private void UpdateDirection(RouteDirection direction)
{
if (direction == null)
{
LayoutRoot.Visibility = Visibility.Collapsed;
return;
}
LayoutRoot.Visibility = Visibility.Visible;
LayoutRoot.DataContext = direction;
var d = direction.GetLength(LinearUnits.Miles);
if (d == 0)
distance.Text = "";
else if (d >= .25)
distance.Text = d.ToString("0.0 mi");
else
{
d = direction.GetLength(LinearUnits.Yards);
distance.Text = d.ToString("0 yd");
}
if (direction.Time.TotalHours >= 1)
time.Text = direction.Time.ToString("hh\\:mm");
else if (direction.Time.TotalMinutes > 1)
time.Text = direction.Time.ToString("mm\\:ss");
else if (direction.Time.TotalSeconds > 0)
time.Text = direction.Time.ToString("ss") + " sec";
else
time.Text = "";
}
private void UpdateDirection(RouteDirection direction)
{
if (direction == null)
{
LayoutRoot.Visibility = Visibility.Collapsed;
return;
}
LayoutRoot.Visibility = Visibility.Visible;
LayoutRoot.DataContext = direction;
var d = direction.GetLength(LinearUnits.Miles);
if (d == 0)
{
distance.Text = "";
}
else if (d >= .25)
{
distance.Text = d.ToString("0.0 mi");
}
else
{
d = direction.GetLength(LinearUnits.Yards);
distance.Text = d.ToString("0 yd");
}
if (direction.Time.TotalHours >= 1)
{
time.Text = direction.Time.ToString("hh\\:mm");
}
else if (direction.Time.TotalMinutes > 1)
{
time.Text = direction.Time.ToString("mm\\:ss");
}
else if (direction.Time.TotalSeconds > 0)
{
time.Text = direction.Time.ToString("ss") + " sec";
}
else
{
time.Text = "";
}
}
private Graphic GraphicFromRouteDirection(RouteDirection rd)
{
var graphic = new Graphic(rd.Geometry);
graphic.Attributes.Add("Direction", rd);
graphic.Attributes["Length"] = rd.GetLength(LinearUnits.Miles);
if (rd.Geometry is MapPoint)
{
graphic.Symbol = _directionPointSymbol;
}
return(graphic);
}
private Graphic GraphicFromRouteDirection(RouteDirection rd)
{
var graphic = new Graphic(rd.Geometry);
graphic.Attributes.Add("Direction", rd.Text);
graphic.Attributes.Add("Time", string.Format("{0:h\\:mm\\:ss}", rd.Time));
graphic.Attributes.Add("Length", string.Format("{0:0.00}", rd.GetLength(LinearUnits.Miles)));
if (rd.Geometry is MapPoint)
{
graphic.Symbol = _directionPointSymbol;
}
return(graphic);
}
private Graphic GraphicFromRouteDirection(RouteDirection rd)
{
var graphic = new Graphic(rd.Geometry);
graphic.Attributes.Add("Direction", rd.Text);
graphic.Attributes.Add("Time", string.Format("{0:h\\:mm\\:ss}", rd.Time));
graphic.Attributes.Add("Length", string.Format("{0:0.00}", rd.GetLength(LinearUnits.Miles)));
if (rd.Geometry is MapPoint)
graphic.Symbol = _directionPointSymbol;
return graphic;
}
/// <summary>
/// Call this to set your current location and update directions based on that.
/// </summary>
/// <param name="location"></param>
public void SetCurrentLocation(MapPoint location)
{
RouteDirection closest = null;
double distance = double.NaN;
MapPoint snappedLocation = null;
Route direction = null;
// Find the route part that we are currently on by snapping to each segment and see which one is the closest
foreach (var dir in m_route.Routes)
{
var closestCandidate = (from a in dir.RouteDirections
where a.Geometry is Polyline
select new { Direction = a, Proximity = GeometryEngine.NearestCoordinateInGeometry(a.Geometry, location) }).OrderBy(b => b.Proximity.Distance).FirstOrDefault();
if (double.IsNaN(distance) || distance < closestCandidate.Proximity.Distance)
{
distance = closestCandidate.Proximity.Distance;
closest = closestCandidate.Direction;
snappedLocation = closestCandidate.Proximity.Point;
direction = dir;
}
}
if (closest != null)
{
var directions = direction.RouteDirections.ToList();
var idx = directions.IndexOf(closest);
if (idx < directions.Count)
{
RouteDirection next = directions[idx + 1];
//calculate how much is left of current route segment
var segment = closest.Geometry as Polyline;
var proximity = GeometryEngine.NearestVertexInGeometry(segment, snappedLocation);
double frac = 1 - GetFractionAlongLine(segment, proximity, snappedLocation);
TimeSpan timeLeft = new TimeSpan((long)(closest.Time.Ticks * frac));
double segmentLengthLeft = (Convert.ToDouble(closest.GetLength(LinearUnits.Meters))) * frac;
//Sum up the time and lengths for the remaining route segments
TimeSpan totalTimeLeft = timeLeft;
double totallength = segmentLengthLeft;
for (int i = idx + 1; i < directions.Count; i++)
{
totalTimeLeft += directions[i].Time;
totallength += directions[i].GetLength(LinearUnits.Meters);
}
//Update properties
TimeToWaypoint = TimeSpan.FromSeconds(Math.Round(timeLeft.TotalSeconds));
TimeToDestination = TimeSpan.FromSeconds(Math.Round(totalTimeLeft.TotalSeconds));
DistanceToWaypoint = Math.Round(segmentLengthLeft);
DistanceToDestination = Math.Round(totallength);
SnappedLocation = snappedLocation;
var maneuverType = next.ManeuverType;
#if NETFX_CORE || WINDOWS_PHONE
ManeuverImage = new Uri(string.Format("ms-appx:///Assets/Maneuvers/{0}.png", maneuverType));
#else
ManeuverImage = new Uri(string.Format("pack://application:,,,/Assets/Maneuvers/{0}.png", maneuverType));
#endif
NextManeuver = next.Text;
RaisePropertiesChanged(new string[] {
"NextManeuver", "SnappedLocation", "CurrentDirection", "TimeToWaypoint",
"DistanceToDestination", "DistanceToWaypoint", "TimeToDestination",
"MilesToDestination", "MilesToWaypoint", "ManeuverImage"
});
}
}
}
private Graphic GraphicFromRouteDirection(RouteDirection rd)
{
var graphic = new Graphic(rd.Geometry);
graphic.Attributes.Add("Direction", rd);
graphic.Attributes["Length"] = rd.GetLength(LinearUnits.Miles);
if (rd.Geometry is MapPoint)
graphic.Symbol = _directionPointSymbol;
return graphic;
}
