Semantica, I would like to get my hands on your new layerswitcher if possible it sounds very useful. Is it available somewhere?
Cheers, Brad Spencer -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Semantica Sent: Friday, August 29, 2008 6:13 AM To: [email protected] Subject: Re: [OpenLayers-Users] Layer selection in LayerSwitcher Hi Erik, I unfortunately never got the chance to implement it in a production environment but would be happy to package it up as a demo if someone would post it to the OpenLayers demo page. Let me know. I have attached a screenshot of the custom layerSwitcher in action in case you interested in what it looks like. You will notice that the Capital Cities layer is selected (has a border) and that the legend graphics are coming from the provider WMS (National Atlas of Canada WMS). The legend background had to be changed to white since legend graphics are sometimes sent with a background, most often white. You will also notice that the Ocean Drainage Areas layer has a 50% opacity denoted by the opacity bar. Opacity is controlled by clicking the plus/minus buttons. Cheers. Erik Uzureau wrote: > > Hello Semantica, can we see a version of this layer switcher live > somewhere? > erik > > On Thu, Aug 28, 2008 at 2:50 PM, Semantica <[EMAIL PROTECTED]> wrote: >> >> Sorry, in my last post I forgot to indicate how to access the selected >> layer. >> As you will see I added a property on the layerSwitcher called >> activeLayer. >> This property stores the layer id (layer.params.LAYERS). >> >> To make a layer active, the user clicks on the layer title in the >> layerSwitcher. The title bar is highlighed with a border and the >> activeLayer property is set the the layer id. So to access the layer >> associated with that id (i.e. the active layer) you simply do this: >> >> var layerId = layerSwitcher.activeLayer; >> var activeLayer = map.getLayer(layerId); >> >> Then you can access the layer properties for example if you wan't the >> getFeatureInfo request string you would do the following: >> >> var url = activeLayer.getFullRequestString({ >> REQUEST: "GetFeatureInfo", >> EXCEPTIONS: "application/vnd.ogc.se_xml", >> BBOX: >> activeLayer.map.getExtent().toBBOX(), >> X: evt.xy.x, >> Y: evt.xy.y, >> INFO_FORMAT: 'text/html', >> QUERY_LAYERS: activeLayer.params.LAYERS, >> WIDTH: activeLayer.map.size.w, >> HEIGHT: activeLayer.map.size.h}); >> >> Again, I hope this helps. >> >> Cheers and good luck! >> >> >> Bas Couwenberg wrote: >>> >>> Hello, >>> >>> is it possbile with the LayerSwitcher control to select a layer (I don't >>> mean turn invisible) which I then could use to change it opacity. The >>> opacity part works well from the examples but I want to do this per >>> layer >>> I >>> select. >>> >>> Best regards, >>> >>> Bas Couwenberg >>> >>> _______________________________________________ >>> Users mailing list >>> [email protected] >>> http://openlayers.org/mailman/listinfo/users >>> >>> >> >> -- >> View this message in context: >> http://n2.nabble.com/Layer-selection-in-LayerSwitcher-tp789021p790516.html >> Sent from the OpenLayers Users mailing list archive at Nabble.com. >> >> _______________________________________________ >> Users mailing list >> [email protected] >> http://openlayers.org/mailman/listinfo/users >> > _______________________________________________ > Users mailing list > [email protected] > http://openlayers.org/mailman/listinfo/users > > http://n2.nabble.com/file/n790566/ol_custom_ls_SS.png ol_custom_ls_SS.png -- View this message in context: http://n2.nabble.com/Layer-selection-in-LayerSwitcher-tp789021p790566.html Sent from the OpenLayers Users mailing list archive at Nabble.com. _______________________________________________ Users mailing list [email protected] http://openlayers.org/mailman/listinfo/users _______________________________________________ Users mailing list [email protected] http://openlayers.org/mailman/listinfo/users
