[vtkusers] Dicom Image

[Amy Squillacote]

Hi Michele,

vtkStructuredPoints is an empty subclass of vtkImageData, and 
vtkDICOMImageReader produces vtkImageData. What is the data type of the 
scalars in your image? If it's something other than unsigned char, you 
could pass it through vtkImageShiftScale 
(http://www.vtk.org/doc/release/5.0/html/a01583.html) to convert from 
your data set's scalar type to unsigned char.

Also, you could use vtkFixedPointVolumeRayCastMapper instead of 
vtkVolumeRayCastMapper. Both can do MIP, but 
vtkFixedPointVolumeRayCastMapper operates on all scalar types.

- Amy

Michele Marco wrote:
> The problem is that the image mast be "unsigned char" and "Structured 
> point" because i need to realize MIP with volume RayCastMipFunction 
> and VolumeRayCastMapper. I try to use vtkDicomImageReder but the 
> result is bed !!! I need to convert dicom image (.dcm) to vtk scalar 
> image (raw) to use 3D Function .Thanks to help me !!!
> Michele Grimaldi (resercher for CNR Naples) 
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