astro (version 1.2)

cardinal: Add Cardinal Points to a Plot

Description

Adds the four cardinal points to a figure, marking north and east.

Usage

cardinal(rotate = 0, pos = "bottomright", inset = 0.5,  len = 2, gap = 1, col = "white", linecol = col,  bg = "grey25", lwd = 1, invert = TRUE, south = TRUE,  west = TRUE, textrot = TRUE, ...)

Arguments

rotate

rotate cardinal cross clockwise from 'up' (degrees)

pos

position of cross (bottomleft/topleft/topright/bottomright)

inset

inset cross from edge

len

length of cross arrows

gap

size of gap between arrowhead and text

col

colour of arrows/text

linecol

colour of cardinal cross

bg

shading colour

lwd

line width

invert

invert east-west

south

show the southern prong

west

show the western prong

textrot

rotate the text along with the cross

...

arguments to be passed to 'shadowtext'

See Also

The astronomy package: astro.