[GRASS-git] [OSGeo/grass] acb695: r.geomorphon: check region rows against search rad...

[Kaushik Raja]

  Branch: refs/heads/main
  Home:   https://github.com/OSGeo/grass
  Commit: acb695ecf50887eaeb8f4f5d2cf57fea0f801ad8
      https://github.com/OSGeo/grass/commit/acb695ecf50887eaeb8f4f5d2cf57fea0f801ad8
  Author: Kaushik Raja <85415462+krcoder123 at users.noreply.github.com>
  Date:   2026-07-28 (Tue, 28 Jul 2026)

  Changed paths:
    M raster/r.geomorphon/main.c

  Log Message:
  -----------
  r.geomorphon: check region rows against search radius before reading (#7773)

When the region has fewer rows than the search radius needs, the module fails without saying why. It just gives a confusing library message about the symptom, not the cause. This small PR adds an early check with an error message that tells the user their search value needs more rows than the region has, and what the minimum is.



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