berryFunctions (version 1.22.5)

locArrow: arrow at locator point in graph

Description

Draw arrow at positions in a graph located by clicking and return the code to recreate it

Usage

locArrow(digits = 2, length = 0.1, code = 2, ...)

Value

Character string with code

Arguments

digits

Number of digits coordinates are rounded to with signif

length

Length of the edges of the arrow head (in inches). DEFAULT: 0.1

code

Direction of arrow head. DEFAULT: 2 (from first to last point clicked)

...

Further arguments passed to arrows like lwd, col etc

Author

Berry Boessenkool, , Jun 2016

Details

Not tested across platforms yet...

See Also

locLine, locator, abline

Examples

plot(cumsum(rnorm(60)), type="l")
## locArrow() # only do this manually in interactive() mode
## locArrow(col="blue", lwd=3)