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View of /trunk/rtest/convo2d1/convo2d1.diderot

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Revision 1168 - (download) (annotate)
Tue May 10 13:36:31 2011 UTC (8 years, 2 months ago) by glk
File size: 547 byte(s)
beginnings of some regression test stuff

int outSize = 200;

field#1(2)[] F = ctmr ⊛ load("../data/ddro-115.nrrd");

strand sample (int ui, int vi) {
   real uu = lerp(0.0, 1.0, -0.5, real(ui), real(outSize)-0.5);
   real vv = lerp(0.0, 1.0, -0.5, real(vi), real(outSize)-0.5);
   vec2 pos = [uu, vv];
   output vec3 out = [nan,nan,nan];

   update {
      vec2 grad = ∇F(pos) if (inside(pos,F)) 
                          else [2000.0,0.0];
      out = [grad[0], grad[1], |grad|];
      stabilize;
   }
}

initially [ sample(ui, vi) | vi in 0..(outSize-1), ui in 0..(outSize-1) ];

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