POV-Ray : Newsgroups : povray.general : Layered Texture problem Server Time
19 Nov 2024 15:38:26 EST (-0500)
  Layered Texture problem (Message 1 to 3 of 3)  
From: Sebastian H 
Subject: Layered Texture problem
Date: 27 Jan 2002 17:15:55
Message: <3C547C71.8030002@web.de>
Hi there...

Im currently working on a model converter for Q3A .md3 models but I 
found a problem(?) with layered textures.

I got the following:

#declare tex =
texture {
   pigment {Cyan}
   finish {specular 1 reflection .25}
}
texture {
   pigment {
     image_map {
       tga ....
     }
   }
   finish {
     ambient .15
     diffuse .9
   }
}

The tga file has transparency info so there are cyan spots which should 
reflect a bit. The thing is that the whole texture reflects, even the 
parts of the image map (same with the specular). - using linux.beta10

Is this something I missed in the docs or is something wrong with Pov.

Sebastian H.


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From: Peter Popov
Subject: Re: Layered Texture problem
Date: 27 Jan 2002 18:08:07
Message: <et195useue0rjqadhamam7ao83gfpbjtp4@4ax.com>
On Sun, 27 Jan 2002 23:17:21 +0100, "Sebastian H." <seb### [at] webde>
wrote:

>The tga file has transparency info so there are cyan spots which should 
>reflect a bit. The thing is that the whole texture reflects, even the 
>parts of the image map (same with the specular). - using linux.beta10

This is expectable. Use a patterned texture instead of layered
texture.


Peter Popov ICQ : 15002700
Personal e-mail : pet### [at] vipbg
TAG      e-mail : pet### [at] tagpovrayorg


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From: Sebastian H 
Subject: Re: Layered Texture problem
Date: 28 Jan 2002 09:51:12
Message: <3C5565B8.2010404@web.de>
Peter Popov wrote:

> On Sun, 27 Jan 2002 23:17:21 +0100, "Sebastian H." <seb### [at] webde>
> wrote:
> 
> 
>>The tga file has transparency info so there are cyan spots which should 
>>reflect a bit. The thing is that the whole texture reflects, even the 
>>parts of the image map (same with the specular). - using linux.beta10
>>
> 
> This is expectable. Use a patterned texture instead of layered
> texture.
> 
> 
> Peter Popov ICQ : 15002700
> Personal e-mail : pet### [at] vipbg
> TAG      e-mail : pet### [at] tagpovrayorg
> 

This is what I wanted to avoid, is there no other way?

The tga file has a alpha channel that i would have to convert to a png 
file for use with a material_map but this is like digging a hole with a 
brush (poor brush)...


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