[vtkusers] Help! vtkGeometryFilter destroying my data set!

[Jeff Lee]

Why not vtkThreshold?  I don't think vtkGeometryFilter is the right tool 
- it just extracts the boundary faces.
-J

Joey Mukherjee wrote:

> Normally I use vtkGeometryFilter to limit the ranges of my data set, 
> and normally it looks fine.  Lately, I've had a problem doing so.
>
> If my dataset goes from, say -4.94e06 to 4.94e06 and I want to just 
> look at the values between -18000 and 18000, the vtkGeometryFilter is 
> the way to do it, right?
>
> If that is the case, does anyone have any theories as to why the 
> vtkGeometryFilter would not be able to successfully make this kind of 
> a cut?
>
> Here is the picture of the output:
>
> http://cluster.space.swri.edu/~joey/150ave.GIF - Full Dataset
> http://cluster.space.swri.edu/~joey/150ave-bad.GIF  -  
> vtkGeometryFilter'ed version
>
> The color values are very small which is why there is all the NaN's on 
> the side.  I am trying to zoom in on that red dot.
>
> Joey
>
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