Maximum extent of multiple rasters
returns a extent polygon representing maximum extent of input rasters
max_extent(x, ...)
x |
raster class object |
... |
additional raster class objects |
a SpatialPolygons sp class object
Creates a maximum extent polygon of all specified rasters
Jeffrey S. Evans <jeffrey_evans@tnc.org>
library(raster) r1 <- raster(extent(61.87125, 76.64458, 23.90153, 37.27042)) r2 <- raster(extent(67.66625, 81.56847, 20.38458, 35.67347)) r3 <- raster(extent(72.64792,84.38125,5.91125,28.13347 )) ( e <- max_extent(r1, r2, r3) ) plot(e) plot(as(extent(r1),"SpatialPolygons"),col="red",add=TRUE) plot(as(extent(r2),"SpatialPolygons"),col="red",add=TRUE) plot(as(extent(r3),"SpatialPolygons"),col="red",add=TRUE)
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