Skip site navigation (1)Skip section navigation (2)

FreeBSD Manual Pages

  
 
  

home | help
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	7.8.3 Reference	Manual

GRASS 7.8.3							 r.transect(1)

NAME | KEYWORDS | SYNOPSIS | DESCRIPTION | NOTES | SEE ALSO | AUTHOR | SOURCE CODE

Want to link to this manual page? Use this URL:
<https://www.freebsd.org/cgi/man.cgi?query=r.transect&sektion=1&manpath=FreeBSD+12.1-RELEASE+and+Ports>

home | help