Access to selected functions found in 'liblwgeom' < https://github.com/postgis/postgis/tree/svn-trunk/liblwgeom>, the light-weight geometry library used by 'PostGIS' < http://postgis.net/>.
check for user interrupts on
st_geod_distance, #29 by Dan Baston
st_astext for fast WKT writing, #25 by Etienne Racine
st_is_polygon_cw, #21 by Andy Teucher @ateucher; add Andy Teucher to contributors
st_perimeter_2d functions to compute the length measurement of the boundary of a surface.
st_transform_proj to take two proj4 strings as crs, as
c(input_p4s, output_p4s), ignoring the CRS of x
st_geod_covered_bybinary geometry predicate
attempt to fix Solaris and OSX
report proj.4 and GEOS versions on startup, and on
add minimum bounding circle, by @rundel; #7
st_subdivide, see https://github.com/r-spatial/sf/issues/597