Description Usage Arguments Details Value Slots Note Author(s)
Class for defining domain of a field, or observed window for entities
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named parameter, containing
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In practice, spatial fields are defined for a limited domain. Spatial entities can form an exhaustive set for an area called the observed window. For both, the SExtent class is used to specify this area.
object of class SExtent
area
object of a subclass of Spatial
if area
is not of (a subclass of) class SpatialPolygons, SpatialPixels, or SpatialGrid, an error results.
Edzer Pebesma
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