Christopher James Huff <cja### [at] earthlinknet> wrote:
> > I believe height fields trace considerably faster than their equivalent
> > meshes.

> Have you tried it? (I haven't...I'm really wondering if there's much of 
> a difference.)

  The tracing of a heightfield takes advantage of its geometry for
speed so in theory it should be faster than a generic mesh.
  Also heightfields use reference counting in the same way as meshes.

-- 
plane{-x+y,-1pigment{bozo color_map{[0rgb x][1rgb x+y]}turbulence 1}}
sphere{0,2pigment{rgbt 1}interior{media{emission 1density{spherical
density_map{[0rgb 0][.5rgb<1,.5>][1rgb 1]}turbulence.9}}}scale
<1,1,3>hollow}text{ttf"timrom""Warp".1,0translate<-1,-.1,2>}//  - Warp -

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