Mateusz Łoskot <mateusz <at> loskot.net> writes: > > On 23 June 2014 03:32, Jeremy Palmer <JPalmer <at> linz.govt.nz> wrote: > > > > Is this a bug in the data from the service, or just the way the Esri defines geometry objects (and therefor an > OGR bug)? > > AFAIU, this is not a bug in OGR, but OGR GeoJSON drivers works with > GeoJSON format > whereas JSON produced by ESRI is a different format, not GeoJSON. > > > I can’t see a definition for multi-polygons in Esri API docs: > > > > http://resources.arcgis.com/en/help/arcgis-rest-api/index.html#//02r3000000n1000000 > > Can you? > There is no geometry of multipolygon specified. > AFAIU, for multipolygon ESRI REST produces a hybrid: a Polygon that > contains detached rings > (or rings not in other rings, so they are not holes) and that is > interpreted as multipolygon. > > Fun.
Based on http://help.arcgis.com/en/webapi/flex/apiref/com/esri/ags/geometry/Polygon.html when geometries are built the ring is first added and by doing "Contais" ESRI decides if the ring is a hole or another outer ring. -Jukka Rahkonen- _______________________________________________ gdal-dev mailing list gdal-dev@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/gdal-dev