[pdal-commits] [PDAL/PDAL] c678bf: Add farthest point sampling (FPS) filter

[chambbj]

  Branch: refs/heads/issue-2761-farthest-point-sampling
  Home:   https://github.com/PDAL/PDAL
  Commit: c678bff41306818d99e1d7adc8975c7ad065600b
      https://github.com/PDAL/PDAL/commit/c678bff41306818d99e1d7adc8975c7ad065600b
  Author: Bradley J Chambers <brad.chambers at gmail.com>
  Date:   2019-09-24 (Tue, 24 Sep 2019)

  Changed paths:
    A doc/stages/filters.farthestpointsampling.rst
    A filters/FarthestPointSamplingFilter.cpp
    A filters/FarthestPointSamplingFilter.hpp

  Log Message:
  -----------
  Add farthest point sampling (FPS) filter

- Similar characteristics to Poisson filtering

- Allows user to specify an exact number of points for the output

- This is a greedy, brute force approach to FPS, and will not scale well to
  large point clouds