Hi, I have two datasets with the same geometry. The first one holds the data I want to display. The second one contains the individual opacity for each voxel. For the planar view in the QmitkStdMultiWidget everything is fine. With the help of an itk::Image with RGBA-pixeltype I can set the opacity values for each voxel individually. The cast to an mitk::Image works. What I now want to do is a volume rendering with the same RGBA values. But if I try
mitk::TransferFunction::Pointer tf = mitk::TransferFunction::New(); tf->InitializeByMitkImage(mitkImage); where mitkImage is the image casted from the itk::Image with RGBA values, it occurs a problem in mitk::HistogramGenerator::ComputeHistogram() at the line AccessByItk_2( timeSelector->GetOutput() , InternalCompute, this, m_Histogram); Somewhere in there it sticks in some process and the program is not responding anymore. Maybe my approach is totally wrong but so far I didn't see any other chance to set the opacity voxelwise as the value of the data voxel doesn't correspond to the opacity value. Can anyone help me, please? Regards, Claudia
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