shape_index for obj/ply shapes

[GCChen97]

Hi,

I try using AOV to output shape_index map and want to create masks for every shape according to the corresponding shape_index. But I couldn't find the relationship between the shapes and the shape indexes.

I found shape_index in shape serialized and wonder if this shape_index is the same one output by AOV. If so, adding a new property shape_index for obj/ply files would be convenient.

[Speierers]

This index corresponds to the shapes in the order they were instantiated when creating the scene. This doesn't have anything to do with the shape_index field in the serialized plugin.

[GCChen97]

Thanks for the comment. So it seems non-trivial to make AOV output the expected object label map.