[vtkusers] about vtkImageMask

[tuo zhang]

I don't know whether you guys have used a software
named "Mimics". You can have masks(by thresholding,
region growing or some else) with a little memory, and
the original volume memory size is greatly reduced
too. I'm just curious how could it do them.
Transfering the 2Bytes Dicom data to 1Bytes couldn't
do such a lot of memory reduction.
> 
> If memory is a concern, take a look at the
> documentation for
> vtkImageToImageStencil and the
> vtkImageStencilFilter.  I added
> a special kind of data set to VTK called
> "vtkImageStencilData"
> a while back, the "StencilData" is a run-length
> compressed binary
> image mask. Unfortunately it isn't very well
> supported yet, but you
> can shoot me an email if you have questions about
> it.
> 
>  David
> 


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