NAME

       r.plane   -  Creates  raster  plane  map given dip (inclination), aspect (azimuth) and one
       point.

KEYWORDS

       raster, elevation

SYNOPSIS

       r.plane
       r.plane help
       r.plane name=string dip=float azimuth=float easting=float  northing=float  elevation=float
       type=string  [--overwrite]  [--verbose]  [--quiet]

   Flags:
       --overwrite
           Allow output files to overwrite existing files

       --verbose
           Verbose module output

       --quiet
           Quiet module output

   Parameters:
       name=string
           Name of raster plane to be created

       dip=float
           Dip of plane. Value must be between -90 and 90 degrees
           Default: 0.0

       azimuth=float
           Azimuth of the plane. Value must be between 0 and 360 degrees
           Default: 0.0

       easting=float
           Easting coordinate of a point on the plane

       northing=float
           Northing coordinate of a point on the plane

       elevation=float
           Elevation coordinate of a point on the plane

       type=string
           Type of the raster map to be created
           Options: int,float,double

DESCRIPTION

       r.plane creates a tilted plane raster map given user-specified parameters for inclination,
       azimuth, and the geographic location of a point on the plane.
       The angle orientations of the azimuth parameter increase counter-clockwise, i.e., 0 degree
       = N, 45 degree = NW, 90 degree = W etc.

       Increasing  values  of the dip parameter progressively lower (or dip) the northern half of
       the plane, and incline the southern half, assuming the azimuth parameter is held  constant
       at 0 degrees.

NOTES

       g.region  -c  provides  the easting and northing coordinates for the center of the current
       region.

       int maps take less disk space than floats, which in turn take up less space  than  doubles
       (but can be less exact).

EXAMPLE

       A tilted plane in the North Carolina sample dataset region:
       g.region -d
       g.region -c
       r.plane myplane45 dip=45 az=90 east=527500.0 north=165000.0 \
               elev=1000 type=float

AUTHOR

       Unknown
       Updated to GRASS 5.7 by Michael Barton, Arizona State University

       Last changed: $Date: 2011-09-04 06:23:30 -0700 (Sun, 04 Sep 2011) $

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