private Point MapToScreen(Point point)
{
var originalSize = new Size(this.handDataSource.Width, this.handDataSource.Height);
return new Point(
-50 + (float)(point.X / originalSize.Width * (SystemParameters.PrimaryScreenWidth + 100)),
-50 + (float)(point.Y / originalSize.Height * (SystemParameters.PrimaryScreenHeight + 100)),
point.Z);
}