Poly Map
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This subgroup contains Polygon texturing tools.
Adjust Polygon Map
This button will allow you to adjust your old Per-Polygon Maps, or to treat new UV Maps as if they were Poly Maps, and adjust them.
How do I use this tool?
Select the polygons that use the Poly Map, and click on the command to open a dialog, which lets you adjust them in several ways. It will also let you treat normal UV Maps as if they were Poly Maps, although it’s better to use the newer tools. To do that, select the polygons, and enter the map’s name in the Vertex Map field. (If you are editing real Poly Maps, leave that field blank.) This tool will not work on unselected polys.
Reverse Order and Shift Order adjust the connection between texture points and the polygon’s vertices. Checking Transform Texture will enable the Rotation Angle, Scale U and Scale V fields.
They all allow you to perform 2D transformations of the UV coordinates. The power of these operations is limited in comparison to the tools available for editing VMaps.
If you want to use those tools on your Poly Maps, simply use the Unweld command (Detail > Points > **Unweld **). This will put points on all the polys, and remove Per-polygon UV Mapping. At that point, you can use all the Modify tools, as you normally would. If your models are simple enough, you can Unweld selected points; if not, you can effectively unweld the entire model. Just be sure not to move anything in X,Y,Z space, and the Merge command ( M) will put it all back together again when you’re finished mapping.
Clear Polygon Map
This button will clear the per-polygon UVs from their polygons. Just select them, and click. All the textures will simply vanish.
On the other hand, if you want to translate the old mapping into the new discontinuous UV Maps, then you’ll want to use the Poly Map to UVs button (Map > Texture > Poly Map to UVs), and do that instead.
How is this tool used?
Just select the polygons you wish to clear, and click. No more maps.
Lock UVs to Polygon
This button is used to assign the old per-polygon maps to the polygons. Unless you intend to use the older style maps, you really don’t need to use this.
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Contributed by Richard Feeney