ArcObjects Library Reference (Geometry)  

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.


This interface is new at ArcGIS 9.3.


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

CoClasses that implement ISpatialReferenceAuthority

CoClasses and 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.
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.
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.