> if you want to make heightfields to use them for landscapes then take a
look
> at
>
> http://www.world-machine.com/index2.html
 also try Terragen (its free)
http://www.planetside.co.uk/terragen/

--
light_source{0,1}#macro C(r,p)cylinder{x*-2,x*2,.9 pigment { rgb
p} /* B Gimeno estoeslarealidad */ rotate p*90 } #end difference
{box {-1,1} C(z /* http://usuarios.lycos.es/game2413 */,x)C(x,y)
C(z,z) pigment{rgb 2} rotate 45 translate z*4} // www.povray.org

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