I have some filters that make graphs on point clouds. They currently derive from vtkGraphAlgorithm and then in FillInputPortInformation they accept a vtkDataSet instead of a vtkGraph. The output remains a vtkGraph. To visualize these things in Paraview, I have been using vtkGraphToPolyData to convert the graph to a polydata data which can be written to a vtp file.
My question is: if I want to make a plugin for these graph-on-point-set creation filters, should I make a wrapper class that derives from vtkPolyDataAlgorithm and simply calls my class (which produces a vtkGraph) followed by a call to vtkGraphToPolyData? Or is there a way that Paraview can handle a vtkGraph output object directly? Thanks, David
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