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r.transect(1) GRASS GIS User's Manual r.transect(1) NAME r.transect - Outputs raster map layer values lying along user defined transect line(s). KEYWORDS raster, profile, transect SYNOPSIS r.transect r.transect --help r.transect [-g] map=name line=east,north,azimuth,dis- tance[,east,north,azimuth,distance,...] [null_value=string] [--help] [--verbose] [--quiet] [--ui] Flags: -g Output easting and northing in first two columns of four column output --help Print usage summary --verbose Verbose module output --quiet Quiet module output --ui Force launching GUI dialog Parameters: map=nameA [required] Raster map to be queried line=east,north,azimuth,distance[,east,north,azimuth,dis- tance,...]A [required] Transect definition null_value=string String representing NULL value Default: * DESCRIPTION This program outputs, in ASCII, the values in a raster map which lie along one or more user-defined transect lines. The transects are de- scribed by their starting coordinates, azimuth, and distance. The line parameter is a definition of (each) transect line, specified by the geographic coordinates of its starting point (easting, nor- thing), the angle and direction of its travel (azimuth), and its dis- tance (distance). The azimuth is an angle, in degrees, measured to the east of north. The distance is in map units (meters for a metered database, like UTM). The null parameter can optionally be set to change the character string representing null values. NOTES This program is a front-end to the r.profile program. It simply con- verts the azimuth and distance to an ending coordinate and then runs r.profile. There once were width= and result=raw|median|average op- tions which are not currently implemented. SEE ALSO r.profile, wxGUI profile tool AUTHOR Michael Shapiro, U.S. Army Construction Engineering Research Laboratory SOURCE CODE Available at: r.transect source code (history) Main index | Raster index | Topics index | Keywords index | Graphical index | Full index A(C) 2003-2020 GRASS Development Team, GRASS GIS 7.8.4 Reference Manual GRASS 7.8.4 r.transect(1)
NAME | KEYWORDS | SYNOPSIS | DESCRIPTION | NOTES | SEE ALSO | AUTHOR | SOURCE CODE
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