alignExtent
From raster v2.9-5
by Robert Hijmans
Align an extent (object of class Extent)
Align an Extent object with the (boundaries of the) cells of a Raster* object
- Keywords
- spatial
Usage
alignExtent(extent, object, snap='near')
Arguments
- extent
Extent object
- object
Raster* object
- snap
Character. One of 'near', 'in', or 'out', to determine in which direction the extent should be aligned. To the nearest border, inwards or outwards
Details
Aligning an Extent object to another object assures that it gets the same origin and resolution. This should only be used to adjust objects because of imprecision in the data. alignExtent should not be used to force data to match that really does not match (use e.g. resample
or (dis)aggregate for this).
Value
Extent object
See Also
Examples
# NOT RUN {
r <- raster()
e <- extent(-10.1, 9.9, -20.1, 19.9)
ea <- alignExtent(e, r)
e
extent(r)
ea
# }
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