xline {fields} | R Documentation

## Draw a vertical line

### Description

Adds vertical lines in the plot region.

### Usage

    xline(x, ...)

### Arguments

`x` | Values on x axis specifying location of vertical lines.
`...` | Any ploting options for abline.

### See Also

yline, abline

### Examples

    plot( 1:10)
    xline( 6.5, col=2)

    world( col=3)
    yline( seq( -80,80,10),col=4, lty=2)
    xline( seq( -180,180,10),col=4,lty=2)
    yline( 0, lwd=2, col=4)

[Package fields version 5.02 Index]