is.projected {sp} | R Documentation |
Sets or retrieves projection attributes on classes extending SpatialData; set or retrieve option value for error or warning on exceedance of geographical coordinate range, set or retrieve option value for exceedance tolerance of geographical coordinate range
is.projected(obj) proj4string(obj) proj4string(obj) <- value get_ll_warn() get_ll_TOL() set_ll_warn(value) set_ll_TOL(value)
obj |
An object of class or extending Spatial-class |
value |
For |
proj4 strings are operative through CRAN package rgdal. For strings defined as “longlat”, the minimum longitude should be -180, the maximum longitude 360, the minimum latitude -90, and the maximum latitude 90
is.projected
returns a logical; proj4string
returns a character vector of length 1; spatial.dimension
returns the number of spatial dimensions (2 or 3).
Edzer Pebesma, edzer.pebesma@uni-muenster.de