On 20/07/15 23:29, Eric Younkin - NOAA Federal wrote:
Luca,
Have you seen this
<http://pointclouds.org/documentation/tutorials/normal_estimation.php>? Are you
just looking for a more detailed example? I'm also looking to eventually do
something similar, once I get it all set up in the end.
I am not searching for the normal to a surface, but the orientation of a cloud of
points (in other words, PCA) to tell a wall from a cable (a wall should have big
first and second eigenvalues and a small third one, while a cable should have a
big first eigenvalues, and small second and third ones).
Anyway, a fragment of Python calling a vtkPCAStatistics on point data would be
great (my very first steps in both ParaView and Python, so bear with me).
Cheers,
Luca Morandini
Data Architect - AURIN project
Melbourne eResearch Group
Department of Computing and Information Systems
University of Melbourne
Tel. +61 03 903 58 380
Skype: lmorandini
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