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Merge branch 'fix/3MFWriter' of https://github.com/nilsiism/Cura

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Jaime van Kessel 2024-08-05 13:25:55 +02:00
commit 4a5aecc1e4
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1 changed files with 9 additions and 7 deletions
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16
plugins/3MFWriter/ThreeMFWriter.py
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@ -114,22 +114,24 @@ class ThreeMFWriter(MeshWriter):
mesh_data = um_node.getMeshData() mesh_data = um_node.getMeshData()
node_matrix = um_node.getLocalTransformation()
node_matrix.preMultiply(transformation)
if center_mesh: if center_mesh:
node_matrix = Matrix() center_matrix = Matrix()
# compensate for original center position, if object(s) is/are not around its zero position # compensate for original center position, if object(s) is/are not around its zero position
if mesh_data is not None: if mesh_data is not None:
extents = mesh_data.getExtents() extents = mesh_data.getExtents()
if extents is not None: if extents is not None:
# We use a different coordinate space while writing, so flip Z and Y # We use a different coordinate space while writing, so flip Z and Y
center_vector = Vector(extents.center.x, extents.center.y, extents.center.z) center_vector = Vector(-extents.center.x, -extents.center.y, -extents.center.z)
node_matrix.setByTranslation(center_vector) center_matrix.setByTranslation(center_vector)
node_matrix.multiply(um_node.getLocalTransformation()) node_matrix.preMultiply(center_matrix)
else:
node_matrix = um_node.getLocalTransformation()
matrix_string = ThreeMFWriter._convertMatrixToString(node_matrix.preMultiply(transformation)) matrix_string = ThreeMFWriter._convertMatrixToString(node_matrix)
savitar_node.setTransformation(matrix_string) savitar_node.setTransformation(matrix_string)
if mesh_data is not None: if mesh_data is not None:
savitar_node.getMeshData().setVerticesFromBytes(mesh_data.getVerticesAsByteArray()) savitar_node.getMeshData().setVerticesFromBytes(mesh_data.getVerticesAsByteArray())
indices_array = mesh_data.getIndicesAsByteArray() indices_array = mesh_data.getIndicesAsByteArray()