[vtkusers] vtkMergeDataObjectFilter broken?

[Mathieu Malaterre]

Chris Want wrote:
> Hi there,
> 
> I am trying to update some code that I wrote ages
> ago that works fine with VTK 4.x, but breaks with
> current CVS. I am storing geometry and scalar
> data in different files and I'm using the
> vtkMergeDataObjectFilter to help combine them.
> The particular code looks something like this:
> 
> //-------------
> vtkMergeDataObjectFilter *merge = vtkMergeDataObjectFilter::New();
> vtkUnstructuredGridReader *readGeom = vtkUnstructuredGridReader::New();
> readGeom->SetFileName(geomfilename);
> 
> readAttr = vtkDataObjectReader::New();
> readAttr->SetFileName(datafilename);
> readAttr->SetFieldDataName("scalarvar");
> 
> // # combine data and build scalars
> merge->SetInput((vtkDataSet *) readGeom->GetOutput());
> merge->SetDataObject(readAttr->GetOutput());
> //-------------
> 
> When it hits the last line of code, VTK says:
> 
> ERROR: In /usr/local/src/vtk/VTK/Filtering/vtkAlgorithm.cxx, line 679
> vtkMergeDataObjectFilter (0x523820): Attempt to connect input port index 
> 1 for an algorithm with 1 input ports.
> 
> I just downloaded and built VTK 4, and the code runs fine
> -- can anybody suggest a reason why it fails with recent
> CVS?

Hi Chris,

	Can you open a bug report at:

	http://vtk.org/Bug

	If you can please submit a dataset so that I can reproduce the issue.

Thanks,
Mathieu