[Paraview] gradient filter dumps core

[Server Levent Yilmaz]

On Wed, Apr 2, 2008 at 11:47 AM, Moreland, Kenneth <kmorel at sandia.gov>
wrote:

> Levent,
>
> I think I tracked down the problem.  It appears that the Gradient and
> Gradient Magnitude filters pay no attention to the Select Input Scalars
> parameter.  I'm dumfounded about why no one else has run into this problem.
>  I don't want to get into details about the issues, but you can read about
> them on the bug tracker.
>
>  http://www.paraview.org/Bug/view.php?id=6706
>
> Right now, the workarounds are kind of crummy.  Since the image gradient
> filters work on the active scalars, you can get around the problem by
> setting some active scalars in your file.  For example, if you wanted to
> take the gradient of the RT array in iter0.vti, you could achieve this by
> changing the Scalars parameter of the PointData tag to be RT:
>
>  <PointData Scalars="RT">
>
> Unfortunately, that means you need to change the file every time you want
> to change the variable you want to perform the gradient on.  You could also
> create a separate file for each variable, but I don't know if that is more
> cumbersome for you.


Thanks for tracking this down Ken. It is cumbersome as you said but this
method works(around).

Levent


-- 
Server Levent Yilmaz
Mechanical Engineering
University of Pittsburgh
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