[vtkusers] snap vtk to stl conversion

[alves.scarparo at libero.it]

I'm a new newby in VTK and TCL.
I'm trying to write a tcl small program to convert snap vtk created files to STL files.

I use 

vtkPolyDataReader pr
pr SetFileName infile.vtk
vtkSTLWriter pdw
pdw SetInput [pr GetOutput]
pdw SetFileName outfile.stl
pdw Write


but get this error:
vtkPolyDataReader (0039EF00): Cannot read dataset type: structured_points

Probably I need to convert structured points to normal polyData and then use stlWriter.
How can I do this?


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