved in the workspace.
Logger.log("d", "Workspace loading is checking stacks containers...")
container_stack_files = [
name for name in cura_file_names
if name.endswith(self._container_stack_suffix)
]
global_stack = None
extruder_stacks = []
container_stacks_added = []
try:
for container_stack_file in container_stack_files:
container_id = self._stripFileToId(container_stack_file)
# Check if a stack by this ID already exists;
container_stacks = self._container_registry.findContainerStacks(
id=container_id)
if container_stacks:
stack = container_stacks[0]
if self._resolve_strategies["machine"] == "override":
# TODO: HACK
# There is a machine, check if it has authenticationd data. If so, keep that data.
network_authentication_id = container_stacks[
0].getMetaDataEntry("network_authentication_id")
network_authentication_key = container_stacks[
0].getMetaDataEntry("network_authentication_key")
container_stacks[0].deserialize(
archive.open(container_stack_file).read().decode(
"utf-8"))
if network_authentication_id:
container_stacks[0].addMetaDataEntry(
"network_authentication_id",
network_authentication_id)
if network_authentication_key:
container_stacks[0].addMetaDataEntry(
"network_authentication_key",
network_authentication_key)
elif self._resolve_strategies["machine"] == "new":
new_id = self.getNewId(container_id)
stack = ContainerStack(new_id)
stack.deserialize(
archive.open(container_stack_file).read().decode(
"utf-8"))
# Ensure a unique ID and name
stack._id = new_id
# Extruder stacks are "bound" to a machine. If we add the machine as a new one, the id of the
# bound machine also needs to change.
if stack.getMetaDataEntry("machine", None):
stack.setMetaDataEntry(
"machine",
self.getNewId(
stack.getMetaDataEntry("machine")))
if stack.getMetaDataEntry("type") != "extruder_train":
# Only machines need a new name, stacks may be non-unique
stack.setName(
self._container_registry.uniqueName(
stack.getName()))
container_stacks_added.append(stack)
self._container_registry.addContainer(stack)
else:
Logger.log(
"w",
"Resolve strategy of %s for machine is not supported",
self._resolve_strategies["machine"])
else:
stack = ContainerStack(container_id)
# Deserialize stack by converting read data from bytes to string
stack.deserialize(
archive.open(container_stack_file).read().decode(
"utf-8"))
container_stacks_added.append(stack)
self._container_registry.addContainer(stack)
if stack.getMetaDataEntry("type") == "extruder_train":
extruder_stacks.append(stack)
else:
global_stack = stack
Job.yieldThread()
except:
Logger.logException(
"w", "We failed to serialize the stack. Trying to clean up.")
# Something went really wrong. Try to remove any data that we added.
for container in containers_to_add:
self._container_registry.getInstance().removeContainer(
container.getId())
for container in container_stacks_added:
self._container_registry.getInstance().removeContainer(
container.getId())
return None
if self._resolve_strategies["machine"] == "new":
# A new machine was made, but it was serialized with the wrong user container. Fix that now.
for container in user_instance_containers:
extruder_id = container.getMetaDataEntry("extruder", None)
if extruder_id:
for extruder in extruder_stacks:
if extruder.getId() == extruder_id:
extruder.replaceContainer(0, container)
continue
machine_id = container.getMetaDataEntry("machine", None)
if machine_id:
if global_stack.getId() == machine_id:
global_stack.replaceContainer(0, container)
continue
if self._resolve_strategies["quality_changes"] == "new":
# Quality changes needs to get a new ID, added to registry and to the right stacks
for container in quality_changes_instance_containers:
old_id = container.getId()
container.setName(
self._container_registry.uniqueName(container.getName()))
# We're not really supposed to change the ID in normal cases, but this is an exception.
container._id = self.getNewId(container.getId())
# The container was not added yet, as it didn't have an unique ID. It does now, so add it.
self._container_registry.addContainer(container)
# Replace the quality changes container
old_container = global_stack.findContainer(
{"type": "quality_changes"})
if old_container.getId() == old_id:
quality_changes_index = global_stack.getContainerIndex(
old_container)
global_stack.replaceContainer(quality_changes_index,
container)
continue
for stack in extruder_stacks:
old_container = stack.findContainer(
{"type": "quality_changes"})
if old_container.getId() == old_id:
quality_changes_index = stack.getContainerIndex(
old_container)
stack.replaceContainer(quality_changes_index,
container)
if self._resolve_strategies["material"] == "new":
for material in material_containers:
old_material = global_stack.findContainer({"type": "material"})
if old_material.getId() in self._id_mapping:
material_index = global_stack.getContainerIndex(
old_material)
global_stack.replaceContainer(material_index, material)
continue
for stack in extruder_stacks:
old_material = stack.findContainer({"type": "material"})
if old_material.getId() in self._id_mapping:
material_index = stack.getContainerIndex(old_material)
stack.replaceContainer(material_index, material)
continue
for stack in extruder_stacks:
ExtruderManager.getInstance().registerExtruder(
stack, global_stack.getId())
else:
# Machine has no extruders, but it needs to be registered with the extruder manager.
ExtruderManager.getInstance().registerExtruder(
None, global_stack.getId())
Logger.log(
"d",
"Workspace loading is notifying rest of the code of changes...")
# Notify everything/one that is to notify about changes.
global_stack.containersChanged.emit(global_stack.getTop())
for stack in extruder_stacks:
stack.setNextStack(global_stack)
stack.containersChanged.emit(stack.getTop())
# Actually change the active machine.
Application.getInstance().setGlobalContainerStack(global_stack)
# Load all the nodes / meshdata of the workspace
nodes = self._3mf_mesh_reader.read(file_name)
if nodes is None:
nodes = []
return nodes
