Thanks everyone. I've convinced the customer about the problem... We'll follow the mixed WMS/WFS model.
2008/9/18 Simone Gadenz <[EMAIL PROTECTED]>: > My two cents: > > - if the WFS serves a large number of small polygon I believe you should set > an upper zoom limit to avoid the map to be really crowded and not readable, > hence not usable from your demanding users; > - we had a similar problem with a point layer of global critical > infrastructures and we approached the problem in a sligthly different way: > 1- we serve the layer as wms until a certain scale, the user can > click on the feature, the server send back all the information of that > point and a popup shows those info. No hoovering at this scale > 2- at a larger scale we publish the layer as wfs limiting the number > of features returned; obviously it is important to estimate the > limit on the number of features returned according to the spatial > density of the features in the layer > - in your case I probably would follow a similar strategy but I would send > back to the user the polygon corresponding to the clicked point as vector > feature (GML, GeoJSON, etc...) > > Cheers > > Simone > > > > > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On > Behalf Of G. Allegri > Sent: 18 September 2008 00:13 > To: percy > Cc: Robert Sanson; users@openlayers.org > Subject: Re: [OpenLayers-Users] loading heavy WFS. solutions? > >> how would the click handler deal with hover events for a WMS of polygon >> features? > > In fact there's no way of dealing with it. > And above all the problem of highlighting remains. > I definetly need WFS... > _______________________________________________ > Users mailing list > Users@openlayers.org > http://openlayers.org/mailman/listinfo/users > > _______________________________________________ Users mailing list Users@openlayers.org http://openlayers.org/mailman/listinfo/users