## Uses of Class
org.apache.sis.referencing.datum.AbstractDatum

- Packages that use AbstractDatum
  Package | Description
  --- | ---
  org.apache.sis.referencing.datum | Relationship of a `CoordinateSystem` (an abstract mathematical entity) to the earth or other system.

- - ### Uses of AbstractDatum in org.apache.sis.referencing.datum

    Subclasses of AbstractDatum in org.apache.sis.referencing.datum
    Modifier and Type | Class and Description
    --- | ---
    `class` | `DefaultEngineeringDatum` Defines the origin of an engineering coordinate reference system.
    `class` | `DefaultGeodeticDatum` Defines the location and orientation of an ellipsoid that approximates the shape of the earth.
    `class` | `DefaultImageDatum` Defines the origin of an image coordinate reference system.
    `class` | `DefaultParametricDatum` Defines the origin of a parametric coordinate reference system.
    `class` | `DefaultTemporalDatum` Defines the origin of a temporal coordinate reference system.
    `class` | `DefaultVerticalDatum` Identifies a particular reference level surface used as a zero-height surface.

    Methods in org.apache.sis.referencing.datum that return AbstractDatum
    Modifier and Type | Method and Description
    --- | ---
    `static AbstractDatum` | AbstractDatum.`castOrCopy(Datum object)` Returns a SIS datum implementation with the values of the given arbitrary implementation.

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