[geos-devel] Spatial Relationships

Mateusz Loskot mateusz at loskot.net
Sat Jun 27 18:23:48 EDT 2009


Jo wrote:
> Hi,
> Does anybody know a good website with clear examples and definitions of
> spatial relationships, such as Touching, Crossing, etc?
> (apart from the OGC spec, that didnt help me that much..)

Jo,

The JTS (GEOS' father) has a very good test suite with
visual presentation of validated cases:

http://www.vividsolutions.com/jts/tests/index.html

Best regards,
-- 
Mateusz Loskot, http://mateusz.loskot.net
Charter Member of OSGeo, http://osgeo.org


More information about the geos-devel mailing list