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[diderot] View of /branches/vis15/src/tests/rtest/tests/convo2d0/convo2d0.diderot
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View of /branches/vis15/src/tests/rtest/tests/convo2d0/convo2d0.diderot

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Revision 4102 - (download) (annotate)
Wed Jun 29 22:03:51 2016 UTC (3 years, 3 months ago) by jhr
File size: 685 byte(s)
adding regression tests
/*! \file convo2d0.diderot
 *
 * \author Gordon Kindlmann
 */

/*
 * This code is part of the Diderot Project (http://diderot-language.cs.uchicago.edu)
 *
 * COPYRIGHT (c) 2015 The University of Chicago
 * All rights reserved.
 */

int outSize = 200;

field#0(2)[] F = tent ⊛ image("../../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 real out = -1.0;

   update {
      out = F(pos) if (inside(pos,F)) else -1.0;
      stabilize;
   }
}

grid(2) { sample(ui, vi) | vi in 0..(outSize-1), ui in 0..(outSize-1) }

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