drawExtent

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Create an Extent object by drawing on a map

Click on two points of a plot (map) to obtain an object of class Extent ('bounding box')

Keywords
spatial
Usage
drawExtent(show=TRUE, col="red")
Arguments
show

logical. If TRUE, the extent will be drawn on the map

col

sets the color of the lines of the extent

Value

Extent

Aliases
  • drawExtent
Examples
library(raster) # NOT RUN { r1 <- raster(nrow=10, ncol=10) r1[] <- runif(ncell(r1)) plot(r1) # after running the following line, click on the map twice e <- drawExtent() # after running the following line, click on the map twice mean(values(crop(r1, drawExtent()))) # }
Documentation reproduced from package raster, version 2.6-7, License: GPL (>= 3)

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