Christian Mayer wrote:
At least the runway signs are yellow/black IIRC. And there only the
yellow part should be emit light. So could you try to make only the
material that contains the number/letter texture emissive?
That's a good idea but I tried that too, without success :-)
AFAIK the
yellow part should be clearly vissible and the black part should stay
black. This sould work with all colours IIRC.
Right, e.g. Runway Exit Signs have black letters on yellow background.
The background should emit yellow light. I tryed building a simple
square plane with a yellow emitting material. Then I applied a .rgb file
texture, made of a black letter on a transparent background; this .rgb
file provides a alpha channel which works with blender.
That's what I have: a square plane mesh with a basic yellow emitting
color material and a transparent file texture above.
I expected the result being I can see an opaque area of the file texture
(the black letter) and, under that, a yellow emitting background. Well,
real result is different: I can see the black letter but the remaining
part of the square is transparent. It looks like the alpha layer of the
Black letter .rgb file affects the basic yellow color of the basic
material. So I don't see the yellow part.
Any other idea? I admit I am not that confident with Blender so maybe I
am missing some detail.
Roberto
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