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