[pdal-commits] [PDAL/PDAL] 563f6b: Don't try to build HeightAboveGround if there is n...

[Vasily Chekalkin]

  Branch: refs/heads/2.2-maintenance
  Home:   https://github.com/PDAL/PDAL
  Commit: 563f6b40a7633576b23c864dfe944cb850eda4f3
      https://github.com/PDAL/PDAL/commit/563f6b40a7633576b23c864dfe944cb850eda4f3
  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>