[pdal-commits] [PDAL/PDAL] 201beb: Throw error with no GEOS (#2407)

[Andrew Bell]

  Branch: refs/heads/master
  Home:   https://github.com/PDAL/PDAL
  Commit: 201beb41d32310620146a3276d9d8c17ef083b6c
      https://github.com/PDAL/PDAL/commit/201beb41d32310620146a3276d9d8c17ef083b6c
  Author: Andrew Bell <andrew.bell.ia at gmail.com>
  Date:   2019-03-18 (Mon, 18 Mar 2019)

  Changed paths:
    M pdal/Geometry.cpp
    M pdal/Geometry.hpp
    M pdal/Polygon.cpp
    M pdal/Polygon.hpp

  Log Message:
  -----------
  Throw error with no GEOS (#2407)

* Geometry::valid() needs GEOS.

* Check for GEOS.