Le portail francophone de la géomatique

function loadDemo() {
if(navigator.geolocation) {
document.getElementById("support").innerHTML = "I'll find you!";
navigator.geolocation.getCurrentPosition(updateLocation, handleLocationError, {timeout:100000});
} else {
document.getElementById("support").innerHTML = "Browser is so old";
}}
 
function handleLocationError(){
  switch(error.code)
    {
    case error.PERMISSION_DENIED:
      x.innerHTML="User denied the request for Geolocation."
      break;
    case error.POSITION_UNAVAILABLE:
      x.innerHTML="Location information is unavailable."
      break;
    case error.TIMEOUT:
      x.innerHTML="The request to get user location timed out."
      break;
    case error.UNKNOWN_ERROR:
      x.innerHTML="An unknown error occurred."
      break;
    }
  }


function updateLocation(position) {
var latitudeg = position.coords.latitude;
var longitudeg = position.coords.longitude;
var accuracy = position.coords.accuracy;
document.getElementById("latitude").innerHTML = latitudeg;//works
document.getElementById("longitude").innerHTML = longitudeg;//works
document.getElementById("accuracy").innerHTML = "This location is accurate within " +accuracy + " meters."
var lonLat = new OpenLayers.LonLat(longitudeg,latitudeg).transform(new OpenLayers.Projection("EPSG:4326"),new OpenLayers.Projection("EPSG:900913"));
alert(lonLat);
var pointg = new OpenLayers.Geometry.Point(longitudeg, latitudeg);
pointg.transform(
    new OpenLayers.Projection("EPSG:4326"),
    new OpenLayers.Projection("EPSG:900913")
);
var feature_point_g = new OpenLayers.Feature.Vector(pointg);
alert(pointg.lat);// retourne undifined
alert(feature_point_g);//retourne [object Object]
map.addFeatures([feature_point_g]);//retourne map.addFeatures is not a fuction
map.refresh({force:true});
}