public void AddLandmarkPhoto()
{
// Create MapBillboard.
BasicGeoposition cityPosition = new BasicGeoposition()
{
Latitude = 55.6509863734914, Longitude = 37.6680877307923, Altitude = 0
};
SeattleLocation1 = new Geopoint(cityPosition);
Geopoint cityCenter = new Geopoint(cityPosition);
var mapBillboard = new MapBillboard(MapControl1.ActualCamera)
{
Location = cityCenter,
NormalizedAnchorPoint = new Point(0.5, 1.0),
};
// Add MapBillboard to a layer on the map control.
var MyLandmarkPhotos = new List <MapElement>();
MyLandmarkPhotos.Add(mapBillboard);
var LandmarksPhotoLayer = new MapElementsLayer
{
ZIndex = 1,
MapElements = MyLandmarkPhotos
};
MapControl1.Layers.Add(LandmarksPhotoLayer);
}
/// <summary>
/// This method will create a new billboard at the center of the map with the current camera as reference
/// </summary>
private void mapBillboardAddButton_Click(object sender, Windows.UI.Xaml.RoutedEventArgs e)
{
// MapBillboard scales with respect to the perspective projection of the 3D camera.
// The reference camera determines at what view distance the billboard image appears at 1x scale.
MapBillboard mapBillboard = new MapBillboard(myMap.ActualCamera);
mapBillboard.Location = myMap.Center;
mapBillboard.NormalizedAnchorPoint = new Point(0.5, 1.0);
mapBillboard.Image = mapBillboardStreamReference;
myMap.MapElements.Add(mapBillboard);
}
// Funtion to add Image overlay to MapControl. Zoom level is very important when inserting picture overlay, as it determines the size and location of overlay.
// It corespond with actual view on the map. The change view method of Bing maps is Async, making it difficult to place image correctly.
public async Task <int> AddMapOverlayAsync(Double latitude, Double longtitude, Uri img)
{
// Defining position for image overlay. Map View ZoomLevel defines the images size relative to map
Geopoint position = new Geopoint(new BasicGeoposition()
{
Latitude = latitude,
Longitude = longtitude,
Altitude = 0
}, AltitudeReferenceSystem.Surface);
//Making sure the view ZoomLevel is correct for inserting image as overlay.
while (gmitMap.ZoomLevel < 18.9)
{
await gmitMap.TrySetViewAsync(gmit, 19D, 0, 0);
await Task.Delay(1000);
Debug.WriteLine(gmitMap.ZoomLevel);
}
// Create MapBillboard Image.
RandomAccessStreamReference imgStream =
RandomAccessStreamReference.CreateFromUri(img);
var mapBillboard = new MapBillboard(gmitMap.ActualCamera)
{
Location = position,
NormalizedAnchorPoint = new Point(0D, 0D),
Image = imgStream,
};
int index = gmitMap.Layers.Count;
var GmitFloorMaps = new List <MapElement>
{
mapBillboard
};
var LandmarksPhotoLayer = new MapElementsLayer
{
ZIndex = 0,
MapElements = GmitFloorMaps,
Visible = false
};
// Image is added as an new Layer to MapControl. ZIndex must be 0, so Icon with Zindex 1 will be on top of overlay.
gmitMap.Layers.Add(LandmarksPhotoLayer);
return(index);
}
