60 lines
1.7 KiB
Plaintext
60 lines
1.7 KiB
Plaintext
# flake8: noqa
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import os
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def delete_nonresult(bpy):
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# different versions of blender sometimes return the wrong mesh
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objects = bpy.context.scene.objects
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if len(objects) <= 1:
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return
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try:
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# earlier than blender <2.8
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objects[-1].select = False
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for other in objects[:-1]:
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other.select = True
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bpy.ops.object.delete()
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objects[-1].select = True
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except AttributeError:
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# blender 2.8 changed this
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ob = objects[-1]
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ob.select_set(False)
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for other in objects[:-1]:
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other.select_set(True)
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bpy.ops.object.delete()
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objects[0].select_set(True)
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if __name__ == "__main__":
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import bpy
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# clear scene of default box
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bpy.ops.wm.read_homefile()
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try:
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bpy.ops.object.mode_set(mode='OBJECT')
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except BaseException:
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pass
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bpy.ops.object.select_all(action='SELECT')
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bpy.ops.object.delete(use_global=True)
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# get temporary files from templated locations
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mesh_pre = $MESH_PRE
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mesh_post = os.path.abspath(r'$MESH_POST')
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# When you add objects to blender, other elements are pushed back
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# by going last to first on filenames we can preserve the index
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for filename in mesh_pre[::-1]:
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bpy.ops.import_mesh.stl(filepath=os.path.abspath(filename))
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mesh = bpy.context.scene.objects[0]
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for other in bpy.context.scene.objects[1:]:
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# add boolean modifier
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mod = mesh.modifiers.new('boolean', 'BOOLEAN')
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mod.object = other
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mod.operation = '$OPERATION'
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bpy.ops.object.modifier_apply(modifier='boolean')
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delete_nonresult(bpy)
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bpy.ops.export_mesh.stl(
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filepath=mesh_post,
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use_mesh_modifiers=True)
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