Le portail francophone de la géomatique

var options = {
            projection: new OpenLayers.Projection("EPSG:900913"),
            displayProjection: new OpenLayers.Projection("EPSG:4326"),
            units: "m",
            maxResolution: 'auto',
            numZoomLevels: 9,                
                        maxExtent: new OpenLayers.Bounds(-20037508, -20037508,20037508, 20037508.34)
            
            };
            
        map = new OpenLayers.Map('map',options);

 // ====== Create a Client Geocoder ======
      var geo = new GClientGeocoder(); 

      // ====== Array for decoding the failure codes ======
      var reasons=[];
      reasons[G_GEO_SUCCESS]            = "Success";
      reasons[G_GEO_MISSING_ADDRESS]    = "Missing Address: The address was either missing or had no value.";
      reasons[G_GEO_UNKNOWN_ADDRESS]    = "Unknown Address:  No corresponding geographic location could be found for the specified address.";
      reasons[G_GEO_UNAVAILABLE_ADDRESS]= "Unavailable Address:  The geocode for the given address cannot be returned due to legal or contractual reasons.";
      reasons[G_GEO_BAD_KEY]            = "Bad Key: The API key is either invalid or does not match the domain for which it was given";
      reasons[G_GEO_TOO_MANY_QUERIES]   = "Too Many Queries: The daily geocoding quota for this site has been exceeded.";
      reasons[G_GEO_SERVER_ERROR]       = "Server error: The geocoding request could not be successfully processed.";
      
     
      
             // ====== Geocoding ======
      function showAddress() {
      var markers=new OpenLayers.Layer.Markers('Marqueurs');
            map.addLayer(markers);
        var search = document.getElementById("search").value;
        // ====== Perform the Geocoding ======        
        geo.getLocations(search, function (result)
          { 
            // If that was successful
            if (result.Status.code == G_GEO_SUCCESS) {
              // How many resuts were found
              document.getElementById("message").innerHTML = "Found " +result.Placemark.length +" results";
              // Loop through the results, placing markers
              for (var i=0; i<result.Placemark.length; i++) {
                var p = result.Placemark[i].Point.coordinates;
                alert(p[1]+","+p[0]);
                var marker = new GMarker(new GLatLng(p[1],p[0]));
                document.getElementById("message").innerHTML += "<br>"+(i+1)+": "+ result.Placemark[i].address + marker.getPoint();
               // map.addOverlay(marker);
              }
              // centre the map on the first result
              var p = result.Placemark[0].Point.coordinates;
             var proj = new OpenLayers.Projection("EPSG:4326");
            var point = new OpenLayers.LonLat(p[1],p[0]);
            point.transform(proj,new OpenLayers.Projection("EPSG:900913") );
            markers.addMarker(new OpenLayers.Marker(point));
            map.setCenter(point,6);
            
            //alert(point);
            //markers.addMarker(new OpenLayers.Marker(point));
            //point.transform(map.displayProjection,map.projection )
            //  map.setCenter(point,6);
              alert(point);
            }
            // ====== Decode the error status ======
            else {
              var reason="Code "+result.Status.code;
              if (reasons[result.Status.code]) {
                reason = reasons[result.Status.code]
              } 
              alert('Could not find "'+search+ '" ' + reason);
            }
          }
        );
    }