Bindings to Selected 'liblwgeom' Functions for Simple Features


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Documentation for package ‘lwgeom’ version 0.2-14

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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