Shows how you can use real SynthEyes planes to act as clipping planes when working on vertex point clouds, ie from tracker positions or lidar data. Lidar scan from
https://kos.informatik.uni-osnabrueck.de/3Dscans/ by Dorit Borrmann, Jan Elseberg, HamidReza Houshiar, and Andreas Nuchter from Jacobs University Bremen GmbH, Germany.