private static void OnScalePropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
WorldGlobe globe = d as WorldGlobe;
double value = Convert.ToDouble(e.NewValue);
globe.scale = value;
if (globe.GlobeScale != null)
{
globe.GlobeScale.ScaleX = value;
globe.GlobeScale.ScaleY = value;
}
}