Last data update: 2014.03.03
R: Draw a line or polygon
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
Results