[Paraview] Multiple grid zones in vtk file formats for ParaView

[Renato N. Elias]

After reading your message a second time I noticed that you'd like to 
save the body surface as a grid zone (part). Note that it's quite easy 
to extract the body surface using ParaView. You just need to use the 
extract surface and clip filters. In this way you can avoid the work to 
filter this data in your own application.

Hope it helps you

Renato.

Scott Martinelli wrote:
> Hello All,
>
> I am in the process of writing my CFD output to a VTK file format, 
> either the legacy or the unstructured XML format for use in ParaView. 
> I would like to be able to select different zones of my grid (body 
> surface versus flow volume) for the display of my output variables.
>
> Is there a way to specify grid zones in these file formats?
>
> I would prefer not to create two separate output files to be read in 
> independently.
> Thanks for the input,
>
> Scott
>
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