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26 lines
848 B
Python
26 lines
848 B
Python
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import bpy
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import bmesh
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import pprint
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material_volumes = {}
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for obj in bpy.context.selected_objects:
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if not obj.data or not isinstance(obj.data, bpy.types.Mesh):
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continue
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material_polygons = {}
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for polygon in obj.data.polygons:
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material_polygons.setdefault(polygon.material_index, []).append(polygon.vertices)
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verts = [v.co for v in obj.data.vertices]
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for index, polygons in material_polygons.items():
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mesh = bpy.data.meshes.new("Temporary Mesh")
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mesh.from_pydata(verts, [], polygons)
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bm = bmesh.new()
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bm.from_mesh(mesh)
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material_name = obj.data.materials[index].name
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material_volumes.setdefault(material_name, 0)
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material_volumes[material_name] += bm.calc_volume()
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bm.free()
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bpy.data.meshes.remove(mesh)
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pprint.pprint(material_volumes)
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