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[diderot] Diff of /branches/pure-cfg/test/vr-lite-cam.diderot
[diderot] / branches / pure-cfg / test / vr-lite-cam.diderot  
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Diff of /branches/pure-cfg/test/vr-lite-cam.diderot

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revision 703, Tue Mar 29 17:41:24 2011 UTC revision 704, Tue Mar 29 17:46:40 2011 UTC
# Line 55  Line 55 
55  // would make this transform to world-space less awkward; would be  // would make this transform to world-space less awkward; would be
56  // lightVspDir[0]*camU + lightVspDir[1]*camV + lightVspDir[2]*camN  // lightVspDir[0]*camU + lightVspDir[1]*camV + lightVspDir[2]*camN
57  // OR, we could create and apply a view-to-world matrix transform  // OR, we could create and apply a view-to-world matrix transform
58    //vec3 tmp2 = lightVspDir[0]*camU + lightVspDir[1]*camV + lightVspDir[2]*camN;
59  vec3 tmp2 = (  dot(lightVspDir,[1.0,0.0,0.0])*camU  vec3 tmp2 = (  dot(lightVspDir,[1.0,0.0,0.0])*camU
60               + dot(lightVspDir,[0.0,1.0,0.0])*camV               + dot(lightVspDir,[0.0,1.0,0.0])*camV
61               + dot(lightVspDir,[0.0,0.0,1.0])*camN);               + dot(lightVspDir,[0.0,0.0,1.0])*camN);
# Line 66  Line 67 
67  real phongSp = 30.0;  real phongSp = 30.0;
68    
69  image(3)[] img = load (dataFile);  image(3)[] img = load (dataFile);
70    //field#4(3)[] F = img ⊛ bspln5;
71  //field#2(3)[] F = img ⊛ bspln3;  //field#2(3)[] F = img ⊛ bspln3;
72  field#2(3)[] F = img ⊛ bspln3;  field#1(3)[] F = img ⊛ ctmr;
 // HEY (BUG): ctmr Catmull-Rom is C1 but not C2 continuous  
 //field#2(3)[] F = img ⊛ ctmr;  
73  //field#0(3)[] F = img ⊛ tent;  //field#0(3)[] F = img ⊛ tent;
74    
75  strand RayCast (int ui, int vi)  strand RayCast (int ui, int vi)
# Line 93  Line 93 
93            // ########## BEGIN per-sample code            // ########## BEGIN per-sample code
94            real val = F@rayPos;            real val = F@rayPos;
95            vec3 grad = ∇F@rayPos;            vec3 grad = ∇F@rayPos;
96            vec3 norm = -grad/|grad|;            vec3 norm = -∇F@rayPos/|∇F@rayPos|;
           // HEY (BUG) will get an "uncaught exception" if code is instead  
           // vec3 norm = -∇F@rayPos/|∇F@rayPos|;  
97            if (val > valOpacMin) {  // we have some opacity            if (val > valOpacMin) {  // we have some opacity
98                real opac =                real opac =
99                   1.0 if (val > valOpacMax)                   1.0 if (val > valOpacMax)
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