[vtkusers] ask for help,volume rendering!!!!

[liuzhiqiang_cnu]

hello:
   Now i am working on volume rending and i have a .RAW file(256*256*256).The class that is used by me is vtkImageData and vtkVolumeRayCastMapper.I see that the data are structeres points.how to render the volume with the colors read from .RAW at every position and how to understand the vtkColorTransferFunction::AddRGBPoint(),I am very eager to get your helps!!
   thanks,thanks!!

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