Good news
- I finally realized that the panel lightning uses the _illumination map and not the light map. I added something else than pure black in my illumination map and I have now all my instruments back-lit and I can dim them.
and not so good
- Still impossible to seethe lcd and the moving map. I suspect AC3D to tgi exporter is the culprit. It look like the display_source_light is not read by the model.
Here is how I have setup the material in AC3D
I cannot compare with 3DS max. Is there anyone who could tell me if the material is correctly setup? I'm not sure about the light map and the self_illumination map.