[pdal-commits] [PDAL/PDAL] dbdc10: Don't try to build HeightAboveGround if there is n...

[Vasily Chekalkin]

  Branch: refs/heads/master
  Home:   https://github.com/PDAL/PDAL
  Commit: dbdc10628fd3aa345698559f8b82e8a34f59477f
      https://github.com/PDAL/PDAL/commit/dbdc10628fd3aa345698559f8b82e8a34f59477f
  Author: Vasily Chekalkin <bacek at bacek.com>
  Date:   2021-01-22 (Fri, 22 Jan 2021)

  Changed paths:
    M filters/HagNnFilter.cpp

  Log Message:
  -----------
  Don't try to build HeightAboveGround if there is no ground points. (#3343)

Without this it triggers assert/segfault in PointView::getFieldAs when
HAG filters trying to fetch non-existing points.

Co-authored-by: Vasily Chekalkin <bacek at powerlinespro.com>