Doppelganger <ped### [at] netcabopt> wrote:
> thanks for the transform explanation, warp. I've spent 3 years studying
> advanced maths, so the actual transformation matrix issue isn't a problem.
> just the trick on the inverse. quite smart! :)

  Then it should be quite clear why some transformations are prohibited
(eg. scaling by 0): It's not possible to calculate the inverse of a matrix
with every possible value of the transformation matrix.

-- 
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 -

Post a reply to this message