draw: 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