result: bit-coded:
bit0 set (1): shape is a compound shape
bit1 set (2): shape is pure
bit2 set (4): shape is convex
pureType: the pure type of the shape. Undefined if the shape is a compound shape.
dimensions: table to 4 values giving information about the shape's dimensions:
dimensions[1]: X-size or diameter of the pure shape. Undefined if the shape is a compound shape or not pure.
dimensions[2]: Y-size of the pure shape. Undefined if the shape is a compound shape or not pure.
dimensions[3]: Z-size or height of the pure shape. Undefined if the shape is a compound shape or not pure.
dimensions[4]: Inside scaling. Undefined if the shape is a compound shape or not pure.
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