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https://git.mirrors.martin98.com/https://github.com/Ultimaker/Cura
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212 lines
8.6 KiB
Python
212 lines
8.6 KiB
Python
# Copyright (c) 2015 Ultimaker B.V.
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# Cura is released under the terms of the AGPLv3 or higher.
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import numpy
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from string import Formatter
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from enum import IntEnum
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from UM.Job import Job
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from UM.Application import Application
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from UM.Logger import Logger
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from UM.Scene.SceneNode import SceneNode
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from UM.Scene.Iterator.DepthFirstIterator import DepthFirstIterator
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from UM.Settings.Validator import ValidatorState
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from cura.OneAtATimeIterator import OneAtATimeIterator
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class StartJobResult(IntEnum):
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Finished = 1
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Error = 2
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SettingError = 3
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NothingToSlice = 4
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## Formatter class that handles token expansion in start/end gcod
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class GcodeStartEndFormatter(Formatter):
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def get_value(self, key, args, kwargs): # [CodeStyle: get_value is an overridden function from the Formatter class]
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if isinstance(key, str):
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try:
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return kwargs[key]
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except KeyError:
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Logger.log("w", "Unable to replace '%s' placeholder in start/end gcode", key)
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return "{" + key + "}"
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else:
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Logger.log("w", "Incorrectly formatted placeholder '%s' in start/end gcode", key)
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return "{" + str(key) + "}"
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## Job class that builds up the message of scene data to send to CuraEngine.
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class StartSliceJob(Job):
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def __init__(self, slice_message, settings_message):
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super().__init__()
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self._scene = Application.getInstance().getController().getScene()
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self._slice_message = slice_message
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self._settings_message = settings_message
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self._is_cancelled = False
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def getSettingsMessage(self):
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return self._settings_message
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def getSliceMessage(self):
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return self._slice_message
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## Runs the job that initiates the slicing.
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def run(self):
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stack = Application.getInstance().getGlobalContainerStack()
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if not stack:
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self.setResult(StartJobResult.Error)
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return
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# Don't slice if there is a setting with an error value.
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for key in stack.getAllKeys():
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validation_state = stack.getProperty(key, "validationState")
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if validation_state in (ValidatorState.Exception, ValidatorState.MaximumError, ValidatorState.MinimumError):
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Logger.log("w", "Setting %s is not valid, but %s. Aborting slicing.", key, validation_state)
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self.setResult(StartJobResult.SettingError)
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return
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Job.yieldThread()
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# Don't slice if there is a per object setting with an error value.
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for node in DepthFirstIterator(self._scene.getRoot()):
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if type(node) is not SceneNode or not node.isSelectable():
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continue
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node_stack = node.callDecoration("getStack")
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if node_stack:
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for key in node_stack.getAllKeys():
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validation_state = node_stack.getProperty(key, "validationState")
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if validation_state in (ValidatorState.Exception, ValidatorState.MaximumError, ValidatorState.MinimumError):
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Logger.log("w", "Per object setting %s is not valid, but %s. Aborting slicing.", key, validation_state)
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self.setResult(StartJobResult.SettingError)
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return
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Job.yieldThread()
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with self._scene.getSceneLock():
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# Remove old layer data.
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for node in DepthFirstIterator(self._scene.getRoot()):
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if node.callDecoration("getLayerData"):
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node.getParent().removeChild(node)
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break
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# Get the objects in their groups to print.
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object_groups = []
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if stack.getProperty("print_sequence", "value") == "one_at_a_time":
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for node in OneAtATimeIterator(self._scene.getRoot()):
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temp_list = []
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# Node can't be printed, so don't bother sending it.
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if getattr(node, "_outside_buildarea", False):
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continue
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children = node.getAllChildren()
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children.append(node)
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for child_node in children:
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if type(child_node) is SceneNode and child_node.getMeshData() and child_node.getMeshData().getVertices() is not None:
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temp_list.append(child_node)
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if temp_list:
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object_groups.append(temp_list)
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Job.yieldThread()
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if len(object_groups) == 0:
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Logger.log("w", "No objects suitable for one at a time found, or no correct order found")
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else:
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temp_list = []
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for node in DepthFirstIterator(self._scene.getRoot()):
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if type(node) is SceneNode and node.getMeshData() and node.getMeshData().getVertices() is not None:
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if not getattr(node, "_outside_buildarea", False):
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temp_list.append(node)
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Job.yieldThread()
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if temp_list:
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object_groups.append(temp_list)
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if not object_groups:
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self.setResult(StartJobResult.NothingToSlice)
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return
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self._buildGlobalSettingsMessage(stack)
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for group in object_groups:
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group_message = self._slice_message.addRepeatedMessage("object_lists")
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if group[0].getParent().callDecoration("isGroup"):
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self._handlePerObjectSettings(group[0].getParent(), group_message)
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for object in group:
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mesh_data = object.getMeshData().getTransformed(object.getWorldTransformation())
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obj = group_message.addRepeatedMessage("objects")
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obj.id = id(object)
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verts = numpy.array(mesh_data.getVertices())
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# Convert from Y up axes to Z up axes. Equals a 90 degree rotation.
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verts[:, [1, 2]] = verts[:, [2, 1]]
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verts[:, 1] *= -1
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obj.vertices = verts
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self._handlePerObjectSettings(object, obj)
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Job.yieldThread()
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self.setResult(StartJobResult.Finished)
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def cancel(self):
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super().cancel()
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self._is_cancelled = True
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def isCancelled(self):
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return self._is_cancelled
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def _expandGcodeTokens(self, key, value, settings):
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try:
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# any setting can be used as a token
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fmt = GcodeStartEndFormatter()
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return str(fmt.format(value, **settings)).encode("utf-8")
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except:
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Logger.logException("w", "Unable to do token replacement on start/end gcode")
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return str(value).encode("utf-8")
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## Sends all global settings to the engine.
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#
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# The settings are taken from the global stack. This does not include any
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# per-extruder settings or per-object settings.
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def _buildGlobalSettingsMessage(self, stack):
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keys = stack.getAllKeys()
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settings = {}
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for key in keys:
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settings[key] = stack.getProperty(key, "value")
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start_gcode = settings["machine_start_gcode"]
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settings["material_bed_temp_prepend"] = "{material_bed_temperature}" not in start_gcode #Pre-compute material material_bed_temp_prepend and material_print_temp_prepend
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settings["material_print_temp_prepend"] = "{material_print_temperature}" not in start_gcode
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for key, value in settings.items(): #Add all submessages for each individual setting.
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setting_message = self._settings_message.addRepeatedMessage("settings")
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setting_message.name = key
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if key == "machine_start_gcode" or key == "machine_end_gcode": #If it's a g-code message, use special formatting.
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setting_message.value = self._expandGcodeTokens(key, value, settings)
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else:
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setting_message.value = str(value).encode("utf-8")
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def _handlePerObjectSettings(self, node, message):
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profile = node.callDecoration("getProfile")
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if profile:
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for key, value in profile.getAllSettingValues().items():
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setting = message.addRepeatedMessage("settings")
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setting.name = key
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setting.value = str(value).encode()
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Job.yieldThread()
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object_settings = node.callDecoration("getAllSettingValues")
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if not object_settings:
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return
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for key, value in object_settings.items():
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setting = message.addRepeatedMessage("settings")
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setting.name = key
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setting.value = str(value).encode()
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Job.yieldThread()
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