d.northarrow.1grass man page

d.northarrow — Displays a north arrow on the graphics monitor.

Keywords

display, cartography

Synopsis

d.northarrow
d.northarrow --help
d.northarrow [-t] [style=string] [at=x,y] [color=name] [fill_color=name] [width=float] [fontsize=float] [--help] [--verbose] [--quiet] [--ui]

Flags

-t
Draw the symbol without text
--help
Print usage summary
--verbose
Verbose module output
--quiet
Quiet module output
--ui
Force launching GUI dialog

Parameters

style=string
North arrow style
Options: 1a, 1b, 2, 3, 4, 5, 6, 7a, 7b, 8a, 8b, 9, fancy_compass, basic_compass
Default: 1a
at=x,y
Screen coordinates of the rectangle’s top-left corner
(0,0) is lower-left of the display frame
Options: 0-100
Default: 85.0,15.0
color=name
Line color
Either a standard color name or R:G:B triplet
Default: black
fill_color=name
Fill color
Either a standard color name, R:G:B triplet, or "none"
Default: black
width=float
Line width
Default: 0
fontsize=float
Font size
Options: 1-360
Default: 14

Description

d.northarrow displays a north arrow symbol the graphics monitor at the given screen coordinates. If no coordinates are given it will draw the north arrow in the bottom right of the display. It can draw the north arrow in a number of styles (see the wiki page for details).

Todo

Add options to use an arbitrary rotation angle for when grid north and true north diverge, and add a flag to calculate that convergence angle and apply the rotation automatically.

See Also

d.barscale, d.graph, d.grid, d.legend

Author

Hamish Bowman, Department of Geology, University of Otago, New Zealand

Last changed: $Date: 2013-09-19 08:08:54 +0200 (Thu, 19 Sep 2013) $

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GRASS 7.0.4 Grass User's Manual