ingo <ing### [at] tagpovrayorg> wrote:
> I don't remeber having seen this mentioned before. Non-linear ray tracing 
> with POV-Ray, see the end of the page.

  Unless you can apply the non-linear transformation on a per-object
basis (so that its shadow and its reflection/refraction on other objects
etc are also transformed correctly), the effect is rather useless
(except for making some abstract art).

  Also, I would like to know whether the rays used to render those images
were really curved or if they were just straight rays transformed on
a non-linear basis (similar to what eg. the normal{} block in a camera
statement would do).

-- 
#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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