Nicolas, Feel free to add what you've learned to: http://trac.mapnik.org/wiki/MarkersSymbolizer
Dane On Oct 6, 2009, at 8:32 AM, Nicolas Gillet wrote: > > Hello, > > Thank you for your answer. > > I imported the shape into postgis and updated it's geometry with the > st_reverse before to re-export as shape. > I didn't know that such a function exists. > > Now it looks good so I guess that I'm right thinking that the markers > symbolizer is using the way the geometry is encoded to draw the blue > arrow > on road element. > > Thank you again > > Nicolas. > > > Holger Schöner wrote: >> >> Hi Nicolas, >> >> I don't know the marker symbolizer, but: >> >> On Tue, 6 Oct 2009, Nicolas Gillet wrote: >>> What are my options to render direction of trafic flow if my only >>> way to >>> know it is another field of the record ? >> >> If your data is in a PostGIS db (maybe also possible with some >> library >> knowing Simple Features?), you can use the SQL query to reverse a way >> using >> ST_Reverse on the fly, depending on the value of the other column. >> >> Holger >> _______________________________________________ >> Mapnik-users mailing list >> [email protected] >> https://lists.berlios.de/mailman/listinfo/mapnik-users >> >> > > -- > View this message in context: > http://www.nabble.com/MarkersSymbolizer-in-the-wrong-direction-tp25769059p25771055.html > Sent from the Mapnik - Users mailing list archive at Nabble.com. > > _______________________________________________ > Mapnik-users mailing list > [email protected] > https://lists.berlios.de/mailman/listinfo/mapnik-users _______________________________________________ Mapnik-users mailing list [email protected] https://lists.berlios.de/mailman/listinfo/mapnik-users
