void myGeolocator_PositionChanged(Geolocator sender, PositionChangedEventArgs args)
{
//args.Position
System.Diagnostics.Debug.WriteLine("Geolocator_PositionChanged");
Windows.Devices.Geolocation.Geocoordinate coorWin = args.Position.Coordinate;
System.Device.Location.GeoCoordinate geoCoorUnOffset = CoordinateConverter.ConvertGeocoordinate(coorWin);
System.Device.Location.GeoCoordinate geoCoorOffseted = null;
try
{
geoCoorOffseted = GeoCoordinateOffset4China.GetOffsetCoordinate(CoordinateConverter.ConvertGeocoordinate(coorWin));
//System.Diagnostics.Debug.WriteLine(coorSys.Longitude.ToString() + ";" + coorSys.Latitude.ToString());
}
catch(Exception e)
{
System.Diagnostics.Debug.WriteLine(e);
}
Dispatcher.BeginInvoke(() =>
{
UpdateAccuracy("定位精确度: " + coorWin.Accuracy.ToString() + "米");
});
if (coorWin.Accuracy > 12)
{
Dispatcher.BeginInvoke(() =>
{
UpdateIndicator("警告！定位精度超过误差容许范围");
});
return;
}
else
{
if(sender.LocationStatus == PositionStatus.Ready)
{
Dispatcher.BeginInvoke(() =>
{
UpdateIndicator("定位服务工作正常");
});
}
}
if (surverying)
{
Dispatcher.BeginInvoke(() =>
{
if (_surverResult != null)
{
_surverResult.FieldPoints.Add(geoCoorUnOffset);
}
surveyPoly.Path.Add(geoCoorOffseted);
surveyLine.Path.Add(geoCoorOffseted);
if (surveyLine.Path.Count() > 10 && surveyLine.Path[0].GetDistanceTo(surveyLine.Path[surveyLine.Path.Count() - 1]) < 5)
{
myGeolocator.PositionChanged -= myGeolocator_PositionChanged;
GenericPopup pop = new GenericPopup("是否完成测量？");
this.LayoutRoot.Children.Add(pop);
pop.OnDisMiss += (s, argv) =>
{
if (argv.result == PopupResult.PROK)
{
myGeolocator.PositionChanged -= myGeolocator_PositionChanged;
if(!FinishSurvery())
{
myGeolocator.PositionChanged += myGeolocator_PositionChanged;
}
}
else
{
myGeolocator.PositionChanged += myGeolocator_PositionChanged;
}
};
}
myCircle.Visibility = Visibility.Visible;
flashOverlay.GeoCoordinate = geoCoorOffseted;
map.SetView(geoCoorOffseted, 18, MapAnimationKind.Parabolic);
});
}
}
protected override void OnNavigatedTo(System.Windows.Navigation.NavigationEventArgs e)
{
base.OnNavigatedTo(e);
String strViewMode = null;
if (NavigationContext.QueryString.TryGetValue("viewMode", out strViewMode))
{
if (strViewMode == "Survey")
{
mapMode = MapViewMode.Survey;
GpsInfoPanel.Visibility = System.Windows.Visibility.Visible;
String Msg = "请等待GPS设备工作正常后，点击工具栏中“开始”，围绕您的农田一周，按“结束”完成测量";
GenericPopup pop = new GenericPopup(Msg, false);
this.LayoutRoot.Children.Add(pop);
}
else if(strViewMode == "ShowRoute")
{
mapMode = MapViewMode.ShowRoute;
GpsInfoPanel.Visibility = System.Windows.Visibility.Collapsed;
String toLoc = null;
if (NavigationContext.QueryString.TryGetValue("ToLoc", out toLoc))
{
var coor = toLoc.Split(',');
var target = new GeoCoordinate(double.Parse(coor[1]), double.Parse(coor[0]));
}
}
}
else
{
mapMode = MapViewMode.Generic;
GpsInfoPanel.Visibility = System.Windows.Visibility.Collapsed;
}
BuildApplicationToolBar(mapMode);
}