That's not something currently possible with OpenLayers. But with MapFish ( which uses OpenLayers ) you can do something like that.
See some examples : http://demo.mapfish.org/mapfishsample/1.0/examples/tree/ See the main page : http://trac.mapfish.org/trac/mapfish/wiki/Home Regards, Alexandre Adam Sanchez wrote: > Hi to all! > > Someone do you a idea about to build nested overlays? > > By example, > > > Base Layer > ========= > Google Maps > Yahoo > > Overlays (Two Levels) > ======= > -Mountains > --Himalayas > --Andean > > -Rivers > --Nilo > --Amazonas > --Misissipi > > -Oceans > --Pacific > --Atlantic > > Regards, > > Adam > > On Tue, Dec 2, 2008 at 9:08 AM, <[email protected]> wrote: > >> Send Users mailing list submissions to >> [email protected] >> >> To subscribe or unsubscribe via the World Wide Web, visit >> http://openlayers.org/mailman/listinfo/users >> or, via email, send a message with subject or body 'help' to >> [email protected] >> >> You can reach the person managing the list at >> [email protected] >> >> When replying, please edit your Subject line so it is more specific >> than "Re: Contents of Users digest..." >> >> >> Today's Topics: >> >> 1. New PSC Member: Eric Lemoine (Erik Uzureau) >> 2. Re: New PSC Member: Eric Lemoine (Roald de Wit) >> 3. using more than one Layer.TileCache in a map? (Matt Bartolome) >> 4. Re: using more than one Layer.TileCache in a map? (Eric Lemoine) >> 5. Re: [OpenLayers-Dev] New PSC Member: Eric Lemoine (Pierre GIRAUD) >> 6. GWT and Openlayers (David Potts) >> 7. dynamic url (Lehtonen, Mika) >> 8. Circles (Heidt, Christopher M.) >> 9. Re: Circles (Lehtonen, Mika) >> 10. Re: Circles (Kenny) >> 11. Re: Circles (Heidt, Christopher M.) >> >> >> ---------------------------------------------------------------------- >> >> Message: 1 >> Date: Mon, 1 Dec 2008 18:17:14 -0600 >> From: "Erik Uzureau" <[email protected]> >> Subject: [OpenLayers-Users] New PSC Member: Eric Lemoine >> To: "d...@openlayers" <[email protected]>, "us...@openlayers" >> <[email protected]> >> Message-ID: >> <[email protected]> >> Content-Type: text/plain; charset="iso-8859-1" >> >> The OpenLayers Project Steering Committee is proud to announce our newest >> and eighth member: Eric Lemoine! >> >> Eric works for Camp-to-Camp and has been a solid participant in the >> OpenLayers community for nearly two years now. He has made numerous >> contributions to the OL codebase as a committer, and his experience in the >> community and the greater domain of GIS make him a great addition to the >> committee. >> >> Please everyone, give Mr. Lemoine a very warm welcome. >> >> Erik >> -------------- next part -------------- >> An HTML attachment was scrubbed... >> URL: >> http://openlayers.org/pipermail/users/attachments/20081201/90cf0458/attachment-0001.htm >> >> ------------------------------ >> >> Message: 2 >> Date: Tue, 2 Dec 2008 16:03:23 +1100 >> From: Roald de Wit <[email protected]> >> Subject: Re: [OpenLayers-Users] New PSC Member: Eric Lemoine >> To: Erik Uzureau <[email protected]> >> Cc: "us...@openlayers" <[email protected]>, "d...@openlayers" >> <[email protected]> >> Message-ID: <1228194203.6428.19.ca...@bender> >> Content-Type: text/plain >> >> Congratulations Eric! Nice to see you are a PSC member now! >> >> Cheers, Roald >> >> On Tue, 2008-12-02 at 10:47 +1030, Erik Uzureau wrote: >> >>> The OpenLayers Project Steering Committee is proud to announce our >>> newest and eighth member: Eric Lemoine! >>> >>> Eric works for Camp-to-Camp and has been a solid participant in the >>> OpenLayers community for nearly two years now. He has made numerous >>> contributions to the OL codebase as a committer, and his experience in >>> the community and the greater domain of GIS make him a great addition >>> to the committee. >>> >>> Please everyone, give Mr. Lemoine a very warm welcome. >>> >>> Erik >>> >> >> >> ------------------------------ >> >> Message: 3 >> Date: Mon, 1 Dec 2008 21:24:22 -0800 >> From: "Matt Bartolome" <[email protected]> >> Subject: [OpenLayers-Users] using more than one Layer.TileCache in a >> map? >> To: [email protected] >> Message-ID: >> <[email protected]> >> Content-Type: text/plain; charset=UTF-8 >> >> I have some pre-generated tilecaches. >> >> layer_a = new OpenLayers.Layer.TileCache( "a", tilecache_servers, >> "62851963"); >> layer_b = new OpenLayers.Layer.TileCache( "b", tilecache_servers, >> "62731963", {transparent: true}); >> >> base_layers = [layer_a, layer_b]; >> map.addLayers(base_layers); >> >> I was expecting the above to add multiple static tilecaches to my map >> but it only adds the first layer in the array. Each by themselves >> produces the expected result but in this example the second layer >> doesn't get loaded (there are no web requests to it at all). >> >> Does Layer.Tilecache allow multiple layers? >> >> Thanks, >> -Matt >> >> >> ------------------------------ >> >> Message: 4 >> Date: Tue, 2 Dec 2008 06:45:10 +0100 >> From: "Eric Lemoine" <[email protected]> >> Subject: Re: [OpenLayers-Users] using more than one Layer.TileCache in >> a map? >> To: "Matt Bartolome" <[email protected]>, [email protected] >> Message-ID: >> <[email protected]> >> Content-Type: text/plain; charset=UTF-8 >> >> Hi >> >> > _______________________________________________ > Users mailing list > [email protected] > http://openlayers.org/mailman/listinfo/users > -- Alexandre Dubé Mapgears www.mapgears.com _______________________________________________ Users mailing list [email protected] http://openlayers.org/mailman/listinfo/users
