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[diderot] View of /branches/vis12/rtest/tests/convo3d0/convo3d0.diderot
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View of /branches/vis12/rtest/tests/convo3d0/convo3d0.diderot

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Revision 1928 - (download) (annotate)
Sat Jun 23 18:09:34 2012 UTC (8 years, 3 months ago) by jhr
File size: 736 byte(s)
  converting to use "image" instead of "load" for image nrrd loading
/*! \file convo3d0.diderot
 *
 * \author Gordon Kindlmann
 */

/*
 * COPYRIGHT (c) 2012 The Diderot Project (http://diderot-language.cs.uchicago.edu)
 * All rights reserved.
 */

int outSize = 50;

field#0(3)[] F = tent ⊛ image("../../data/ring.nrrd");

strand sample (int ui, int vi, int wi) {
   real uu = lerp(-1.0, 1.0, -0.5, real(ui), real(outSize)-0.5);
   real vv = lerp(-1.0, 1.0, -0.5, real(vi), real(outSize)-0.5);
   real ww = lerp(-1.0, 1.0, -0.5, real(wi), real(outSize)-0.5);
   vec3 pos = [uu, vv, ww];
   output real out = -0.6; 

   update {
      out = F(pos) if (inside(pos,F)) else -0.6;
      stabilize;
   }
}

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

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