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View of /branches/vis15/src/tests/rtest/tests/convo3d0/convo3d0.diderot

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Revision 4497 - (download) (annotate)
Sat Sep 3 14:12:36 2016 UTC (2 years, 10 months ago) by jhr
File size: 808 byte(s)
  working on merge: updating tests with new version 2 syntax
#version 2.0
/*! \file convo3d0.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 = 50;

field#0(3)[] F = tent ⊛ load_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;
   }
}

create_array { sample(ui, vi, wi) | wi in 0..(outSize-1), vi in 0..(outSize-1), ui in 0..(outSize-1) }

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