# Uses of Package
org.apache.sis.referencing

- Packages that use org.apache.sis.referencing
  Package | Description
  --- | ---
  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.parameter
  Class and 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 and 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.

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

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