[vtkusers] Help needed using segmented data

[Mathieu Malaterre]

Vidya,

	When you do the SetValue in vtkContourFilter, be sure that it is within 
the correct range (use GetScalarRange to find it).

HTH
Mathieu

Vidya Raghavan wrote:
> Dear VTK users,
> 
> I had posted this question earlier, but didn't get any response yet. So, 
> I'm reposting it. Hope someone can help me.
> 
> Basically, I am trying to model segmented data in VTK, based on the 
> tutorial provided in:
> 
> http://www.crd.ge.com/~lorensen/seg12/, where the input data is 
> described as "a set of slices that have the same resolution as the 
> original data, but grayscale values have been replaced with integer 
> segmentation labels.".
> 
> There were some errors in the scripts as they used an older verison of 
> VTK. I now have these scripts working for VTK 4.2 and there are at 
> http://www.cs.northwestern.edu/~vidya/VTK/scripts
> 
> Now I am trying to use my own segmented data with the above scripts, 
> where they represent 256 X 256 segmented data, with each pixel 
> represented by an integer.
> 
> The segmented data I have used is at: 
> http://www.cs.northwestern.edu/~vidya/VTK/data
> 
> The script I have written to describe these parameters is region1.tcl
> 
> When I run region1.tcl I should get a vtk file region1.vtk. Instead it 
> is empty and no polygons are generated. I am really trying to understand 
> what is wrong, but since I'm new to VTK I still cannot figure it out.
> 
> Could someone please help?
> 
> Thanks.
> 
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