Northarrow: Northarrow

In StatDA: Statistical Analysis for Environmental Data

Northarrow

Description

Add a North Arrow to a map.

Usage

Northarrow(Xbottom, Ybottom, Xtop, Ytop, Xtext, Ytext, Alength, Aangle, Alwd,
Tcex)

Arguments

Xbottom	x coordinate of the first point
Ybottom	y coordinate of the first point
Xtop	x coordinate of the second point
Ytop	y coordinate of the second point
Xtext	x coordinate of the label
Ytext	y coordinate of the label
Alength	length of the edges of the arrow head (in inches)
Aangle	angle from the shaft of the arrow to the edge of the arrow head
Alwd	The line width, a positive number
Tcex	numeric character expansion factor

Value

No return value, creates a plot.

Author(s)

Peter Filzmoser <[e-mail]> http://cstat.tuwien.ac.at/filz/

References

C. Reimann, P. Filzmoser, R.G. Garrett, and R. Dutter: Statistical Data Analysis Explained. Applied Environmental Statistics with R. John Wiley and Sons, Chichester, 2008.

Examples

plot.new()
Northarrow(0.5,0,0.5,1,0.5,0.5,Alength=0.15,Aangle=15,Alwd=2,Tcex=2)

StatDA documentation built on June 7, 2023, 6:26 p.m.