ok i took Ole Tobiesen ford pick-up ( on Acknex site) windshield was a seperate model from the pick-up



I merged the 2 models togeather, gave the mdoel a second skin and grouped and UV mapped the windshield triangles to the second skin. then appleid a 30% transparent green image for that second skin ( original skin of the model was untouched)

now its all in one model vs needing to script attach transparent parts to opaque parts.

a full opaque image with 100% transparent parts in the same image seems to work fine. engine just doesn't like the full opaque and semi-transparent in the same image.

Woo hoo! That did the trick; thanks, guys.

I merged the 2 models togeather, gave the mdoel a second skin and grouped and UV mapped the windshield triangles to the second skin. then appleid a 30% transparent green image for that second skin ( original skin of the model was untouched)

Man, I didn't even know you could do that. Chalk that up under "great secrets of 3DGS uncovered."

it wasnt possible untill the latest changes to MED with grouping and able to appling differnt materials/textures to each group