On Fri, 27 Apr 2012, Hermann Peifer wrote:

I am not sure if there is a single answer to when and why one should use
r.grow. I use it before generating area statistics with r.stats, e.g.:
r.stats -c admin_units,land_cover > outfile

Administrative boundaries are usually only defined on land, they do not
cover areas which in the land cover map appear as coastal lagoons, tidal
flats, and similar. So I grow the admin_units map sufficiently, before
running r.stats.

Hermann,

  Single answers not required. :-)

  Your use is a valid example of when and why r.grow should be applied. A
collection of such examples (on the wiki with references from the manual
page?) would be highly valuable for everyone.

Thank you,

Rich

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