With the color band option values less that 1 S.D. from the mean are colored green, within 1-2 S.D. are colored yellow, within 2-3 S.D. are colored red, and beyond 3 S.D. are colored black.
For a differences map there is an option to lock the center of the color table at zero. Values more than two S.D. below the mean will be colored blue; values below the mean but less than 2 S.D. away will transition to white, and above the mean the colors will simularly transition to full red at +2 S.D.
g.region raster=elevation -p r.colors.stddev elevation
Available at: r.colors.stddev source code (history)
Latest change: Friday May 03 14:49:35 2024 in commit: 763fa05e332664d1b5f883b4a26a81decf7757b3
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