# Hierarchy For Package org.apache.sis.referencing.crs

Package Hierarchies:

- All Packages

## Class Hierarchy

- Object
  - FormattableObject
    - AbstractIdentifiedObject (implements Deprecable, Formattable, IdentifiedObject, LenientComparable, Serializable)
      - AbstractReferenceSystem (implements ReferenceSystem)
        - AbstractCRS (implements CoordinateReferenceSystem)
          - DefaultCompoundCRS (implements CompoundCRS)
          - DefaultDerivedCRS (implements DerivedCRS)
          - DefaultEngineeringCRS (implements EngineeringCRS)
          - DefaultGeocentricCRS (implements GeocentricCRS)
          - DefaultGeographicCRS (implements GeographicCRS)
          - DefaultImageCRS (implements ImageCRS)
          - DefaultParametricCRS
          - DefaultProjectedCRS (implements ProjectedCRS)
          - DefaultTemporalCRS (implements TemporalCRS)
          - DefaultVerticalCRS (implements VerticalCRS)