[pdal-commits] [PDAL/PDAL] ebb420: Add power parameter to GDAL writer (#2704)

[chambbj]

  Branch: refs/heads/master
  Home:   https://github.com/PDAL/PDAL
  Commit: ebb4204ceff943cdd0b83e162be81dece25e8d45
      https://github.com/PDAL/PDAL/commit/ebb4204ceff943cdd0b83e162be81dece25e8d45
  Author: chambbj <brad.chambers at gmail.com>
  Date:   2019-09-05 (Thu, 05 Sep 2019)

  Changed paths:
    M doc/stages/writers.gdal.rst
    M io/GDALWriter.cpp
    M io/GDALWriter.hpp
    M io/private/GDALGrid.cpp
    M io/private/GDALGrid.hpp
    M test/unit/io/GDALWriterTest.cpp

  Log Message:
  -----------
  Add power parameter to GDAL writer (#2704)

* Add power parameter to GDAL writer such that IDW can be more heavily influenced by near points if desired

* Set power back to 1 for tests to pass

* Do not default power in the constructor, also return default to 1.0