Andrea Aime wrote: > Francisco Moura ha scritto: >> Hi, >> >> I´m having problems to render MultiPolygon features when threre are 2 >> or more Polygons inside a Multipolygon and using a simple >> PolygonSymbolizer. >> >> I´ve tracked all the execution path and everythings looks ok to me, >> but a detail called my attention. >> >> When i have a GeometryCollection as the geometry of a feature, the >> StreamingRenderer internally creates a LiteShape2 to use in the java >> 2d graphics "fill" method. I noticed that the PathIterator returned >> by the LiteShape2, as anyone would expect, iterates over all the >> GeometryCollection coordinates, actually concatenating all the >> geometries. (all the polygons in my example) >> >> I think that java 2D graphics don´t know how to fill a geometry like >> that ( a lot of concateneted polygons ). Another fact that helps me >> think that is that in my example feature source, all the geometries >> are MultiPolygons, but there are some that has only one Polygon >> inside, and all of these renders with no problems. >> >> Has anyone experienced something like this? > > Nope. GeoServer is using the same code and we're definitely rendering > multi-polygons (every state/country is a multipolygon) and we see no > ill effects. > > See this: > http://geo.openplans.org:8080/geoserver/wms?bbox=-127.61950064999999,23.7351786,-64.08177035,50.592523400000005&styles=&Format=application/openlayers&request=GetMap&version=1.1.1&layers=topp:states&width=800&height=317&srs=EPSG:4326 > > > > If you zoom towards Florida you'll distinctly see it's made of > multipolygons, yet the rendering looks fine. > > Maybe there is something special about your data? > Cheers > Andrea > > I´m checking it right now. I suspected that if there were really a problem, someone else would notice that. That must be a missing detail. When I splited the feature into features with single polygons everything rendered ok. Can you imagine what could cause this?
Thanks for your attention Francisco Moura Developer TECGRAF - PUC-Rio GIS Development Group ------------------------------------------------------------------------------ _______________________________________________ Geotools-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/geotools-devel
