Perhaps this example may help. As far as I know, it's not possible with OpenLayers.
I use a patched version of OpenLayers.Protocol.WFS.v1.read (OL29) http://gis.ibbeck.de/ginfo/apps/OLExamples/Index/index.html#A16 Arnd -----Ursprüngliche Nachricht----- Von: [email protected] [mailto:[email protected]] Im Auftrag von Lee M. Gesendet: Dienstag, 25. September 2012 22:45 An: [email protected] Betreff: Re: [OpenLayers-Users] Control visibility of multiple layers but then the layers will not be displayed at the same time. it will be gradually which is not good for me. thay have to be displayed at the exact same time -- View this message in context: http://osgeo-org.1560.n6.nabble.com/Control-visibility-of-multiple-layers-tp 5004368p5004377.html Sent from the OpenLayers Users mailing list archive at Nabble.com. _______________________________________________ Users mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/openlayers-users _______________________________________________ Users mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/openlayers-users
