/// <summary>
/// Adds the pins from the given container
/// </summary>
public void Merge(PushpinContainer container)
{
foreach (var pin in container._pushpins)
{
_pushpins.Add(pin);
}
}
private async void RenderPins()
{
var pinsToAdd = new List <PushpinContainer>();
foreach (var pin in _pins)
{
Point screenLoc;
_map.TryLocationToPixel(new Location(pin.Latitude, pin.Longitude), out screenLoc);
var newPinContainer = new PushpinContainer(pin, screenLoc);
bool addNewPin = true;
foreach (var pinContainer in pinsToAdd)
{
double distance = ComputeDistance(pinContainer.ScreenLocation, newPinContainer.ScreenLocation);
if (distance < _distanceTreshold)
{
pinContainer.Merge(newPinContainer);
addNewPin = false;
break;
}
}
if (addNewPin)
{
pinsToAdd.Add(newPinContainer);
}
}
await _map.Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
{
var items = new List <IGeoCluster>();
foreach (var projectedPin in pinsToAdd.Where(pin => PointIsVisibleInMap(pin.ScreenLocation, _map)))
{
items.Add(projectedPin.GetCluster());
}
_mapItemsControl.ItemsSource = items;
});
}