[GRASS-git] [OSGeo/grass] 9bbd20: r.colors: add offset and scale (#954)

[Markus Metz]

  Branch: refs/heads/master
  Home:   https://github.com/OSGeo/grass
  Commit: 9bbd20df7df86491191c8ce5f47674a87a57438c
      https://github.com/OSGeo/grass/commit/9bbd20df7df86491191c8ce5f47674a87a57438c
  Author: Markus Metz <33666869+metzm at users.noreply.github.com>
  Date:   2020-09-09 (Wed, 09 Sep 2020)

  Changed paths:
    M raster/r.colors/edit_colors.c
    M raster/r.colors/local_proto.h
    M raster/r.colors/r.colors.html
    M raster/r.colors/rules.c
    M raster/r.colors/stats.c

  Log Message:
  -----------
  r.colors: add offset and scale (#954)

adding offset and scale enables r.colors to add e.g. the celsius rules to a map with units = Kelvin * 50