POV-Ray : Newsgroups : povray.general : Isosurfaces: normals and max gradient and height fields : Re: Isosurfaces: normals and max gradient and height fields Server Time
2 Aug 2024 14:15:33 EDT (-0400)
  Re: Isosurfaces: normals and max gradient and height fields  
From: Warp
Date: 4 Oct 2004 06:01:58
Message: <41611f96@news.povray.org>
Greg M. Johnson <gregj;-)565### [at] aolcom> wrote:
> i) The normals don't seem to look so nice as I might expect for say a plane
> or sphere.  I'm imagining that it might take more computing time to get the
> normal calcs right for an isosurface-- maybe the max_gradient recommendation
> allows one to avoid holes rather but not optimize the look and feel of the
> normal.

  'accuracy' is the keyword.

-- 
#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 -


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