Function reference • sf

All functions
`Ops(<sfg>)` `Ops(<sfc>)`	S3 Ops Group Generic Functions for simple feature geometries
`aggregate(<sf>)`	aggregate an `sf` object
`rbind(<sf>)` `cbind(<sf>)` `st_bind_cols()`	Bind rows (features) of sf objects
`as_Spatial()`	Methods to coerce simple features to `Spatial` and `SpatialDataFrame` objects
`dbDataType(<PostgreSQLConnection>,<sf>)` `dbDataType(<DBIObject>,<sf>)`	Determine database type for R vector
`db_drivers`	Drivers for which update should be `TRUE` by default
`extension_map`	Map extension to driver
`gdal_read()` `gdal_write()` `gdal_inv_geotransform()` `gdal_crs()` `gdal_metadata()` `gdal_subdatasets()` `gdal_polygonize()` `gdal_rasterize()`	functions to interact with gdal not meant to be called directly by users (but e.g. by stars::st_stars)
`gdal_utils()`	Native interface to gdal utils
`st_intersection()` `st_difference()` `st_sym_difference()` `st_snap()`	Geometric operations on pairs of simple feature geometry sets
`st_intersects()` `st_disjoint()` `st_touches()` `st_crosses()` `st_within()` `st_contains()` `st_contains_properly()` `st_overlaps()` `st_equals()` `st_covers()` `st_covered_by()` `st_equals_exact()` `st_is_within_distance()`	Geometric binary predicates on pairs of simple feature geometry sets
`st_combine()` `st_union()`	Combine or union feature geometries
`st_area()` `st_length()` `st_distance()`	Compute geometric measurements
`st_dimension()` `st_is_simple()` `st_is_empty()` `st_is_valid()`	Dimension, simplicity, validity or is_empty queries on simple feature geometries
`st_buffer()` `st_boundary()` `st_convex_hull()` `st_simplify()` `st_triangulate()` `st_voronoi()` `st_polygonize()` `st_line_merge()` `st_centroid()` `st_point_on_surface()` `st_reverse()` `st_node()` `st_segmentize()`	Geometric unary operations on simple feature geometry sets
`.stop_geos()`	Internal functions
`is_driver_available()`	Check if driver is available
`is_driver_can()`	Check if a driver can perform an action
`is_geometry_column()`	Check if the columns could be of a coercable type for sf
`merge(<sf>)`	merge method for sf and data.frame object
`nc`	North Carolina SIDS data
`plot(<sf>)` `get_key_pos()` `plot(<sfc_POINT>)` `plot(<sfc_MULTIPOINT>)` `plot(<sfc_LINESTRING>)` `plot(<sfc_CIRCULARSTRING>)` `plot(<sfc_MULTILINESTRING>)` `plot(<sfc_POLYGON>)` `plot(<sfc_MULTIPOLYGON>)` `plot(<sfc_GEOMETRYCOLLECTION>)` `plot(<sfc_GEOMETRY>)` `plot(<sfg>)` `plot_sf()` `sf.colors()`	plot sf object
`prefix_map`	Map prefix to driver
`rawToHex()`	Convert raw vector(s) into hexadecimal character string(s)
`st_read_db()`	Deprecated functions in `sf`
`st_sf()` `[`(<sf>) `print(<sf>)`	Create sf object
`sf_extSoftVersion()`	Provide the external dependencies versions of the libraries linked to sf
`sf_project()`	directly transform a set of coordinates
`st_sfc()`	Create simple feature geometry list column
`print(<sgbp>)` `t(<sgbp>)` `as.matrix(<sgbp>)` `dim(<sgbp>)`	Methods for dealing with sparse geometry binary predicate lists
`st_point()` `st_multipoint()` `st_linestring()` `st_polygon()` `st_multilinestring()` `st_multipolygon()` `st_geometrycollection()` `print(<sfg>)` `head(<sfg>)` `format(<sfg>)` `c(<sfg>)` `as.matrix(<sfg>)`	Create simple feature from a numeric vector, matrix or list
`NA_agr_` `st_agr()` `st_agr<-`() `st_set_agr()`	get or set relation_to_geometry attribute of an `sf` object
`st_as_binary()`	Convert sfc object to an WKB object
`st_as_grob()`	Convert sf* object to a grob
`st_as_sf()`	Convert foreign object to an sf object
`st_as_sfc()`	Convert foreign geometry object to an sfc object
`st_as_text()`	Return Well-known Text representation of simple feature geometry or coordinate reference system
`is.na(<bbox>)` `st_bbox()` `NA_bbox_` `format(<bbox>)`	Return bounding of a simple feature or simple feature set
`st_cast()`	Cast geometry to another type: either simplify, or cast explicitly
`st_cast_sfc_default()`	Coerce geometry to MULTI* geometry
`st_collection_extract()`	Given an object with geometries of type `GEOMETRY` or `GEOMETRYCOLLECTION`, return an object consisting only of elements of the specified type.
`st_coordinates()`	retrieve coordinates in matrix form
`st_crop()`	crop an sf object to a specific rectangle
`st_crs()` `st_crs<-`() `st_set_crs()` `NA_crs_` `is.na(<crs>)` `$`(<crs>) `format(<crs>)` `st_axis_order()`	Retrieve coordinate reference system from object
`st_drivers()`	Get GDAL drivers
`st_geometry()` `st_geometry<-`() `st_set_geometry()` `st_drop_geometry()`	Get, set, or replace geometry from an sf object
`st_geometry_type()`	Return geometry type of an object
`st_graticule()`	Compute graticules and their parameters
`st_interpolate_aw()`	Areal-weighted interpolation of polygon data
`st_is()`	test equality between the geometry type and a class or set of classes
`st_is_longlat()`	Assert whether simple feature coordinates are longlat degrees
`st_jitter()`	jitter geometries
`st_join()` `st_filter()`	spatial join, spatial filter
`st_layers()`	List layers in a datasource
`st_line_sample()`	Sample points on a linear geometry
`is.na(<m_range>)` `st_m_range()` `NA_m_range_`	Return 'm' range of a simple feature or simple feature set
`st_make_grid()`	Create a regular tesselation over the bounding box of an sf or sfc object
`st_nearest_feature()`	get index of nearest feature
`st_nearest_points()`	get nearest points between pairs of geometries
`st_normalize()`	Normalize simple features
`st_precision()` `st_set_precision()` `st_precision<-`()	Get precision
`st_read()` `read_sf()`	Read simple features or layers from file or database
`st_relate()`	Compute DE9-IM relation between pairs of geometries, or match it to a given pattern
`st_sample()`	sample points on or in (sets of) spatial features
`st_shift_longitude()`	Shift or re-center geographical coordinates for a Pacific view
`st_transform()` `sf_proj_info()` `st_wrap_dateline()`	Transform or convert coordinates of simple feature
`st_viewport()`	Create viewport from sf, sfc or sfg object
`st_write()` `write_sf()` `dbWriteTable(<PostgreSQLConnection>,<character>,<sf>)` `dbWriteTable(<DBIObject>,<character>,<sf>)`	Write simple features object to file or database
`is.na(<z_range>)` `st_z_range()` `NA_z_range_`	Return 'z' range of a simple feature or simple feature set
`st_zm()`	Drop or add Z and/or M dimensions from feature geometries
`.get_layout()` `.degAxis()` `.image_scale()` `.image_scale_factor()`	functions only exported to be used internally by stars
`summary(<sfc>)`	Summarize simple feature column
`type_sum.sfc()` `obj_sum.sfc()` `pillar_shaft.sfc()`	Summarize simple feature type for tibble
`filter.sf()` `arrange.sf()` `group_by.sf()` `ungroup.sf()` `mutate.sf()` `transmute.sf()` `select.sf()` `rename.sf()` `slice.sf()` `summarise.sf()` `distinct.sf()` `gather.sf()` `spread.sf()` `sample_n.sf()` `sample_frac.sf()` `nest.sf()` `separate.sf()` `separate_rows.sf()` `unite.sf()` `unnest.sf()` `inner_join.sf()` `left_join.sf()` `right_join.sf()` `full_join.sf()` `semi_join.sf()` `anti_join.sf()`	Tidyverse methods for sf objects (remove .sf suffix!)
`transform(<sf>)`	transform method for sf objects
`st_make_valid()`	Make an invalid geometry valid
`vec_ptype2.sfc()` `vec_cast.sfc()`	vctrs methods for sf objects

Reference

All functions