draw: Draw a line or polygon

In raster: Geographic Data Analysis and Modeling

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

raster documentation built on Jan. 5, 2021, 3:01 a.m.