OK, I'm getting a bit closer - the interior_texture was throwing me off, since
the 180 degree rotation was throwing me all off.

Here's the same diagram with the interior_texture commented out along the top
row to show the "see-through" [exterior]texture and give an easier to follow
look at the mapping.

This is indeed much closer to the expected uv-mapping, given the location of the
control points.

There's some switch-ups that occur when there are certain twists in the
X-vs-Y-first ordering, but that should be within grasp.

Post a reply to this message

Attachments:
Download '32 uv_mapping tests no interior.png' (3959 KB)

Preview of image '32 uv_mapping tests no interior.png'