abline: gsplot abline

In USGS-R/gsplot: Geological Survey Plotting

gsplot abline

Description

Creates straight lines on the existing gsplot object. See abline for more details.

Usage

abline(object, ...)

Arguments

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

Details

Additional graphical parameter inputs:

• a, b slope, y-intercept

• h the y-value specifying a horizontal line

• v the x-value specifying a vertical line

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

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

See Also

abline

Examples

gs <- gsplot()
gsNew <- points(gs, y=1, x=2, col="blue", pch=18, legend.name="Points")
gsNew <- lines(gsNew, c(3,4,3), c(2,4,6), legend.name="Lines")
gsNew <- abline(gsNew, b=1, a=0, legend.name="1:1")
gsNew <- legend(gsNew, location="topleft",title="Awesome!")
gsNew

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