garrows: Draw a directed arc in a DAG.
Description
Internally called by dag.draw
for drawing directed arcs.
Usage
garrows(x0, y0, x1, y1, xgap, ygap, len = 0.1)
Arguments
- x0
X coordinate of origin.
- y0
Y coordinate of origin.
- x1
X coordinate of target node.
- y1
Y coordinate of target node.
- xgap
Space between node and arc ends on x axis.
- ygap
Space between node and arc ends on y axis.
- len
Length of arrow whiskers (default=0.1).
Author
Lutz P Breitling <l.breitling@posteo.de>