version 0.1-5

• check for user interrupts on st_geod_distance, #29 by Dan Baston

• add st_astext for fast WKT writing, #25 by Etienne Racine

• add st_is_polygon_cw, #21 by Andy Teucher @ateucher; add Andy Teucher to contributors

• add st_perimeter and st_perimeter_2d functions to compute the length measurement of the boundary of a surface.

• allow st_transform_proj to take two proj4 strings as crs, as c(input_p4s, output_p4s), ignoring the CRS of x

version 0.1-4

• tries to fix the CRAN error for r-release-osx (datum files missing in sf; removed test)

version 0.1-3

• add st_geod_covered_by binary geometry predicate

version 0.1-2

• try to fix OSX compile on CRAN, tuning configure.ac

version 0.1-1

• add st_length

• attempt to fix Solaris and OSX

• report proj.4 and GEOS versions on startup, and on lwgeom_extSoftwareVersions; #10

• add minimum bounding circle, by @rundel; #7

• add st_subdivide, see https://github.com/r-spatial/sf/issues/597

version 0.1-0

• first CRAN submission