R: Draw a line or polygon

draw {raster} | R Documentation

## Draw a line or polygon

### Description

Draw a line or polygon on a plot (map) and save it for later use. After calling the function, start clicking on the map. To finish, right-click and select 'stop'.

### Usage

    drawPoly(sp=TRUE, col='red', lwd=2, ...)
    drawLine(sp=TRUE, col='red', lwd=2, ...)

### Arguments

`sp` | logical. If `TRUE`, the output will be a sp object (SpatialPolygons or SpatialLines). Otherwise a matrix of coordinates is returned
`col` | the color of the lines to be drawn
`lwd` | the width of the lines to be drawn
`...` | additional arguments padded to locator

### Value

If `sp==TRUE` a SpatialPolygons or SpatialLines object; otherwise a matrix of coordinates

### See Also

`locator`

[Package raster version 2.5-8 Index]