| bounding_circle | Generate the minimum bounding circle |
| geod | liblwgeom geodetic functions |
| lwgeom_extSoftVersion | Provide the external dependencies versions of the libraries linked to sf |
| lwgeom_make_valid | Make an invalid geometry valid |
| perimeter | compute perimeter from polygons or other geometries |
| st_asewkt | Return Well-known Text representation of simple feature geometry |
| st_astext | Return Well-known Text representation of simple feature geometry |
| st_as_sfc.TWKB | create sfc object from tiny well-known binary (twkb) |
| st_endpoint | Return the start and end points from lines |
| st_force_polygon_cw | Force a POLYGON or MULTIPOLYGON to be clockwise |
| 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 |
| st_is_polygon_cw | Check if a POLYGON or MULTIPOLYGON is clockwise |
| st_linesubstring | get substring from linestring |
| st_minimum_bounding_circle | Generate the minimum bounding circle |
| st_perimeter | compute perimeter from polygons or other geometries |
| st_perimeter_2d | compute perimeter from polygons or other geometries |
| st_perimeter_lwgeom | compute perimeter from polygons or other geometries |
| st_snap_to_grid | Snap geometries to a grid |
| st_split | Return a collection of geometries resulting by splitting a geometry |
| st_startpoint | Return the start and end points from lines |
| 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 (bypassing GDAL) |
| st_transform_proj.sf | Transform or convert coordinates of simple features directly with Proj.4 (bypassing GDAL) |
| st_transform_proj.sfc | Transform or convert coordinates of simple features directly with Proj.4 (bypassing GDAL) |
| st_transform_proj.sfg | Transform or convert coordinates of simple features directly with Proj.4 (bypassing GDAL) |
| st_wrap_x | Splits input geometries by a vertical line and moves components falling on one side of that line by a fixed amount |