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R Classes and Methods for Spatial Data. Note that this package will (slowly) be deprecated, in favor of packagesf. It is in maintenance mode, and currently requiressf for coordinate reference system validation and coordinate transformation, conversion and (re)projection.

From version 2.2-0,sp has dropped the export of a compiled C API formerly used byrgdal andrgeos

From version 2.1-0,sp has droppedmaptools,rgdal andrgeos as suggested packages.

From version 2.0-0,sp evolution status is changed to2L to usesf internally in place ofrgdal, from default0L until now. Seethis report for adaptation details, andthis report for progress on retiringmaptools,rgdal andrgeos.

Beforesp is loaded,options("sp_evolution_status") may be set to0L for legacy behaviour,1L for settingCRS(, doCheckCRSArgs=FALSE, ) and other minor steps to block calls out torgdal etc., and2L to usesf internally. If this option is not set, the environment variable_SP_EVOLUTION_STATUS_ can be used, againbeforesp is loaded, set to"0","1" or"2"; this is used for running revdep checks under different evolution scenarios, anticipatingretirement of maptools, rgdal and rgeos.

Fromsp 1.6.0 published on CRAN 2023-01-19, these status settings may also be changed whensp is loaded, usingsp::get_evolution_status() returning the current value, andsp::set_evolution_status(value), where value can take the integer values0L,1L and2L.sp 1.6.1 published on CRAN 2023-05-25 added start-up messages to alert users to imminent changes.

See:

• Pebesma, E.J., R.S. Bivand, 2005. Classes and methods for spatial data in R.R News 5 (2).
• Roger S. Bivand, Edzer Pebesma, Virgilio Gómez-Rubio, 2013. Applied Spatial DataAnalysis with R,Second edition. Springer, NY.
• an spmaps gallery.