[GRASS-git] [OSGeo/grass] 8688f8: r.grow: Correctly handle shrinking of maps without...

[Māris Nartišs]

  Branch: refs/heads/releasebranch_7_8
  Home:   https://github.com/OSGeo/grass
  Commit: 8688f8e4fafc9f8088f92dbd99fd73051e90bb68
      https://github.com/OSGeo/grass/commit/8688f8e4fafc9f8088f92dbd99fd73051e90bb68
  Author: Māris Nartišs <mn at sungis.lv>
  Date:   2020-03-20 (Fri, 20 Mar 2020)

  Changed paths:
    M scripts/r.grow/r.grow.py
    M scripts/r.grow/testsuite/test_r_grow.py

  Log Message:
  -----------
  r.grow: Correctly handle shrinking of maps without NULL values (#343)

* r.grow: Output unchanged map when shrinking if there are no null values in the input.
Fixes r.grow producing empty maps on shrink.

* testsuite: r.grow test shrinking map without NULL values
Based on PR #343

Co-authored-by: Māris Nartišs <maris.nartiss at lu.lv>