# Simple Features for R

## Documentation for package ‘sf’ version 0.9-5

- DESCRIPTION file.
- User guides, package vignettes and other documentation.
- Code demos. Use demo() to run them.

## Help Pages

A B C D E F G H I L M N O P R S T U V W misc

## -- A --

aggregate | aggregate an 'sf' object
aggregate.sf | aggregate an 'sf' object
anti_join.sf | Tidyverse methods for sf objects (remove .sf suffix!)
arrange.sf | Tidyverse methods for sf objects (remove .sf suffix!)
as | Methods to coerce simple features to Spatial* and 'Spatial*DataFrame' objects
as.matrix.sfg | Create simple feature from a numeric vector, matrix or list
as.matrix.sgbp | Methods for dealing with sparse geometry binary predicate lists
as_Spatial | Methods to coerce simple features to Spatial* and 'Spatial*DataFrame' objects

## -- B --

bind | Bind rows (features) of sf objects

## -- C --

c.sfg | Create simple feature from a numeric vector, matrix or list
cbind.sf | Bind rows (features) of sf objects
coerce-method | Methods to coerce simple features to Spatial* and 'Spatial*DataFrame' objects

## -- D --

dbDataType-method | Determine database type for R vector
dbWriteTable-method | Write simple features object to file or database
db_drivers | Drivers for which update should be 'TRUE' by default
dim.sgbp | Methods for dealing with sparse geometry binary predicate lists
distinct.sf | Tidyverse methods for sf objects (remove .sf suffix!)

## -- E --

extension_map | Map extension to driver

## -- F --

filter.sf | Tidyverse methods for sf objects (remove .sf suffix!)
format.bbox | Return bounding of a simple feature or simple feature set
format.crs | Retrieve coordinate reference system from object
format.sfg | Create simple feature from a numeric vector, matrix or list
full_join.sf | Tidyverse methods for sf objects (remove .sf suffix!)

## -- G --

gather.sf | Tidyverse methods for sf objects (remove .sf suffix!)
gdal | functions to interact with gdal not meant to be called directly by users (but e.g. by stars::read_stars)
gdal_crs | functions to interact with gdal not meant to be called directly by users (but e.g. by stars::read_stars)
gdal_inv_geotransform | functions to interact with gdal not meant to be called directly by users (but e.g. by stars::read_stars)
gdal_metadata | functions to interact with gdal not meant to be called directly by users (but e.g. by stars::read_stars)
gdal_polygonize | functions to interact with gdal not meant to be called directly by users (but e.g. by stars::read_stars)
gdal_rasterize | functions to interact with gdal not meant to be called directly by users (but e.g. by stars::read_stars)
gdal_read | functions to interact with gdal not meant to be called directly by users (but e.g. by stars::read_stars)
gdal_subdatasets | functions to interact with gdal not meant to be called directly by users (but e.g. by stars::read_stars)
gdal_utils | Native interface to gdal utils
gdal_write | functions to interact with gdal not meant to be called directly by users (but e.g. by stars::read_stars)
geos_binary_ops | Geometric operations on pairs of simple feature geometry sets
geos_binary_pred | Geometric binary predicates on pairs of simple feature geometry sets
geos_combine | Combine or union feature geometries
geos_measures | Compute geometric measurements
geos_query | Dimension, simplicity, validity or is_empty queries on simple feature geometries
geos_unary | Geometric unary operations on simple feature geometry sets
get_key_pos | plot sf object
group_by.sf | Tidyverse methods for sf objects (remove .sf suffix!)

## -- H --

head.sfg | Create simple feature from a numeric vector, matrix or list

## -- I --

inner_join.sf | Tidyverse methods for sf objects (remove .sf suffix!)
internal | Internal functions
is.na.bbox | Return bounding of a simple feature or simple feature set
is.na.crs | Retrieve coordinate reference system from object
is.na.m_range | Return 'm' range of a simple feature or simple feature set
is.na.z_range | Return 'z' range of a simple feature or simple feature set
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

## -- L --

left_join.sf | Tidyverse methods for sf objects (remove .sf suffix!)

## -- M --

merge.sf | merge method for sf and data.frame object
mutate.sf | Tidyverse methods for sf objects (remove .sf suffix!)

## -- N --

NA_agr_ | get or set relation_to_geometry attribute of an 'sf' object
NA_bbox_ | Return bounding of a simple feature or simple feature set
NA_crs_ | Retrieve coordinate reference system from object
NA_m_range_ | Return 'm' range of a simple feature or simple feature set
NA_z_range_ | Return 'z' range of a simple feature or simple feature set
nc | North Carolina SIDS data
nest.sf | Tidyverse methods for sf objects (remove .sf suffix!)

## -- O --

obj_sum.sfc | Summarize simple feature type for tibble
Ops | S3 Ops Group Generic Functions for simple feature geometries
Ops.sfc | S3 Ops Group Generic Functions for simple feature geometries
Ops.sfg | S3 Ops Group Generic Functions for simple feature geometries

## -- P --

pillar_shaft.sfc | Summarize simple feature type for tibble
plot | plot sf object
plot.sf | plot sf object
plot.sfc_CIRCULARSTRING | plot sf object
plot.sfc_GEOMETRY | plot sf object
plot.sfc_GEOMETRYCOLLECTION | plot sf object
plot.sfc_LINESTRING | plot sf object
plot.sfc_MULTILINESTRING | plot sf object
plot.sfc_MULTIPOINT | plot sf object
plot.sfc_MULTIPOLYGON | plot sf object
plot.sfc_POINT | plot sf object
plot.sfc_POLYGON | plot sf object
plot.sfg | plot sf object
plot_sf | plot sf object
prefix_map | Map prefix to driver
print.sf | Create sf object
print.sfg | Create simple feature from a numeric vector, matrix or list
print.sgbp | Methods for dealing with sparse geometry binary predicate lists

## -- R --

rawToHex | Convert raw vector(s) into hexadecimal character string(s)
rbind.sf | Bind rows (features) of sf objects
read_sf | Read simple features or layers from file or database
rename.sf | Tidyverse methods for sf objects (remove .sf suffix!)
right_join.sf | Tidyverse methods for sf objects (remove .sf suffix!)

## -- S --

s2 | functions for spherical geometry, using s2 package
sample_frac.sf | Tidyverse methods for sf objects (remove .sf suffix!)
sample_n.sf | Tidyverse methods for sf objects (remove .sf suffix!)
select.sf | Tidyverse methods for sf objects (remove .sf suffix!)
semi_join.sf | Tidyverse methods for sf objects (remove .sf suffix!)
separate.sf | Tidyverse methods for sf objects (remove .sf suffix!)
separate_rows.sf | Tidyverse methods for sf objects (remove .sf suffix!)
sf | Create sf object
sf-defunct | Deprecated functions in 'sf'
sf.colors | plot sf object
sfc | Create simple feature geometry list column
sf_add_proj_units | directly transform a set of coordinates
sf_extSoftVersion | Provide the external dependencies versions of the libraries linked to sf
sf_project | directly transform a set of coordinates
sf_proj_info | Transform or convert coordinates of simple feature
sf_use_s2 | functions for spherical geometry, using s2 package
sgbp | Methods for dealing with sparse geometry binary predicate lists
slice.sf | Tidyverse methods for sf objects (remove .sf suffix!)
spread.sf | Tidyverse methods for sf objects (remove .sf suffix!)
st | Create simple feature from a numeric vector, matrix or list
stars | functions only exported to be used internally by stars
st_agr | get or set relation_to_geometry attribute of an 'sf' object
st_agr<- | get or set relation_to_geometry attribute of an 'sf' object
st_area | Compute geometric measurements
st_area.sfc | Compute geometric measurements
st_as_binary | Convert sfc object to an WKB object
st_as_binary.sfc | Convert sfc object to an WKB object
st_as_binary.sfg | Convert sfc object to an WKB object
st_as_grob | Convert sf* object to a grob
st_as_s2 | functions for spherical geometry, using s2 package
st_as_s2.sf | functions for spherical geometry, using s2 package
st_as_s2.sfc | functions for spherical geometry, using s2 package
st_as_sf | Convert foreign object to an sf object
st_as_sf.data.frame | Convert foreign object to an sf object
st_as_sf.lpp | Convert foreign object to an sf object
st_as_sf.map | Convert foreign object to an sf object
st_as_sf.ppp | Convert foreign object to an sf object
st_as_sf.psp | Convert foreign object to an sf object
st_as_sf.sf | Convert foreign object to an sf object
st_as_sf.sfc | Convert foreign object to an sf object
st_as_sf.Spatial | Convert foreign object to an sf object
st_as_sfc | Convert foreign geometry object to an sfc object
st_as_sfc.bbox | Convert foreign geometry object to an sfc object
st_as_sfc.blob | Convert foreign geometry object to an sfc object
st_as_sfc.character | Convert foreign geometry object to an sfc object
st_as_sfc.factor | Convert foreign geometry object to an sfc object
st_as_sfc.list | Convert foreign geometry object to an sfc object
st_as_sfc.map | Convert foreign geometry object to an sfc object
st_as_sfc.pq_geometry | Convert foreign geometry object to an sfc object
st_as_sfc.raw | Convert foreign geometry object to an sfc object
st_as_sfc.s2_geography | functions for spherical geometry, using s2 package
st_as_sfc.SpatialLines | Convert foreign geometry object to an sfc object
st_as_sfc.SpatialMultiPoints | Convert foreign geometry object to an sfc object
st_as_sfc.SpatialPixels | Convert foreign geometry object to an sfc object
st_as_sfc.SpatialPoints | Convert foreign geometry object to an sfc object
st_as_sfc.SpatialPolygons | Convert foreign geometry object to an sfc object
st_as_sfc.WKB | Convert foreign geometry object to an sfc object
st_as_sfc.wk_wkb | functions for spherical geometry, using s2 package
st_as_text | Return Well-known Text representation of simple feature geometry or coordinate reference system
st_as_text.crs | Return Well-known Text representation of simple feature geometry or coordinate reference system
st_as_text.sfc | Return Well-known Text representation of simple feature geometry or coordinate reference system
st_as_text.sfg | Return Well-known Text representation of simple feature geometry or coordinate reference system
st_axis_order | Retrieve coordinate reference system from object
st_bbox | Return bounding of a simple feature or simple feature set
st_bbox.CIRCULARSTRING | Return bounding of a simple feature or simple feature set
st_bbox.COMPOUNDCURVE | Return bounding of a simple feature or simple feature set
st_bbox.CURVEPOLYGON | Return bounding of a simple feature or simple feature set
st_bbox.Extent | Return bounding of a simple feature or simple feature set
st_bbox.GEOMETRYCOLLECTION | Return bounding of a simple feature or simple feature set
st_bbox.LINESTRING | Return bounding of a simple feature or simple feature set
st_bbox.MULTICURVE | Return bounding of a simple feature or simple feature set
st_bbox.MULTILINESTRING | Return bounding of a simple feature or simple feature set
st_bbox.MULTIPOINT | Return bounding of a simple feature or simple feature set
st_bbox.MULTIPOLYGON | Return bounding of a simple feature or simple feature set
st_bbox.MULTISURFACE | Return bounding of a simple feature or simple feature set
st_bbox.numeric | Return bounding of a simple feature or simple feature set
st_bbox.POINT | Return bounding of a simple feature or simple feature set
st_bbox.POLYGON | Return bounding of a simple feature or simple feature set
st_bbox.POLYHEDRALSURFACE | Return bounding of a simple feature or simple feature set
st_bbox.Raster | Return bounding of a simple feature or simple feature set
st_bbox.sf | Return bounding of a simple feature or simple feature set
st_bbox.sfc | Return bounding of a simple feature or simple feature set
st_bbox.Spatial | Return bounding of a simple feature or simple feature set
st_bbox.TIN | Return bounding of a simple feature or simple feature set
st_bbox.TRIANGLE | Return bounding of a simple feature or simple feature set
st_bind_cols | Bind rows (features) of sf objects
st_boundary | Geometric unary operations on simple feature geometry sets
st_buffer | Geometric unary operations on simple feature geometry sets
st_cast | Cast geometry to another type: either simplify, or cast explicitly
st_cast.CIRCULARSTRING | Cast geometry to another type: either simplify, or cast explicitly
st_cast.COMPOUNDCURVE | Cast geometry to another type: either simplify, or cast explicitly
st_cast.CURVE | Cast geometry to another type: either simplify, or cast explicitly
st_cast.GEOMETRYCOLLECTION | Cast geometry to another type: either simplify, or cast explicitly
st_cast.LINESTRING | Cast geometry to another type: either simplify, or cast explicitly
st_cast.MULTICURVE | Cast geometry to another type: either simplify, or cast explicitly
st_cast.MULTILINESTRING | Cast geometry to another type: either simplify, or cast explicitly
st_cast.MULTIPOINT | Cast geometry to another type: either simplify, or cast explicitly
st_cast.MULTIPOLYGON | Cast geometry to another type: either simplify, or cast explicitly
st_cast.MULTISURFACE | Cast geometry to another type: either simplify, or cast explicitly
st_cast.POINT | Cast geometry to another type: either simplify, or cast explicitly
st_cast.POLYGON | Cast geometry to another type: either simplify, or cast explicitly
st_cast.sf | Cast geometry to another type: either simplify, or cast explicitly
st_cast.sfc | Cast geometry to another type: either simplify, or cast explicitly
st_cast.sfc_CIRCULARSTRING | Cast geometry to another type: either simplify, or cast explicitly
st_cast_sfc_default | Coerce geometry to MULTI* geometry
st_centroid | Geometric unary operations on simple feature geometry sets
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_collection_extract.sf | Given an object with geometries of type 'GEOMETRY' or 'GEOMETRYCOLLECTION', return an object consisting only of elements of the specified type.
st_collection_extract.sfc | Given an object with geometries of type 'GEOMETRY' or 'GEOMETRYCOLLECTION', return an object consisting only of elements of the specified type.
st_collection_extract.sfg | Given an object with geometries of type 'GEOMETRY' or 'GEOMETRYCOLLECTION', return an object consisting only of elements of the specified type.
st_combine | Combine or union feature geometries
st_contains | Geometric binary predicates on pairs of simple feature geometry sets
st_contains_properly | Geometric binary predicates on pairs of simple feature geometry sets
st_convex_hull | Geometric unary operations on simple feature geometry sets
st_coordinates | retrieve coordinates in matrix form
st_covered_by | Geometric binary predicates on pairs of simple feature geometry sets
st_covers | Geometric binary predicates on pairs of simple feature geometry sets
st_crop | crop an sf object to a specific rectangle
st_crop.sf | crop an sf object to a specific rectangle
st_crop.sfc | crop an sf object to a specific rectangle
st_crosses | Geometric binary predicates on pairs of simple feature geometry sets
st_crs | Retrieve coordinate reference system from object
st_crs.bbox | Retrieve coordinate reference system from object
st_crs.character | Retrieve coordinate reference system from object
st_crs.CRS | Retrieve coordinate reference system from object
st_crs.crs | Retrieve coordinate reference system from object
st_crs.numeric | Retrieve coordinate reference system from object
st_crs.sf | Retrieve coordinate reference system from object
st_crs.sfc | Retrieve coordinate reference system from object
st_crs<- | Retrieve coordinate reference system from object
st_crs<-.sf | Retrieve coordinate reference system from object
st_crs<-.sfc | Retrieve coordinate reference system from object
st_difference | Geometric operations on pairs of simple feature geometry sets
st_difference.sfc | Geometric operations on pairs of simple feature geometry sets
st_dimension | Dimension, simplicity, validity or is_empty queries on simple feature geometries
st_disjoint | Geometric binary predicates on pairs of simple feature geometry sets
st_distance | Compute geometric measurements
st_drivers | Get GDAL drivers
st_drop_geometry | Get, set, or replace geometry from an sf object
st_equals | Geometric binary predicates on pairs of simple feature geometry sets
st_equals_exact | Geometric binary predicates on pairs of simple feature geometry sets
st_filter | spatial join, spatial filter
st_filter.sf | spatial join, spatial filter
st_geometry | Get, set, or replace geometry from an sf object
st_geometry.sf | Get, set, or replace geometry from an sf object
st_geometry.sfc | Get, set, or replace geometry from an sf object
st_geometry.sfg | Get, set, or replace geometry from an sf object
st_geometry<- | Get, set, or replace geometry from an sf object
st_geometrycollection | Create simple feature from a numeric vector, matrix or list
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_intersection | Geometric operations on pairs of simple feature geometry sets
st_intersection.sf | Geometric operations on pairs of simple feature geometry sets
st_intersection.sfc | Geometric operations on pairs of simple feature geometry sets
st_intersects | Geometric binary predicates on pairs of simple feature geometry sets
st_is | test equality between the geometry type and a class or set of classes
st_is_empty | Dimension, simplicity, validity or is_empty queries on simple feature geometries
st_is_longlat | Assert whether simple feature coordinates are longlat degrees
st_is_simple | Dimension, simplicity, validity or is_empty queries on simple feature geometries
st_is_valid | Check validity or make an invalid geometry valid
st_is_valid.sf | Check validity or make an invalid geometry valid
st_is_valid.sfc | Check validity or make an invalid geometry valid
st_is_valid.sfg | Check validity or make an invalid geometry valid
st_is_within_distance | Geometric binary predicates on pairs of simple feature geometry sets
st_jitter | jitter geometries
st_join | spatial join, spatial filter
st_join.sf | spatial join, spatial filter
st_layers | List layers in a datasource
st_length | Compute geometric measurements
st_linestring | Create simple feature from a numeric vector, matrix or list
st_line_merge | Geometric unary operations on simple feature geometry sets
st_line_sample | Sample points on a linear geometry
st_make_grid | Create a regular tesselation over the bounding box of an sf or sfc object
st_make_valid | Check validity or make an invalid geometry valid
st_make_valid.sfg | Check validity or make an invalid geometry valid
st_multilinestring | Create simple feature from a numeric vector, matrix or list
st_multipoint | Create simple feature from a numeric vector, matrix or list
st_multipolygon | Create simple feature from a numeric vector, matrix or list
st_m_range | Return 'm' range of a simple feature or simple feature set
st_m_range.CIRCULARSTRING | Return 'm' range of a simple feature or simple feature set
st_m_range.COMPOUNDCURVE | Return 'm' range of a simple feature or simple feature set
st_m_range.CURVEPOLYGON | Return 'm' range of a simple feature or simple feature set
st_m_range.GEOMETRYCOLLECTION | Return 'm' range of a simple feature or simple feature set
st_m_range.LINESTRING | Return 'm' range of a simple feature or simple feature set
st_m_range.MULTICURVE | Return 'm' range of a simple feature or simple feature set
st_m_range.MULTILINESTRING | Return 'm' range of a simple feature or simple feature set
st_m_range.MULTIPOINT | Return 'm' range of a simple feature or simple feature set
st_m_range.MULTIPOLYGON | Return 'm' range of a simple feature or simple feature set
st_m_range.MULTISURFACE | Return 'm' range of a simple feature or simple feature set
st_m_range.numeric | Return 'm' range of a simple feature or simple feature set
st_m_range.POINT | Return 'm' range of a simple feature or simple feature set
st_m_range.POLYGON | Return 'm' range of a simple feature or simple feature set
st_m_range.POLYHEDRALSURFACE | Return 'm' range of a simple feature or simple feature set
st_m_range.sf | Return 'm' range of a simple feature or simple feature set
st_m_range.sfc | Return 'm' range of a simple feature or simple feature set
st_m_range.TIN | Return 'm' range of a simple feature or simple feature set
st_m_range.TRIANGLE | Return 'm' range of a simple feature or simple feature set
st_nearest_feature | get index of nearest feature
st_nearest_points | get nearest points between pairs of geometries
st_nearest_points.sf | get nearest points between pairs of geometries
st_nearest_points.sfc | get nearest points between pairs of geometries
st_nearest_points.sfg | get nearest points between pairs of geometries
st_node | Geometric unary operations on simple feature geometry sets
st_normalize | Normalize simple features
st_overlaps | Geometric binary predicates on pairs of simple feature geometry sets
st_point | Create simple feature from a numeric vector, matrix or list
st_point_on_surface | Geometric unary operations on simple feature geometry sets
st_polygon | Create simple feature from a numeric vector, matrix or list
st_polygonize | Geometric unary operations on simple feature geometry sets
st_precision | Get precision
st_precision<- | Get precision
st_read | Read simple features or layers from file or database
st_read.character | Read simple features or layers from file or database
st_read.DBIObject | Read simple features or layers from file or database
st_read_db | Deprecated functions in 'sf'
st_read_db, | Deprecated functions in 'sf'
st_relate | Compute DE9-IM relation between pairs of geometries, or match it to a given pattern
st_reverse | Geometric unary operations on simple feature geometry sets
st_sample | sample points on or in (sets of) spatial features
st_sample.sf | sample points on or in (sets of) spatial features
st_sample.sfc | sample points on or in (sets of) spatial features
st_sample.sfg | sample points on or in (sets of) spatial features
st_segmentize | Geometric unary operations on simple feature geometry sets
st_set_agr | get or set relation_to_geometry attribute of an 'sf' object
st_set_crs | Retrieve coordinate reference system from object
st_set_geometry | Get, set, or replace geometry from an sf object
st_set_precision | Get precision
st_sf | Create sf object
st_sfc | Create simple feature geometry list column
st_shift_longitude | Shift or re-center geographical coordinates for a Pacific view
st_shift_longitude.sf | Shift or re-center geographical coordinates for a Pacific view
st_shift_longitude.sfc | Shift or re-center geographical coordinates for a Pacific view
st_simplify | Geometric unary operations on simple feature geometry sets
st_snap | Geometric operations on pairs of simple feature geometry sets
st_sym_difference | Geometric operations on pairs of simple feature geometry sets
st_touches | Geometric binary predicates on pairs of simple feature geometry sets
st_transform | Transform or convert coordinates of simple feature
st_transform.sf | Transform or convert coordinates of simple feature
st_transform.sfc | Transform or convert coordinates of simple feature
st_transform.sfg | Transform or convert coordinates of simple feature
st_triangulate | Geometric unary operations on simple feature geometry sets
st_union | Combine or union feature geometries
st_viewport | Create viewport from sf, sfc or sfg object
st_voronoi | Geometric unary operations on simple feature geometry sets
st_within | Geometric binary predicates on pairs of simple feature geometry sets
st_wrap_dateline | Transform or convert coordinates of simple feature
st_wrap_dateline.sf | Transform or convert coordinates of simple feature
st_wrap_dateline.sfc | Transform or convert coordinates of simple feature
st_wrap_dateline.sfg | Transform or convert coordinates of simple feature
st_write | Write simple features object to file or database
st_write.data.frame | Write simple features object to file or database
st_write.sf | Write simple features object to file or database
st_write.sfc | Write simple features object to file or database
st_write_db | Deprecated functions in 'sf'
st_zm | Drop or add Z and/or M dimensions from feature geometries
st_z_range | Return 'z' range of a simple feature or simple feature set
st_z_range.CIRCULARSTRING | Return 'z' range of a simple feature or simple feature set
st_z_range.COMPOUNDCURVE | Return 'z' range of a simple feature or simple feature set
st_z_range.CURVEPOLYGON | Return 'z' range of a simple feature or simple feature set
st_z_range.GEOMETRYCOLLECTION | Return 'z' range of a simple feature or simple feature set
st_z_range.LINESTRING | Return 'z' range of a simple feature or simple feature set
st_z_range.MULTICURVE | Return 'z' range of a simple feature or simple feature set
st_z_range.MULTILINESTRING | Return 'z' range of a simple feature or simple feature set
st_z_range.MULTIPOINT | Return 'z' range of a simple feature or simple feature set
st_z_range.MULTIPOLYGON | Return 'z' range of a simple feature or simple feature set
st_z_range.MULTISURFACE | Return 'z' range of a simple feature or simple feature set
st_z_range.numeric | Return 'z' range of a simple feature or simple feature set
st_z_range.POINT | Return 'z' range of a simple feature or simple feature set
st_z_range.POLYGON | Return 'z' range of a simple feature or simple feature set
st_z_range.POLYHEDRALSURFACE | Return 'z' range of a simple feature or simple feature set
st_z_range.sf | Return 'z' range of a simple feature or simple feature set
st_z_range.sfc | Return 'z' range of a simple feature or simple feature set
st_z_range.TIN | Return 'z' range of a simple feature or simple feature set
st_z_range.TRIANGLE | Return 'z' range of a simple feature or simple feature set
summarise | Tidyverse methods for sf objects (remove .sf suffix!)
summarise.sf | Tidyverse methods for sf objects (remove .sf suffix!)
summary.sfc | Summarize simple feature column

## -- T --

t.sgbp | Methods for dealing with sparse geometry binary predicate lists
tibble | Summarize simple feature type for tibble
tidyverse | Tidyverse methods for sf objects (remove .sf suffix!)
transform.sf | transform method for sf objects
transmute.sf | Tidyverse methods for sf objects (remove .sf suffix!)
type_sum.sfc | Summarize simple feature type for tibble

## -- U --

ungroup.sf | Tidyverse methods for sf objects (remove .sf suffix!)
unite.sf | Tidyverse methods for sf objects (remove .sf suffix!)
unnest.sf | Tidyverse methods for sf objects (remove .sf suffix!)

## -- V --

valid | Check validity or make an invalid geometry valid
vctrs | vctrs methods for sf objects
vec_cast.sfc | vctrs methods for sf objects
vec_cast.sfc.default | vctrs methods for sf objects
vec_cast.sfc.sfc | vctrs methods for sf objects
vec_ptype2.sfc | vctrs methods for sf objects
vec_ptype2.sfc.default | vctrs methods for sf objects
vec_ptype2.sfc.sfc | vctrs methods for sf objects

## -- W --

write_sf | Write simple features object to file or database

## -- misc --

$.crs | Retrieve coordinate reference system from object
.degAxis | functions only exported to be used internally by stars
.get_layout | functions only exported to be used internally by stars
.image_scale | functions only exported to be used internally by stars
.image_scale_factor | functions only exported to be used internally by stars
.stop_geos | Internal functions
[.sf | Create sf object