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Merge branch 'master' of github.com:Ultimaker/Cura

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This commit is contained in:
Jaime van Kessel 2016-11-22 13:13:57 +01:00
commit f3bb45da50
2 changed files with 54 additions and 8 deletions
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27
cura/CuraApplication.py
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@ -7,6 +7,7 @@ from UM.Scene.Camera import Camera
from UM.Math.Vector import Vector
from UM.Math.Quaternion import Quaternion
from UM.Math.AxisAlignedBox import AxisAlignedBox
from UM.Math.Matrix import Matrix
from UM.Resources import Resources
from UM.Scene.ToolHandle import ToolHandle
from UM.Scene.Iterator.DepthFirstIterator import DepthFirstIterator
@ -877,8 +878,18 @@ class CuraApplication(QtApplication):
Logger.log("d", "mergeSelected: Exception:", e)
return
# Compute the center of the objects when their origins are aligned.
object_centers = [node.getMeshData().getCenterPosition().scale(node.getScale()) for node in group_node.getAllChildren() if node.getMeshData()]
meshes = [node.getMeshData() for node in group_node.getAllChildren() if node.getMeshData()]
# Compute the center of the objects
object_centers = []
# Forget about the translation that the original objects have
zero_translation = Matrix(data=numpy.zeros(3))
for mesh, node in zip(meshes, group_node.getChildren()):
transformation = node.getLocalTransformation()
transformation.setTranslation(zero_translation)
transformed_mesh = mesh.getTransformed(transformation)
center = transformed_mesh.getCenterPosition()
object_centers.append(center)
if object_centers and len(object_centers) > 0:
middle_x = sum([v.x for v in object_centers]) / len(object_centers)
middle_y = sum([v.y for v in object_centers]) / len(object_centers)
@ -886,10 +897,16 @@ class CuraApplication(QtApplication):
offset = Vector(middle_x, middle_y, middle_z)
else:
offset = Vector(0, 0, 0)
# Move each node to the same position.
for center, node in zip(object_centers, group_node.getChildren()):
# Align the object and also apply the offset to center it inside the group.
node.setPosition(center - offset)
for mesh, node in zip(meshes, group_node.getChildren()):
transformation = node.getLocalTransformation()
transformation.setTranslation(zero_translation)
transformed_mesh = mesh.getTransformed(transformation)
# Align the object around its zero position
# and also apply the offset to center it inside the group.
node.setPosition(-transformed_mesh.getZeroPosition() - offset)
# Use the previously found center of the group bounding box as the new location of the group
group_node.setPosition(group_node.getBoundingBox().center)