internal void UpdateLine(GoogleDirections gd)
{
Execute.OnUIThread(() =>
{
var m = new WebMercator();
var ps = DecodeLatLong(gd.Directions.Polyline.points);
var pl = new ESRI.ArcGIS.Client.Geometry.Polyline {Paths = new ObservableCollection<PointCollection>()};
var pc = new PointCollection();
foreach (var p in ps)
{
pc.Add((MapPoint) m.FromGeographic(new MapPoint(p.Longitude, p.Latitude)));
}
pl.Paths.Add(pc);
_line.Geometry = pl;
_line.SetZIndex(0);
});
}
public static GoogleDirections GetDirections(string addressA, string addressB, string mode, string wayPoints = "")
{
var sbUrl = new StringBuilder();
//sbUrl.Append("http://maps.google.com/maps/nav?output=js&oe=utf8&q=");
sbUrl.Append("http://maps.googleapis.com/maps/api/directions/json?");
sbUrl.AppendFormat("origin={0}", HttpUtility.UrlEncode(addressA));
sbUrl.AppendFormat("&destination={0}", HttpUtility.UrlEncode(addressB));
if (!string.IsNullOrEmpty(wayPoints))
sbUrl.AppendFormat("&waypoints={0}", HttpUtility.UrlEncode(wayPoints));
sbUrl.Append("&sensor=false&mode=" + mode);
var googleUrl = new Uri(sbUrl.ToString());
var g = AppStateSettings.Instance.AddDownload(googleUrl.ToString(), "routing");
try
{
var request = (HttpWebRequest)WebRequest.Create(googleUrl);
var response = (HttpWebResponse)request.GetResponse();
using (var reader = new StreamReader(response.GetResponseStream()))
{
var gResponse = reader.ReadToEnd();
dynamic directions = Newtonsoft.Json.JsonConvert.DeserializeObject(gResponse);
var route = directions.routes[0];
string points = route.overview_polyline.points;
var totMeters = 0;
var totSeconds = 0;
foreach (var leg in route.legs) {
int result;
string d = leg.distance.value;
if (int.TryParse(d, NumberStyles.Number, CultureInfo.InvariantCulture, out result)) totMeters += result;
string s = leg.duration.value;
if (int.TryParse(s, NumberStyles.Number, CultureInfo.InvariantCulture, out result)) totSeconds += result;
}
var gd = new GoogleDirections {
Directions = new Directions {
Distance = new Distance {
//html = leg.distance.text,
meters = totMeters.ToString(CultureInfo.InvariantCulture)
},
Duration = new Duration {
//html = leg.duration.text,
seconds = totSeconds.ToString(CultureInfo.InvariantCulture)
},
SummaryHtml = route.summary.Value,
Polyline = new Polyline {points = points}
}
};
return gd;
}
}
catch (Exception e)
{
Logger.Log("Routing Tool", "Error downloading routing info", e.Message + ": " + googleUrl, Logger.Level.Error);
}
finally
{
AppStateSettings.Instance.FinishDownload(g);
}
return null;
}
void GeoTimer_Elapsed(object sender, ElapsedEventArgs e)
{
var web = new WebMercator();
var mps = web.ToGeographic(_start.Geometry) as MapPoint;
var mpf = web.ToGeographic(_finish.Geometry) as MapPoint;
if (
(Moved &&
lastUpdated.AddSeconds(1) < DateTime.Now) &&
(startTime.AddSeconds(3) < DateTime.Now) &&
(start == null || end == null || start.X != mps.X || start.Y != mps.Y || end.X != mpf.X || end.Y != mpf.Y))
{
start = mps;
end = mpf;
lastUpdated = DateTime.Now;
var gd = DirectionsUtils.GetDirections(mps.Y.ToString(CultureInfo.InvariantCulture) + "," + mps.X.ToString(CultureInfo.InvariantCulture),
mpf.Y.ToString(CultureInfo.InvariantCulture) + "," + mpf.X.ToString(CultureInfo.InvariantCulture), mode = Mode);
if (gd != null)
{
if (gd.Directions != null)
{
UpdateLine(gd);
}
Directions = gd;
}
Moved = false;
}
if (Moved && lastDirection != null)
{
//UpdateLine(lastDirection);
}
}
