private void DrawCircle(Canvas canvas, TileSchema schema, ITransform transform, List <BruTile.UI.Ellipse> cache, Extent extent, int level)
{
foreach (var ellipse in cache)
{
double xt = ellipse.X;
double yt = ellipse.Y;
double radiust = transform.RadiusToMap(ellipse.Radius);
Circle circle = new Circle()
{
Width = radiust,
Height = radiust,
StrokeThickness = 2,
};
if (ellipse.Type == Ellipse.ZoneType.Red_Zone)
{
circle.Stroke = Brushes.Red;
// circle.Fill = Brushes.Red;
}
else
{
// circle.Fill = Brushes.Blue;
circle.Stroke = Brushes.Blue;
}
if (!canvas.Children.Contains(circle))
{
canvas.Children.Add(circle);
}
Rect dest = MapTransformHelper.WorldToMap(extent, transform);
Point p = transform.WorldToMap(xt, yt);
if (dest.Contains(p))
{
Canvas.SetZIndex(circle, 200);
Canvas.SetLeft(circle, p.X);
Canvas.SetTop(circle, p.Y);
}
}
}
