/// <summary>
/// Method to set current map view to defined lat lon
/// </summary>
/// <param name="lat"></param>
/// <param name="lon"></param>
public void setPosition(double lat, double lon)
{
//parse lat lon to mapcontrol Location object
Microsoft.Maps.MapControl.WPF.Location gpsPos = new Microsoft.Maps.MapControl.WPF.Location(lat, lon);
//center map on position
myMap.Center = gpsPos;
//if first fix set zoom level - disable this for subsequent fixes.
if (firstfix)
{
firstfix = false;
myMap.ZoomLevel = 18;
}
//calculate locations of a circle of radius 5m around the current poitision
var locations = GeoCodeCalc.CreateCircle(gpsPos, 0.005, DistanceMeasure.Kilometers);
//set gps polygon (defined in XAML) Locations to the circle calculated above.
gps.Locations = locations;
}
/// <summary>
/// Add point method. Used to add a single point to the map.
/// </summary>
/// <param name="lat"></param>
/// <param name="lon"></param>
/// <param name="alt"></param>
public void addPoint(double lat, double lon, double alt)
{
//Point must be represented as circle 'polyon'
//initiate polygon object
MapPolygon point = new MapPolygon();
//convert lat lon doubles to Map control Location object.
Microsoft.Maps.MapControl.WPF.Location pos = new Microsoft.Maps.MapControl.WPF.Location(lat, lon);
//set polygon style
point.Fill = new System.Windows.Media.SolidColorBrush(System.Windows.Media.Colors.Blue);
point.Stroke = new System.Windows.Media.SolidColorBrush(System.Windows.Media.Colors.Black);
point.StrokeThickness = 1;
point.Name = "point";
//use DataContext object to store point coordinates.
point.DataContext = "[" + lon + "," + lat + "]";
//calculate circle verticies, radius of circle is 2.5m. Credit Chris Pietschmann see GeoCodeCalc.cs
var locations = GeoCodeCalc.CreateCircle(pos, 0.0025, DistanceMeasure.Kilometers);
point.Locations = locations;
//add circle to map
myMap.Children.Add(point);
}
