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

Packages that use org.apache.sis.referencing.crs
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.factory
Creates Coordinate Reference System (CRS) objects from given properties or authority codes.

- Classes in org.apache.sis.referencing.crs used by org.apache.sis.referencing.crs
  Class
  Description
  AbstractCRS
  Coordinate reference system, defined by a coordinate system and (usually) a datum.
  DefaultCompoundCRS
  A CRS describing the position of points through two or more independent coordinate reference systems.
  DefaultDerivedCRS
  A coordinate reference system that is defined by its coordinate conversion from another CRS (not by a datum).
  DefaultEngineeringCRS
  A 1-, 2- or 3-dimensional contextually local coordinate reference system.
  DefaultGeocentricCRS
  A 3-dimensional coordinate reference system with the origin at the approximate centre of mass of the earth.
  DefaultGeographicCRS
  A 2- or 3-dimensional coordinate reference system based on an ellipsoidal approximation of the geoid.
  DefaultImageCRS
  A 2-dimensional engineering coordinate reference system applied to locations in images.
  DefaultParametricCRS
  A 1-dimensional coordinate reference system which uses parameter values or functions.
  DefaultProjectedCRS
  A 2-dimensional coordinate reference system used to approximate the shape of the earth on a planar surface.
  DefaultTemporalCRS
  A 1-dimensional coordinate reference system used for the recording of time.
  DefaultVerticalCRS
  A 1-dimensional coordinate reference system used for recording heights or depths.
- Classes in org.apache.sis.referencing.crs used by org.apache.sis.referencing.factory
  Class
  Description
  DefaultParametricCRS
  A 1-dimensional coordinate reference system which uses parameter values or functions.