spline.arrow {RFOC}

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)