Thorsten Froehlich <tho### [at] trfde> wrote:
: Ups, "red" of course.  What else should be used as the height of a color
: image?  Any method to get a grayscale value out of an RGB image is
: different.  How many and which one should be supported?

  AFAIK 24-bit images are converted to grayscale when using them to create
a heightfield. I don't see any reason why 48-bit images should be handled
any different.

-- 
#macro N(D,I)#if(I<6)cylinder{M()#local D[I]=div(D[I],104);M().5,2pigment{
rgb M()}}N(D,(D[I]>99?I:I+1))#end#end#macro M()<mod(D[I],13)-6,mod(div(D[I
],13),8)-3,10>#end blob{N(array[6]{11117333955,
7382340,3358,3900569407,970,4254934330},0)}//                     - Warp -

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