| bounding_circle | Generate the minimum bounding circle |
| lwgeom_extSoftVersion | Provide the external dependencies versions of the libraries linked to sf |
| lw_geodetic | liblwgeom geodetic functions |
| st_as_sfc.TWKB | create sfc object from tiny well-known binary (twkb) |
| st_geod_area | liblwgeom geodetic functions |
| st_geod_azimuth | compute azimuth between sequence of points |
| st_geod_covered_by | liblwgeom geodetic functions |
| st_geod_covers | liblwgeom geodetic functions |
| st_geod_distance | liblwgeom geodetic functions |
| st_geod_length | liblwgeom geodetic functions |
| st_geod_segmentize | liblwgeom geodetic functions |
| st_geohash | compute geohash from (average) coordinates (requires lwgeom) |
| st_make_valid | Make an invalid geometry valid |
| st_minimum_bounding_circle | Generate the minimum bounding circle |
| st_snap_to_grid | Snap geometries to a grid |
| st_split | Return a collection of geometries resulting by splitting a geometry |
| st_subdivide | Return a collection of geometries resulting by subdividing a geometry |
| st_transform_proj | Transform or convert coordinates of simple features directly with Proj.4 |
| st_transform_proj.sf | Transform or convert coordinates of simple features directly with Proj.4 |
| st_transform_proj.sfc | Transform or convert coordinates of simple features directly with Proj.4 |
| st_transform_proj.sfg | Transform or convert coordinates of simple features directly with Proj.4 |
| valid | Make an invalid geometry valid |