Caught it, it's a capitalization typo in OpenLayers. However, now the geolocation seems to be off, and there's no marker...ideas?
On Wed, Jun 15, 2011 at 4:07 PM, Nicholas Efremov-Kendall < [email protected]> wrote: > Hi Arnd, > > Thanks for the suggestions and the examples. I've been trying to implement > the markers on Layer.Vector adapting the code from the example you provided. > I haven't gotten to the point of adding in the conditional statement yet, > but I keep getting and error in the show map function at the var = feat > line, saying that OpenLayers isn't defined. Jslint tells me this is because > OpenLayers hasn't been defined yet. Now, I know I'm noob when it comes to > syntax, but I'm pretty sure that OL is defined earlier. Do you know what's > going on here? > > var feat; > var markers = new OpenLayers.Layer.Vector("Markers", {styleMap: new > OpenLayers.StyleMap({externalGraphic: > "/OpenLayers-2.11-rc1/img/marker.png"})}); > var map = new OpenLayers.Map('map'); > function initGIS(){ > map.addControl(new OpenLayers.Control.LayerSwitcher()); > var mapnik = new OpenLayers.Layer.OSM(); > map.addLayer(mapnik); > map.setCenter(new OpenLayers.LonLat(-90, 38).transform(new > OpenLayers.Projection("EPSG:4326"),map.getProjectionObject()),12); > } > > > jQuery(window).ready(function(){jQuery("#btnInit").click(getLoc);}); > function getLoc(){ > if (Modernizr.geolocation) { > navigator.geolocation.getCurrentPosition(showMap,handle_error); > } else { > yqlgeo.get('visitor',norm_yql_resp); > } > } > > > function showMap(position) > { > //var lonlat = new > OpenLayers.LonLat(position.coords.longitude,position.coords.latitude).transform(new > OpenLayers.Projection("EPSG:4326"),map.getProjectionObject()); > map.addLayer(markers); > var feat = new > Openlayers.LonLat(position.coords.longitude,position.coords.latitude).transform(new > OpenLayers.Projection("EPSG:4326"),map.getProjectionObject()); > markers.addFeatures([newFeature(feat)]); > var bounds = markers.getDataExtent(); > map.zoomToExtent(bounds); > } > > function handle_error(error) { > switch(error.code){ > case error.PERMISSION_DENIED: alert("This application reguires you to agree > to share your location. Please reload the page to see it work properly. > There is a privacy disclaimer at the bottom of this page. This site does not > currently record or store these data, and in the future will not record > unique user information without informing the user or asking their > permission. -Virtual Spatiality"); > break; > > case error.POSITION_UNAVAILABLE: alert("could not determine position"); > break; > > case error.TIMEOUT: alert("timeout retrieving position"); > break; > > default: alert("unknown error"); > break; > } > } > > function norm_yql_resp(response){ > if (response.error) { > var error = {code : 0}; > handle_error(error); > return; > } > var position = { > coords: > { > latitude: response.place.centroid.latitude, > longitude: response.place.centroid.longitude > }, > address : > { > city: response.place.locality2.content, > region: response.place.admin1.content, > country: response.place.country.content > } > }; > handle_geolocation_query(position); > } > function newFeature(feat){ > var ptn = new OpenLayers.Geometry.Point(feat); > var ptnFeat = new OpenLayers.Feature.Vector(ptn,null,null); > return(ptnFeat); > } > > > > On Mon, Jun 13, 2011 at 2:13 AM, Arnd Wippermann > <[email protected]>wrote: > >> if you use Feature.Vector markers to display your markers, try >> >> if(vectorLayer.features.length>0) >> vectorLayer.removeFeatures(vectorLayer.features); >> >> to remove the marker before you add a marker at the new position. >> >> http://gis.ibbeck.de/ginfo/apps/OLExamples/OL210/Map_mit_Marker.asp >> >> or use a DragFeature.Control to drag the marker around. >> >> http://gis.ibbeck.de/ginfo/apps/OLExamples/OL26/examples/gc_example.html >> >> Or both. >> >> i was not able to update the position of the marker by updating the >> geometry and redraw the feature. The label moves to the new position, but >> the marker (the externalGraphic) wouldn't move!? >> >> Arnd >> >> >> >> >> >> ------------------------------ >> *Von:* [email protected] [mailto: >> [email protected]] *Im Auftrag von *Nicholas >> Efremov-Kendall >> *Gesendet:* Samstag, 11. Juni 2011 18:43 >> *An:* Rossko >> *Cc:* [email protected] >> *Betreff:* Re: [OpenLayers-Users] Re: help with removing/replacing a >> markerafter click event >> >> Hi Rosco, >> >> No, I hadn't thought of that. Any suggestions on how to update the >> position of the marker, maybe a loop with a new LonLat? >> >> On Sat, Jun 11, 2011 at 5:00 AM, Rossko <[email protected]>wrote: >> >>> > The issue is that each time the user clicks, another marker is placed. >>> This >>> isn't really a problem, but for >>> > aesthetic purposes, I'd like to destroy or remove the first marker if >>> the >>> > clicks again >>> >>> Have you considered a different approach to coding this, create one >>> marker >>> and move it around. >>> >>> -- >>> View this message in context: >>> http://osgeo-org.1803224.n2.nabble.com/help-with-removing-replacing-a-marker-after-click-event-tp6463400p6464936.html >>> Sent from the OpenLayers Users mailing list archive at Nabble.com. >>> _______________________________________________ >>> Users mailing list >>> [email protected] >>> http://lists.osgeo.org/mailman/listinfo/openlayers-users >>> >> >> >
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