This is the command d.northarrowgrass that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
NAME
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.
Use d.northarrowgrass online using onworks.net services
