ArcGIS Developer Help

ISpatialReferenceAuthority Interface

Provides access to the authority-related metadata for a spatial reference object.

Product Availability

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.

Description

This interface is new at ArcGIS 9.3.

Members

	Name	Description
	AuthorityName	The name of the defining authority for this object.
	Code	The code identifying this object relative to its authority. For the EPSG authority, this will initially be the WKID (factory code).
	Define	Defines the authority-related metadata properties for this spatial reference object.
	Version	The version of this spatial reference object.

Classes that implement ISpatialReferenceAuthority

Classes	Description
AbridgedMolodenskyTransformation	Creates an Abridged Molodensky transformation.
AngularUnit	Creates a angular unit of measure.
CoordinateFrameTransformation	Creates a Coordinate Frame transformation.
Datum	Creates a datum.
GeocentricTranslation	Creates a geocentric translation.
GEOCONTransformation	Creates a GEOCON-based transformation.
Geographic2DOffsetTransformation	Creates a geographic 2D offset transformation.
GeographicCoordinateSystem	Creates a geographic coordinate system.
GeoTransformation	Generic geotransformation class, holds either a WKT (string) or a WKID (factory code).
HARNTransformation	Creates a HARN-based transformation.
LinearUnit	Creates a linear unit of measure.
LongitudeRotationTransformation	Creates a longitude rotation transformation.
MolodenskyBadekasTransformation	Creates a Molodensky-Badekas transformation.
MolodenskyTransformation	Creates a Molodensky transformation.
NADCON5Transformation	Creates a NADCON5-based transformation.
NADCONTransformation	Creates a NADCON-based transformation.
NTv2Transformation	Creates a NTv2-based transformation.
NullTransformation	Creates a null geographic transformation.
Parameter	Creates a parameter.
PositionVectorTransformation	Creates a Position Vector transformation.
PrimeMeridian	Creates a prime meridian.
ProjectedCoordinateSystem	Creates a projected coordinate system.
Projection	Creates a map projection.
Spheroid	Creates a spheroid.
UnitChangeTransformation	Creates a unit change transformation.
VerticalCoordinateSystem	Creates a vertical coordinate system.
VerticalDatum	Creates a vertical datum.