[Paraview] Spreadsheet display of Field Data?

[Utkarsh Ayachit]

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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