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fixing compositing error

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This commit is contained in:
mclarsen 2018-09-25 09:59:59 -07:00
parent 8d0f441e1b
commit bc4d034f8f
1 changed files with 5 additions and 5 deletions
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10
vtkm/rendering/raytracing/ConnectivityTracer.hxx
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@ -775,11 +775,11 @@ public:
while (enterDistance <= currentDistance && currentDistance <= exitDistance)
{
//composite
sampleColor[3] *= (1.f - color[3]);
color[0] = color[0] + sampleColor[0] * sampleColor[3];
color[1] = color[1] + sampleColor[1] * sampleColor[3];
color[2] = color[2] + sampleColor[2] * sampleColor[3];
color[3] = sampleColor[3] + color[3];
vtkm::Float32 alpha = sampleColor[3] * (1.f - color[3]);
color[0] = color[0] + sampleColor[0] * alpha;
color[1] = color[1] + sampleColor[1] * alpha;
color[2] = color[2] + sampleColor[2] * alpha;
color[3] = alpha + color[3];
if (color[3] > 1.)
{