[pdal-commits] [PDAL/PDAL] 6c0ff2: Add more description about CPD vs ICP filters (#2472)

[Jason Sun]

  Branch: refs/heads/master
  Home:   https://github.com/PDAL/PDAL
  Commit: 6c0ff27a6ab73833c9f1e360cc94e348d935b66c
      https://github.com/PDAL/PDAL/commit/6c0ff27a6ab73833c9f1e360cc94e348d935b66c
  Author: Jason Sun <sunapi386 at gmail.com>
  Date:   2019-04-29 (Mon, 29 Apr 2019)

  Changed paths:
    M doc/stages/filters.cpd.rst
    M doc/stages/filters.icp.rst
    M doc/stages/references.bib

  Log Message:
  -----------
  Add more description about CPD vs ICP filters (#2472)

* Elaborate difference between ICP and CPD filters.

* longer underline