[Paraview] Instanciating an unknown type

[Berk Geveci]

vtkDataSet* output = input->NewInstance();

vtkDataSetAlgorithm::RequestDataObject() already does this though. You
shouldn't need to. See that method for details.

-berk

On Fri, Feb 19, 2010 at 6:35 AM, Fred Fred <stan1313 at hotmail.fr> wrote:

>  My problem is as follow: I am writing a vtkDataSetAlgorithm filter and I
> need to create the ouput dataset, which must be of the same type as the
> input.
> Is there a one-line way to do it, ie avoiding if (input->IsA("vtkPolyData")
> output=vtkPolyData::New(); else if ... ?
>
>
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