-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Robicd schrieb: > 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.
There are may ways in OpenGL that transparency can work. You could try to make a texture that is just black and yellow with no transparency. Then give that texture an emmisive (sp?) colour (for the beginning try white 1.0/1.0/1.0). The black should stay black and the yellow should be quite bright. CU, Christian -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (MingW32) iD8DBQFENmQmlhWtxOxWNFcRAgXsAJkB9I1mxwSJw+4V53wqr156JEE0iwCfRfFM UhWNCoBddNRg4aurQfj+4eE= =mQyS -----END PGP SIGNATURE----- ------------------------------------------------------- This SF.Net email is sponsored by xPML, a groundbreaking scripting language that extends applications into web and mobile media. Attend the live webcast and join the prime developer group breaking into this new coding territory! http://sel.as-us.falkag.net/sel?cmd=lnk&kid=110944&bid=241720&dat=121642 _______________________________________________ Flightgear-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/flightgear-users
