[Paraview] integration of a variable

[Charles Law]

There is an "Integrate attribute" filter that will do this, but it did not 
make it into the 1.8 release.  It is accessible in the 1.9 (nightly/CVS) 
version.
I also wrote filters to compute the cell face velocity, and a filter that 
uses the above two filters to compute surface flow.  I had not thought 
about density.  You would have to use the array calculator to include that 
into the calculation.

If you try these filters, give us some feedback so we know how they work.

Charles.



At 09:54 AM 12/15/2004 +0100, Berend van Wachem wrote:
>Hi,
>
>I would like to integrate a variable over a surface; is this possible 
>in  paraview, and so, how do I do this?
>
>An example of this is, when I have the variables velocity and density 
>defined, and I want to calculate the massflow going through a surface. I 
>need to calculate the cell face velocity times the cell face density times 
>the cell face area times the cell face normal and then sum these values 
>for all cell faces lying on a surface. Can this be done in Paraview?
>
>Thanks,
>
>Berend van Wachem.
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