[Paraview] Paraview support of FieldData in a vtkTable

[Cory Quammen]

Livia,

It seems reasonable that you should be able to save field data stored in a
vtkTable. Would you mind writing up a feature request at
http://www.paraview.org/Bug/view_all_bug_page.php?

Thanks,
Cory

On Wed, Mar 25, 2015 at 9:47 AM, <livia.barazzetti at istb.unibe.ch> wrote:

>  Hi,
>
> I was using the writer from the gui  in Paraview. I created a very simple
> programmable source (with output type vtkTable) with a column and a field
> data array, then clicked File-Save Data from the menu.
>
> In the case of a table, the writer window doesn’t allow to specify the
> association field, so only the row values are exported to the csv file.
>
> By the way, I see that if I apply a TableToPoints filter, the field array
> is copied to the polydata correctly (and can be exported from there), but I
> haven’t experimented with this solution further yet
>
> Thanks
>
> Livia
>
>
>
> *From:* Cory Quammen [mailto:cory.quammen at kitware.com]
> *Sent:* 24 March 2015 23:32
> *To:* Barazzetti, Livia (ISTB)
> *Cc:* ParaView
> *Subject:* Re: [Paraview] Paraview support of FieldData in a vtkTable
>
>
>
> Livia,
>
>
>
> Which writer are you using that doesn't save the field data?
>
>
>
> Thanks,
>
> Cory
>
>
>
> On Sun, Mar 15, 2015 at 5:30 AM, <livia.barazzetti at istb.unibe.ch> wrote:
>
> Hello,
>
> I am thinking to store some info as FieldData of a table (for example, the
> parameters used for the calculation of the data in the table - possibly
> they could also be changing depending on other elements of the pipeline). I
> tried a toy example in Python and it seems that vtkTable supports it (I am
> able to add an array and read it back). In Paraview 4.3.1, visualizing the
> field data from a python annotation works, but  if I open the spreadsheet
> view to see the field data I get
>
> Warning: In
> C:\DBD\pvs-x64\paraview\src\paraview\ParaViewCore\VTKExtensions\Rendering\vtkMarkSelectedRows.cxx,
> line 209
>
> vtkMarkSelectedRows (0000000010381890): FieldAssociation type not
> supported yet. Selected elements may not be shown correctly.
>
>
>
> , also the writer doen't export the field data.
>
> Should I go forward in using the FieldData of a table (just remembering
> that before exporting I should use a Python annotation or a programmable
> filter to read the field data) or it is actually not supported by paraview
> and I should avoid it? (for example, the field data would not be updated as
> the rest of the pipeline, or something like that)?
>
> Thank you
>
> Best regards
>
> Livia Barazzetti
>
>
>
>
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> --
>
> Cory Quammen
> R&D Engineer
> Kitware, Inc.
>



-- 
Cory Quammen
R&D Engineer
Kitware, Inc.
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