alignExtent

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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

extent, drawExtent, Extent-class

Aliases
  • alignExtent
Examples
library(raster) # NOT RUN { r <- raster() e <- extent(-10.1, 9.9, -20.1, 19.9) ea <- alignExtent(e, r) e extent(r) ea # }
Documentation reproduced from package raster, version 2.6-7, License: GPL (>= 3)

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