[vtkusers] howto: rectangular grid, circle

[David Doria]

On Mon, Feb 8, 2010 at 7:12 PM, Nico Schlömer <nico.schloemer at gmail.com>wrote:

> Hi,
>
> thanks for your quick answer.
>
> > Here is a brief summary of the data types available in VTK:
> > http://vtk.org/Wiki/VTK/Tutorials/3DDataTypes
>
> I don't really understand what's so *3D* about it (e.g., Image Data).
> Is there other 2D stuff, too?
>
> > and an unstructured grid:
> > http://vtk.org/Wiki/VTK/Examples/IO/WriteVTU
>
> Thanks a lot for the link to the examples page, that's really really
> helpful. I was able to play around with it and do this and that.
> Still, I'm missing a few things, e.g., tutorials for writing other
> data types (e.g., VTR files). I'm also not quite clear now on the
> options that I could use in conjunction with the writers. Is that
> something I'd have to discover by the doxygen documentation, or are
> there comprehensive example/option description resources?
>
> I was specifically asking myself if it's possible to include custom
> info into XML-style VT* files. I'm solving PDEs here, and I'd like to
> store the result of one run, and I thought it might be a good idea to
> store it in a format which I can actually *look* at, too, rather than
> just plain numbers in columns. I'd like to store additional info about
> the respective PDE, too, which for example in the old-style VTK files
> I always used the second row for (although space was rather limited
> there).
>
> Cheers,
> Nico
>
>
I believe what you're looking for is called "FieldData" in VTK lingo:

http://www.vtk.org/Wiki/VTK/Examples/FieldData

Thanks,

David
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