>>>>> "DS" == Dai Shuo <dai_shuo at hotmail.com> writes:
DS> hi, everyone I want to save several vtkPolyData objects into
DS> the same .vtk file. How to do that? I studied the document
DS> about vtk format, but didn't find the way.
Use vtkAppendPolyData along with a vtkPolyDataWriter to do the job.
prabhu