On Wed, Jun 10, 2009 at 01:11:27PM +0200, Asle Benoni wrote: > Hello, > I try to specify the layer array like this "map.layers[2,3,4,5]" but that > does not work. Is this correct?
This is not corect Javascript syntax in any way that I'm aware of. -- Chris > I always get popups only on the last layer I > have specified. Is my way of specifying the layers array correct? How do I > check what version of OpenLayers I have? > A lot of questions! Thanks. > > /asle > > 2009/6/8 Asle Benoni <[email protected]> > > > Thanks! Sure enough I was mixing in other layers. > > I chose only the WFS layers now but I am only able to click on the last > > layer that is listed. If I put "map.layers[2,3,4]", I get popups for layer 4 > > but no one else. > > > > selectControl = new > > OpenLayers.Control.SelectFeature(map.layers[2,3,4,5],{onSelect: > > onFeatureSelect, onUnselect: onFeatureUnselect}); > > map.addControl(selectControl); > > selectControl.activate(); > > function onPopupClose(evt) { > > selectControl.unselect(selectedFeature); > > } > > > > I wonder if this is a good approach for what I want to accomplish? I looked > > at this example which uses OpenLayers switch features. > > > > http://gis.ibbeck.de/ginfo/apps/OLExamples/OL26/examples/styles_unique_with_group.html > > > > I would else have to hide a layer when another is shown since users would > > not understand why every marker in all visible layers are not clickable. > > > > Thanks for any input!! > > > > /asle > > > > 2009/6/8 Christopher Schmidt <[email protected]> > > > > On Mon, Jun 08, 2009 at 03:59:03PM +0200, Asle Benoni wrote: > >> > Hi, > >> > I just wonder how I know if I have OpenLayers 2.8? I have downloaded > >> from > >> > trunk but the date for OpenLayers.js is 31.03.2009. Or do I have to grab > >> > some special files. *map.layers* is my arrayname? > >> > > >> > I tried your suggestion but when I write: > >> > selectControl = new > >> OpenLayers.Control.SelectFeature(*map.layers*,{onSelect: > >> > onFeatureSelect, onUnselect: onFeatureUnselect}); > >> > map.addControl(selectControl); > >> > selectControl.activate(); > >> > function onPopupClose(evt) { > >> > selectControl.unselect(selectedFeature); > >> > } > >> > I get this error in Firebug and the page is blank: > >> > *layer.renderer is undefined > >> > * > >> > Does this mean I am still using too old OpenLayers.js? > >> > >> No. It means you have passed in one or more layers in your array that > >> are *not* vector layers. > >> > >> -- Chris > >> > >> > /asle > >> > 2009/6/8 Eric Lemoine <[email protected]> > >> > > >> > > On Sunday, June 7, 2009, Asle Benoni <[email protected]> wrote: > >> > > > Hello, > >> > > > I have a map using a MapFish framework but I think this must be a > >> > > OpenLayers question. > >> > > > I have several WFS layers from GeoServer where I use the attributes > >> to > >> > > fill the popup. Only problem is that I can only click on markers in > >> one > >> > > layer at a time. The user sees all the layers, some buildings, another > >> layer > >> > > with churches etc. but can only click on on layer. How do I solve > >> this? I > >> > > have now one layer for each type of buildings and I want to be able to > >> turn > >> > > on and off different buildings so that is why they are in separate > >> layers. > >> > > Is it possible to still use many layers and bee able to click on > >> popups from > >> > > different layers. Or is my approach unnecessary difficult? Glad for > >> any > >> > > help! > >> > > > > >> > > > I use this for the WFS layer: > >> > > > > >> > > > createWfsLayer( > >> > > > "Teknisk industri", > >> > > > " > >> > > > >> http://naturkart.no:8080/geoserver/wfs?SERVICE=WFS&VERSION=1.0.0&REQUEST=GetFeature&SRS=EPSG%3A32633&BBOX=40484.8125,6401353.125,760135.8125,6687724.125 > >> ", > >> > > { > >> > > > typename: > >> "kulturminner_ns:tekniskindustrielt", > >> > > > srsName: "EPSG:32633", > >> > > > maxfeatures: 200},{ > >> > > > extractAttributes:true, > >> > > > visibility:false > >> > > > } > >> > > > ); > >> > > > > >> > > > ...same code for each layer.... > >> > > > > >> > > > // Popup code, define for each layer with markers: > >> > > > selectControl = new > >> > > OpenLayers.Control.SelectFeature(map.layers[0],{onSelect: > >> onFeatureSelect, > >> > > onUnselect: onFeatureUnselect}); > >> > > > map.addControl(selectControl); > >> > > > selectControl.activate(); > >> > > > function onPopupClose(evt) { > >> > > > selectControl1.unselect(selectedFeature); > >> > > > } > >> > > > selectControl1 = new > >> > > OpenLayers.Control.SelectFeature(map.layers[1],{onSelect: > >> onFeatureSelect, > >> > > onUnselect: onFeatureUnselect}); > >> > > > map.addControl(selectControl1); > >> > > > selectControl1.activate(); > >> > > > function onPopupClose(evt) { > >> > > > selectControl1.unselect(selectedFeature); > >> > > > } > >> > > > // etc...... for every layer with marker > >> > > > >> > > Instead of creating one select control for each layer create only one > >> > > and give it all the layers: > >> > > > >> > > sc = new OpenLayers.Control.SelectFeature(array_of_layers, {...}); > >> > > > >> > > you'll need OL 2.8 for this (or trunk) > >> > > > >> > > Cheers, > >> > > > >> > > > >> > > > // Now the popup functions used: > >> > > > > >> > > > function onFeatureSelect(feature) { > >> > > > selectedFeature = feature; > >> > > > popup = new OpenLayers.Popup.FramedCloud("chicken", > >> > > > > >> > > feature.geometry.getBounds().getCenterLonLat(), > >> > > > new OpenLayers.Size(100,200), > >> > > > "<h2>" +feature.attributes.gardsnavn + > >> > > > "</h2>Type: "+ feature.attributes.art + > >> > > > "<br />Kommune: "+ feature.attributes.komm + > >> > > > "<br />Beskrivelse<br /><a href='" + > >> > > feature.attributes.urltilpdfark + > >> > > > "' target=blank><img src=' > >> > > http://naturkart.no:8080/geoserver/images/logo.png' border='0' > >> > > alt='naturkart'></a>", null, true, onPopupClose); > >> > > > feature.popup = popup; > >> > > > map.addPopup(popup); > >> > > > } > >> > > > function onFeatureUnselect(feature) { > >> > > > map.removePopup(feature.popup); > >> > > > feature.popup.destroy(); > >> > > > feature.popup = null; > >> > > > } > >> > > > > >> > > > > >> > > > > >> > > > >> > > -- > >> > > Eric Lemoine > >> > > > >> > > Camptocamp France SAS > >> > > Savoie Technolac, BP 352 > >> > > 73377 Le Bourget du Lac, Cedex > >> > > > >> > > Tel : 00 33 4 79 44 44 96 > >> > > Mail : [email protected] > >> > > http://www.camptocamp.com > >> > > > >> > >> > _______________________________________________ > >> > Users mailing list > >> > [email protected] > >> > http://openlayers.org/mailman/listinfo/users > >> > >> > >> -- > >> Christopher Schmidt > >> MetaCarta > >> > > > > > _______________________________________________ > Users mailing list > [email protected] > http://openlayers.org/mailman/listinfo/users -- Christopher Schmidt MetaCarta _______________________________________________ Users mailing list [email protected] http://openlayers.org/mailman/listinfo/users
