def _onActiveExtruderChanged(self):
if self._active_extruder_stack:
self._active_extruder_stack.propertyChanged.disconnect(self._onSettingChanged)
self._active_extruder_stack.containersChanged.disconnect(self._onChanged)
self._active_extruder_stack = ExtruderManager.getInstance().getActiveExtruderStack()
if self._active_extruder_stack:
self._active_extruder_stack.propertyChanged.connect(self._onSettingChanged) # Note: Only starts slicing when the value changed.
self._active_extruder_stack.containersChanged.connect(self._onChanged)
def _onActiveExtruderChanged(self):
if self._active_extruder_stack:
self._active_extruder_stack.propertyChanged.disconnect(
self._onSettingChanged)
self._active_extruder_stack.containersChanged.disconnect(
self._onChanged)
self._active_extruder_stack = ExtruderManager.getInstance(
).getActiveExtruderStack()
if self._active_extruder_stack:
self._active_extruder_stack.propertyChanged.connect(
self._onSettingChanged
) # Note: Only starts slicing when the value changed.
self._active_extruder_stack.containersChanged.connect(
self._onChanged)
self._onChanged()
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 self._checkStackForErrors(stack):
self.setResult(StartJobResult.SettingError)
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)
if not object_groups:
self.setResult(StartJobResult.NothingToSlice)
return
self._buildGlobalSettingsMessage(stack)
for extruder_stack in ExtruderManager.getInstance().getMachineExtruders(stack.getBottom().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 __init__(self):
super().__init__()
# Find out where the engine is located, and how it is called. This depends on how Cura is packaged and which OS we are running on.
default_engine_location = os.path.join(Application.getInstallPrefix(), "bin", "CuraEngine")
if hasattr(sys, "frozen"):
default_engine_location = os.path.join(os.path.dirname(os.path.abspath(sys.executable)), "CuraEngine")
if Platform.isWindows():
default_engine_location += ".exe"
default_engine_location = os.path.abspath(default_engine_location)
Preferences.getInstance().addPreference("backend/location", default_engine_location)
self._scene = Application.getInstance().getController().getScene()
self._scene.sceneChanged.connect(self._onSceneChanged)
# Workaround to disable layer view processing if layer view is not active.
self._layer_view_active = False
Application.getInstance().getController().activeViewChanged.connect(self._onActiveViewChanged)
self._onActiveViewChanged()
self._stored_layer_data = []
#Triggers for when to (re)start slicing:
self._global_container_stack = None
Application.getInstance().globalContainerStackChanged.connect(self._onGlobalStackChanged)
self._onGlobalStackChanged()
self._active_extruder_stack = None
ExtruderManager.getInstance().activeExtruderChanged.connect(self._onActiveExtruderChanged)
self._onActiveExtruderChanged()
#When you update a setting and other settings get changed through inheritance, many propertyChanged signals are fired.
#This timer will group them up, and only slice for the last setting changed signal.
#TODO: Properly group propertyChanged signals by whether they are triggered by the same user interaction.
self._change_timer = QTimer()
self._change_timer.setInterval(500)
self._change_timer.setSingleShot(True)
self._change_timer.timeout.connect(self.slice)
#Listeners for receiving messages from the back-end.
self._message_handlers["cura.proto.Layer"] = self._onLayerMessage
self._message_handlers["cura.proto.Progress"] = self._onProgressMessage
self._message_handlers["cura.proto.GCodeLayer"] = self._onGCodeLayerMessage
self._message_handlers["cura.proto.GCodePrefix"] = self._onGCodePrefixMessage
self._message_handlers["cura.proto.PrintTimeMaterialEstimates"] = self._onPrintTimeMaterialEstimates
#self._message_handlers["cura.proto.ObjectPrintTime"] = self._onObjectPrintTimeMessage
self._message_handlers["cura.proto.SlicingFinished"] = self._onSlicingFinishedMessage
self._start_slice_job = None
self._slicing = False #Are we currently slicing?
self._restart = False #Back-end is currently restarting?
self._enabled = True #Should we be slicing? Slicing might be paused when, for instance, the user is dragging the mesh around.
self._always_restart = True #Always restart the engine when starting a new slice. Don't keep the process running. TODO: Fix engine statelessness.
self._process_layers_job = None #The currently active job to process layers, or None if it is not processing layers.
self._error_message = None #Pop-up message that shows errors.
self.backendQuit.connect(self._onBackendQuit)
self.backendConnected.connect(self._onBackendConnected)
#When a tool operation is in progress, don't slice. So we need to listen for tool operations.
Application.getInstance().getController().toolOperationStarted.connect(self._onToolOperationStarted)
Application.getInstance().getController().toolOperationStopped.connect(self._onToolOperationStopped)
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 self._checkStackForErrors(stack):
self.setResult(StartJobResult.SettingError)
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)
if not object_groups:
self.setResult(StartJobResult.NothingToSlice)
return
self._buildGlobalSettingsMessage(stack)
for extruder_stack in ExtruderManager.getInstance(
).getMachineExtruders(stack.getBottom().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 __init__(self):
super().__init__()
# Find out where the engine is located, and how it is called. This depends on how Cura is packaged and which OS we are running on.
default_engine_location = os.path.join(Application.getInstallPrefix(),
"bin", "CuraEngine")
if hasattr(sys, "frozen"):
default_engine_location = os.path.join(
os.path.dirname(os.path.abspath(sys.executable)), "CuraEngine")
if Platform.isWindows():
default_engine_location += ".exe"
default_engine_location = os.path.abspath(default_engine_location)
Preferences.getInstance().addPreference("backend/location",
default_engine_location)
self._scene = Application.getInstance().getController().getScene()
self._scene.sceneChanged.connect(self._onSceneChanged)
# Workaround to disable layer view processing if layer view is not active.
self._layer_view_active = False
Application.getInstance().getController().activeViewChanged.connect(
self._onActiveViewChanged)
self._onActiveViewChanged()
self._stored_layer_data = []
#Triggers for when to (re)start slicing:
self._global_container_stack = None
Application.getInstance().globalContainerStackChanged.connect(
self._onGlobalStackChanged)
self._onGlobalStackChanged()
self._active_extruder_stack = None
ExtruderManager.getInstance().activeExtruderChanged.connect(
self._onActiveExtruderChanged)
self._onActiveExtruderChanged()
#When you update a setting and other settings get changed through inheritance, many propertyChanged signals are fired.
#This timer will group them up, and only slice for the last setting changed signal.
#TODO: Properly group propertyChanged signals by whether they are triggered by the same user interaction.
self._change_timer = QTimer()
self._change_timer.setInterval(500)
self._change_timer.setSingleShot(True)
self._change_timer.timeout.connect(self.slice)
#Listeners for receiving messages from the back-end.
self._message_handlers["cura.proto.Layer"] = self._onLayerMessage
self._message_handlers["cura.proto.Progress"] = self._onProgressMessage
self._message_handlers[
"cura.proto.GCodeLayer"] = self._onGCodeLayerMessage
self._message_handlers[
"cura.proto.GCodePrefix"] = self._onGCodePrefixMessage
self._message_handlers[
"cura.proto.ObjectPrintTime"] = self._onObjectPrintTimeMessage
self._message_handlers[
"cura.proto.SlicingFinished"] = self._onSlicingFinishedMessage
self._start_slice_job = None
self._slicing = False #Are we currently slicing?
self._restart = False #Back-end is currently restarting?
self._enabled = True #Should we be slicing? Slicing might be paused when, for instance, the user is dragging the mesh around.
self._always_restart = True #Always restart the engine when starting a new slice. Don't keep the process running. TODO: Fix engine statelessness.
self._process_layers_job = None #The currently active job to process layers, or None if it is not processing layers.
self._error_message = None #Pop-up message that shows errors.
self.backendQuit.connect(self._onBackendQuit)
self.backendConnected.connect(self._onBackendConnected)
#When a tool operation is in progress, don't slice. So we need to listen for tool operations.
Application.getInstance().getController().toolOperationStarted.connect(
self._onToolOperationStarted)
Application.getInstance().getController().toolOperationStopped.connect(
self._onToolOperationStopped)
