.TH r.sum 1grass "" "GRASS 6.4.4" "Grass User's Manual"
.SH NAME
\fI\fBr.sum\fR\fR  - Sums up the raster cell values.
.SH KEYWORDS
raster, statistics
.SH SYNOPSIS
\fBr.sum\fR
.br
\fBr.sum help\fR
.br
\fBr.sum rast\fR=\fIstring\fR  [\-\-\fBverbose\fR]  [\-\-\fBquiet\fR] 
.SS Parameters:
.IP "\fBrast\fR=\fIstring\fR" 4m
.br
Name of incidence or density file.
.PP
.SH DESCRIPTION
\fB\fIr.sum\fR\fR 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.
.SH SEE ALSO
\fIr.surf.area\fR
.SH AUTHOR
Bill Brown, UIUC GIS Laboratory
.PP
\fILast changed: $Date: 2008-05-16 21:09:06 +0200 (Fri, 16 May 2008) $\fR
.PP
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.PP
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