Interface to Geometry Engine - Open Source (GEOS) using the C API for topology operations on geometries.

for building from source: GEOS from
http://trac.osgeo.org/geos/; GEOS OSX frameworks built by
William Kyngesburye at http://www.kyngchaos.com/ may be used
for source installs on OSX.

maptools (>= 0.8-5), testthat, plyr, stringr, XML

Interface to Geometry Engine - Open Source (GEOS) using
the C API for topology operations on geometries. The GEOS
library is external to the package, and, when installing the
package from source, must be correctly installed first. Windows
and Mac Intel OS X binaries are provided on CRAN.
c( person("Roger", "Bivand", role = c("cre", "aut"), email =
"Roger.Bivand@nhh.no"), person("Colin", "Rundel", role =
"aut"), person("Edzer", "Pebesma", role = "ctb"), person("Karl
Ove", "Hufthammer", role = "ctb"))
Roger Bivand [cre, aut], Colin Rundel [aut], Edzer Pebesma
[ctb], Karl Ove Hufthammer [ctb]

GEOS (>= 3.2.0); for building from source: GEOS
from http://trac.osgeo.org/geos/; GEOS OSX frameworks built by
William Kyngesburye at http://www.kyngchaos.com/ may be used
for source installs on OSX.

Interface to Geometry Engine - Open Source (GEOS) using the C API for topology operations on geometries. The GEOS library is external to the package, and, when installing the package from source, must be correctly installed first. Windows and Mac Intel OS X binaries are provided on CRAN.
c(
person("Roger", "Bivand", role = c("cre", "aut"), email = "Roger.Bivand@nhh.no"),
person("Colin", "Rundel", role = "aut"),
person("Edzer", "Pebesma", role = "ctb"),
person("Karl Ove", "Hufthammer", role = "ctb"))

Interface to Geometry Engine - Open Source (GEOS) using
the C API for topology operations on geometries. The GEOS
library is external to the package, and, when installing the
package from source, must be correctly installed first. Windows
binaries are provided on CRAN. Mac Intel OS X binaries are not
provided on CRAN, but can be installed from the CRAN Extras
repository with: setRepositories(ind=1:2);
install.packages('rgeos').