POV-Ray : Newsgroups : povray.unofficial.patches : finish_map and layered textures : Re: finish_map and layered textures Server Time
20 Jul 2024 13:00:23 EDT (-0400)
  Re: finish_map and layered textures  
From: Warp
Date: 30 Jan 2002 17:25:44
Message: <3c5872e8@news.povray.org>
Christopher James Huff <chr### [at] maccom> wrote:
: All the other maps (except slope_map, which is rather unusual) are 
: linearly interpolated.

  Are you sure that slope_map is not linearly interpolated?
  Linearly interpolating a _slope_ may get a result which doesn't _look like_
it was linearly interpolated (eg. in lighting), but that doesn't mean that
the slope is not interpolated linearly.
  (I think this is because interpolating a slope linearly causes an
interpolation in the apparent height of the surface which is not linear.)

-- 
#macro N(D)#if(D>99)cylinder{M()#local D=div(D,104);M().5,2pigment{rgb M()}}
N(D)#end#end#macro M()<mod(D,13)-6mod(div(D,13)8)-3,10>#end blob{
N(11117333955)N(4254934330)N(3900569407)N(7382340)N(3358)N(970)}//  - Warp -


Post a reply to this message

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