public static IEnumerable <TPoint> FilterGeoPointList <TPoint>(this IGeoPointReadonly <double> center,
IEnumerable <TPoint> inputCellList, double degreeSpan)
where TPoint : IGeoPointReadonly <double>
{
if (degreeSpan <= 0)
{
degreeSpan = 0.01;
}
return(inputCellList.Where(s => s.Longtitute >= center.Longtitute - degreeSpan &&
s.Longtitute <= center.Longtitute + degreeSpan &&
s.Lattitute >= center.Lattitute - degreeSpan &&
s.Lattitute <= center.Lattitute + degreeSpan));
}
public static IEnumerable <RasterInfo> Query(this IEnumerable <RasterInfo> source,
IGeoPointReadonly <double> center, double range)
{
return(center.FilterGeoPointList(source, range));
}
