@UML(identifier="SC_GeographicCRS", specification=ISO_19111) public interface GeographicCRS extends GeodeticCRS
A Geographic CRS is not suitable for mapmaking on a planar surface, because it describes geometry on a curved surface. It is impossible to represent such geometry in a Euclidean plane without introducing distortions. The need to control these distortions has given rise to the development of the science of map projections.
Used with CS type(s) |
---|
Ellipsoidal
|
Departure from OGC/ISO specification:
This interface is kept conformant with the specification published in 2003. The 2007 revision of ISO 19111 removed theGeographicCRS
andGeocentricCRS
types, handling both using theGeodeticCRS
parent type. GeoAPI keeps them since the distinction between those two types is in wide use.
DOMAIN_OF_VALIDITY_KEY, SCOPE_KEY
ALIAS_KEY, IDENTIFIERS_KEY, NAME_KEY, REMARKS_KEY
Modifier and Type | Method and Description |
---|---|
EllipsoidalCS |
getCoordinateSystem()
Returns the coordinate system, which must be ellipsoidal.
|
getDatum
getDomainOfValidity, getScope
getAlias, getIdentifiers, getName, getRemarks, toWKT
@UML(identifier="coordinateSystem", obligation=MANDATORY, specification=ISO_19111) EllipsoidalCS getCoordinateSystem()
getCoordinateSystem
in interface CoordinateReferenceSystem
getCoordinateSystem
in interface SingleCRS
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