/// <summary>
/// A filter allowing to include hits that only fall within a polygon of points.
/// </summary>
/// <remarks>
/// Only the exterior ring of the polygon is used
/// </remarks>
public static FilterContainer GeoPolygon <T>(
this FilterDescriptor <T> filterDescriptor,
string field,
IPolygon polygon) where T : class =>
filterDescriptor.GeoPolygon(field, GetCoordinates(polygon.ExteriorRing));
/// <summary>
/// A filter allowing to include hits that only fall within a polygon of points.
/// </summary>
/// <remarks>
/// Only the exterior ring of the polygon is used
/// </remarks>
public static FilterContainer GeoPolygon <T>(
this FilterDescriptor <T> filterDescriptor,
Expression <Func <T, object> > expression,
IPolygon polygon) where T : class =>
filterDescriptor.GeoPolygon(expression, GetCoordinates(polygon.ExteriorRing));