Module org.apache.sis.referencing

Package org.apache.sis.referencing.factory

package org.apache.sis.referencing.factory

Creates Coordinate Reference System (CRS) objects from given properties or authority codes. This package provides two kinds of factories:

• Geodetic­Authority­Factory creates geodetic objects from codes defined by an authority. An authority is an organization that maintains definitions of authority codes. An authority code is a compact string defined by an authority to reference a particular spatial reference object. A frequently used set of authority codes is the EPSG geodetic dataset, a database of coordinate systems and other spatial referencing objects where each object has a code number ID.
• Geodetic­Object­Factory creates complex objects that cannot be created by the authority factories. Allows also inversion of control when used with the EPSG authority factory or with the WKT parser.

Authority factories available in Apache SIS are listed below. Factories defined in this package do not require any configuration or external resources. Factories defined in the sql sub-package require a connection to a database.

Authority factory implementations

Authorities	Implementation class	Conditions
CRS, AUTO and AUTO2	CommonAuthorityFactory	None.
EPSG	EPSGFactory	Requires installation of EPSG dataset.

Since:

0.6

Related Packages

Module	Package	Description
org.apache.sis.referencing	org.apache.sis.referencing	Base classes for reference systems used for general positioning.
org.apache.sis.referencing	org.apache.sis.referencing.factory.sql	Factories for geodetic objects defined in a SQL database, typically the EPSG dataset.
org.apache.sis.referencing	org.apache.sis.referencing.crs	Coordinate Reference System (CRS) definitions as coordinate systems related to the earth through datum.
org.apache.sis.referencing	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	org.apache.sis.referencing.datum	Relationship of a Coordinate­System (an abstract mathematical entity) to the earth or other system.
org.apache.sis.referencing.gazetteer	org.apache.sis.referencing.gazetteer	Mapping between geographic identifiers (addresses, grid indexes…) and locations (descriptions, coordinates…).
org.apache.sis.referencing	org.apache.sis.referencing.operation	Relationship between any two Coordinate Reference Systems (CRS).

Class	Description
CommonAuthorityFactory	Creates coordinate reference systems in the "OGC", "CRS" or "AUTO(2)" namespaces.
ConcurrentAuthorityFactory<DAO extends GeodeticAuthorityFactory>	A concurrent authority factory that caches all objects created by another factory.
FactoryDataException	Thrown when a factory contains invalid data.
GeodeticAuthorityFactory	Creates geodetic objects from codes defined by an authority.
GeodeticObjectFactory	Creates Coordinate Reference System (CRS) implementations, with their Coordinate System (CS) and Datum components.
IdentifiedObjectFinder	Searches in an authority factory for objects approximately equal to a given object.
IdentifiedObjectFinder.Domain	The domain of the search (for example whether to include deprecated objects in the search).
IdentifiedObjectSet<T extends IdentifiedObject>	A lazy set of Identified­Object instances created from their authority codes only when first needed.
InvalidGeodeticParameterException	Thrown when a factory create­Foo(…) method is given invalid parameters.
MissingFactoryResourceException	Thrown when a particular object cannot be created because a resource is missing.
MultiAuthoritiesFactory	A factory that delegates the object creation to another factory determined from the authority part in “authority:code” arguments.
NoSuchAuthorityFactoryException	Thrown when no factory has been found for a given authority name.
UnavailableFactoryException	Thrown when a whole factory cannot be created because a resource is missing.