ОПИСАНИЕ
r.sum sums up the raster cell values.
For example, it can be used to summarize the population
of a country. Using a raster MASK, raster areas can be
easily selected for the summary.
СМ. ТАКЖЕ
r.surf.area
АВТОР
Bill Brown, UIUC GIS Laboratory
Last changed: $Date: 2007-05-29 06:42:23 -0500 (Вт, 29 май 2007) $
Автор перевода