private double[] GetCoordinatesFromAddress(long row, long col, int zoom)
{
MercatorProjection mp = new MercatorProjection();
double[] ret = new double[4];
GPoint tmp = mp.FromTileXYToPixel(new GPoint(col, row));
PointLatLng leftCenter = mp.FromPixelToLatLng(tmp, zoom);
PointLatLng leftCenter1 = mp.FromPixelToLatLng(new GPoint(tmp.X + 1, tmp.Y), zoom);
PointLatLng leftCenter2 = mp.FromPixelToLatLng(new GPoint(tmp.X, tmp.Y - 1), zoom);
ret[0] = leftCenter1.Lng - leftCenter.Lng;
ret[1] = leftCenter.Lat - leftCenter2.Lat;
ret[2] = leftCenter.Lng;
ret[3] = leftCenter.Lat;
return(ret);
}
public PointLatLng[] GetList(GMap.NET.Point tlb, GMap.NET.Point lrb, int zoom, IEnumerable <PointLatLng> _points)
{
IEnumerable <PointLatLng> _llList;
GMap.NET.PointLatLng ptlb;
GMap.NET.PointLatLng plrb;
ptlb = _projection.FromPixelToLatLng(tlb, zoom);
plrb = _projection.FromPixelToLatLng(lrb, zoom);
_llList = from point in _points
where
point.Lat <= ptlb.Lat && point.Lng >= ptlb.Lng &&
point.Lat >= plrb.Lat && point.Lng <= plrb.Lng
select point;
return(_llList.ToArray());
}
