heimlich1024/OD_CopyPasteExternal

Question about UV in the doc sample

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I'm working on the plugin for Wings3D and I`m using the sample file provided to build and test it. So, I have a question?

How to translate those mapped edges for polygons 1 and 4 in discontinuous UVs, if they are listed in the continuous UVs?
Is there any of other 3D app that uses it that way?

I can ignore that for import, but I believe it may need to be relevant to export.

UV:txuvmap:24
0.339743584394 0.339743584394:PLY:0:PNT:0
0.660256385803 0.339743584394:PLY:0:PNT:1
0.660256385803 0.660256385803:PLY:0:PNT:2
0.339743584394 0.660256385803:PLY:0:PNT:3
0.660256385803 0.326923072338:PLY:1:PNT:5
0.339743584394 0.326923072338:PLY:1:PNT:1

0.00641027092934 0.339743584394:PLY:3:PNT:3
0.00641027092934 0.660256385803:PLY:3:PNT:2
0.326923072338 0.660256385803:PLY:3:PNT:6
0.326923072338 0.339743584394:PLY:3:PNT:7
0.673076927662 0.00641025649384:PLY:4:PNT:0
0.993589758873 0.00641025649384:PLY:4:PNT:4

0.673076927662 0.339743584394:PLY:5:PNT:4
0.673076927662 0.660256385803:PLY:5:PNT:7
0.993589758873 0.660256385803:PLY:5:PNT:6
0.993589758873 0.339743584394:PLY:5:PNT:5

0.339743584394 0.00641025649384:PNT:0
0.660256385803 0.00641025649384:PNT:4
0.00641027092934 0.00641025649384:PNT:1
0.326923072338 0.00641025649384:PNT:5

0.326923072338 0.326923072338:PNT:6
0.00641027092934 0.326923072338:PNT:2
0.673076927662 0.326923072338:PNT:3
0.993589758873 0.326923072338:PNT:7

I supposed have to understood it now, although the imported square (from sample) becomes with each face unwrapped.