Hi,

I'm working with 3d scenes of plants. Each plant is composed of leaves and each
leaved is composed of triangles. The whole scene contains thousands of
triangles.

I'd like to add a texture from an image file on the leaves and I tried several
techniques but I'm not sure of the best way to do.
My constraint is that the image's projection on a given triangle must be in the
same plane of the triangle.
Using image_map, I have to rotate the texture in the triangle's plane: is there
a way to calculate rotation parameters from triangle's coordinates?

I there an easier way to do this?

Thanks for your help,
Benoit

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