R: Circular Arc

darc {GEOmap} | R Documentation

## Circular Arc

### Description

Draw acircular arc from angle 1 to angle 2 at a given location.

### Usage

    darc(rad = 1, ang1 = 0, ang2 = 360, x1 = 0, y1 = 0, n = 1)

### Arguments

`rad` | radius
`ang1` | angle 1, degrees
`ang2` | angle 2, degrees
`x1` | x location, plot coordinates
`y1` | y location, plot coordinates
`n` | increment for number of segments, degrees

### Details

If angle1 > angle2 arc is drawn in opposite direction

### Value

list(x,y)

### Author(s)

Jonathan M. Lees<jonathan.lees@unc.edu>

### Examples

    plot(c(0,1), c(0,1), type='n', ann=FALSE, asp=1)

    A = darc(.3, 23, 47, .5, .5, n=1)

    lines(A$x, A$y)

[Package GEOmap version 2.4-0 Index]