I created a conversor from VTK to OFF (object file format) for my thesis. Perhaps it may be useful for somebody. It is possible to integrate it with the next version of PCL? How and where?
Feel free to fork the github repository and then send a pull request with your converter.
Similarly to e.g. VTK to OBJ converter that is present in PCL, you may want to create an app "vtk2off.cpp" in "tools" module. The implementation itself might go to "io" module ("io/include/pcl/io/off_io.h" and "io/src/off_io.cpp" to be more specific).
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