.TH r.plane 1grass "" "GRASS 7.8.5" "GRASS GIS User's Manual"
.SH NAME
\fI\fBr.plane\fR\fR  \- Creates raster plane map given dip (inclination), aspect (azimuth) and one point.
.SH KEYWORDS
raster, elevation
.SH SYNOPSIS
\fBr.plane\fR
.br
\fBr.plane \-\-help\fR
.br
\fBr.plane\fR \fBoutput\fR=\fIname\fR \fBdip\fR=\fIfloat\fR \fBazimuth\fR=\fIfloat\fR \fBeasting\fR=\fIfloat\fR \fBnorthing\fR=\fIfloat\fR \fBelevation\fR=\fIfloat\fR  [\fBtype\fR=\fIstring\fR]   [\-\-\fBoverwrite\fR]  [\-\-\fBhelp\fR]  [\-\-\fBverbose\fR]  [\-\-\fBquiet\fR]  [\-\-\fBui\fR]
.SS Flags:
.IP "\fB\-\-overwrite\fR" 4m
.br
Allow output files to overwrite existing files
.IP "\fB\-\-help\fR" 4m
.br
Print usage summary
.IP "\fB\-\-verbose\fR" 4m
.br
Verbose module output
.IP "\fB\-\-quiet\fR" 4m
.br
Quiet module output
.IP "\fB\-\-ui\fR" 4m
.br
Force launching GUI dialog
.SS Parameters:
.IP "\fBoutput\fR=\fIname\fR \fB[required]\fR" 4m
.br
Name for output raster map
.IP "\fBdip\fR=\fIfloat\fR \fB[required]\fR" 4m
.br
Dip of plane in degrees
.br
Default: \fI0.0\fR
.IP "\fBazimuth\fR=\fIfloat\fR \fB[required]\fR" 4m
.br
Azimuth of the plane in degrees
.br
Default: \fI0.0\fR
.IP "\fBeasting\fR=\fIfloat\fR \fB[required]\fR" 4m
.br
Easting coordinate of a point on the plane
.IP "\fBnorthing\fR=\fIfloat\fR \fB[required]\fR" 4m
.br
Northing coordinate of a point on the plane
.IP "\fBelevation\fR=\fIfloat\fR \fB[required]\fR" 4m
.br
Elevation coordinate of a point on the plane
.IP "\fBtype\fR=\fIstring\fR" 4m
.br
Type of raster map to be created
.br
Storage type for resultant raster map
.br
Options: \fICELL, FCELL, DCELL\fR
.br
Default: \fIFCELL\fR
.br
\fBCELL\fR: Integer
.br
\fBFCELL\fR: Single precision floating point
.br
\fBDCELL\fR: Double precision floating point
.SH DESCRIPTION
\fIr.plane\fR creates a tilted plane raster map given user\-specified
parameters for inclination, azimuth, and the geographic location of a
point on the plane.
.br
The angle orientations of the \fIazimuth\fR parameter increase counter\-clockwise,
i.e., 0 degree = N, 45 degree = NW, 90 degree = W etc.
.PP
Increasing values of the \fIdip\fR parameter progressively lower (or dip) the northern
half of the plane, and incline the southern half, assuming the \fIazimuth\fR parameter
is held constant at 0 degrees.
.SH NOTES
g.region \-c provides the easting and northing coordinates for
the center of the current region.
.PP
\fICELL\fR (integer) maps take less disk space than \fIFCELL\fRs (floating point),
which in turn take up less space than \fIDCELL\fRs (double precision floating point).
.SH EXAMPLE
A tilted plane in the North Carolina sample dataset region:
.br
.nf
\fC
# set computational region
g.region raster=elev_lid792_1m \-p
# get center coordinates as an example
g.region \-c
# get terrain height at point
r.what map=elev_lid792_1m coordinates=638650.0,220375.0
# shows elevation: 116.7734
# generate tilted plane
r.plane myplane30 dip=30 az=75 east=638650.0 north=220375.0 \(rs
        elev=116.7734 type=FCELL
\fR
.fi
.br
\fIFigure: Tilted plane shown in NVIZ along with elevation map\fR
.SH AUTHOR
Stefan Jäger (1994), University of Heidelberg during a stay at USGS
.br
Updated to GRASS 5.7 by Michael Barton, Arizona State University
.br
Full rewrite for GRASS 7 by Glynn Clements
.SH SOURCE CODE
.PP
Available at: r.plane source code (history)
.PP
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.PP
© 2003\-2020
GRASS Development Team,
GRASS GIS 7.8.5 Reference Manual