# Uses of Package
org.apache.sis.referencing

- Packages that use org.apache.sis.referencing
  Package | Description
  --- | ---
  org.apache.sis.metadata.iso | Root package for ISO 19115 metadata about resources (data or services).
  org.apache.sis.parameter | Descriptions and values of parameters used by a coordinate operation or a process.
  org.apache.sis.referencing | Base classes for reference systems used for general positioning.
  org.apache.sis.referencing.crs | Coordinate Reference System (CRS) definitions as coordinate systems related to the earth through datum.
  org.apache.sis.referencing.cs | Coordinate System (CS) definitions as the set of coordinate system axes that spans the coordinate space.
  org.apache.sis.referencing.datum | Relationship of a `CoordinateSystem` (an abstract mathematical entity) to the earth or other system.
  org.apache.sis.referencing.gazetteer | Mapping between geographic identifiers (addresses, grid indexes…) and locations (descriptions, coordinates…).
  org.apache.sis.referencing.operation | Relationship between any two Coordinate Reference Systems (CRS).

- Classes in org.apache.sis.referencing used by org.apache.sis.metadata.iso
  Class | Description
  --- | ---
  ImmutableIdentifier | Immutable value uniquely identifying an object within a namespace, together with a version.

- Classes in org.apache.sis.referencing used by org.apache.sis.parameter
  Class | Description
  --- | ---
  AbstractIdentifiedObject | Base class for objects identified by a name or a code.
  Builder | Base class of builders for various kind of `IdentifiedObject`.

- Classes in org.apache.sis.referencing used by org.apache.sis.referencing
  Class | Description
  --- | ---
  AbstractIdentifiedObject | Base class for objects identified by a name or a code.
  Builder | Base class of builders for various kind of `IdentifiedObject`.
  CommonCRS | Frequently-used geodetic CRS and datum that are guaranteed to be available in SIS.
  CommonCRS.Temporal | Frequently-used temporal CRS and datum that are guaranteed to be available in SIS.
  CommonCRS.Vertical | Frequently-used vertical CRS and datum that are guaranteed to be available in SIS.
  GeodeticCalculator | Performs geodetic calculations on a sphere or an ellipsoid.
  ImmutableIdentifier | Immutable value uniquely identifying an object within a namespace, together with a version.
  NamedIdentifier | An identification of a CRS object which is both a `Identifier` and a `GenericName`.

- Classes in org.apache.sis.referencing used by org.apache.sis.referencing.crs
  Class | Description
  --- | ---
  AbstractIdentifiedObject | Base class for objects identified by a name or a code.
  AbstractReferenceSystem | Description of a spatial and temporal reference system used by a dataset.

- Classes in org.apache.sis.referencing used by org.apache.sis.referencing.cs
  Class | Description
  --- | ---
  AbstractIdentifiedObject | Base class for objects identified by a name or a code.

- Classes in org.apache.sis.referencing used by org.apache.sis.referencing.datum
  Class | Description
  --- | ---
  AbstractIdentifiedObject | Base class for objects identified by a name or a code.

- Classes in org.apache.sis.referencing used by org.apache.sis.referencing.gazetteer
  Class | Description
  --- | ---
  AbstractIdentifiedObject | Base class for objects identified by a name or a code.
  AbstractReferenceSystem | Description of a spatial and temporal reference system used by a dataset.
  CommonCRS | Frequently-used geodetic CRS and datum that are guaranteed to be available in SIS.

- Classes in org.apache.sis.referencing used by org.apache.sis.referencing.operation
  Class | Description
  --- | ---
  AbstractIdentifiedObject | Base class for objects identified by a name or a code.