# Uses of Package
org.apache.sis.referencing.datum

- Packages that use org.apache.sis.referencing.datum
  Package | Description
  --- | ---
  org.apache.sis.referencing.crs | Coordinate Reference System (CRS) definitions as coordinate systems related to the earth through datum.
  org.apache.sis.referencing.datum | Relationship of a `CoordinateSystem` (an abstract mathematical entity) to the earth or other system.
  org.apache.sis.referencing.factory | Creates Coordinate Reference System (CRS) objects from given properties or authority codes.
  org.apache.sis.referencing.operation.transform | Conversions or transformations of multi-dimensional coordinate points.

- Classes in org.apache.sis.referencing.datum used by org.apache.sis.referencing.crs
  Class | Description
  --- | ---
  DefaultParametricDatum | Defines the origin of a parametric coordinate reference system.

- Classes in org.apache.sis.referencing.datum used by org.apache.sis.referencing.datum
  Class | Description
  --- | ---
  AbstractDatum | Specifies the relationship of a Coordinate System to the earth.
  BursaWolfParameters | Parameters for a geographic transformation between two datum having the same prime meridian.
  DatumShiftGrid | Small but non-constant translations to apply on coordinates for datum shifts or other transformation process.
  DefaultEllipsoid | Geometric figure that can be used to describe the approximate shape of the earth.
  DefaultEngineeringDatum | Defines the origin of an engineering coordinate reference system.
  DefaultGeodeticDatum | Defines the location and orientation of an ellipsoid that approximates the shape of the earth.
  DefaultImageDatum | Defines the origin of an image coordinate reference system.
  DefaultParametricDatum | Defines the origin of a parametric coordinate reference system.
  DefaultPrimeMeridian | Defines the origin from which longitude values are determined.
  DefaultTemporalDatum | Defines the origin of a temporal coordinate reference system.
  DefaultVerticalDatum | Identifies a particular reference level surface used as a zero-height surface.

- Classes in org.apache.sis.referencing.datum used by org.apache.sis.referencing.factory
  Class | Description
  --- | ---
  DefaultParametricDatum | Defines the origin of a parametric coordinate reference system.

- Classes in org.apache.sis.referencing.datum used by org.apache.sis.referencing.operation.transform
  Class | Description
  --- | ---
  DatumShiftGrid | Small but non-constant translations to apply on coordinates for datum shifts or other transformation process.