Added unit-tests and made small refactorings of the projected offsets class.
Integration test with real data confirmed the functionality of the class. The integration test is not part of this PR.
I will add the integration test to all offset classes once all unit test PR's are merged.
Added unit-tests and made small refactorings of the projected offsets class.
Integration test with real data confirmed the functionality of the class. The integration test is not part of this PR. I will add the integration test to all offset classes once all unit test PR's are merged.