Home My Page Projects Code Snippets Project Openings diderot
Summary Activity Tracker Tasks SCM

SCM Repository

[diderot] View of /branches/vis15/src/tests/new-tests/zslice2-clamp.diderot
ViewVC logotype

View of /branches/vis15/src/tests/new-tests/zslice2-clamp.diderot

Parent Directory Parent Directory | Revision Log Revision Log


Revision 4497 - (download) (annotate)
Sat Sep 3 14:12:36 2016 UTC (2 years, 8 months ago) by jhr
File size: 840 byte(s)
  working on merge: updating tests with new version 2 syntax
#version 2.0

// zslice2
//
// a version of the zslice2 example with clamping the image
//
// process output with:
// unu reshape -i zslice2.txt -s 200 200 | unu 2op exists - 0.1 | unu quantize -b 8 -o zslice2.png

int dataSize = 11;
int imgSize = 200;
vec3 orig = [0.0, 0.0, 5.0];
vec3 cVec = [0.0, 1.0, 0.0];
vec3 rVec = [1.0, 0.0, 0.0];

image(3)[] img = clamp(load_image("data/zimg112.nrrd"));

field#2(3)[] F = img ⊛ bspln3;

strand RayCast (int row, int col)
{
    real rr = lerp(-0.5, real(dataSize)-0.5, -0.5, real(row), real(imgSize)-0.5);
    real cc = lerp(-0.5, real(dataSize)-0.5, -0.5, real(col), real(imgSize)-0.5);
    vec3 pos = orig + rr*rVec + cc*cVec;
    output real val = -∞;

    update {
        val = F(pos);
        stabilize;
    }
}

create_array { RayCast(r, c) | r in 0..(imgSize-1), c in 0..(imgSize-1) }

root@smlnj-gforge.cs.uchicago.edu
ViewVC Help
Powered by ViewVC 1.0.0