public int GetMaxZoomToFitRect(RectLatLng rect) { int zoom = minZoom; for (int i = zoom; i <= maxZoom; i++) { MapPoint p1 = Projection.FromLatLngToPixel(rect.LocationTopLeft, i); MapPoint p2 = Projection.FromLatLngToPixel(rect.LocationRightBottom, i); if (((p2.X - p1.X) <= Width + 10) && (p2.Y - p1.Y) <= Height + 10) { zoom = i; } else { break; } } return(zoom); }
/// <summary> /// gets all tiles in rect at specific zoom /// </summary> public List <MapPoint> GetAreaTileList(RectLatLng rect, int zoom, int padding) { List <MapPoint> ret = new List <MapPoint>(); MapPoint topLeft = FromPixelToTileXY(FromLatLngToPixel(rect.LocationTopLeft, zoom)); MapPoint rightBottom = FromPixelToTileXY(FromLatLngToPixel(rect.LocationRightBottom, zoom)); for (int x = (topLeft.X - padding); x <= (rightBottom.X + padding); x++) { for (int y = (topLeft.Y - padding); y <= (rightBottom.Y + padding); y++) { MapPoint p = new MapPoint(x, y); if (!ret.Contains(p) && p.X >= 0 && p.Y >= 0) { ret.Add(p); } } } ret.TrimExcess(); return(ret); }
public bool SetZoomToFitRect(RectLatLng rect) { int mmaxZoom = GetMaxZoomToFitRect(rect); if (mmaxZoom > 0) { PointLatLng center = new PointLatLng(rect.Lat - (rect.HeightLat / 2), rect.Lng + (rect.WidthLng / 2)); CurrentPosition = center; if (mmaxZoom > maxZoom) { mmaxZoom = maxZoom; } if ((int)Zoom != mmaxZoom) { Zoom = mmaxZoom; } return(true); } return(false); }
static RectLatLng() { Empty = new RectLatLng(); }
// ok ??? public bool IntersectsWith(RectLatLng rect) { return((((rect.Lng < (this.Lng + this.WidthLng)) && (this.Lng < (rect.Lng + rect.WidthLng))) && (rect.Lat < (this.Lat + this.HeightLat))) && (this.Lat < (rect.Lat + rect.HeightLat))); }
public bool Contains(RectLatLng rect) { return((((this.Lng <= rect.Lng) && ((rect.Lng + rect.WidthLng) <= (this.Lng + this.WidthLng))) && (this.Lat >= rect.Lat)) && ((rect.Lat - rect.HeightLat) >= (this.Lat - this.HeightLat))); }