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Decals on a window

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kdryan

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us-indiana
Is there a way to place a material on a transparent texture? I want to place a decal on a window. Can you do that with a multi-material or a composite material?

Thanks,
Kevin
 
kdryan said:
Is there a way to place a material on a transparent texture? I want to place a decal on a window. Can you do that with a multi-material or a composite material?

Thanks,
Kevin
Click to expand...
Hi Kevin,
don´t know if I really understand your question but probably the best way is using the alpha-channel of the texture to place an object on the window.
For more informations take a look at the wiki.

Jörg
 
Clone the polies of the window where the decal is going to sit, move them away from the window 1 or 2mm and UVW map your decal texture on it (make sure everything around it is transparent (alpha channel!)).
 
Heretic said:
Clone the polys of the window where the decal is going to sit, move them away from the window 1 or 2mm and UVW map your decal texture on it (make sure everything around it is transparent (alpha channel!)).
Click to expand...

Thanks Bjorn. I wasn't sure that would work on a transparent texture. I thought maybe it would be visible from the other side...
 
I have done it before, but its tricky. You are better off doing a seperate hovering polygon object for the decal. FS9 is easier for that, but still you have to have a black Alpha and in the decal zone, have a white Alpha background to make that area Opaque. With FSX, you need to make the area transparent (the entire thing) and then reduce settings to opacity, then figure out which setting allows for Alpha to work transparency (if thats possible). For hovering hardware with a black surround, I have to use .99 transparency to get the black zone to disappear, using also a white Alpha background on the object graphics zone.

Tricky...



Bill
 
I think I'll just hold off on this then until I get a little more experience under my belt... :)
 
Last edited:
What about this? Make a plane, put the decal on the plane, take a spline and trace the shape of the decal, convert it to an editable poly or mesh, then map the decal to it. Then you end up with something to mount the decal on that is exactly the same shape and you can hover it just above the window, plus it's only one poly. 31 faces, but only 1 poly.... :)
 

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When exported, that "one poly" will be retriangulated into 31 polys anyway... :D
 
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