[Spanish] Re: centrar dinamicamente un mapa openlayer

[juanluep]

Gracias pero... no me sale

Te pongo el codigo que estoy usando

      function init() {
      	var latlon = new OpenLayers.LonLat(-5.972416,37.427214);
        map = new OpenLayers.Map("basicMap");
        var mapnik = new OpenLayers.Layer.OSM();
        map.addLayer(mapnik);
        map.setCenter(latlon
          .transform(
            new OpenLayers.Projection("EPSG:4326"), // transform from WGS
1984
            new OpenLayers.Projection("EPSG:900913") // to Spherical
Mercator Projection
          ), 15 // Zoom level
        );
      
      var wms = new OpenLayers.Layer.WMS(
                "OpenLayers WMS",
                "http://vmap0.tiles.osgeo.org/wms/vmap0",
                {layers: 'basic'}
            );

    	var kml = new OpenLayers.Layer.Vector("KML", {
            projection: map.displayProjection,
            strategies: [new OpenLayers.Strategy.Fixed()],
            protocol: new OpenLayers.Protocol.HTTP({
                url: "./kml/140320121446134.kml",
                format: new OpenLayers.Format.KML({
                    extractStyles: true, 
                    extractAttributes: true,
                    maxDepth: 3
                })
            })
        });

      map.addLayers([wms, kml]);
      var centrado = kml.getDataExtent();
      map.zoomToExtent(centrado);


        seleccionar = new OpenLayers.Control.SelectFeature(kml);

        kml.events.on({
                "featureselected": onSeleccionarIcono,
                "featureunselected": onDesseleccionarIcono

        });
        map.addControl(seleccionar);
        seleccionar.activate(); 
      }

centrado me da null y claro esta un error al hacer zoomToExtent.

Saludos


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