POV-Ray : Newsgroups : povray.general : 3D image map? : Re: 3D image map? Server Time
8 Aug 2024 04:08:28 EDT (-0400)
  Re: 3D image map?  
From: Christoph Hormann
Date: 8 Mar 2001 03:16:02
Message: <3AA73FC3.257B4C03@gmx.de>
Pabs wrote:
> 
> POV's procedural textures are 3D.
> But image_maps are 2D.
> Is there any way to use multiple tga/etc images to create texture
> volumes?
> ie like df3 for media but with
> 1. Multiple images instead of 1 volumetric file
> 2. RGB[A] instead of greyscale
> 3. Used for textures instead of media.
> Is there some way or do I have to write a patch or wait for POV4.0?
> 
> oooh-ooh and let us use it as a colour-map type thingi for media


Why not use a gradient z pigment with a pigment_map like:

pigment {
  gradient z
  pigment_map {
    [0.0 image_map ... ]
    [0.1 image_map ... ]
    [0.2 image_map ... ]
    ...
  }
}

Christoph

-- 
Christoph Hormann <chr### [at] gmxde>
IsoWood include, radiosity tutorial, TransSkin and other 
things on: http://www.schunter.etc.tu-bs.de/~chris/


Post a reply to this message

Copyright 2003-2023 Persistence of Vision Raytracer Pty. Ltd.