def getUsedExtruderStacks(self):
global_stack = UM.Application.getInstance().getGlobalContainerStack()
container_registry = UM.Settings.ContainerRegistry.getInstance()
if global_stack.getProperty("machine_extruder_count",
"value") <= 1: #For single extrusion.
return [global_stack]
used_extruder_stack_ids = set()
#Get the extruders of all meshes in the scene.
support_enabled = False
support_interface_enabled = False
scene_root = UM.Application.getInstance().getController().getScene(
).getRoot()
meshes = [
node for node in DepthFirstIterator(scene_root)
if type(node) is SceneNode and node.isSelectable()
] #Only use the nodes that will be printed.
for mesh in meshes:
extruder_stack_id = mesh.callDecoration("getActiveExtruder")
if not extruder_stack_id: #No per-object settings for this node.
extruder_stack_id = self.extruderIds["0"]
used_extruder_stack_ids.add(extruder_stack_id)
#Get whether any of them use support.
per_mesh_stack = mesh.callDecoration("getStack")
if per_mesh_stack:
support_enabled |= per_mesh_stack.getProperty(
"support_enable", "value")
support_interface_enabled |= per_mesh_stack.getProperty(
"support_interface_enable", "value")
else: #Take the setting from the build extruder stack.
extruder_stack = container_registry.findContainerStacks(
id=extruder_stack_id)[0]
support_enabled |= extruder_stack.getProperty(
"support_enable", "value")
support_interface_enabled |= extruder_stack.getProperty(
"support_enable", "value")
#The support extruders.
if support_enabled:
used_extruder_stack_ids.add(self.extruderIds[str(
global_stack.getProperty("support_infill_extruder_nr",
"value"))])
used_extruder_stack_ids.add(self.extruderIds[str(
global_stack.getProperty("support_extruder_nr_layer_0",
"value"))])
if support_interface_enabled:
used_extruder_stack_ids.add(self.extruderIds[str(
global_stack.getProperty("support_interface_extruder_nr",
"value"))])
#The platform adhesion extruder. Not used if using none.
if global_stack.getProperty("adhesion_type", "value") != "none":
used_extruder_stack_ids.add(self.extruderIds[str(
global_stack.getProperty("adhesion_extruder_nr", "value"))])
try:
return [
container_registry.findContainerStacks(id=stack_id)[0]
for stack_id in used_extruder_stack_ids
]
except IndexError: # One or more of the extruders was not found.
UM.Logger.log("e",
"Unable to find one or more of the extruders in %s",
used_extruder_stack_ids)
return []
def render(self) -> None:
if not self._shader:
self._shader = OpenGL.getInstance().createShaderProgram(Resources.getPath(Resources.Shaders, "overhang.shader"))
if self._shader:
self._shader.setUniformValue("u_overhangAngle", 1.0)
self._shader.setUniformValue("u_ambientColor", [0.1, 0.1, 0.1, 1.0])
self._shader.setUniformValue("u_specularColor", [0.6, 0.6, 0.6, 1.0])
self._shader.setUniformValue("u_shininess", 20.0)
self._shader.setUniformValue("u_faceId", -1) # Don't render any selected faces in the preview.
if not self._non_printing_shader:
if self._non_printing_shader:
self._non_printing_shader = OpenGL.getInstance().createShaderProgram(Resources.getPath(Resources.Shaders, "transparent_object.shader"))
self._non_printing_shader.setUniformValue("u_diffuseColor", [0.5, 0.5, 0.5, 0.5])
self._non_printing_shader.setUniformValue("u_opacity", 0.6)
if not self._support_mesh_shader:
self._support_mesh_shader = OpenGL.getInstance().createShaderProgram(Resources.getPath(Resources.Shaders, "striped.shader"))
if self._support_mesh_shader:
self._support_mesh_shader.setUniformValue("u_vertical_stripes", True)
self._support_mesh_shader.setUniformValue("u_width", 5.0)
self._gl.glClearColor(0.0, 0.0, 0.0, 0.0)
self._gl.glClear(self._gl.GL_COLOR_BUFFER_BIT | self._gl.GL_DEPTH_BUFFER_BIT)
# Create batches to be rendered
batch = RenderBatch(self._shader)
batch_support_mesh = RenderBatch(self._support_mesh_shader)
# Fill up the batch with objects that can be sliced.
for node in DepthFirstIterator(self._scene.getRoot()):
if hasattr(node, "_outside_buildarea") and not getattr(node, "_outside_buildarea"):
if node.callDecoration("isSliceable") and node.getMeshData() and node.isVisible():
per_mesh_stack = node.callDecoration("getStack")
if node.callDecoration("isNonThumbnailVisibleMesh"):
# Non printing mesh
continue
elif per_mesh_stack is not None and per_mesh_stack.getProperty("support_mesh", "value"):
# Support mesh
uniforms = {}
shade_factor = 0.6
diffuse_color = cast(CuraSceneNode, node).getDiffuseColor()
diffuse_color2 = [
diffuse_color[0] * shade_factor,
diffuse_color[1] * shade_factor,
diffuse_color[2] * shade_factor,
1.0]
uniforms["diffuse_color"] = prettier_color(diffuse_color)
uniforms["diffuse_color_2"] = diffuse_color2
batch_support_mesh.addItem(node.getWorldTransformation(), node.getMeshData(), uniforms = uniforms)
else:
# Normal scene node
uniforms = {}
uniforms["diffuse_color"] = prettier_color(cast(CuraSceneNode, node).getDiffuseColor())
batch.addItem(node.getWorldTransformation(), node.getMeshData(), uniforms = uniforms)
self.bind()
if self._camera is None:
render_camera = Application.getInstance().getController().getScene().getActiveCamera()
else:
render_camera = self._camera
batch.render(render_camera)
batch_support_mesh.render(render_camera)
self.release()
def _onWriteStarted(self, output_device):
try:
if not Preferences.getInstance().getValue("info/send_slice_info"):
Logger.log("d", "'info/send_slice_info' is turned off.")
return # Do nothing, user does not want to send data
global_container_stack = Application.getInstance(
).getGlobalContainerStack()
print_information = Application.getInstance().getPrintInformation()
data = dict() # The data that we're going to submit.
data["time_stamp"] = time.time()
data["schema_version"] = 0
data["cura_version"] = Application.getInstance().getVersion()
active_mode = Preferences.getInstance().getValue(
"cura/active_mode")
if active_mode == 0:
data["active_mode"] = "recommended"
else:
data["active_mode"] = "custom"
definition_changes = global_container_stack.definitionChanges
machine_settings_changed_by_user = False
if definition_changes.getId() != "empty":
# Now a definition_changes container will always be created for a stack,
# so we also need to check if there is any instance in the definition_changes container
if definition_changes.getAllKeys():
machine_settings_changed_by_user = True
data[
"machine_settings_changed_by_user"] = machine_settings_changed_by_user
data["language"] = Preferences.getInstance().getValue(
"general/language")
data["os"] = {
"type": platform.system(),
"version": platform.version()
}
data["active_machine"] = {
"definition_id":
global_container_stack.definition.getId(),
"manufacturer":
global_container_stack.definition.getMetaData().get(
"manufacturer", "")
}
# add extruder specific data to slice info
data["extruders"] = []
extruders = list(ExtruderManager.getInstance().getMachineExtruders(
global_container_stack.getId()))
extruders = sorted(
extruders,
key=lambda extruder: extruder.getMetaDataEntry("position"))
for extruder in extruders:
extruder_dict = dict()
extruder_dict["active"] = ExtruderManager.getInstance(
).getActiveExtruderStack() == extruder
extruder_dict["material"] = {
"GUID": extruder.material.getMetaData().get("GUID", ""),
"type":
extruder.material.getMetaData().get("material", ""),
"brand": extruder.material.getMetaData().get("brand", "")
}
extruder_position = int(
extruder.getMetaDataEntry("position", "0"))
if extruder_position in print_information.materialLengths:
extruder_dict[
"material_used"] = print_information.materialLengths[
extruder_position]
extruder_dict["variant"] = extruder.variant.getName()
extruder_dict["nozzle_size"] = extruder.getProperty(
"machine_nozzle_size", "value")
extruder_settings = dict()
extruder_settings["wall_line_count"] = extruder.getProperty(
"wall_line_count", "value")
extruder_settings["retraction_enable"] = extruder.getProperty(
"retraction_enable", "value")
extruder_settings[
"infill_sparse_density"] = extruder.getProperty(
"infill_sparse_density", "value")
extruder_settings["infill_pattern"] = extruder.getProperty(
"infill_pattern", "value")
extruder_settings[
"gradual_infill_steps"] = extruder.getProperty(
"gradual_infill_steps", "value")
extruder_settings[
"default_material_print_temperature"] = extruder.getProperty(
"default_material_print_temperature", "value")
extruder_settings[
"material_print_temperature"] = extruder.getProperty(
"material_print_temperature", "value")
extruder_dict["extruder_settings"] = extruder_settings
data["extruders"].append(extruder_dict)
data[
"quality_profile"] = global_container_stack.quality.getMetaData(
).get("quality_type")
data["models"] = []
# Listing all files placed on the build plate
for node in DepthFirstIterator(CuraApplication.getInstance(
).getController().getScene().getRoot()):
if node.callDecoration("isSliceable"):
model = dict()
model["hash"] = node.getMeshData().getHash()
bounding_box = node.getBoundingBox()
model["bounding_box"] = {
"minimum": {
"x": bounding_box.minimum.x,
"y": bounding_box.minimum.y,
"z": bounding_box.minimum.z
},
"maximum": {
"x": bounding_box.maximum.x,
"y": bounding_box.maximum.y,
"z": bounding_box.maximum.z
}
}
model["transformation"] = {
"data":
str(node.getWorldTransformation().getData()).replace(
"\n", "")
}
extruder_position = node.callDecoration(
"getActiveExtruderPosition")
model[
"extruder"] = 0 if extruder_position is None else int(
extruder_position)
model_settings = dict()
model_stack = node.callDecoration("getStack")
if model_stack:
model_settings[
"support_enabled"] = model_stack.getProperty(
"support_enable", "value")
model_settings["support_extruder_nr"] = int(
model_stack.getProperty("support_extruder_nr",
"value"))
# Mesh modifiers;
model_settings[
"infill_mesh"] = model_stack.getProperty(
"infill_mesh", "value")
model_settings[
"cutting_mesh"] = model_stack.getProperty(
"cutting_mesh", "value")
model_settings[
"support_mesh"] = model_stack.getProperty(
"support_mesh", "value")
model_settings[
"anti_overhang_mesh"] = model_stack.getProperty(
"anti_overhang_mesh", "value")
model_settings[
"wall_line_count"] = model_stack.getProperty(
"wall_line_count", "value")
model_settings[
"retraction_enable"] = model_stack.getProperty(
"retraction_enable", "value")
# Infill settings
model_settings[
"infill_sparse_density"] = model_stack.getProperty(
"infill_sparse_density", "value")
model_settings[
"infill_pattern"] = model_stack.getProperty(
"infill_pattern", "value")
model_settings[
"gradual_infill_steps"] = model_stack.getProperty(
"gradual_infill_steps", "value")
model["model_settings"] = model_settings
data["models"].append(model)
print_times = print_information._print_time_message_values
data["print_times"] = {
"travel":
int(print_times["travel"].getDisplayString(
DurationFormat.Format.Seconds)),
"support":
int(print_times["support"].getDisplayString(
DurationFormat.Format.Seconds)),
"infill":
int(print_times["infill"].getDisplayString(
DurationFormat.Format.Seconds)),
"total":
int(
print_information.currentPrintTime.getDisplayString(
DurationFormat.Format.Seconds))
}
print_settings = dict()
print_settings[
"layer_height"] = global_container_stack.getProperty(
"layer_height", "value")
# Support settings
print_settings[
"support_enabled"] = global_container_stack.getProperty(
"support_enable", "value")
print_settings["support_extruder_nr"] = int(
global_container_stack.getProperty("support_extruder_nr",
"value"))
# Platform adhesion settings
print_settings[
"adhesion_type"] = global_container_stack.getProperty(
"adhesion_type", "value")
# Shell settings
print_settings[
"wall_line_count"] = global_container_stack.getProperty(
"wall_line_count", "value")
print_settings[
"retraction_enable"] = global_container_stack.getProperty(
"retraction_enable", "value")
# Prime tower settings
print_settings[
"prime_tower_enable"] = global_container_stack.getProperty(
"prime_tower_enable", "value")
# Infill settings
print_settings[
"infill_sparse_density"] = global_container_stack.getProperty(
"infill_sparse_density", "value")
print_settings[
"infill_pattern"] = global_container_stack.getProperty(
"infill_pattern", "value")
print_settings[
"gradual_infill_steps"] = global_container_stack.getProperty(
"gradual_infill_steps", "value")
print_settings[
"print_sequence"] = global_container_stack.getProperty(
"print_sequence", "value")
data["print_settings"] = print_settings
# Send the name of the output device type that is used.
data["output_to"] = type(output_device).__name__
# Convert data to bytes
binary_data = json.dumps(data).encode("utf-8")
# Sending slice info non-blocking
reportJob = SliceInfoJob(self.info_url, binary_data)
reportJob.start()
except Exception:
# We really can't afford to have a mistake here, as this would break the sending of g-code to a device
# (Either saving or directly to a printer). The functionality of the slice data is not *that* important.
Logger.logException(
"e", "Exception raised while sending slice info."
) # But we should be notified about these problems of course.
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()
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 type(node) is SceneNode and node.getMeshData():
if node.callDecoration("getLayerData"):
self._scene.getRoot().removeChild(node)
Job.yieldThread()
if self._abort_requested:
if self._progress:
self._progress.hide()
return
settings = Application.getInstance().getMachineManager().getWorkingProfile()
mesh = MeshData()
layer_data = LayerData.LayerData()
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)
layer_data.setLayerHeight(abs_layer_number, layer.height)
layer_data.setLayerThickness(abs_layer_number, layer.thickness)
for p in range(layer.repeatedMessageCount("polygons")):
polygon = layer.getRepeatedMessage("polygons", p)
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.
# 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)
new_points[:,0] = points[:,0]
new_points[:,1] = layer.height
new_points[:,2] = -points[:,1]
new_points /= 1000
layer_data.addPolygon(abs_layer_number, polygon.type, new_points, polygon.line_width)
Job.yieldThread()
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._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
layer_data.build()
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_data)
new_node.addDecorator(decorator)
new_node.setMeshData(mesh)
new_node.setParent(self._scene.getRoot()) # Note: After this we can no longer abort!
if not settings.getSettingValue("machine_center_is_zero"):
new_node.setPosition(Vector(-settings.getSettingValue("machine_width") / 2, 0.0, settings.getSettingValue("machine_depth") / 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
def setMachineExtruderCount(self, extruder_count):
machine_manager = Application.getInstance().getMachineManager()
extruder_manager = ExtruderManager.getInstance()
definition_changes_container = self._global_container_stack.findContainer({"type": "definition_changes"})
if not self._global_container_stack or not definition_changes_container:
return
previous_extruder_count = self._global_container_stack.getProperty("machine_extruder_count", "value")
if extruder_count == previous_extruder_count:
return
extruder_material_id = None
extruder_variant_id = None
if extruder_count == 1:
# Get the material and variant of the first extruder before setting the number extruders to 1
if machine_manager.hasMaterials:
extruder_material_id = machine_manager.allActiveMaterialIds[extruder_manager.extruderIds["0"]]
if machine_manager.hasVariants:
extruder_variant_id = machine_manager.activeVariantIds[0]
# Copy any settable_per_extruder setting value from the extruders to the global stack
extruder_stacks = ExtruderManager.getInstance().getActiveExtruderStacks()
extruder_stacks.reverse() # make sure the first extruder is done last, so its settings override any higher extruder settings
global_user_container = self._global_container_stack.getTop()
for extruder_stack in extruder_stacks:
extruder_index = extruder_stack.getMetaDataEntry("position")
extruder_user_container = extruder_stack.getTop()
for setting_instance in extruder_user_container.findInstances():
setting_key = setting_instance.definition.key
settable_per_extruder = self._global_container_stack.getProperty(setting_key, "settable_per_extruder")
if settable_per_extruder:
limit_to_extruder = self._global_container_stack.getProperty(setting_key, "limit_to_extruder")
if limit_to_extruder == "-1" or limit_to_extruder == extruder_index:
global_user_container.setProperty(setting_key, "value", extruder_user_container.getProperty(setting_key, "value"))
extruder_user_container.removeInstance(setting_key)
# Check to see if any features are set to print with an extruder that will no longer exist
for setting_key in ["adhesion_extruder_nr", "support_extruder_nr", "support_extruder_nr_layer_0", "support_infill_extruder_nr", "support_interface_extruder_nr"]:
if int(self._global_container_stack.getProperty(setting_key, "value")) > extruder_count - 1:
Logger.log("i", "Lowering %s setting to match number of extruders", setting_key)
self._global_container_stack.getTop().setProperty(setting_key, "value", extruder_count - 1)
# Check to see if any objects are set to print with an extruder that will no longer exist
root_node = Application.getInstance().getController().getScene().getRoot()
for node in DepthFirstIterator(root_node):
if node.getMeshData():
extruder_nr = node.callDecoration("getActiveExtruderPosition")
if extruder_nr is not None and int(extruder_nr) > extruder_count - 1:
node.callDecoration("setActiveExtruder", extruder_manager.getExtruderStack(extruder_count - 1).getId())
definition_changes_container.setProperty("machine_extruder_count", "value", extruder_count)
self.forceUpdate()
if extruder_count > 1:
# Multiextrusion
# Make sure one of the extruder stacks is active
if extruder_manager.activeExtruderIndex == -1:
extruder_manager.setActiveExtruderIndex(0)
# Move settable_per_extruder values out of the global container
if previous_extruder_count == 1:
extruder_stacks = ExtruderManager.getInstance().getActiveExtruderStacks()
global_user_container = self._global_container_stack.getTop()
for setting_instance in global_user_container.findInstances():
setting_key = setting_instance.definition.key
settable_per_extruder = self._global_container_stack.getProperty(setting_key, "settable_per_extruder")
if settable_per_extruder:
limit_to_extruder = int(self._global_container_stack.getProperty(setting_key, "limit_to_extruder"))
extruder_stack = extruder_stacks[max(0, limit_to_extruder)]
extruder_stack.getTop().setProperty(setting_key, "value", global_user_container.getProperty(setting_key, "value"))
global_user_container.removeInstance(setting_key)
else:
# Single extrusion
# Make sure the machine stack is active
if extruder_manager.activeExtruderIndex > -1:
extruder_manager.setActiveExtruderIndex(-1)
# Restore material and variant on global stack
# MachineManager._onGlobalContainerChanged removes the global material and variant of multiextruder machines
if extruder_material_id or extruder_variant_id:
# Prevent the DiscardOrKeepProfileChangesDialog from popping up (twice) if there are user changes
# The dialog is not relevant here, since we're restoring the previous situation as good as possible
preferences = Preferences.getInstance()
choice_on_profile_override = preferences.getValue("cura/choice_on_profile_override")
preferences.setValue("cura/choice_on_profile_override", "always_keep")
if extruder_material_id:
machine_manager.setActiveMaterial(extruder_material_id)
if extruder_variant_id:
machine_manager.setActiveVariant(extruder_variant_id)
preferences.setValue("cura/choice_on_profile_override", choice_on_profile_override)
def calculateMaxLayers(self) -> None:
scene = self.getController().getScene()
self._old_max_layers = self._max_layers
## Recalculate num max layers
new_max_layers = -1
for node in DepthFirstIterator(scene.getRoot()): # type: ignore
layer_data = node.callDecoration("getLayerData")
if not layer_data:
continue
self.setActivity(True)
min_layer_number = sys.maxsize
max_layer_number = -sys.maxsize
for layer_id in layer_data.getLayers():
# If a layer doesn't contain any polygons, skip it (for infill meshes taller than print objects
if len(layer_data.getLayer(layer_id).polygons) < 1:
continue
# Store the max and min feedrates and thicknesses for display purposes
for p in layer_data.getLayer(layer_id).polygons:
self._max_feedrate = max(float(p.lineFeedrates.max()),
self._max_feedrate)
self._min_feedrate = min(float(p.lineFeedrates.min()),
self._min_feedrate)
self._max_thickness = max(float(p.lineThicknesses.max()),
self._max_thickness)
try:
self._min_thickness = min(
float(p.lineThicknesses[numpy.nonzero(
p.lineThicknesses)].min()),
self._min_thickness)
except ValueError:
# Sometimes, when importing a GCode the line thicknesses are zero and so the minimum (avoiding
# the zero) can't be calculated
Logger.log(
"i",
"Min thickness can't be calculated because all the values are zero"
)
if max_layer_number < layer_id:
max_layer_number = layer_id
if min_layer_number > layer_id:
min_layer_number = layer_id
layer_count = max_layer_number - min_layer_number
if new_max_layers < layer_count:
new_max_layers = layer_count
if new_max_layers >= 0 and new_max_layers != self._old_max_layers:
self._max_layers = new_max_layers
# The qt slider has a bit of weird behavior that if the maxvalue needs to be changed first
# if it's the largest value. If we don't do this, we can have a slider block outside of the
# slider.
if new_max_layers > self._current_layer_num:
self.maxLayersChanged.emit()
self.setLayer(int(self._max_layers))
else:
self.setLayer(int(self._max_layers))
self.maxLayersChanged.emit()
self._startUpdateTopLayers()
def _onStartSliceCompleted(self, job: StartSliceJob) -> None:
if self._error_message:
self._error_message.hide()
# Note that cancelled slice jobs can still call this method.
if self._start_slice_job is job:
self._start_slice_job = None
if job.isCancelled() or job.getError() or job.getResult(
) == StartJobResult.Error:
self.backendStateChange.emit(BackendState.Error)
self.backendError.emit(job)
return
if job.getResult() == StartJobResult.MaterialIncompatible:
if self._application.platformActivity:
self._error_message = Message(catalog.i18nc(
"@info:status",
"Unable to slice with the current material as it is incompatible with the selected machine or configuration."
),
title=catalog.i18nc(
"@info:title",
"Unable to slice"))
self._error_message.show()
self.backendStateChange.emit(BackendState.Error)
self.backendError.emit(job)
else:
self.backendStateChange.emit(BackendState.NotStarted)
return
if job.getResult() == StartJobResult.SettingError:
if self._application.platformActivity:
if not self._global_container_stack:
Logger.log(
"w",
"Global container stack not assigned to CuraEngineBackend!"
)
return
extruders = list(
ExtruderManager.getInstance().getMachineExtruders(
self._global_container_stack.getId()))
error_keys = [] #type: List[str]
for extruder in extruders:
error_keys.extend(extruder.getErrorKeys())
if not extruders:
error_keys = self._global_container_stack.getErrorKeys()
error_labels = set()
for key in error_keys:
for stack in [
self._global_container_stack
] + extruders: #Search all container stacks for the definition of this setting. Some are only in an extruder stack.
definitions = cast(
DefinitionContainerInterface,
stack.getBottom()).findDefinitions(key=key)
if definitions:
break #Found it! No need to continue search.
else: #No stack has a definition for this setting.
Logger.log(
"w",
"When checking settings for errors, unable to find definition for key: {key}"
.format(key=key))
continue
error_labels.add(definitions[0].label)
self._error_message = Message(catalog.i18nc(
"@info:status",
"Unable to slice with the current settings. The following settings have errors: {0}"
).format(", ".join(error_labels)),
title=catalog.i18nc(
"@info:title",
"Unable to slice"))
self._error_message.show()
self.backendStateChange.emit(BackendState.Error)
self.backendError.emit(job)
else:
self.backendStateChange.emit(BackendState.NotStarted)
return
elif job.getResult() == StartJobResult.ObjectSettingError:
errors = {}
for node in DepthFirstIterator(
self._application.getController().getScene().getRoot()
): #type: ignore #Ignore type error because iter() should get called automatically by Python syntax.
stack = node.callDecoration("getStack")
if not stack:
continue
for key in stack.getErrorKeys():
if not self._global_container_stack:
Logger.log(
"e",
"CuraEngineBackend does not have global_container_stack assigned."
)
continue
definition = cast(DefinitionContainerInterface,
self._global_container_stack.getBottom()
).findDefinitions(key=key)
if not definition:
Logger.log(
"e",
"When checking settings for errors, unable to find definition for key {key} in per-object stack."
.format(key=key))
continue
errors[key] = definition[0].label
self._error_message = Message(catalog.i18nc(
"@info:status",
"Unable to slice due to some per-model settings. The following settings have errors on one or more models: {error_labels}"
).format(error_labels=", ".join(errors.values())),
title=catalog.i18nc(
"@info:title",
"Unable to slice"))
self._error_message.show()
self.backendStateChange.emit(BackendState.Error)
self.backendError.emit(job)
return
if job.getResult() == StartJobResult.BuildPlateError:
if self._application.platformActivity:
self._error_message = Message(catalog.i18nc(
"@info:status",
"Unable to slice because the prime tower or prime position(s) are invalid."
),
title=catalog.i18nc(
"@info:title",
"Unable to slice"))
self._error_message.show()
self.backendStateChange.emit(BackendState.Error)
self.backendError.emit(job)
else:
self.backendStateChange.emit(BackendState.NotStarted)
if job.getResult() == StartJobResult.ObjectsWithDisabledExtruder:
self._error_message = Message(catalog.i18nc(
"@info:status",
"Unable to slice because there are objects associated with disabled Extruder %s."
% job.getMessage()),
title=catalog.i18nc(
"@info:title",
"Unable to slice"))
self._error_message.show()
self.backendStateChange.emit(BackendState.Error)
self.backendError.emit(job)
return
if job.getResult() == StartJobResult.NothingToSlice:
if self._application.platformActivity:
self._error_message = Message(catalog.i18nc(
"@info:status",
"Nothing to slice because none of the models fit the build volume. Please scale or rotate models to fit."
),
title=catalog.i18nc(
"@info:title",
"Unable to slice"))
self._error_message.show()
self.backendStateChange.emit(BackendState.Error)
self.backendError.emit(job)
else:
self.backendStateChange.emit(BackendState.NotStarted)
self._invokeSlice()
return
# Preparation completed, send it to the backend.
self._socket.sendMessage(job.getSliceMessage())
# Notify the user that it's now up to the backend to do it's job
self.backendStateChange.emit(BackendState.Processing)
if self._slice_start_time:
Logger.log("d", "Sending slice message took %s seconds",
time() - self._slice_start_time)
def _clearLayerData(self, build_plate_numbers=set()):
for node in DepthFirstIterator(self._scene.getRoot()):
if node.callDecoration("getLayerData"):
if not build_plate_numbers or node.callDecoration(
"getBuildPlateNumber") in build_plate_numbers:
node.getParent().removeChild(node)
def clearFaces(self):
for bc_node in DepthFirstIterator(self):
if isinstance(bc_node, HighlightFace):
self.removeFace(bc_node)
def _update(self, *args) -> None:
nodes = []
filter_current_build_plate = Application.getInstance().getPreferences(
).getValue("view/filter_current_build_plate")
active_build_plate_number = self._build_plate_number
group_nr = 1
name_count_dict = defaultdict(int) # type: Dict[str, int]
for node in DepthFirstIterator(Application.getInstance().getController(
).getScene().getRoot()): # type: ignore
if not isinstance(node, SceneNode):
continue
if (not node.getMeshData()
and not node.callDecoration("getLayerData")
) and not node.callDecoration("isGroup"):
continue
parent = node.getParent()
if parent and parent.callDecoration("isGroup"):
continue # Grouped nodes don't need resetting as their parent (the group) is resetted)
if not node.callDecoration(
"isSliceable") and not node.callDecoration("isGroup"):
continue
node_build_plate_number = node.callDecoration(
"getBuildPlateNumber")
if filter_current_build_plate and node_build_plate_number != active_build_plate_number:
continue
if not node.callDecoration("isGroup"):
name = node.getName()
else:
name = catalog.i18nc(
"@label",
"Group #{group_nr}").format(group_nr=str(group_nr))
group_nr += 1
if hasattr(node, "isOutsideBuildArea"):
is_outside_build_area = node.isOutsideBuildArea(
) # type: ignore
else:
is_outside_build_area = False
#check if we already have an instance of the object based on name
name_count_dict[name] += 1
name_count = name_count_dict[name]
if name_count > 1:
name = "{0}({1})".format(name, name_count - 1)
node.setName(name)
nodes.append({
"name": name,
"isSelected": Selection.isSelected(node),
"isOutsideBuildArea": is_outside_build_area,
"buildPlateNumber": node_build_plate_number,
"node": node
})
nodes = sorted(nodes, key=lambda n: n["name"])
self.setItems(nodes)
self.itemsChanged.emit()
def render(self):
if not self._layer_shader:
if self._compatibility_mode:
shader_filename = "layers.shader"
shadow_shader_filename = "layers_shadow.shader"
else:
shader_filename = "layers3d.shader"
shadow_shader_filename = "layers3d_shadow.shader"
self._layer_shader = OpenGL.getInstance().createShaderProgram(
os.path.join(
PluginRegistry.getInstance().getPluginPath(
"SimulationView"), shader_filename))
self._layer_shadow_shader = OpenGL.getInstance(
).createShaderProgram(
os.path.join(
PluginRegistry.getInstance().getPluginPath(
"SimulationView"), shadow_shader_filename))
self._current_shader = self._layer_shader
# Use extruder 0 if the extruder manager reports extruder index -1 (for single extrusion printers)
self._layer_shader.setUniformValue(
"u_active_extruder",
float(max(0, self._extruder_manager.activeExtruderIndex)))
if self._layer_view:
self._layer_shader.setUniformValue(
"u_max_feedrate", self._layer_view.getMaxFeedrate())
self._layer_shader.setUniformValue(
"u_min_feedrate", self._layer_view.getMinFeedrate())
self._layer_shader.setUniformValue(
"u_max_thickness", self._layer_view.getMaxThickness())
self._layer_shader.setUniformValue(
"u_min_thickness", self._layer_view.getMinThickness())
self._layer_shader.setUniformValue(
"u_layer_view_type", self._layer_view.getSimulationViewType())
self._layer_shader.setUniformValue(
"u_extruder_opacity", self._layer_view.getExtruderOpacities())
self._layer_shader.setUniformValue(
"u_show_travel_moves", self._layer_view.getShowTravelMoves())
self._layer_shader.setUniformValue(
"u_show_helpers", self._layer_view.getShowHelpers())
self._layer_shader.setUniformValue("u_show_skin",
self._layer_view.getShowSkin())
self._layer_shader.setUniformValue(
"u_show_infill", self._layer_view.getShowInfill())
else:
#defaults
self._layer_shader.setUniformValue("u_max_feedrate", 1)
self._layer_shader.setUniformValue("u_min_feedrate", 0)
self._layer_shader.setUniformValue("u_max_thickness", 1)
self._layer_shader.setUniformValue("u_min_thickness", 0)
self._layer_shader.setUniformValue("u_layer_view_type", 1)
self._layer_shader.setUniformValue(
"u_extruder_opacity",
[[1, 1, 1, 1], [1, 1, 1, 1], [1, 1, 1, 1], [1, 1, 1, 1]])
self._layer_shader.setUniformValue("u_show_travel_moves", 0)
self._layer_shader.setUniformValue("u_show_helpers", 1)
self._layer_shader.setUniformValue("u_show_skin", 1)
self._layer_shader.setUniformValue("u_show_infill", 1)
if not self._tool_handle_shader:
self._tool_handle_shader = OpenGL.getInstance(
).createShaderProgram(
Resources.getPath(Resources.Shaders, "toolhandle.shader"))
if not self._nozzle_shader:
self._nozzle_shader = OpenGL.getInstance().createShaderProgram(
Resources.getPath(Resources.Shaders, "color.shader"))
self._nozzle_shader.setUniformValue(
"u_color",
Color(*Application.getInstance().getTheme().getColor(
"layerview_nozzle").getRgb()))
self.bind()
tool_handle_batch = RenderBatch(self._tool_handle_shader,
type=RenderBatch.RenderType.Overlay,
backface_cull=True)
head_position = None # Indicates the current position of the print head
nozzle_node = None
for node in DepthFirstIterator(self._scene.getRoot()):
if isinstance(node, ToolHandle):
tool_handle_batch.addItem(node.getWorldTransformation(),
mesh=node.getSolidMesh())
elif isinstance(node, NozzleNode):
nozzle_node = node
nozzle_node.setVisible(False)
elif isinstance(node, SceneNode) and (node.getMeshData(
) or node.callDecoration("isBlockSlicing")) and node.isVisible():
layer_data = node.callDecoration("getLayerData")
if not layer_data:
continue
# Render all layers below a certain number as line mesh instead of vertices.
if self._layer_view._current_layer_num > -1 and (
(not self._layer_view._only_show_top_layers) or
(not self._layer_view.getCompatibilityMode())):
start = 0
end = 0
element_counts = layer_data.getElementCounts()
for layer in sorted(element_counts.keys()):
# In the current layer, we show just the indicated paths
if layer == self._layer_view._current_layer_num:
# We look for the position of the head, searching the point of the current path
index = self._layer_view._current_path_num
offset = 0
for polygon in layer_data.getLayer(layer).polygons:
# The size indicates all values in the two-dimension array, and the second dimension is
# always size 3 because we have 3D points.
if index >= polygon.data.size // 3 - offset:
index -= polygon.data.size // 3 - offset
offset = 1 # This is to avoid the first point when there is more than one polygon, since has the same value as the last point in the previous polygon
continue
# The head position is calculated and translated
head_position = Vector(
polygon.data[index + offset][0],
polygon.data[index + offset][1],
polygon.data[index + offset]
[2]) + node.getWorldPosition()
break
break
if self._layer_view._minimum_layer_num > layer:
start += element_counts[layer]
end += element_counts[layer]
# Calculate the range of paths in the last layer
current_layer_start = end
current_layer_end = end + self._layer_view._current_path_num * 2 # Because each point is used twice
# This uses glDrawRangeElements internally to only draw a certain range of lines.
# All the layers but the current selected layer are rendered first
if self._old_current_path != self._layer_view._current_path_num:
self._current_shader = self._layer_shadow_shader
self._switching_layers = False
if not self._layer_view.isSimulationRunning(
) and self._old_current_layer != self._layer_view._current_layer_num:
self._current_shader = self._layer_shader
self._switching_layers = True
layers_batch = RenderBatch(
self._current_shader,
type=RenderBatch.RenderType.Solid,
mode=RenderBatch.RenderMode.Lines,
range=(start, end),
backface_cull=True)
layers_batch.addItem(node.getWorldTransformation(),
layer_data)
layers_batch.render(self._scene.getActiveCamera())
# Current selected layer is rendered
current_layer_batch = RenderBatch(
self._layer_shader,
type=RenderBatch.RenderType.Solid,
mode=RenderBatch.RenderMode.Lines,
range=(current_layer_start, current_layer_end))
current_layer_batch.addItem(node.getWorldTransformation(),
layer_data)
current_layer_batch.render(self._scene.getActiveCamera())
self._old_current_layer = self._layer_view._current_layer_num
self._old_current_path = self._layer_view._current_path_num
# Create a new batch that is not range-limited
batch = RenderBatch(self._layer_shader,
type=RenderBatch.RenderType.Solid)
if self._layer_view.getCurrentLayerMesh():
batch.addItem(node.getWorldTransformation(),
self._layer_view.getCurrentLayerMesh())
if self._layer_view.getCurrentLayerJumps():
batch.addItem(node.getWorldTransformation(),
self._layer_view.getCurrentLayerJumps())
if len(batch.items) > 0:
batch.render(self._scene.getActiveCamera())
# The nozzle is drawn when once we know the correct position of the head,
# but the user is not using the layer slider, and the compatibility mode is not enabled
if not self._switching_layers and not self._compatibility_mode and self._layer_view.getActivity(
) and nozzle_node is not None:
if head_position is not None:
nozzle_node.setVisible(True)
nozzle_node.setPosition(head_position)
nozzle_batch = RenderBatch(
self._nozzle_shader,
type=RenderBatch.RenderType.Transparent)
nozzle_batch.addItem(nozzle_node.getWorldTransformation(),
mesh=nozzle_node.getMeshData())
nozzle_batch.render(self._scene.getActiveCamera())
# Render toolhandles on top of the layerview
if len(tool_handle_batch.items) > 0:
tool_handle_batch.render(self._scene.getActiveCamera())
self.release()
def sliceableNodes(self):
# Add all sliceable scene nodes to check
scene = Application.getInstance().getController().getScene()
for node in DepthFirstIterator(scene.getRoot()):
if node.callDecoration("isSliceable"):
yield node
def calculateColorSchemeLimits(self) -> None:
"""
Calculates the limits of the colour schemes, depending on the layer view data that is visible to the user.
"""
# Before we start, save the old values so that we can tell if any of the spectrums need to change.
old_min_feedrate = self._min_feedrate
old_max_feedrate = self._max_feedrate
old_min_linewidth = self._min_line_width
old_max_linewidth = self._max_line_width
old_min_thickness = self._min_thickness
old_max_thickness = self._max_thickness
self._min_feedrate = sys.float_info.max
self._max_feedrate = sys.float_info.min
self._min_line_width = sys.float_info.max
self._max_line_width = sys.float_info.min
self._min_thickness = sys.float_info.max
self._max_thickness = sys.float_info.min
# The colour scheme is only influenced by the visible lines, so filter the lines by if they should be visible.
visible_line_types = []
if self.getShowSkin(): # Actually "shell".
visible_line_types.append(LayerPolygon.SkinType)
visible_line_types.append(LayerPolygon.Inset0Type)
visible_line_types.append(LayerPolygon.InsetXType)
if self.getShowInfill():
visible_line_types.append(LayerPolygon.InfillType)
if self.getShowHelpers():
visible_line_types.append(LayerPolygon.PrimeTowerType)
visible_line_types.append(LayerPolygon.SkirtType)
visible_line_types.append(LayerPolygon.SupportType)
visible_line_types.append(LayerPolygon.SupportInfillType)
visible_line_types.append(LayerPolygon.SupportInterfaceType)
if self.getShowTravelMoves():
visible_line_types.append(LayerPolygon.MoveCombingType)
visible_line_types.append(LayerPolygon.MoveRetractionType)
for node in DepthFirstIterator(self.getController().getScene().getRoot()):
layer_data = node.callDecoration("getLayerData")
if not layer_data:
continue
for layer_index in layer_data.getLayers():
for polyline in layer_data.getLayer(layer_index).polygons:
is_visible = numpy.isin(polyline.types, visible_line_types)
visible_indices = numpy.where(is_visible)[0]
if visible_indices.size == 0: # No items to take maximum or minimum of.
continue
visible_feedrates = numpy.take(polyline.lineFeedrates, visible_indices)
visible_linewidths = numpy.take(polyline.lineWidths, visible_indices)
visible_thicknesses = numpy.take(polyline.lineThicknesses, visible_indices)
self._max_feedrate = max(float(visible_feedrates.max()), self._max_feedrate)
self._min_feedrate = min(float(visible_feedrates.min()), self._min_feedrate)
self._max_line_width = max(float(visible_linewidths.max()), self._max_line_width)
self._min_line_width = min(float(visible_linewidths.min()), self._min_line_width)
self._max_thickness = max(float(visible_thicknesses.max()), self._max_thickness)
try:
self._min_thickness = min(float(visible_thicknesses[numpy.nonzero(visible_thicknesses)].min()), self._min_thickness)
except ValueError:
# Sometimes, when importing a GCode the line thicknesses are zero and so the minimum (avoiding the zero) can't be calculated.
Logger.log("i", "Min thickness can't be calculated because all the values are zero")
if old_min_feedrate != self._min_feedrate or old_max_feedrate != self._max_feedrate \
or old_min_linewidth != self._min_line_width or old_max_linewidth != self._max_line_width \
or old_min_thickness != self._min_thickness or old_max_thickness != self._max_thickness:
self.colorSchemeLimitsChanged.emit()
def run(self):
stack = Application.getInstance().getGlobalContainerStack()
if not stack:
self.setResult(False)
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):
temp_list.append(node)
Job.yieldThread()
if temp_list:
object_groups.append(temp_list)
if not object_groups:
return
self._buildGlobalSettingsMessage(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().getTransformed(
object.getWorldTransformation())
obj = group_message.addRepeatedMessage("objects")
obj.id = id(object)
verts = numpy.array(mesh_data.getVertices())
# Convert from Y up axes to Z up axes. Equals a 90 degree rotation.
verts[:, [1, 2]] = verts[:, [2, 1]]
verts[:, 1] *= -1
obj.vertices = verts
self._handlePerObjectSettings(object, obj)
Job.yieldThread()
self.setResult(True)
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 not Application.getInstance().getMachineManager().isActiveStackValid:
self.setResult(StartJobResult.SettingError)
return
if Application.getInstance().getBuildVolume().hasErrors():
self.setResult(StartJobResult.SettingError)
return
for extruder_stack in cura.Settings.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.SettingError)
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):
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)
for extruder_stack in cura.Settings.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().getTransformed(object.getWorldTransformation())
obj = group_message.addRepeatedMessage("objects")
obj.id = id(object)
verts = numpy.array(mesh_data.getVertices())
# Convert from Y up axes to Z up axes. Equals a 90 degree rotation.
verts[:, [1, 2]] = verts[:, [2, 1]]
verts[:, 1] *= -1
obj.vertices = verts
self._handlePerObjectSettings(object, obj)
Job.yieldThread()
self.setResult(StartJobResult.Finished)
def run(self):
start_time = time()
if Application.getInstance().getController().getActiveView(
).getPluginId() == "LayerView":
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)
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_message:
self._progress_message.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_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))
if self._progress_message:
self._progress_message.setProgress(100)
view = Application.getInstance().getController().getActiveView()
if view.getPluginId() == "LayerView":
view.resetLayerData()
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 beginRendering(self):
scene = self.getController().getScene()
renderer = self.getRenderer()
self._checkSetup()
global_container_stack = Application.getInstance(
).getGlobalContainerStack()
if global_container_stack:
if Application.getInstance().getPreferences().getValue(
"view/show_overhang"):
# Make sure the overhang angle is valid before passing it to the shader
if self._support_angle is not None and self._support_angle >= 0 and self._support_angle <= 90:
self._enabled_shader.setUniformValue(
"u_overhangAngle",
math.cos(math.radians(90 - self._support_angle)))
else:
self._enabled_shader.setUniformValue(
"u_overhangAngle", math.cos(math.radians(0))
) #Overhang angle of 0 causes no area at all to be marked as overhang.
else:
self._enabled_shader.setUniformValue("u_overhangAngle",
math.cos(math.radians(0)))
for node in DepthFirstIterator(scene.getRoot()):
if not node.render(renderer):
if node.getMeshData() and node.isVisible(
) and not node.callDecoration("getLayerData"):
uniforms = {}
shade_factor = 1.0
per_mesh_stack = node.callDecoration("getStack")
extruder_index = node.callDecoration(
"getActiveExtruderPosition")
if extruder_index is None:
extruder_index = "0"
extruder_index = int(extruder_index)
# Use the support extruder instead of the active extruder if this is a support_mesh
if per_mesh_stack:
if per_mesh_stack.getProperty("support_mesh", "value"):
extruder_index = int(
global_container_stack.
getExtruderPositionValueWithDefault(
"support_extruder_nr"))
try:
material_color = self._extruders_model.getItem(
extruder_index)["color"]
except KeyError:
material_color = self._extruders_model.defaultColors[0]
if extruder_index != ExtruderManager.getInstance(
).activeExtruderIndex:
# Shade objects that are printed with the non-active extruder 25% darker
shade_factor = 0.6
try:
# Colors are passed as rgb hex strings (eg "#ffffff"), and the shader needs
# an rgba list of floats (eg [1.0, 1.0, 1.0, 1.0])
uniforms["diffuse_color"] = [
shade_factor * int(material_color[1:3], 16) / 255,
shade_factor * int(material_color[3:5], 16) / 255,
shade_factor * int(material_color[5:7], 16) / 255,
1.0
]
# Color the currently selected face-id. (Disable for now.)
#face = Selection.getHoverFace()
uniforms[
"hover_face"] = -1 #if not face or node != face[0] else face[1]
except ValueError:
pass
if node.callDecoration("isNonPrintingMesh"):
if per_mesh_stack and (per_mesh_stack.getProperty(
"infill_mesh", "value")
or per_mesh_stack.getProperty(
"cutting_mesh", "value")):
renderer.queueNode(
node,
shader=self._non_printing_shader,
uniforms=uniforms,
transparent=True)
else:
renderer.queueNode(
node,
shader=self._non_printing_shader,
transparent=True)
elif getattr(node, "_outside_buildarea", False):
renderer.queueNode(node, shader=self._disabled_shader)
elif per_mesh_stack and per_mesh_stack.getProperty(
"support_mesh", "value"):
# Render support meshes with a vertical stripe that is darker
shade_factor = 0.6
uniforms["diffuse_color_2"] = [
uniforms["diffuse_color"][0] * shade_factor,
uniforms["diffuse_color"][1] * shade_factor,
uniforms["diffuse_color"][2] * shade_factor, 1.0
]
renderer.queueNode(node,
shader=self._support_mesh_shader,
uniforms=uniforms)
else:
renderer.queueNode(node,
shader=self._enabled_shader,
uniforms=uniforms)
if node.callDecoration("isGroup") and Selection.isSelected(
node):
renderer.queueNode(scene.getRoot(),
mesh=node.getBoundingBoxMesh(),
mode=RenderBatch.RenderMode.LineLoop)
def getUsedExtruderStacks(self) -> List["ContainerStack"]:
global_stack = Application.getInstance().getGlobalContainerStack()
container_registry = ContainerRegistry.getInstance()
used_extruder_stack_ids = set()
# Get the extruders of all meshes in the scene
support_enabled = False
support_bottom_enabled = False
support_roof_enabled = False
scene_root = Application.getInstance().getController().getScene(
).getRoot()
# If no extruders are registered in the extruder manager yet, return an empty array
if len(self.extruderIds) == 0:
return []
# Get the extruders of all printable meshes in the scene
meshes = [
node for node in DepthFirstIterator(scene_root)
if isinstance(node, SceneNode) and node.isSelectable()
]
for mesh in meshes:
extruder_stack_id = mesh.callDecoration("getActiveExtruder")
if not extruder_stack_id:
# No per-object settings for this node
extruder_stack_id = self.extruderIds["0"]
used_extruder_stack_ids.add(extruder_stack_id)
# Get whether any of them use support.
stack_to_use = mesh.callDecoration(
"getStack") # if there is a per-mesh stack, we use it
if not stack_to_use:
# if there is no per-mesh stack, we use the build extruder for this mesh
stack_to_use = container_registry.findContainerStacks(
id=extruder_stack_id)[0]
support_enabled |= stack_to_use.getProperty(
"support_enable", "value")
support_bottom_enabled |= stack_to_use.getProperty(
"support_bottom_enable", "value")
support_roof_enabled |= stack_to_use.getProperty(
"support_roof_enable", "value")
# Check limit to extruders
limit_to_extruder_feature_list = [
"wall_0_extruder_nr",
"wall_x_extruder_nr",
"roofing_extruder_nr",
"top_bottom_extruder_nr",
"infill_extruder_nr",
]
for extruder_nr_feature_name in limit_to_extruder_feature_list:
extruder_nr = int(
global_stack.getProperty(extruder_nr_feature_name,
"value"))
if extruder_nr == -1:
continue
used_extruder_stack_ids.add(self.extruderIds[str(extruder_nr)])
# Check support extruders
if support_enabled:
used_extruder_stack_ids.add(self.extruderIds[str(
global_stack.getProperty("support_infill_extruder_nr",
"value"))])
used_extruder_stack_ids.add(self.extruderIds[str(
global_stack.getProperty("support_extruder_nr_layer_0",
"value"))])
if support_bottom_enabled:
used_extruder_stack_ids.add(self.extruderIds[str(
global_stack.getProperty("support_bottom_extruder_nr",
"value"))])
if support_roof_enabled:
used_extruder_stack_ids.add(self.extruderIds[str(
global_stack.getProperty("support_roof_extruder_nr",
"value"))])
# The platform adhesion extruder. Not used if using none.
if global_stack.getProperty("adhesion_type", "value") != "none":
used_extruder_stack_ids.add(self.extruderIds[str(
global_stack.getProperty("adhesion_extruder_nr", "value"))])
try:
return [
container_registry.findContainerStacks(id=stack_id)[0]
for stack_id in used_extruder_stack_ids
]
except IndexError: # One or more of the extruders was not found.
Logger.log("e",
"Unable to find one or more of the extruders in %s",
used_extruder_stack_ids)
return []
def _clearLayerData(self):
for node in DepthFirstIterator(self._scene.getRoot()):
if node.callDecoration("getLayerData"):
node.getParent().removeChild(node)
break
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 = []
has_model_with_disabled_extruders = False
associated_disabled_extruders = set()
for group in object_groups:
stack = Application.getInstance().getGlobalContainerStack()
skip_group = False
for node in group:
extruder_position = node.callDecoration(
"getActiveExtruderPosition")
if 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
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 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]
if global_stack.getProperty("adhesion_type",
"value") == "raft":
# Add at least support interface thickness so that
# the part does not fuse into the raft
# bounding_box_bottom is just distance from bottom of object to bed
# we need it to be at least support_roof_height to fit in one layer of
# support interface
bounding_box_bottom = object.getBoundingBox().bottom
support_roof_height = global_stack.getProperty(
"support_roof_height", "value")
if bounding_box_bottom < support_roof_height:
difference_needed = support_roof_height - bounding_box_bottom
translate[1] += difference_needed
# 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 setMachineExtruderCount(self, extruder_count):
extruder_manager = Application.getInstance().getExtruderManager()
definition_changes_container = self._global_container_stack.definitionChanges
if not self._global_container_stack or definition_changes_container == self._empty_container:
return
previous_extruder_count = self._global_container_stack.getProperty(
"machine_extruder_count", "value")
if extruder_count == previous_extruder_count:
return
# reset all extruder number settings whose value is no longer valid
for setting_instance in self._global_container_stack.userChanges.findInstances(
):
setting_key = setting_instance.definition.key
if not self._global_container_stack.getProperty(
setting_key, "type") in ("extruder", "optional_extruder"):
continue
old_value = int(
self._global_container_stack.userChanges.getProperty(
setting_key, "value"))
if old_value >= extruder_count:
self._global_container_stack.userChanges.removeInstance(
setting_key)
Logger.log(
"d",
"Reset [%s] because its old value [%s] is no longer valid ",
setting_key, old_value)
# Check to see if any objects are set to print with an extruder that will no longer exist
root_node = Application.getInstance().getController().getScene(
).getRoot()
for node in DepthFirstIterator(root_node):
if node.getMeshData():
extruder_nr = node.callDecoration("getActiveExtruderPosition")
if extruder_nr is not None and int(
extruder_nr) > extruder_count - 1:
node.callDecoration(
"setActiveExtruder",
extruder_manager.getExtruderStack(extruder_count -
1).getId())
definition_changes_container.setProperty("machine_extruder_count",
"value", extruder_count)
# Make sure one of the extruder stacks is active
extruder_manager.setActiveExtruderIndex(0)
# Move settable_per_extruder values out of the global container
# After CURA-4482 this should not be the case anymore, but we still want to support older project files.
global_user_container = self._global_container_stack.getTop()
if previous_extruder_count == 1:
extruder_stacks = ExtruderManager.getInstance(
).getActiveExtruderStacks()
global_user_container = self._global_container_stack.getTop()
for setting_instance in global_user_container.findInstances():
setting_key = setting_instance.definition.key
settable_per_extruder = self._global_container_stack.getProperty(
setting_key, "settable_per_extruder")
if settable_per_extruder:
limit_to_extruder = int(
self._global_container_stack.getProperty(
setting_key, "limit_to_extruder"))
extruder_stack = extruder_stacks[max(0, limit_to_extruder)]
extruder_stack.getTop().setProperty(
setting_key, "value",
global_user_container.getProperty(setting_key, "value"))
global_user_container.removeInstance(setting_key)
self.forceUpdate()
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 = []
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 beginRendering(self):
scene = self.getController().getScene()
renderer = self.getRenderer()
if not self._enabled_shader:
self._enabled_shader = OpenGL.getInstance().createShaderProgram(
Resources.getPath(Resources.Shaders, "overhang.shader"))
if not self._disabled_shader:
self._disabled_shader = OpenGL.getInstance().createShaderProgram(
Resources.getPath(Resources.Shaders, "striped.shader"))
self._disabled_shader.setUniformValue("u_diffuseColor1",
[0.48, 0.48, 0.48, 1.0])
self._disabled_shader.setUniformValue("u_diffuseColor2",
[0.68, 0.68, 0.68, 1.0])
self._disabled_shader.setUniformValue("u_width", 50.0)
multi_extrusion = False
global_container_stack = Application.getInstance(
).getGlobalContainerStack()
if global_container_stack:
if Preferences.getInstance().getValue("view/show_overhang"):
angle = global_container_stack.getProperty(
"support_angle", "value")
# Make sure the overhang angle is valid before passing it to the shader
# Note: if the overhang angle is set to its default value, it does not need to get validated (validationState = None)
if angle is not None and global_container_stack.getProperty(
"support_angle",
"validationState") in [None, ValidatorState.Valid]:
self._enabled_shader.setUniformValue(
"u_overhangAngle", math.cos(math.radians(90 - angle)))
else:
self._enabled_shader.setUniformValue(
"u_overhangAngle", math.cos(math.radians(0))
) #Overhang angle of 0 causes no area at all to be marked as overhang.
else:
self._enabled_shader.setUniformValue("u_overhangAngle",
math.cos(math.radians(0)))
multi_extrusion = global_container_stack.getProperty(
"machine_extruder_count", "value") > 1
for node in DepthFirstIterator(scene.getRoot()):
if not node.render(renderer):
if node.getMeshData() and node.isVisible():
uniforms = {}
if not multi_extrusion:
if global_container_stack:
material = global_container_stack.findContainer(
{"type": "material"})
material_color = material.getMetaDataEntry(
"color_code",
default=self._extruders_model.defaultColors[0]
) if material else self._extruders_model.defaultColors[
0]
else:
material_color = self._extruders_model.defaultColors[
0]
else:
# Get color to render this mesh in from ExtrudersModel
extruder_index = 0
extruder_id = node.callDecoration("getActiveExtruder")
if extruder_id:
extruder_index = max(
0,
self._extruders_model.find("id", extruder_id))
material_color = self._extruders_model.getItem(
extruder_index)["color"]
try:
# Colors are passed as rgb hex strings (eg "#ffffff"), and the shader needs
# an rgba list of floats (eg [1.0, 1.0, 1.0, 1.0])
uniforms["diffuse_color"] = [
int(material_color[1:3], 16) / 255,
int(material_color[3:5], 16) / 255,
int(material_color[5:7], 16) / 255, 1.0
]
except ValueError:
pass
if hasattr(node, "_outside_buildarea"):
if node._outside_buildarea:
renderer.queueNode(node,
shader=self._disabled_shader)
else:
renderer.queueNode(node,
shader=self._enabled_shader,
uniforms=uniforms)
else:
renderer.queueNode(node,
material=self._enabled_shader,
uniforms=uniforms)
if node.callDecoration("isGroup") and Selection.isSelected(
node):
renderer.queueNode(scene.getRoot(),
mesh=node.getBoundingBoxMesh(),
mode=Renderer.RenderLines)
def getUsedExtruderStacks(self) -> List["ExtruderStack"]:
global_stack = self._application.getGlobalContainerStack()
container_registry = ContainerRegistry.getInstance()
used_extruder_stack_ids = set()
# Get the extruders of all meshes in the scene
support_enabled = False
support_bottom_enabled = False
support_roof_enabled = False
scene_root = self._application.getController().getScene().getRoot()
# If no extruders are registered in the extruder manager yet, return an empty array
if len(self.extruderIds) == 0:
return []
# Get the extruders of all printable meshes in the scene
meshes = [
node for node in DepthFirstIterator(scene_root)
if isinstance(node, SceneNode) and node.isSelectable()
] #type: ignore #Ignore type error because iter() should get called automatically by Python syntax.
# Exclude anti-overhang meshes
mesh_list = []
for mesh in meshes:
stack = mesh.callDecoration("getStack")
if stack is not None and (
stack.getProperty("anti_overhang_mesh", "value")
or stack.getProperty("support_mesh", "value")):
continue
mesh_list.append(mesh)
for mesh in mesh_list:
extruder_stack_id = mesh.callDecoration("getActiveExtruder")
if not extruder_stack_id:
# No per-object settings for this node
extruder_stack_id = self.extruderIds["0"]
used_extruder_stack_ids.add(extruder_stack_id)
# Get whether any of them use support.
stack_to_use = mesh.callDecoration(
"getStack") # if there is a per-mesh stack, we use it
if not stack_to_use:
# if there is no per-mesh stack, we use the build extruder for this mesh
stack_to_use = container_registry.findContainerStacks(
id=extruder_stack_id)[0]
support_enabled |= stack_to_use.getProperty(
"support_enable", "value")
support_bottom_enabled |= stack_to_use.getProperty(
"support_bottom_enable", "value")
support_roof_enabled |= stack_to_use.getProperty(
"support_roof_enable", "value")
# Check limit to extruders
limit_to_extruder_feature_list = [
"wall_0_extruder_nr",
"wall_x_extruder_nr",
"roofing_extruder_nr",
"top_bottom_extruder_nr",
"infill_extruder_nr",
]
for extruder_nr_feature_name in limit_to_extruder_feature_list:
extruder_nr = int(
global_stack.getProperty(extruder_nr_feature_name,
"value"))
if extruder_nr == -1:
continue
if str(extruder_nr) not in self.extruderIds:
extruder_nr = int(self._application.getMachineManager().
defaultExtruderPosition)
used_extruder_stack_ids.add(self.extruderIds[str(extruder_nr)])
# Check support extruders
if support_enabled:
used_extruder_stack_ids.add(
self.extruderIds[self.extruderValueWithDefault(
str(
global_stack.getProperty("support_infill_extruder_nr",
"value")))])
used_extruder_stack_ids.add(
self.extruderIds[self.extruderValueWithDefault(
str(
global_stack.getProperty("support_extruder_nr_layer_0",
"value")))])
if support_bottom_enabled:
used_extruder_stack_ids.add(
self.extruderIds[self.extruderValueWithDefault(
str(
global_stack.getProperty(
"support_bottom_extruder_nr", "value")))])
if support_roof_enabled:
used_extruder_stack_ids.add(
self.extruderIds[self.extruderValueWithDefault(
str(
global_stack.getProperty(
"support_roof_extruder_nr", "value")))])
# The platform adhesion extruder. Not used if using none.
if global_stack.getProperty("adhesion_type", "value") != "none" or (
global_stack.getProperty("prime_tower_brim_enable", "value")
and
global_stack.getProperty("adhesion_type", "value") != 'raft'):
extruder_str_nr = str(
global_stack.getProperty("adhesion_extruder_nr", "value"))
if extruder_str_nr == "-1":
extruder_str_nr = self._application.getMachineManager(
).defaultExtruderPosition
if extruder_str_nr in self.extruderIds:
used_extruder_stack_ids.add(self.extruderIds[extruder_str_nr])
try:
return [
container_registry.findContainerStacks(id=stack_id)[0]
for stack_id in used_extruder_stack_ids
]
except IndexError: # One or more of the extruders was not found.
Logger.log("e",
"Unable to find one or more of the extruders in %s",
used_extruder_stack_ids)
return []
def _onWriteStarted(self, output_device):
try:
if not Preferences.getInstance().getValue("info/send_slice_info"):
Logger.log("d", "'info/send_slice_info' is turned off.")
return # Do nothing, user does not want to send data
# Listing all files placed on the buildplate
modelhashes = []
for node in DepthFirstIterator(CuraApplication.getInstance(
).getController().getScene().getRoot()):
if node.callDecoration("isSliceable"):
modelhashes.append(node.getMeshData().getHash())
# Creating md5sums and formatting them as discussed on JIRA
modelhash_formatted = ",".join(modelhashes)
global_container_stack = Application.getInstance(
).getGlobalContainerStack()
# Get total material used (in mm^3)
print_information = Application.getInstance().getPrintInformation()
material_radius = 0.5 * global_container_stack.getProperty(
"material_diameter", "value")
# Send material per extruder
material_used = [
str(math.pi * material_radius * material_radius *
material_length)
for material_length in print_information.materialLengths
]
material_used = ",".join(material_used)
containers = {"": global_container_stack.serialize()}
for container in global_container_stack.getContainers():
container_id = container.getId()
try:
container_serialized = container.serialize()
except NotImplementedError:
Logger.log("w", "Container %s could not be serialized!",
container_id)
continue
if container_serialized:
containers[container_id] = container_serialized
else:
Logger.log("i", "No data found in %s to be serialized!",
container_id)
# Bundle the collected data
submitted_data = {
"processor":
platform.processor(),
"machine":
platform.machine(),
"platform":
platform.platform(),
"settings":
json.dumps(
containers
), # bundle of containers with their serialized contents
"version":
Application.getInstance().getVersion(),
"modelhash":
modelhash_formatted,
"printtime":
print_information.currentPrintTime.getDisplayString(
DurationFormat.Format.ISO8601),
"filament":
material_used,
"language":
Preferences.getInstance().getValue("general/language"),
}
# Convert data to bytes
submitted_data = urllib.parse.urlencode(submitted_data)
binary_data = submitted_data.encode("utf-8")
# Sending slice info non-blocking
reportJob = SliceInfoJob(self.info_url, binary_data)
reportJob.start()
except Exception as e:
# We really can't afford to have a mistake here, as this would break the sending of g-code to a device
# (Either saving or directly to a printer). The functionality of the slice data is not *that* important.
Logger.log(
"e",
"Exception raised while sending slice info: %s" % (repr(e))
) # But we should be notified about these problems of course.
def _onWriteStarted(self, output_device):
try:
if not Preferences.getInstance().getValue("info/send_slice_info"):
Logger.log("d", "'info/send_slice_info' is turned off.")
return # Do nothing, user does not want to send data
global_container_stack = Application.getInstance(
).getGlobalContainerStack()
# Get total material used (in mm^3)
print_information = Application.getInstance().getPrintInformation()
material_radius = 0.5 * global_container_stack.getProperty(
"material_diameter", "value")
# TODO: Send material per extruder instead of mashing it on a pile
material_used = math.pi * material_radius * material_radius * sum(
print_information.materialLengths
) #Volume of all materials used
# Get model information (bounding boxes, hashes and transformation matrix)
models_info = []
for node in DepthFirstIterator(Application.getInstance(
).getController().getScene().getRoot()):
if type(node) is SceneNode and node.getMeshData(
) and node.getMeshData().getVertices() is not None:
if not getattr(node, "_outside_buildarea", False):
model_info = {}
model_info["hash"] = node.getMeshData().getHash()
model_info["bounding_box"] = {}
model_info["bounding_box"]["minimum"] = {}
model_info["bounding_box"]["minimum"][
"x"] = node.getBoundingBox().minimum.x
model_info["bounding_box"]["minimum"][
"y"] = node.getBoundingBox().minimum.y
model_info["bounding_box"]["minimum"][
"z"] = node.getBoundingBox().minimum.z
model_info["bounding_box"]["maximum"] = {}
model_info["bounding_box"]["maximum"][
"x"] = node.getBoundingBox().maximum.x
model_info["bounding_box"]["maximum"][
"y"] = node.getBoundingBox().maximum.y
model_info["bounding_box"]["maximum"][
"z"] = node.getBoundingBox().maximum.z
model_info["transformation"] = str(
node.getWorldTransformation().getData())
models_info.append(model_info)
# Bundle the collected data
submitted_data = {
"processor":
platform.processor(),
"machine":
platform.machine(),
"platform":
platform.platform(),
"settings":
global_container_stack.serialize(
), # global_container with references on used containers
"version":
Application.getInstance().getVersion(),
"modelhash":
"None",
"printtime":
print_information.currentPrintTime.getDisplayString(
DurationFormat.Format.ISO8601),
"filament":
material_used,
"language":
Preferences.getInstance().getValue("general/language"),
}
for container in global_container_stack.getContainers():
container_id = container.getId()
try:
container_serialized = container.serialize()
except NotImplementedError:
Logger.log("w", "Container %s could not be serialized!",
container_id)
continue
if container_serialized:
submitted_data["settings_%s" % (
container_id
)] = container_serialized # This can be anything, eg. INI, JSON, etc.
else:
Logger.log("i", "No data found in %s to be serialized!",
container_id)
# Convert data to bytes
submitted_data = urllib.parse.urlencode(submitted_data)
binary_data = submitted_data.encode("utf-8")
# Sending slice info non-blocking
reportJob = SliceInfoJob(self.info_url, binary_data)
reportJob.start()
except Exception as e:
# We really can't afford to have a mistake here, as this would break the sending of g-code to a device
# (Either saving or directly to a printer). The functionality of the slice data is not *that* important.
Logger.log(
"e",
"Exception raised while sending slice info: %s" % (repr(e))
) # But we should be notified about these problems of course.
def _onWriteStarted(self, output_device):
if not Preferences.getInstance().getValue("info/send_slice_info"):
return # Do nothing, user does not want to send data
settings = Application.getInstance().getMachineManager(
).getActiveProfile()
# Load all machine definitions and put them in machine_settings dict
#setting_file_name = Application.getInstance().getActiveMachineInstance().getMachineSettings()._json_file
machine_settings = {}
#with open(setting_file_name, "rt", -1, "utf-8") as f:
# data = json.load(f, object_pairs_hook = collections.OrderedDict)
#machine_settings[os.path.basename(setting_file_name)] = copy.deepcopy(data)
active_machine_definition = Application.getInstance(
).getMachineManager().getActiveMachineInstance().getMachineDefinition(
)
data = active_machine_definition._json_data
# Loop through inherited json files
setting_file_name = active_machine_definition._path
while True:
if "inherits" in data:
inherited_setting_file_name = os.path.dirname(
setting_file_name) + "/" + data["inherits"]
with open(inherited_setting_file_name, "rt", -1, "utf-8") as f:
data = json.load(f,
object_pairs_hook=collections.OrderedDict)
machine_settings[os.path.basename(
inherited_setting_file_name)] = copy.deepcopy(data)
else:
break
profile_values = settings.getChangedSettings()
# Get total material used (in mm^3)
print_information = Application.getInstance().getPrintInformation()
material_radius = 0.5 * settings.getSettingValue("material_diameter")
material_used = math.pi * material_radius * material_radius * print_information.materialAmount #Volume of material used
# Get model information (bounding boxes, hashes and transformation matrix)
models_info = []
for node in DepthFirstIterator(Application.getInstance().getController(
).getScene().getRoot()):
if type(node) is SceneNode and node.getMeshData(
) and node.getMeshData().getVertices() is not None:
if not getattr(node, "_outside_buildarea", False):
model_info = {}
model_info["hash"] = node.getMeshData().getHash()
model_info["bounding_box"] = {}
model_info["bounding_box"]["minimum"] = {}
model_info["bounding_box"]["minimum"][
"x"] = node.getBoundingBox().minimum.x
model_info["bounding_box"]["minimum"][
"y"] = node.getBoundingBox().minimum.y
model_info["bounding_box"]["minimum"][
"z"] = node.getBoundingBox().minimum.z
model_info["bounding_box"]["maximum"] = {}
model_info["bounding_box"]["maximum"][
"x"] = node.getBoundingBox().maximum.x
model_info["bounding_box"]["maximum"][
"y"] = node.getBoundingBox().maximum.y
model_info["bounding_box"]["maximum"][
"z"] = node.getBoundingBox().maximum.z
model_info["transformation"] = str(
node.getWorldTransformation().getData())
models_info.append(model_info)
# Bundle the collected data
submitted_data = {
"processor": platform.processor(),
"machine": platform.machine(),
"platform": platform.platform(),
"machine_settings": json.dumps(machine_settings),
"version": Application.getInstance().getVersion(),
"modelhash": "None",
"printtime": str(print_information.currentPrintTime),
"filament": material_used,
"language": Preferences.getInstance().getValue("general/language"),
"materials_profiles ": {}
}
# Convert data to bytes
submitted_data = urllib.parse.urlencode(submitted_data)
binary_data = submitted_data.encode("utf-8")
# Submit data
try:
f = urllib.request.urlopen(
"https://stats.youmagine.com/curastats/slice",
data=binary_data,
timeout=1)
except Exception as e:
print("Exception occured", e)
f.close()
def snapshot(width = 300, height = 300):
scene = Application.getInstance().getController().getScene()
active_camera = scene.getActiveCamera()
render_width, render_height = active_camera.getWindowSize()
render_width = int(render_width)
render_height = int(render_height)
preview_pass = PreviewPass(render_width, render_height)
root = scene.getRoot()
camera = Camera("snapshot", root)
# determine zoom and look at
bbox = None
for node in DepthFirstIterator(root):
if node.callDecoration("isSliceable") and node.getMeshData() and node.isVisible() and not node.callDecoration("isNonThumbnailVisibleMesh"):
if bbox is None:
bbox = node.getBoundingBox()
else:
bbox = bbox + node.getBoundingBox()
# If there is no bounding box, it means that there is no model in the buildplate
if bbox is None:
return None
look_at = bbox.center
# guessed size so the objects are hopefully big
size = max(bbox.width, bbox.height, bbox.depth * 0.5)
# Looking from this direction (x, y, z) in OGL coordinates
looking_from_offset = Vector(-1, 1, 2)
if size > 0:
# determine the watch distance depending on the size
looking_from_offset = looking_from_offset * size * 1.3
camera.setPosition(look_at + looking_from_offset)
camera.lookAt(look_at)
satisfied = False
size = None
fovy = 30
while not satisfied:
if size is not None:
satisfied = True # always be satisfied after second try
projection_matrix = Matrix()
# Somehow the aspect ratio is also influenced in reverse by the screen width/height
# So you have to set it to render_width/render_height to get 1
projection_matrix.setPerspective(fovy, render_width / render_height, 1, 500)
camera.setProjectionMatrix(projection_matrix)
preview_pass.setCamera(camera)
preview_pass.render()
pixel_output = preview_pass.getOutput()
min_x, max_x, min_y, max_y = Snapshot.getImageBoundaries(pixel_output)
size = max((max_x - min_x) / render_width, (max_y - min_y) / render_height)
if size > 0.5 or satisfied:
satisfied = True
else:
# make it big and allow for some empty space around
fovy *= 0.5 # strangely enough this messes up the aspect ratio: fovy *= size * 1.1
# make it a square
if max_x - min_x >= max_y - min_y:
# make y bigger
min_y, max_y = int((max_y + min_y) / 2 - (max_x - min_x) / 2), int((max_y + min_y) / 2 + (max_x - min_x) / 2)
else:
# make x bigger
min_x, max_x = int((max_x + min_x) / 2 - (max_y - min_y) / 2), int((max_x + min_x) / 2 + (max_y - min_y) / 2)
cropped_image = pixel_output.copy(min_x, min_y, max_x - min_x, max_y - min_y)
# Scale it to the correct size
scaled_image = cropped_image.scaled(
width, height,
aspectRatioMode = QtCore.Qt.IgnoreAspectRatio,
transformMode = QtCore.Qt.SmoothTransformation)
return scaled_image
def _readMeshFinished(self, job):
Logger.log("d", "read mesh finisihed!")
### START PATCH: detect belt printer
global_container_stack = self._application.getGlobalContainerStack()
if not global_container_stack:
return
is_belt_printer = self._preferences.getValue("BeltPlugin/on_plugin")
### END PATCH
nodes = job.getResult()
file_name = job.getFileName()
file_name_lower = file_name.lower()
file_extension = file_name_lower.split(".")[-1]
self._application._currently_loading_files.remove(file_name)
self._application.fileLoaded.emit(file_name)
target_build_plate = self._application.getMultiBuildPlateModel(
).activeBuildPlate
root = self._application.getController().getScene().getRoot()
fixed_nodes = []
for node_ in DepthFirstIterator(root):
if node_.callDecoration("isSliceable") and node_.callDecoration(
"getBuildPlateNumber") == target_build_plate:
fixed_nodes.append(node_)
global_container_stack = self._application.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=fixed_nodes)
min_offset = 8
default_extruder_position = self._application.getMachineManager(
).defaultExtruderPosition
default_extruder_id = self._application._global_container_stack.extruders[
default_extruder_position].getId()
select_models_on_load = self._application.getPreferences().getValue(
"cura/select_models_on_load")
for original_node in nodes:
# Create a CuraSceneNode just if the original node is not that type
if isinstance(original_node, CuraSceneNode):
node = original_node
else:
node = CuraSceneNode()
node.setMeshData(original_node.getMeshData())
#Setting meshdata does not apply scaling.
if (original_node.getScale() != Vector(1.0, 1.0, 1.0)):
node.scale(original_node.getScale())
node.setSelectable(True)
node.setName(os.path.basename(file_name))
self._application.getBuildVolume().checkBoundsAndUpdate(node)
is_non_sliceable = "." + file_extension in self._application._non_sliceable_extensions
if is_non_sliceable:
self._application.callLater(
lambda: self._application.getController().setActiveView(
"SimulationView"))
block_slicing_decorator = BlockSlicingDecorator()
node.addDecorator(block_slicing_decorator)
else:
sliceable_decorator = SliceableObjectDecorator()
node.addDecorator(sliceable_decorator)
scene = self._application.getController().getScene()
# If there is no convex hull for the node, start calculating it and continue.
if not node.getDecorator(ConvexHullDecorator):
node.addDecorator(ConvexHullDecorator())
for child in node.getAllChildren():
if not child.getDecorator(ConvexHullDecorator):
child.addDecorator(ConvexHullDecorator())
### START PATCH: don't do standard arrange on load for belt printers
### but place in a line instead
if is_belt_printer:
half_node_depth = node.getBoundingBox().depth / 2
build_plate_empty = True
leading_edge = self._application.getBuildVolume(
).getBoundingBox().front
for existing_node in DepthFirstIterator(root):
if (not issubclass(type(existing_node), CuraSceneNode) or
(not existing_node.getMeshData()
and not existing_node.callDecoration("getLayerData"))
or
(existing_node.callDecoration("getBuildPlateNumber") !=
target_build_plate)):
continue
build_plate_empty = False
leading_edge = min(leading_edge,
existing_node.getBoundingBox().back)
if not build_plate_empty or leading_edge < half_node_depth:
node.setPosition(
Vector(
0, 0, leading_edge - half_node_depth -
self._margin_between_models))
if file_extension != "3mf" and not is_belt_printer:
### END PATCH
if node.callDecoration("isSliceable"):
# Only check position if it's not already blatantly obvious that it won't fit.
if node.getBoundingBox(
) is None or self._application._volume.getBoundingBox(
) is None or node.getBoundingBox(
).width < self._application._volume.getBoundingBox(
).width or node.getBoundingBox(
).depth < self._application._volume.getBoundingBox().depth:
# Find node location
offset_shape_arr, hull_shape_arr = ShapeArray.fromNode(
node, min_offset=min_offset)
# If a model is to small then it will not contain any points
if offset_shape_arr is None and hull_shape_arr is None:
Message(self._application._i18n_catalog.i18nc(
"@info:status",
"The selected model was too small to load."),
title=self._application._i18n_catalog.
i18nc("@info:title", "Warning")).show()
return
# Step is for skipping tests to make it a lot faster. it also makes the outcome somewhat rougher
arranger.findNodePlacement(node,
offset_shape_arr,
hull_shape_arr,
step=10)
# This node is deep copied from some other node which already has a BuildPlateDecorator, but the deepcopy
# of BuildPlateDecorator produces one that's associated with build plate -1. So, here we need to check if
# the BuildPlateDecorator exists or not and always set the correct build plate number.
build_plate_decorator = node.getDecorator(BuildPlateDecorator)
if build_plate_decorator is None:
build_plate_decorator = BuildPlateDecorator(target_build_plate)
node.addDecorator(build_plate_decorator)
build_plate_decorator.setBuildPlateNumber(target_build_plate)
op = AddSceneNodeOperation(node, scene.getRoot())
op.push()
node.callDecoration("setActiveExtruder", default_extruder_id)
scene.sceneChanged.emit(node)
if select_models_on_load:
Selection.add(node)
self._application.fileCompleted.emit(file_name)