.TH r.surf.gauss 1grass "" "GRASS 6.4.2" "Grass User's Manual" .SH NAME \fI\fBr.surf.gauss\fR\fR - GRASS module to produce a raster map layer of gaussian deviates whose mean and standard deviation can be expressed by the user. It uses a gaussian random number generator. .SH KEYWORDS raster, statistics .SH SYNOPSIS \fBr.surf.gauss\fR .br \fBr.surf.gauss help\fR .br \fBr.surf.gauss output\fR=\fIname\fR [\fBmean\fR=\fIfloat\fR] [\fBsigma\fR=\fIfloat\fR] [--\fBoverwrite\fR] [--\fBverbose\fR] [--\fBquiet\fR] .SS Flags: .IP "\fB--overwrite\fR" 4m .br Allow output files to overwrite existing files .IP "\fB--verbose\fR" 4m .br Verbose module output .IP "\fB--quiet\fR" 4m .br Quiet module output .PP .SS Parameters: .IP "\fBoutput\fR=\fIname\fR" 4m .br Name of the output random surface .IP "\fBmean\fR=\fIfloat\fR" 4m .br Distribution mean .br Default: \fI0.0\fR .IP "\fBsigma\fR=\fIfloat\fR" 4m .br Standard deviation .br Default: \fI1.0\fR .PP .SH DESCRIPTION \fBr.surf.gauss\fR produces a raster map layer of Gaussian deviates whose mean and standard deviation can be expressed by the user. It uses a Gaussian random number generator. It is essentialy the same as \fIr.surf.random\fR, but uses a Gaussian random number generator instead. .PP \fIHistogram of map generated with r.surf.gauss (mean=0, sigma=10)\fR .SH SEE ALSO \fIr.surf.contour\fR, \fIr.surf.fractal\fR, \fIr.surf.idw\fR, \fIr.surf.idw2\fR, \fIr.surf.random\fR, \fIv.surf.rst\fR .SH AUTHOR Jo Wood .br ASSIST's home .PP \fILast changed: $Date: 2008-06-01 12:06:54 +0200 (Sun, 01 Jun 2008) $\fR .PP Full index .PP © 2003-2011 GRASS Development Team