1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 | <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>Markers Layer Example</title> <link rel="stylesheet" href="../theme/default/style.css" type="text/css" /> <link rel="stylesheet" href="style.css" type="text/css" /> <script src="../lib/OpenLayers.js"></script> <script type="text/javascript"> var map, layer; function init(){ OpenLayers.ProxyHost="/proxy/?url="; map = new OpenLayers.Map('map'); layer = new OpenLayers.Layer.WMS( "OpenLayers WMS", "http://labs.metacarta.com/wms/vmap0", {layers: 'basic'} ); map.addLayer(layer); map.setCenter(new OpenLayers.LonLat(0, 0), 0); var newl = new OpenLayers.Layer.Text( "text", { location:"./textfile.txt"} ); map.addLayer(newl); var markers = new OpenLayers.Layer.Markers( "Markers" ); map.addLayer(markers); var size = new OpenLayers.Size(10,17); var offset = new OpenLayers.Pixel(-(size.w/2), -size.h); var icon = new OpenLayers.Icon('http://boston.openguides.org/markers/AQUA.png',size,offset); markers.addMarker(new OpenLayers.Marker(new OpenLayers.LonLat(0,0),icon)); var halfIcon = icon.clone(); markers.addMarker(new OpenLayers.Marker(new OpenLayers.LonLat(0,45),halfIcon)); marker = new OpenLayers.Marker(new OpenLayers.LonLat(90,10),icon.clone()); marker.setOpacity(0.2); marker.events.register('mousedown', marker, function(evt) { alert(this.icon.url); OpenLayers.Event.stop(evt); }); markers.addMarker(marker); map.addControl(new OpenLayers.Control.LayerSwitcher()); map.zoomToMaxExtent(); halfIcon.setOpacity(0.5); } </script> </head> <body onload="init()"> <div id="title">Markers Layer Example</div> <div id="tags"></div> <div id="shortdesc">Show markers layer with different markers</div> <div id="map" class="smallmap"></div> <div id="docs"> This is an example of an OpenLayers.Layers.Markers layer that shows some examples of adding markers. Also demonstrated is registering a mousedown effect on a marker. </div> </body> </html> |