qgraph (version 1.0.5-2)

qgraph.arrow: qgraph.arrow

Description

This function creates an open or closed arrowhead. It is used in qgraph and not designed for seperate use.

Usage

qgraph.arrow(x, y, x.orig, y.orig, length, angle = 30 * pi/180, lwd, 
			 col = "black", open = T, Xasp = 1, lty = 1)

Arguments

x

X coordinate of the arrow end.

y

Y coordinate of the arrow end.

x.orig

X coordinate of a point of origin.

y.orig

Y coordinate of a point of origin

length

Length of arrowhead in inches

angle

Angle of arrowhead in radian

lwd

Line width

col

Color of the arrowhead

open

TRUE for open arrowhead, FALSE for closed arrowhead.

Xasp

width/height ratio of the plotting area

lty

Line type