public MainWindow()
        {
            ioc = new UnityContainer();
            ioc.Bootstrap();
            viewModel = ioc.Resolve <ISpatialMapsViewModel>();
            viewModel.Events.GetEvent <RefreshEvent>().Subscribe(RefreshView, Prism.Events.ThreadOption.UIThread);
            InitializeComponent();
            DataContext = viewModel;

            var leftCollectionViewSource = (CollectionViewSource)(FindResource("LeftCollectionViewSource"));

            leftCollectionViewSource.Source = viewModel.LeftPoly;

            var rightCollectionViewSource = (CollectionViewSource)(FindResource("RightCollectionViewSource"));

            rightCollectionViewSource.Source = viewModel.RightPoly;
        }