I have used both techniques as they may be used in different situations. For example:
I use a WFS GetFeature filtered request to get the geometry of a polygon and use it to set up the map centre and the zoom level. Then I build an SLD 'mask' to highlight the requested polygon boundary and apply a mask to all other polygons in that layer. So you get an irregular porthole effect draped over the map. I build the OGC GetFeature request in my application and send it to a server-side php script to get the info I need: http://cubeserv.terrapages.com/psma/cubeserv.cgi?datastore=PSMA-ROSD&service =wfs&request=GetFeature&typename=AUS_LGA0403&filter=<Filter><PropertyIsEqual To><PropertyName>NAME</PropertyName><Literal>BANKSTOWN</Literal></PropertyIs EqualTo></Filter>&outputformat=BXFS The GFI brings back the BBox of the polygon as they calculated it at load time saving me the bother of doing the same at runtime. The php built masking SLD is as follows: http://demo.cubewerx.com.au/inc/sld/lg/newSld.xml Another option that I have used is based on WMS (CubeWerx only) which can return GML on a map click containing both the geometry and attributes of any objects within distance of the mouse click. That can then be used to draw the polygons into an OL feature layer styled any way you wish. Have a look at the following example for this option: http://demo.cubewerx.com.au/aamhatchOl.html - just doubleclick on the corner of a couple of properties. Maybe this will help you? Cheers, Brad Spencer -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Gregor Mosheh Sent: Saturday, 1 December 2007 5:15 AM To: Tim Schaub Cc: openlayers user list Subject: Re: [OpenLayers-Users] Highlighting a feature? Hi, Tim. Nice to hear from you. :) I don't know SLDs with WMS, and your other option does sound a lot easier, since we'll only be dealing with a few small features, so the client could handle the geometry just fine. I'll check out the select-feature demo. Thanks for all the info. -- Gregor Mosheh / Greg Allensworth System Administrator, HostGIS cartographic development & hosting services http://www.HostGIS.com/ "Remember that no one cares if you can back up, only if you can restore." - AMANDA _______________________________________________ Users mailing list Users@openlayers.org http://openlayers.org/mailman/listinfo/users _______________________________________________ Users mailing list Users@openlayers.org http://openlayers.org/mailman/listinfo/users
