Try something like this.
In this case the mapper takes in either type, which you may or may not want.
//----------------------------------------------------------------------------
int vtkCompositePolyDataMapper2::FillInputPortInformation(
int vtkNotUsed(port), vtkInformation* info)
{
info->Set(vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE(), "vtkPolyData");
info->Append(vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE(),
"vtkCompositeDataSet");
return 1;
}
David E DeMarle
Kitware, Inc.
R&D Engineer
21 Corporate Drive
Clifton Park, NY 12065-8662
Phone: 518-881-4909
On Fri, Jan 20, 2012 at 2:36 PM, Sohail Shafii <[email protected]>wrote:
> Hi,
>
> I am developing an algorithm that requires a composite data set as input
> while creating a vtkDataSet as output -- basically it inherit from
> vtkDataSetAlgorithm. I know that one must provide a new definition to the
> FillInputPortInformation(int port, vtkInformation *info) function, but I'm
> not sure how. Please advise, thank you.
>
> Sohail
>
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