[Paraview] vtkDataObjectAlgorithm with multiple inputs

[burlen]

How did you implement RequestDataObject?
Did you set the keys:

vtkDataObject::DATA_TYPE_NAME()
vtkDataObject::DATA_OBJECT()
vtkDataObject::DATA_EXTENT_TYPE()

?


Paul Edwards wrote:
> Hi,
>
> I am creating a filter that calculates the difference between all 
> scalar values for two inputs.  The filter assumes that both the inputs 
> have the sames number of points (and same block structure if 
> multi-block).  I want to work with both single and multi-block so I 
> have subclassed vtkDataObjectAlgorithm but when I just set the output 
> as a DeepCopy of the first input I just get an empty output with an 
> "Unknown type".  Does anyone know what I am doing wrong?
>
> Thanks,
> Paul
>
>
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