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Code Issues Projects Releases Packages Wiki Activity Actions 8

CURA-4269 use z offset decorator to keep project file positions below bed

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This commit is contained in:
ChrisTerBeke 2017-09-18 17:24:00 +02:00
parent b386bda2c8
commit e18b24add2
1 changed files with 16 additions and 2 deletions
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18
plugins/3MFReader/ThreeMFReader.py
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@ -12,6 +12,7 @@ from UM.Mesh.MeshBuilder import MeshBuilder
from UM.Mesh.MeshReader import MeshReader from UM.Mesh.MeshReader import MeshReader
from UM.Scene.GroupDecorator import GroupDecorator from UM.Scene.GroupDecorator import GroupDecorator
from cura.Settings.SettingOverrideDecorator import SettingOverrideDecorator from cura.Settings.SettingOverrideDecorator import SettingOverrideDecorator
from cura.ZOffsetDecorator import ZOffsetDecorator
from UM.Application import Application from UM.Application import Application
from cura.Settings.ExtruderManager import ExtruderManager from cura.Settings.ExtruderManager import ExtruderManager
from cura.QualityManager import QualityManager from cura.QualityManager import QualityManager
@ -47,6 +48,8 @@ class ThreeMFReader(MeshReader):
if transformation == "": if transformation == "":
return Matrix() return Matrix()
Logger.log("d", "raw_transformation=%s", transformation)
splitted_transformation = transformation.split() splitted_transformation = transformation.split()
## Transformation is saved as: ## Transformation is saved as:
## M00 M01 M02 0.0 ## M00 M01 M02 0.0
@ -104,8 +107,8 @@ class ThreeMFReader(MeshReader):
# Add the setting override decorator, so we can add settings to this node. # Add the setting override decorator, so we can add settings to this node.
if settings: if settings:
um_node.addDecorator(SettingOverrideDecorator()) um_node.addDecorator(SettingOverrideDecorator())
global_container_stack = Application.getInstance().getGlobalContainerStack() global_container_stack = Application.getInstance().getGlobalContainerStack()
# Ensure the correct next container for the SettingOverride decorator is set. # Ensure the correct next container for the SettingOverride decorator is set.
if global_container_stack: if global_container_stack:
multi_extrusion = global_container_stack.getProperty("machine_extruder_count", "value") > 1 multi_extrusion = global_container_stack.getProperty("machine_extruder_count", "value") > 1
@ -143,12 +146,15 @@ class ThreeMFReader(MeshReader):
if len(um_node.getChildren()) > 0: if len(um_node.getChildren()) > 0:
group_decorator = GroupDecorator() group_decorator = GroupDecorator()
um_node.addDecorator(group_decorator) um_node.addDecorator(group_decorator)
um_node.setSelectable(True) um_node.setSelectable(True)
if um_node.getMeshData(): if um_node.getMeshData():
# Assuming that all nodes with mesh data are printable objects # Assuming that all nodes with mesh data are printable objects
# affects (auto) slicing # affects (auto) slicing
sliceable_decorator = SliceableObjectDecorator() sliceable_decorator = SliceableObjectDecorator()
um_node.addDecorator(sliceable_decorator) um_node.addDecorator(sliceable_decorator)
return um_node return um_node
def read(self, file_name): def read(self, file_name):
@ -168,10 +174,18 @@ class ThreeMFReader(MeshReader):
transform_matrix = Matrix() transform_matrix = Matrix()
mesh_data = um_node.getMeshData() mesh_data = um_node.getMeshData()
if mesh_data is not None: if mesh_data is not None:
extents = mesh_data.getExtents() extents = mesh_data.getExtents()
center_vector = Vector(extents.center.x, extents.center.y, extents.center.z) center_vector = Vector(extents.center.x, extents.center.y, extents.center.z)
# If the object in a saved project is below the bed, keep it that way
if extents.minimum.z < 0.0:
um_node.addDecorator(ZOffsetDecorator())
um_node.callDecoration("setZOffset", extents.minimum.z)
transform_matrix.setByTranslation(center_vector) transform_matrix.setByTranslation(center_vector)
transform_matrix.multiply(um_node.getLocalTransformation()) transform_matrix.multiply(um_node.getLocalTransformation())
um_node.setTransformation(transform_matrix) um_node.setTransformation(transform_matrix)
@ -195,7 +209,7 @@ class ThreeMFReader(MeshReader):
translation_matrix.setByTranslation(translation_vector) translation_matrix.setByTranslation(translation_vector)
transformation_matrix.multiply(translation_matrix) transformation_matrix.multiply(translation_matrix)
# Third step: 3MF also defines a unit, wheras Cura always assumes mm. # Third step: 3MF also defines a unit, whereas Cura always assumes mm.
scale_matrix = Matrix() scale_matrix = Matrix()
scale_matrix.setByScaleVector(self._getScaleFromUnit(self._unit)) scale_matrix.setByScaleVector(self._getScaleFromUnit(self._unit))
transformation_matrix.multiply(scale_matrix) transformation_matrix.multiply(scale_matrix)