spline.arrow: Spline Arrow

In RFOC: Graphics for Spherical Distributions and Earthquake Focal Mechanisms

Spline Arrow

Description

Given a set of points, draw a spline and affix an arrow at the end.

Usage

spline.arrow(x, y = 0, kdiv = 20, arrow = 1,
 length = 0.2, col = "black", thick = 0.01,
headlength = 0.2, headthick = 0.1, code = 2, ...)

Arguments

x	vector, x-coordinates
y	vector, y-coordinates
kdiv	Number of divisions
arrow	style of arrow, 1=simple arrow, 2=fancy arrow
length	length of head
col	color of arrow
thick	thickness of arrow stem
headlength	length of arrow head
headthick	thickness of arrow head
code	code, 1=arrow on end of spline, 3=arrow on beginning.
...	graphical parameters for the line

Details

Can use either simple arrows or fancy arrows.

Value

list of x,y coordinates of the spline and Graphical Side effects

Author(s)

Jonathan M. Lees<[e-mail]>

See Also

fancyarrows

Examples

plot(c(0,1), c(0,1), type='n')


G=list()
G$x=c(0.1644,0.1227,0.0659,0.0893,0.2346,
0.3514,0.5518,0.7104,0.6887,0.6903,0.8422)
G$y=c(0.8816,0.8305,0.7209,0.6086,0.5372,
0.6061,0.6545,0.6367,0.4352,0.3025,0.0475)



spline.arrow(G$x, G$y)

RFOC documentation built on Sept. 8, 2023, 6:12 p.m.