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d.grid - Overlays a user-specified grid in the active display frame on the graphics monitor.

Authors

       James Westervelt, U.S. Army Construction Engineering Research Laboratory
       Geogrid support: Bob Covill
       Border support: Markus Neteler
       Text and RGB support: Hamish Bowman
       Background color implemented as part of GSoC 2016 by Adam Laza, CTU in Prague

Description

d.grid  overlays  a  grid  of  user-defined  size  and  color in the active display frame on the graphics
       monitor.  The grid can be created as a standard rectangular grid or a geographic grid.

       If the user provides a -g flag a geographic (projected) grid will be drawn. With the  -g  flag  the  size
       argument accepts both decimal degrees and colon separated ddd:mm:ss coordinates (eg. 00:30:00 for half of
       a degree).  A geographic grid cannot be drawn for a latitude/longitude or XY projection.

       Colors  may  be  standard named GRASS colors (red, green, aqua, etc.) or a numerical R:G:B triplet, where
       component values range from 0-255.  Grid color can be set  with  option  color.  Options  text_color  and
       bgcolor set the color of the text and its background.

       The grid drawing may be turned off by using the -n flag.
       The border drawing may be turned off by using the -b flag.
       The coordinate text may be turned off by using the -t flag.

       To  draw  grid  lines  at different intervals, e.g. at high latitudes, you can run the module twice, once
       with direction=east-west at one interval size, and again with direction=north-south at  another  interval
       size.

Examples

       To draw a red geographic grid with 30 minute grid spacing, run one of the following commands:
       d.grid -g size=00:30:00 color=red
       or
       d.grid -g size=0.5 color=255:0:0
       Figure:Showingageographicgridinredlinecolor To draw a blue standard rectangular grid at a 500
       (meter) spacing run the following:
       d.grid size=500 color=blue
       Figure:Showingarectangulargridinbluelinecolor

Keywords

       display, cartography, graticule, grid

Name

d.grid  - Overlays a user-specified grid in the active display frame on the graphics monitor.

See Also

d.barscale,d.legend,d.geodesic,d.rhumbline,d.erase,d.frame,d.rast,v.mkgrid

Source Code

       Available at: d.grid source code (history)

       Accessed: Friday Apr 04 01:18:46 2025

       Main index | Display index | Topics index | Keywords index | Graphical index | Full index

       © 2003-2025 GRASS Development Team, GRASS GIS 8.4.1 Reference Manual

GRASS 8.4.1                                                                                       d.grid(1grass)

Synopsis

d.gridd.grid--helpd.grid  [-agwcdfnbt]  size=value  [origin=east,north]   [direction=string]   [width=float]   [color=name]
       [border_color=name]   [text_color=name]    [bgcolor=name]    [fontsize=integer]    [--help]   [--verbose]
       [--quiet]  [--ui]

   Flags:-a
           Align the origin to the east-north corner of the current region

       -g
           Draw geographic grid (referenced to current ellipsoid)

       -w
           Draw geographic grid (referenced to WGS84 ellipsoid)

       -c
           Draw ’+’ marks instead of grid lines

       -d
           Draw ’.’ marks instead of grid lines

       -f
           Draw fiducial marks instead of grid lines

       -n
           Disable grid drawing

       -b
           Disable border drawing

       -t
           Disable text drawing

       --help
           Print usage summary

       --verbose
           Verbose module output

       --quiet
           Quiet module output

       --ui
           Force launching GUI dialog

   Parameters:size=value[required]
           Size of grid to be drawn (in map units)
           0 for north-south resolution of the current region. In map units or DDD:MM:SS format. Example: "1000"
           or "0:10"

       origin=east,north
           Lines of the grid pass through this coordinate
           Default: 0,0direction=string
           Draw only east-west lines, north-south lines, or both
           Options: both,east-west,north-south
           Default: bothwidth=float
           Grid line width

       color=name
           Grid color
           Either a standard color name or R:G:B triplet
           Default: grayborder_color=name
           Border color
           Either a standard color name or R:G:B triplet
           Default: blacktext_color=name
           Text color
           Either a standard color name or R:G:B triplet
           Default: graybgcolor=name
           Background color
           Either a standard color name, R:G:B triplet, or "none"
           Default: nonefontsize=integer
           Font size for gridline coordinate labels
           Options: 1-72
           Default: 9

See Also