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roundExtent rounds the coordinates of the extent of a Raster* to a number of digits specified.
This can be useful when dealing with a small inprecision in the data (e.g. 179.9999 instead of 180).
nudgeCoords takes the floor (lower integer) of the mimumum x and y of the exent and the ceiling (upper integer)
of the maximum x and y of the extent. Thus returning a RasterLayer with an extent of rounded coordinates and that
always includes the original extent. This can be useful when creating raster objects based on the extent of other objects.roundExtent(object, digits=0)
nudgeExtent(object)r <- raster(xmn=0.999999, xmx=10.000011, ymn=-60, ymx=60)
r <- roundExtent(r, 2)
r <- nudgeExtent(r)Run the code above in your browser using DataLab