Returns true if the cell union is normalized, meaning that it is satisfies IsValid() and that no four cells have a common parent. Certain operations such as Contains(S2CellUnion) will return a different result if the cell union is not normalized.
See Implementation
Returns true if the cell union is normalized, meaning that it is satisfies IsValid() and that no four cells have a common parent. Certain operations such as Contains(S2CellUnion) will return a different result if the cell union is not normalized.