[Paraview] best strategy for multi-block data?

[Andy Bauer]

It may be easiest just to link to the VTK libraries and create
vtkDataObjects and then use the vtkXMLMultiBlockDataWriter.

Andy

On Tue, Jul 26, 2011 at 11:21 AM, j s <j.s4403 at gmail.com> wrote:

> Thank you that worked.  Is there a document available for the
> multi-block format?  I remember when I implemented in this on the
> past, I relied exclusively on email correspondence in order to get my
> output writer correct.
>
> Thanks
>
>
>
>
> On Mon, Jul 25, 2011 at 1:15 PM, Andy Bauer <andy.bauer at kitware.com>
> wrote:
> > I think the best way to proceed would be to use the extract blocks filter
> to
> > extract all of the blocks that have the desired fields for your
> calculator.
> > You may want to group the unstructured grids with the same field data
> into a
> > vtkMultiPieceDataSet to make it easier to extract the blocks that you
> want.
> >
> > Andy
> >
> > On Mon, Jul 25, 2011 at 2:10 PM, j s <j.s4403 at gmail.com> wrote:
> >>
> >> Hi,
> >>
> >> I am currently using the multiblock dataset (vtm file) format to have
> >> multiple unstructured regions (vtu files).  Not all of the fields are
> >> available in all of the regions.  When I try to use a calculator to
> >> calculate a field, I am getting errors for fields which don't exist in
> >> each region.
> >>
> >> So when I try to calculate E = Electric_Field_x * iHat +
> >> Electric_Field_y *jHat, it complains about missing Acceptors.
> >>
> >> What is the best possible way to avoid these problems?  Is there a
> >> preferred file format?  The whole reason I selected the multiblock
> >> format, was so that I don't have to store all the fields on all
> >> regions.
> >>
> >> This is paraview 3.3. for Ubuntu Linux
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