Thanks. I get these sorts of errors:
vtkPVCompositeDataPipeline (0x2a831a0): Algorithm vtkFastMarcher(0x2a80860)
returned failure for request: vtkInformation (0x339b0f0
Before RequestData is reached...
Sohail
________________________________
From: David E DeMarle <dave.dema...@kitware.com>
To: Sohail Shafii <sohailsha...@yahoo.com>
Cc: "paraview@paraview.org" <paraview@paraview.org>
Sent: Friday, January 20, 2012 11:42 AM
Subject: Re: [Paraview] vtkDataSet algorithm that takes composite data set as
input
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 <sohailsha...@yahoo.com> 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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