Created
March 21, 2011 05:42
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get marker's coordinates (latitude,longitude,zoom,mercator,container,div) http://www.william-map.com/20100416/1/map.htm
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| <html> | |
| <head> | |
| <meta name="viewport" content="initial-scale=1.0, user-scalable=no" /> | |
| <script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=false"></script> | |
| <script type="text/javascript"> | |
| var map; | |
| var marker; | |
| var overlay; | |
| function initialize() { | |
| var latlng = new google.maps.LatLng(48.86, 2.34); | |
| var myOptions = { | |
| zoom: 13, | |
| center: latlng, | |
| mapTypeId: google.maps.MapTypeId.ROADMAP | |
| }; | |
| map = new google.maps.Map(document.getElementById("map_canvas"), myOptions); | |
| google.maps.event.addListener(map, 'click', function(event) { | |
| placeMarker(event.latLng); | |
| }); | |
| overlay = new google.maps.OverlayView(); | |
| overlay.draw = function() {}; | |
| overlay.setMap(map); | |
| } | |
| function placeMarker(location) { | |
| if (marker != null) { | |
| marker.setMap(null); | |
| } | |
| marker = new google.maps.Marker({ | |
| position: location, | |
| map: map | |
| }); | |
| var mapType = map.mapTypes[map.getMapTypeId()]; | |
| var mapPixel = mapType.projection.fromLatLngToPoint(location); | |
| var containerPixel = overlay.getProjection().fromLatLngToContainerPixel(location); | |
| var divPixel = overlay.getProjection().fromLatLngToDivPixel(location); | |
| document.getElementById("info").innerHTML = "<table>" + | |
| "<tr><td>LatLng</td><td>" + location.lat() + ","+ location.lng() + "</td></tr>" + | |
| "<tr><td>Zoom</td><td>" + map.getZoom() + "</td>,</tr>" + | |
| "<tr><td>Mercator</td><td>" + mapPixel.x + "," + mapPixel.y + "</td></tr>" + | |
| "<tr><td>Container</td><td>" + containerPixel.x + "," + containerPixel.y + "</td></tr>" + | |
| "<tr><td>Div</td><td>" + divPixel.x + "," + divPixel.y + "</td></tr></table>"; | |
| } | |
| </script> | |
| </head> | |
| <body onload="initialize()"> | |
| <p>Click on the map to see coordinates (latitude,longitude,zoom,mercator,container,div)</p> | |
| <div id="map_canvas" style="width:512px; height:384px"></div> | |
| <div id="info" style="width:512px"></div> | |
| </body> | |
| </html> |
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