[vtkusers] Convert to binary image

[Li, Wen]

Hi, are you willing to try to use ITK? they have good filters there (such as itkBinaryThresholdImageFilter). 
I usually don't process 3D images in VTK but I guess you still can.

Wen

On Apr 26, 2012, at 3:59 PM, bberkowi wrote:

> Hi, I'm trying to convert an image volume I have to binary values.  I would
> like all positive values to be 0 and all negative values to be 1.  
> 
> I've only worked with 3D poly data so far, and I don't have any experience
> with image volumes.  Does anyone have any experience with either
> pixel-by-pixel operations, or applying a logic condition over an entire
> image?
> 
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