[pdal-commits] [PDAL/PDAL] 1064ae: Improve filters.hag for delaunay case (#2846)

[Andrew Bell]

  Branch: refs/heads/master
  Home:   https://github.com/PDAL/PDAL
  Commit: 1064ae8c7a332cbc700103c803da2e69808a3ba2
      https://github.com/PDAL/PDAL/commit/1064ae8c7a332cbc700103c803da2e69808a3ba2
  Author: Andrew Bell <andrew.bell.ia at gmail.com>
  Date:   2019-12-18 (Wed, 18 Dec 2019)

  Changed paths:
    M doc/stages/filters.hag.rst
    M filters/HAGFilter.cpp
    M filters/HAGFilter.hpp
    M pdal/EigenUtils.cpp
    M pdal/KDIndex.hpp
    A test/data/filters/hagtest.jpg
    A test/data/filters/hagtest.txt
    M test/unit/CMakeLists.txt
    A test/unit/filters/HAGFilterTest.cpp

  Log Message:
  -----------
  Improve filters.hag for delaunay case (#2846)

* First cut streamlining HAG filter.
Add first test and test data.

* Add filters.hag tests.
Update filters.hag documentation.

* Protect macro expansion of min/max.

* Eliminate case to simplify.

* Update delaunay creation.

* Merge fix.

* Don't calculate distance when we already have it.

* Refactor to clarify handling and eliminate potential divide-by-zero issues.

* Remove assertion.

* Update doc text.

* Update text for max_distance.