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Fix for CURA-4111

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When centering a scene node, TranslateOperation is used in lieu of SetTransformOperation, to avoid combinations of mirror operations behaving like rotation operations. Instead, any given node is simply translated to 0,0,0.
This commit is contained in:
Ian 2018-01-03 15:13:56 +01:00
parent 7eb507484b
commit e0c2a9e4c7
1 changed files with 6 additions and 1 deletions
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7
cura/CuraActions.py
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@ -13,6 +13,7 @@ from UM.Scene.Iterator.BreadthFirstIterator import BreadthFirstIterator
from UM.Operations.GroupedOperation import GroupedOperation
from UM.Operations.RemoveSceneNodeOperation import RemoveSceneNodeOperation
from UM.Operations.SetTransformOperation import SetTransformOperation
from UM.Operations.TranslateOperation import TranslateOperation
from cura.SetParentOperation import SetParentOperation
from cura.MultiplyObjectsJob import MultiplyObjectsJob
@ -54,7 +55,11 @@ class CuraActions(QObject):
while current_node.getParent() and current_node.getParent().callDecoration("isGroup"):
current_node = current_node.getParent()
center_operation = SetTransformOperation(current_node, Vector())
# This was formerly done with SetTransformOperation but because of
# unpredictable matrix deconstruction it was possible that mirrors
# could manifest as rotations. Centering is therefore done by
# moving the node to negative whatever its position is:
center_operation = TranslateOperation(current_node, -current_node._position)
operation.addOperation(center_operation)
operation.push()