Cannot generate ST coordinates - how to fix dogtags on unit model

[eggbeast 3673]

the dogtags on all our unit models in unsung have this error:

Cannot generate ST coordinates

 

could anyone possibly explain in simple steps how we can fix these in O2?

 

it would probably cut a lot of RPT spam in our mod, as every blufor unit has this issue

 

thanks!

 

 

[scars09 9]

check faces in o2, if i remember right the non linear mapping entries are the ones with the st error. if the faces have 4 points, triangulate, most of the time that allready does the job. if there is still a problem, hide everything that is ok, and open up uv mapping with the check faces result remaining unhidden. typically its bad mapping so you will see lines with 3 (or more) points in uv mapping wich actually are  face(s) mapped "sideways". either remap them manually or you can also try to use the undeform UV button in uv mapper. carefull, you need to break the selection before you use the undeform UV button otherwise it messes up the mapping of the stuff hidden before (wich was fine)

[x3kj 1247]

this message should in theory go away with binarization. Most of my unbinarized stuff has ST errors as well that all go away.

[ianbanks 30]

"Cannot generate ST coordinates" errors occur when your UV map has a triangles or quads with co-linear or coincident points in the UV or 3D (it might only be UV, but your model shouldn't have colinear/coincident points in either 3D or UV because if nothing else it's a waste of polygons that will never display).

Arma needs to be able to convert from any point on your UV map to a unique point on your 3D faces and vice versa. If all your UV points for a particular face are on the exact same point, or all 3-4 points fall on a straight line, then it's ambiguous which 3D coordinates correspond to the UV point.