[vtkusers] How to display the points in a greyscale range in other colors for DICOM series via vtkImageViewers

[Liu_tj]

Hi,


At present I use vtkImageViewers to display a DICOM series. And the points falling in a greyscale range should be displayed in other color. How to achieve that? I read the example in http://www.vtk.org/Wiki/VTK/Examples/Cxx/Images/Transparency. In this example, another vtkImageActor is created for the mask image. For the DICOM series, I don't know what should be the input data for the vtkImageMapToColors? How to get the vtkImgeData of the current slice? 


I also read the example for vtkImageBlend. How ever I don't know how to generate the vtkImageBlend for the DICOM series.


Thanks for your VTK guys in advance.
Liu Peng

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