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removing matrix inverse because of false negatives

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This commit is contained in:
mclarsen 2018-12-18 15:49:41 -08:00
parent f3536e44f8
commit 8829004772
1 changed files with 1 additions and 3 deletions
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4
vtkm/rendering/raytracing/RayOperations.cxx
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@ -37,9 +37,7 @@ void RayOperations::MapCanvasToRays(Ray<vtkm::Float32>& rays,
vtkm::MatrixMultiply(camera.CreateProjectionMatrix(width, height), camera.CreateViewMatrix());
bool valid;
vtkm::Matrix<vtkm::Float32, 4, 4> inverse = vtkm::MatrixInverse(projview, valid);
if (!valid)
throw vtkm::cont::ErrorBadValue("Inverse Invalid");
(void)valid; // this can be a false negative for really tiny spatial domains.
vtkm::worklet::DispatcherMapField<detail::RayMapCanvas>(
detail::RayMapCanvas(inverse, width, height, camera.GetPosition()))
.Invoke(rays.PixelIdx, rays.MaxDistance, canvas.GetDepthBuffer());