ArcObjects Library Reference (Geometry)

ISpatialReferenceFactory2 Interface

Provides access to members that create different kinds of spatial reference components. Note: the ISpatialReferenceFactory2 interface has been superseded byISpatialReferenceFactory3. Please consider using the more recent version.

Product Availability

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

Description

ISpatialReferenceFactory2 extends the ISpatialReferenceFactory interface and provides methods for accessing a variety of predefined geographic (datum) transformations and creating any kind of spatial reference (PCS or GCS) from its factory code.

Members

		Description
	CreateDatum	Creates a predefined datum.
	CreateESRISpatialReference	Creates a spatial reference system and defines it from the specified ESRISpatialReference buffer.
	CreateESRISpatialReferenceFromPRJ	Creates a spatial reference from a PRJ string.
	CreateESRISpatialReferenceFromPRJFile	Creates a spatial reference from a PRJ file.
	CreateGeographicCoordinateSystem	Creates a predefined geographic coordinate system.
	CreateGeoTransformation	Creates a predefined transformation between geographic coordinate systems.
	CreateParameter	Creates a predefined parameter.
	CreatePredefinedAngularUnits	Creates a list of predefined angular units.
	CreatePredefinedDatums	Creates a list of a list of predefined datums.
	CreatePredefinedGeographicTransformations	Creates a list of predefined geographic transformations.
	CreatePredefinedLinearUnits	Creates a list of predefined linear units.
	CreatePredefinedPrimeMeridians	Creates a list of predefined prime meridians.
	CreatePredefinedProjections	Creates a list of predefined projections.
	CreatePredefinedSpheroids	Creates a list of predefined spheroids.
	CreatePrimeMeridian	Creates a predefined prime meridian.
	CreateProjectedCoordinateSystem	Creates a predefined projected coordinate system.
	CreateProjection	Creates a predefined projection.
	CreateSpatialReference	Creates a predefined spatial reference from an srID.
	CreateSpheroid	Creates a predefined spheroid.
	CreateUnit	Creates a predefined unit of measure.
	ExportESRISpatialReferenceToPRJFile	Exports a spatial reference to a PRJ file.
	GeoTransformationDefaults	Returns a list of default geographic transformations.
	GetPredefinedGeographicTransformations	Returns a list of predefined geographic transformations.

Inherited Interfaces

Interfaces	Description
ISpatialReferenceFactory	Provides access to members that create different kinds of spatial reference components.

CoClasses that implement ISpatialReferenceFactory2

CoClasses and Classes	Description
SpatialReferenceEnvironment	Creates various spatial reference objects.

Remarks

The CreatePredefinedGeographicTransformations and the GetPredefinedGeographicTransformations methods both return an ISet of all the possible geotransformations that ArcObjects can create. The SpatialReferenceEnvironment maintains ownership of the set returned by GetPredefinedGeographicTransformations. Neither this set nor its elements should be modified. The Set and transformation elements returned by CreatePredefinedGeographicTransformations can be modified.