arrows: gsplot arrows

In USGS-R/gsplot: Geological Survey Plotting

gsplot arrows

Description

Creates an arrow pointing at a specified plot location. See arrows for more details.

Usage

arrows(object, ...)

Arguments

object	gsplot object
...	Further graphical parameters may also be supplied as arguments. See 'Details'.

Details

Often used with text to label a feature on the plot. Additional graphical parameter inputs:

• x0, y0 position of the arrow tail

• x, y position of the arrow head

• col, lty, lwd parameters describing the color, type, and width of the arrow, respectively

• legend.name name that appears in the legend, see legend for more legend parameters

See Also

arrows

Examples

gs <- gsplot() %>%
   points( y=c(3,1,2), x=1:3, xlim=c(0,NA),ylim=c(0,NA),
            col="blue", pch=18, legend.name="Points", xlab="Index") %>%
   lines(c(3,4,3), c(2,4,6), legend.name="Lines", ylab="Data") %>%
   abline(b=1, a=0, legend.name="1:1") %>%
   legend(location="topleft",title="Awesome!") %>%
   grid() %>%
   error_bar(x=1:3, y=c(3,1,2), offset.up=c(0.5,0.25,1), offset.down=0.1) %>%
   error_bar(x=1:3, y=c(3,1,2), offset.left=.2, offset.right=.2, col="red",lwd=3) %>%
   arrows(x0=0.75, y0=2, x1=1, y1=2.8, lwd=2) %>%
   title("Graphing Fun") %>%
   text(.75,1.75,labels="Weird data")
gs

USGS-R/gsplot documentation built on April 17, 2023, 8:45 p.m.