[Paraview] Spreadsheet display of Field Data?

[Cory Quammen]

Utkarsh,

No problem.

Cory

On Mon, Jun 3, 2013 at 5:02 PM, Utkarsh Ayachit
<utkarsh.ayachit at kitware.com> wrote:
> For better, or for worse, that's an assumption we made in ParaView
> from the get go and hence it's not possible to support unnamed arrays
> without extensive re-factoring.
>
> Utkarsh
>
> On Mon, Jun 3, 2013 at 3:14 PM, Cory Quammen <cquammen at cs.unc.edu> wrote:
>> Ah, never mind. I forgot to set a name for the array.
>>
>> If I add
>>
>> bestDimensionsArray->SetName( ... );
>>
>> the field data array shows up as expected.
>>
>> It seems like you should still be able to see the array values if the
>> array doesn't have a name, though.
>>
>> Cory
>>
>>
>> On Mon, Jun 3, 2013 at 3:05 PM, Cory Quammen <cquammen at cs.unc.edu> wrote:
>>> Hi all,
>>>
>>> I have a custom VTK filter that I am using to create a ParaView
>>> filter. I'd like to store some information about the output from the
>>> filter in the output's field data. My filter sets the field data for
>>> this output as follows:
>>>
>>>   vtkPolyData *output1 = vtkPolyData::SafeDownCast(
>>>     outputVector->GetInformationObject(1)->Get(
>>>         vtkDataObject::DATA_OBJECT()));
>>>
>>>   // do some stuff
>>>
>>>   vtkStdString xColumnString( ... );
>>>   vtkStdString yColumnString( ... );
>>>   vtkStdString zColumnString( ... );
>>>
>>>   vtkSmartPointer< vtkStringArray > bestDimensionsArray =
>>>     vtkSmartPointer< vtkStringArray >::New();
>>>   bestDimensionsArray->SetNumberOfValues( 3 );
>>>   bestDimensionsArray->SetValue( 0, xColumnString );
>>>   bestDimensionsArray->SetValue( 1, yColumnString );
>>>   bestDimensionsArray->SetValue( 2, zColumnString );
>>>
>>>   vtkSmartPointer< vtkFieldData > fieldData =
>>>     vtkSmartPointer< vtkFieldData >::New();
>>>   fieldData->AddArray( bestDimensionsArray );
>>>
>>>   output1->SetFieldData( fieldData );
>>>
>>> I was expecting to be able to see the field data in a spreadsheet view
>>> of the data. However, all I see is a single column with three empty
>>> cells.
>>>
>>> Thinking it might be a problem specific to vtkStringArray, I tried to
>>> set the field data to have a single vtkDoubleArray. However, I still
>>> get empty cells.
>>>
>>> Am I doing something wrong? I looked at the bug tracker but didn't
>>> find any open issues with regards to displaying field data in the
>>> spreadsheet view.
>>>
>>> Thanks!
>>> Cory
>>>
>>> --
>>> Cory Quammen
>>> Research Associate
>>> Department of Computer Science
>>> The University of North Carolina at Chapel Hill
>>
>>
>>
>> --
>> Cory Quammen
>> Research Associate
>> Department of Computer Science
>> The University of North Carolina at Chapel Hill
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-- 
Cory Quammen
Research Associate
Department of Computer Science
The University of North Carolina at Chapel Hill