Comming with additional notes from my old searchings into the issue:
illum has 3 allowed values:
0: only the kd value is considered, lighting disabled.
1: ka & kd, lighting on
2: ka, kd, ks, ns, lighting on
Textures are defined by:
map_k? <file_name>, where
a: ambient light textures
d: diffuse textures
s: specular textures
Additional textures can be specified with:
map_bump -bm <factor> <file_name>: defines a bump mapping file.
<file_name> is a b/w texture file with values representing height.
<factor> is the scale factor of the height values.
map_refl -type <type> <file_name>: defines a reflection map.
<type> the relection type, I only know about "sphere", but probably
some
others might be supported.
Hope that helps you,
Florin
-----Original Message-----
From: Discussion list for Java 3D API
[mailto:[EMAIL PROTECTED] Behalf Of Kevin Glass
Sent: Dienstag, 4. November 2003 08:43
To: [EMAIL PROTECTED]
Subject: Re: [JAVA3D] .mtl file format specification
OBJ FILE FORMAT:
http://www.wes.hpc.mil/faq/tips/vis_tips/obj.htm
MTL FILE FORMAT:
http://www.wes.hpc.mil/faq/tips/vis_tips/mtl.htm
Kev
> At the moment I'm developing a .obj file loader for J3D (which works
> better than the one from Sun). I already have a specification for the .obj
> file but not for the material definitions. So does anybody know where to
> get a specification for the .mtl file from?
>
> Michael
>
> --
> Virtual Worlds Productions
> Software Development Group
> http://www.virtualworlds.de
>
>
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