ArcObjects Library Reference (Geometry)

Geometry Library Contents

The Geometry library contains the core geometry objects, such as Point, Polygon, Polyline, etc. along with Geometry types and definitions. The Geometry library also defines and implements the spatial reference objects for both projected and geographic coordinate systems.

Interfaces

Interface	Description
IAffineTransformation2D	Provides access to members that define and manipulate affine transformations.
IAffineTransformation2D2	Provides access to members that define and manipulate affine transformations.
IAffineTransformation2D3	Provides access to members that define and manipulate affine transformations.
IAffineTransformation2D3GEN	Provides access to members that define and manipulate affine transformations. IAffineTransformation2D3GEN is generic version of IAffineTransformation2D3
IAffineTransformation3D	Provides access to members that define and manipulate affine transformations in 3D.
IAffineTransformation3DGEN	Provides access to members that define and manipulate affine transformations in 3D. IAffineTransformation3DGEN is generic version of IAffineTransformation3D.
IAngularUnit	Provides access to members that control the properties of angular unit.
IAngularUnitEdit	Provides access to members that define the properties of an angular unit.
IArea	Provides access to members that return properties common to rings and polygons.
IArea3D	Provides access to members that return properties common to MultiPatches.
IAreaGeodetic	Provides access to members that calculate ellipsoidal area of polygons using various perimeter densification methods.
IBezierCurve	Provides access to members that identify third degree bezier curve segments and defines their properties.
IBezierCurve2	Provides access to members that identify third degree bezier curve segments and defines their properties.
IBezierCurve3	Provides access to members that identify third degree bezier curve segments and defines their properties.
IBezierCurveGEN	OLE automation compatibility interface for IBezierCurve.
IBufferConstruction	Provides access to members that buffer sets of geometries.
IBufferConstructionProperties	Provides access to members that control how sets of geometries are buffered.
IBufferConstructionProperties2	Provides access to members that control whether buffering is done on a plane or on an ellipsoid.
IBufferProgress	Implemented by clients to receive reports of buffer operation progress.
ICircularArc	Provides access to members that control properties of circular arcs.
IClassFactory
ICompareCoordinateSystems	Provides modified equality tests for spatial references.
ICompositeGeoTransformation	Provides access to members that control a set of geographic transformations.
IConstructAngle	Provides access to members that construct an angle using other geometries and measures. This interface is implemented by the GeometryEnvironment object.
IConstructBezierCurve	Provides access to members that construct a Bezier curve using other geometries and measures.
IConstructCircularArc	Provides access to members that construct a circular arc using other geometries and values.
IConstructCircularArc2	Provides access to members that construct a circular arc using other geometries and values.
IConstructClothoid	Methods for constructing clothoid spirals.
IConstructCurve	Provides access to members that construct a curve using other geometries and measures.
IConstructCurve2	Provides access to members that construct a curve using other geometries and measures.
IConstructCurve3	Provides access to members that construct a curve using other geometries and measures.
IConstructCurve4	Constructs an offset curve using a different algorithm.
IConstructDomainExtent	Provides access to members that construct domain extents based on defined precision.
IConstructDomainExtent2	Constructs a Z/M domain extent from the specified extent and information from a spatial reference.
IConstructEllipticArc	Provides access to members that construct an elliptic arc segment using other geometries and measures.
IConstructGeodetic	Provides access to members that construct various kinds of geodetic curves.
IConstructGeometryCollection	Provides access to members that construct a collection of geometries.
IConstructLine	Provides access to members that construct a line segment using other geometries and measures.
IConstructMerge	Methods for doing a 3-way merge using two modified versions of a geometry along with the original.
IConstructMultiPatch	Provides access to members that can be used to construct MultiPatches.
IConstructMultipoint	Provides access to members that construct multiple points using other geometries and values.
IConstructPath	Provides access to members that construct a path using other geometries and measures.
IConstructPoint	Provides access to members that construct a point using other geometries and measures.
IConstructPoint2	Provides access to additional point construction methods.
IConstructUnknownCoordinateSystem	Provides method to define the properties of an unknown coordinate system.
IControlPrecision	IControlPrecision interface.
IControlPrecision2	IControlPrecision2 interface.
IControlPrecision3	IControlPrecision3 interface.
IConversionMGRS	Provides access to members that allow the use of MGRS.
IConversionNotation	Provides access to functions that convert to and from various geographic string notations.
ICoordinateFrameTransformation	Provides access to members that control the 3D frame transformation with rotation, translation and scaling.
ICurve	Provides access to properties and methods of all 1 dimensional curves (polylines, segments, boundaries of polygons, etc.).
ICurve2	Provides access to members that extend the functionality of one dimensional curves.
ICurve3	Provides access to members that extend the functionality of one dimensional curves.
ICurve3D	Provides access to members that define operations common to curves with Zs.
IDatum	Provides access to members that control the properties of all horizontal datums.
IDatumEdit	Provides access to members that control the properties of a horizontal datum.
IEllipticArc	Provides access to members that control properties of elliptic arc segments.
IEncode3DProperties	Provides access to members that encode and decode normals and 2D texture coordinates into a single double value.
IEnumCurve	Provides access to members that allow efficient construction of sequential subcurves along a polyline or polygon.
IEnumCurve2	Provides access to members that extend IEnumCurve.
IEnumGeometry	Provides access to members that enumerate the members of a collection of geometries.
IEnumIntersection	Not currently used.
IEnumPointAndDistance	Provides access to members that iterate over the points on a geometry that are closest to an input point, as returned by QueryPointsAndDistances.
IEnumSegment	Provides access to members that iterate over collections of segments (obtained from the EnumSegments property on the ISegmentCollection interface).
IEnumSplitPoint	Provides access to members that iterate over the new vertices in a geometry introduced as a result of using SplitAtPoints/SplitAtDistances.
IEnumVertex	Provides access to members that iterate over the vertices or points of a geometry (see the EnumVertices property of the IPointCollection interface).
IEnumVertex2	Provides access to members that extend IEnumVertex.
IEnvelope	Provides access to methods and properties of envelopes.
IEnvelope2	Provides access to members that extend the IEnvelope interface.
IEnvelope3D	Provides access to methods on 3D envelopes.
IEnvelope4	Provides further access to methods on 3D envelopes.
IEnvelopeGEN	OLE Automation compatibility interface for IEnvelope.
IESRISegment
IESRISegment2
IESRIShape	Provides access to members that Import/Export ArcObjects geometries to Esri shapefile format.
IESRIShape2	Provides access to methods for non-byte swapping and angular densification export in addition to those in IESRIShape.
IESRISpatialReference	Provides access to members that control the import/export operations components of a spatial reference system. This interface has been deprecated and IESRISpatialReferenceGEN should be used.
IESRISpatialReferenceGEN	Provides access to members that generate well known string (WKS) representations of spatial reference objects. IESRISpatialReference has been deprecated and IESRISpatialReferenceGEN should be used.
IESRISpatialReferenceGEN2	Provides access to members that generate well known string representations for spatial reference objects. The strings include authority metadata.
IExtrude	Provides access to members that can be used to take a geometry and connect it to a translated version of itself to generate a higher-dimensional geometry.
IExtrude2	Provides access to members that can be used to take a geometry and connect it to a translated version of itself to generate a higher-dimensional geometry.
IFunctionalSurface	Provides access to information about the functional surface, generating heights given x,y locations. Also see IFunctionalSurface2.
IFunctionalSurface2	Provides access to members that allow changes to be made to the interpolation domain, in addition to the IFunctionalSurface members.
IFunctionalSurface3	Provides access to members that allow fuller interpolation of polygonal patches.
IGeneralMultiPatchInfo	Interface to get infomation of a GeneralMultiPatch.
IGeocentricTranslation	Provides access to members that control the 3D vector transformation with 3 translation values.
IGeographic2DOffsetTransformation	Provides access to members that control the geographic 2D offset transformation.
IGeographicCoordinateSystem	Provides access to members that control access to all properties of geographic coordinate systems.
IGeographicCoordinateSystem2	Provides access to members that control additional properties and methods for all geographic coordinate systems.
IGeographicCoordinateSystemEdit	Provides access to members that control the properties for a geographic coordinate system.
IGeometricBufferSourceSink	Client-supplied interface that provides support for buffering a group of geometries by different distances.
IGeometry	Provides access to members that describe properties and behavior of all geometric objects.
IGeometry2	Provides access to members that extend the IGeometry interface with a more sophisticated projection method.
IGeometry3	Provides rapid access to a geometry's extent in the x-y plane.
IGeometry4	Provides access to methods that indicate if a geometry has been changed (edited, projected, etc).
IGeometry5	Provides access to members that extend the IGeometry interface with a more sophisticated projection method.
IGeometryArray
IGeometryBag	Provides access to members that identify a geometry bag.
IGeometryBridge	Provides access to a set of generic methods that can be used in all languages supported.
IGeometryBridge2	Provides access to a set of generic methods that can be used in all languages supported.
IGeometryCollection	Provides access to members that can be used for accessing, adding and removing individual geometries of a multi-part geometry (Multipoint, Polyline, Polygon, MultiPatch, and GeometryBag).
IGeometryEnvironment	Provides access to members that control global geometry variables.
IGeometryEnvironment2	Provides access to members that control additional global geometry variables.
IGeometryEnvironment3	Provides access to members that control additional global geometry variables.
IGeometryEnvironment4	Provides access to members that control additional global geometry variables.
IGeometryFactory	Provides access to members that create geometries from different inputs.
IGeometryFactory2	Provides access to members that create geometries from different inputs.
IGeometryFactory3	Provides access to members that create geometries from different inputs.
IGeometryServer	Provides access to standard operations on geometric 'value' objects. The input geometries are never modified by these operations. Designed for use in building web services and web applications.
IGeometryServer2	Provides access to more standard operations on geometric 'value' objects. The input geometries are never modified by these operations. Designed for use in building web services or other kinds of distributed applications.
IGeometryServer3	Provides access to more standard operations on geometric 'value' objects. The input geometries are never modified by these operations. Designed for use in building web services or other kinds of distributed applications.
IGeoTransformation	Provides access to members that define a geographic (datum) transformation.
IGeoTransformationOperationSet	Provides access to members that control a set of geographic transformation operators (GT + direction).
IGridTransformation	Provides access to members that control the dataset name for a grid-based transformation.
IHitTest	Provides access to members that locate a part of a geometry closest to a point.
IHitTest3D	Provides access to members that locate a part of a geometry closest to a point.
IHVDatum	Indicator interface for a horizontal or vertical.
IJSONConverterGeometry	Provides direct access to the geometry serialization for AMF and JSON formats.
ILine	Provides access to members that identify a straight line segment and defines its properties.
ILine2	Provides access to the coordinates of a line segment in the form of Well Known Structures (WKS).
ILine3	Provides access to members that identify a straight line segment and defines its properties.
ILinearUnit	Provides access to members that control the properties of the linear unit.
ILinearUnitEdit	Provides access to members that control the properties of the linear unit.
ILinePolygonHelper	Helper class for polygons, formed from linear segments.
ILocalCoordinateSystem	Provides access to members that control the properties and methods for local coordinate systems.
ILongitudeRotationTransformation	Provides access to members that control the parameters of a longitude-rotation transformation.
IMAware	Indicator interface that identifies geometric objects that can have persistent M values attached to their vertices.
IMCollection	Provides access to members that control operations on M-aware multipoints, polylines, polygons and multipatches.
IMolodenskyBadekasTransformation	Provides access to members that control the 3D frame transformation with rotation, translation, scaling, and XYZ center of rotation.
IMolodenskyTransformation	Provides access to members that control the parameters of a Molodensky transformation.
IMSegmentation	Provides access to members for defining an M-based linear coordinate system on a polyline or polygon.
IMSegmentation2	Provides access to additional linear referencing operations on polylines.
IMSegmentation3	Provides access to additional linear referencing operations on polylines.
IMSegmentation4	Provides access to additional linear referencing operations on polylines.
IMSegmentationInternal	Provides access to members that allow certain MSegmentation functionality, similar to that on IMSegmentation3 but more limited.
IMSnap	Provides access to a method that snaps ms of the geometry to the precision of the spatial reference associated with the geometry.
IMultiPatch	Provides access to members that identify a MultiPatch and permit controlled access to its parts.
IMultiPatch2	Provides access to members that permit controlled access to MultiPatch parts.
IMultipoint	Indicator interface that identifies a multipoint object.
INetworkShape
INetworkShape3D
INormalAware	Indicator interface that identifies geometries that can have persistent normal vectors values attached to coordinates.
INullTransformation	indicator interface for a null transformation.
IParameter	Provides access to members that control the properties of projection parameters.
IParameterEdit	Provides access to members that control the properties of projection parameters.
IPartIDAware	Indicator interface that identifies geometries that can have part IDs.
IPath	Provides access to members that identify a path and define its behavior.
IPoint	Provides access to members that define two dimensional points.
IPointArray
IPointCollection	Provides access to members that manipulate the points of a Multipoint, Path, Ring, Polyline, Polygon, TriangleFan, TriangleStrip, or MultiPatch.
IPointCollection2	Provides access to members that manipulate the points of a Multipoint.
IPointCollection3	Provides access to members that manipulate the points of a Multipoint.
IPointCollection4	Provides access to members that manipulate the points of a Multipoint, Path, Ring, Polyline, Polygon, TriangleFan, TriangleStrip, or MultiPatch.
IPointCollection5	Provides access to members that manipulate the vertices as lightweight point+attribute structures (VA - vertex attribute)
IPointIDAware	Indicator interface that identifies geometries that can have persistent point ID values attached to coordinates.
IPolycurve	Provides access to members that define operations common to polylines and the boundaries of polygons.
IPolycurve2	Provides access to members that extend IPolycurve with additional splitting and densification methods.
IPolycurve3	Provides access to members that extend IPolycurve with additional splitting and densification methods.
IPolycurve3D	Provides access to members that define operations common to polycurves with Zs.
IPolycurve4	Provides geodesic operations on curves.
IPolycurveGeodetic	Provides various geodetic operations on curves.
IPolygon	Provides access to members that identify a polygon and permit controlled access to its inner and outer rings.
IPolygon2	Provides access to members that extend the IPolygon interface.
IPolygon3	Provides access to members that extend the IPolygon2 interface.
IPolygon4	Provides access to members that extend the IPolygon3 interface.
IPolygon5	Provides additional operations on polygons. Note that IPolygon5 does not inherit from IPolygon4.
IPolygonArray	Provides access to the IPolygonArray Interface.
IPolyline	Provides access to members that identify and add behavior to a polyline object.
IPolyline2	Provides access to members that extend a polyline object.
IPolyline3	Provides access to members that extend a polyline object.
IPolyline4	Provides access to members that extend a polyline object.
IPolyline5	Provides access to members that extend a polyline object.
IPolyline6	Provides access to members that extend a polyline object.
IPolylineArray	Provides access to the IPolylineArray Interface.
IPositionVectorTransformation	Provides access to members that control the 3D vector transformation with rotation, translation and scaling.
IPrimeMeridian	Provides access to members that control the properties of all prime meridians.
IPrimeMeridianEdit	Provides access to members that control the properties of the prime meridian.
IPRJSpatialReference	Provides access to members that control the import/export operations components of a spatial reference system. IPRJSpatialReference has been deprecated and IPRJSpatialReferenceGEN should be used.
IPRJSpatialReferenceGEN	Provides access to members that control the import/export operations components of a spatial reference system. IPRJSpatialReference has been deprecated and IPRJSpatialReferenceGEN should be used.
IProjectedCoordinateSystem	Provides access to members that control the properties and methods for all projected coordinate systems.
IProjectedCoordinateSystem2	Provides access to members that control additional properties and methods for projected coordinate systems.
IProjectedCoordinateSystem3	Provides access to members that control additional properties and methods for projected coordinate systems.
IProjectedCoordinateSystem4	Provides access to members that control additional properties and methods for projected coordinate systems.
IProjectedCoordinateSystem4GEN	Provides access to members that control additional properties and methods for projected coordinate systems. IProjectedCoordinateSystem4GEN is generic version of IProjectedCoordinateSystem4.
IProjectedCoordinateSystem5	Provides access to members that control additional properties and methods for projected coordinate systems.
IProjectedCoordinateSystemEdit	Provides access to members that control the properties of a projected coordinate system.
IProjection	Provides access to members that control the properties of all map projections.
IProjectionGEN	OLE compatibility for providing access to members that control the properties of all map projections.
IProjectiveTransformation2D	Provides access to members that define and manipulate projective transformations.
IProjectiveTransformation2DGEN	Provides access to members that define and manipulate projective transformations. IProjectiveTransformation2DGEN is generic version of IProjectiveTransformation.
IProximityOperator	Provides access to members that find the 2D distance between two geometries.
IProximityOperator3D	Provides access to members that find the 3D distance between two geometries with Zs.
IRay	Provides access to 3D Ray properties and methods. A ray has one endpoint (its origin) and continues infinitely in one direction.
IRay2	Provides access to 3D Ray properties and methods. A ray has one endpoint (its origin) and continues infinitely in one direction.
IRelationalOperator	Provides access to members that determine if a certain spatial relationship exists between two geometries.
IRelationalOperator2	Additional relational functions.
IRelationalOperator3D	Provides access to members that determine if a certain spatial relationship exists between two geometries with Zs.
IRelationalOperator3D2	Provides access to members that determine if a certain spatial relationship exists between two geometries with Zs.
IRelationalOperatorNxM	Provides access to members that determines which pairs of geometries from two sets are in a specified relation.
IRelationResult	Provides access to members that meet the specific relation between two sets of geometries. Not currently implemented for geometries containing elliptic arcs.
IRelationResultArray
IRing	Provides access to members that identify a ring and define its behavior.
IRing2	Provides extended access to members that identify a ring and define its behavior.
ISegment	Provides access to members that identify a segment. A segment is a way of getting between two endpoints.
ISegmentCollection	Provides access to members that manipulate the segments of a path, ring, polyline, or polygon.
ISegmentGraph	Provides access to members that define and navigate a topologically structured collection of segments.
ISegmentGraph2	Provides access to members that define and navigate a topologically structured collection of segments.
ISegmentGraphCursor	Provides access to members that define and manipulate a way of navigating over segments topologically structured within a segment graph.
ISegmentID	Provides access to members that allow simple manipulations of IDs at the segment level.
ISegmentM	Provides access to members that allow simple manipulations of Ms at the segment level.
ISegmentZ	Provides access to members that allow simple manipulations of Zs at the segment level.
ISegmentZ2	Provides access to members that allow manipulations of segments with Zs.
ISpatialIndex	Provides access to members that create a temporary spatial index for improving performance of "Disjoint" and some other relational operators.
ISpatialIndex2	Provides access to members that create a temporary spatial index for improving performance of "Disjoint" and some other relational operators.
ISpatialReference	Provides access to members that control a SpatialReference.
ISpatialReference2	Provides access to additional members that control a SpatialReference.
ISpatialReference2GEN	Provides access to additional members that control a SpatialReference. ISpatialReference2GEN is generic version of ISpatialReference.
ISpatialReference3	Provides access to additional members that associate a spatial reference with a vertical coordinate system.
ISpatialReference4	Provides access to additional members that control a SpatialReference.
ISpatialReferenceAuthority	Provides access to the authority-related metadata for a spatial reference object.
ISpatialReferenceFactory	Provides access to members that create different kinds of spatial reference components.
ISpatialReferenceFactory2	Provides access to members that create different kinds of spatial reference components.
ISpatialReferenceFactory3	Provides access to members that create vertical datums or coordinate systems.
ISpatialReferenceFactory4	Provides access to members that create lists of coordinate systems.
ISpatialReferenceFactory5	Provides access to members that control the geographic transformations fallback mechanism.
ISpatialReferenceFactory6	Provides access to members that control the geographic transformations fallback mechanism.
ISpatialReferenceInfo	Provides access to members that control the properties common to all components of a spatial reference system.
ISpatialReferenceResolution	Provides access to members that control the resolution of a spatial reference.
ISpatialReferenceSingletonManager	Ensure that no duplicates of projection engine pcs or gcs objects are created.
ISpatialReferenceTolerance	Provides access to members that specify the spatial and M tolerances of a spatial reference.
ISphere	Provides access to a sphere's properties and operations.
ISpheroid	Provides access to members that control the properties of all spheroids.
ISpheroidEdit	Provides access to members that control the properties of a spheroid.
ISRPersistStream	Provides access to methods for persisting precision information. Extends IPersistStream.
ITextureAware	Indicator interface that identifies geometries that can have persistent texture values attached to coordinates.
ITexturePersistenceProperties	Provides access to MultiPatch texture persistence properties.
ITopologicalOperator	Provides access to members for constructing new geometries based upon topological relationships between existing geometries.
ITopologicalOperator2	Provides access to members that extend the ITopologicalOperator interface.
ITopologicalOperator3	Provides additional information on non-simple geometries.
ITopologicalOperator4	Provides additional information on non-simple geometries.
ITopologicalOperator5	Provides additional information on non-simple geometries.
ITopologicalOperator6	.
ITopologicalSegment	Provides access to members that identify segments that can participate in topological operations (intersect, etc).
ITopologicalSegment2	Provides access to members that extend the ITopologicalSegment interface.
ITransform2D	Provides access to methods for transforming geometries using either specific parameters or arbitrary transformation objects (affine transformations, geographic transformations, etc.).
ITransform3D	Provides access to methods for transforming 3D geometries using either specific parameters or arbitrary transformation objects.
ITransformation	Provides access to members that apply a function (or its inverse) to a set of points or measures. The suffix of each method indicates the type of parameters operated on.
ITransformation3D	Provides access to members that control a 3D affine transformation.
ITransformation3DGEN	Provides access to members that control a 3D affine transformation. ITransformation3DGEN is generic version of ITransformation3D.
ITransformationGEN	Provides access to members that apply a function (or its inverse) to a set of points or measures. The suffix of each method indicates the type of parameters operated on. ITransformationGEN is generic version of ITransformation.
ITriangleFan	Indicator interface that identifies a triangle fan.
ITriangles	Indicator interface that identifies a Triangles patch.
ITriangleStrip	Indicator interface that identifies a triangle strip.
IUnit	Provides access to members that identify a linear or angular unit of measure within a spatial reference system.
IUnitChangeTransformation	indicator interface for a unit change geotransformation (units are obtained from the constituent gcss.
IUnknownCoordinateSystem	Indicator interface that identifies an Unknown coordinate system.
IVector	Provides access to vector properties and operations.
IVector3D	Provides access to 3D vector properties and operations.
IVertexAttribute	Identifies geometries that can have attributes on their vertices.
IVertexAttribute2	additional operations for geometries that can have attributes (z, m, id) on their vertices.
IVerticalCoordinateSystem	Provides access to properties of a vertical coordinate system.
IVerticalCoordinateSystemEdit	Provides access to members that control the properties of a vertical coordinate system.
IVerticalCoordinateSystemGEN	Provides access to properties of a vertical coordinate system.
IVerticalDatum	Indicator interface for vertical datums.
IVerticalDatumEdit	Provides access to members that control the properties of a vertical datum.
IVolume	Provides access to members that return properties common to MultiPatches.
IWin32Shape	Provides access to members that prepare a set of GDI drawing instructions for a geometry.
IWin32Shape2	Provides access to members that prepare a set of GDI drawing instructions for a geometry.
IWkb	Reads/Writes the OGIS OLE/COM simple features Well Known Binary Format, v1.1, little-endian (NDR).
IZ	Provides access to members that identify geometric objects that can have 3D coordinates and defines operations on such objects.
IZ2	Provides access to additional members that identify geometric objects that can have 3D coordinates and defines operations on such objects.
IZAware	Indicator interface that identifies geometries that can have persistent Z values attached to their vertices.
IZCollection	Provides access to operations on Z-aware geometries.
IZShift	Provides access to a limited 3D awareness for a 2D affine transformation.

CoClasses and Classes

CoClass or Class	Description
AbridgedMolodenskyTransformation	Creates an Abridged Molodensky transformation.
AffineTransformation2D	A two dimensional affine transformation.
AffineTransformation3D	A three dimensional transformation.
AngularUnit	Creates a angular unit of measure.
BezierCurve	A cubic Bezier curve defined between two points; optionally has measure, height and ID attributes at each endpoint.
BufferConstruction	Buffers collections of lines or collections of polygons.
CircularArc	A portion of a circle that connects two points optionally has measure, height and ID attributes at each endpoint.
CompositeGeoTransformation	Performs a sequence of geographic transformations.
CoordinateFrameTransformation	Creates a Coordinate Frame transformation.
Datum	Creates a datum.
EllipticArc	A portion of the boundary of a 2D ellipse that connects two points; optionally has measure, height and ID attributes at each endpoint.
Envelope	A rectangle with sides parallel to a coordinate system defining the extent of another geometry; optionally has min and max measure, height and ID attributes.
GeocentricTranslation	Creates a geocentric translation.
GEOCONTransformation	Creates a GEOCON-based transformation.
Geographic2DOffsetTransformation	Creates a geographic 2D offset transformation.
GeographicCoordinateSystem	Creates a geographic coordinate system.
GeometryArray
GeometryBag	An ordered collection of objects that support the IGeometry interface.
GeometryEnvironment	Provides a way of creating geometries from different inputs and setting/getting global variables for controlling behavior of geometry methods.
GeometryServerImpl	Provides access to standard operations on geometric 'value' objects. The input geometries are never modified by these operations. Designed for use in building web services or other kinds of distributed applications.
GeoTransformation	Generic geotransformation class, holds either a WKT (string) or a WKID (factory code).
GeoTransformationOperationSet	Stores a set of geographic transformation operators (GT + direction).
HARNTransformation	Creates a HARN-based transformation.
JSONConverterGeometry
Line	A 2D straight line between a pair of 2D endpoints; can optionally have height, measure and ID attributes at each endpoint.
LinearUnit	Creates a linear unit of measure.
LinePolygonHelper	Helper class for processing of polygons consisting of rings formed from linear segments
LongitudeRotationTransformation	Creates a longitude rotation transformation.
MolodenskyBadekasTransformation	Creates a Molodensky-Badekas transformation.
MolodenskyTransformation	Creates a Molodensky transformation.
MultiPatch	A collection of surface patches.
Multipoint	An ordered collection of points; optionally has measure, height and ID attributes.
NADCONTransformation	Creates a NADCON-based transformation.
NTv2Transformation	Creates a NTv2-based transformation.
NullTransformation	Creates a null geographic transformation.
Parameter	Creates a parameter.
Path	A sequence of connected segments.
Point	A two dimensional point, optionally with measure, height, and ID attributes.
PointArray
Polygon	A collection of rings ordered by their containment relationship; optionally has measure, height and ID attributes.
PolygonArray	A collection of Polygon objects.
Polyline	An ordered collection of paths; optionally has measure, height and ID attributes.
PolylineArray	A collection of Polyline objects.
PositionVectorTransformation	Creates a Position Vector transformation.
PrimeMeridian	Creates a prime meridian.
ProjectedCoordinateSystem	Creates a projected coordinate system.
Projection	Creates a map projection.
ProjectiveTransformation2D	A two dimensional projective transformation.
Ray	A 3D ray that begins at a point and extends infinitely along a line in one direction only.
RelationResult	The indexes of geometrybag elements that are in a specified relation.
RelationResultArray
Ring	An area bounded by one, closed sequence of connected segments; optionally has measure, height and ID attributes at each vertex.
SegmentGraph	A topologically structured collection of segments.
SpatialReferenceEnvironment	Creates various spatial reference objects.
Sphere	A complete sphere.
Spheroid	Creates a spheroid.
TexturePersistenceProperties	Texture Persistence properties object.
TriangleFan	A continuous 3D fan of triangles, where each triangle after the first shares an edge with the preceding triangle, and all triangles share a common pivot point.
Triangles	A collection of 3D triangles, where each consecutive triplet of vertices defines a new triangle
TriangleStrip	A continuous 3D strip of triangles, where each triangle after the first shares an edge with the preceding triangle.
UnitChangeTransformation	Creates a unit change transformation.
UnknownCoordinateSystem	Creates an unknown coordinate system.
Vector3D	A 3D vector containing dx, dy, and dz components.
VerticalCoordinateSystem	Creates a vertical coordinate system.
VerticalDatum	Creates a vertical datum.

Structures

Structure	Description
esriGeometryNetworkVertexInfo
esriGeometryNetworkVertexInfo3D
esriOriginalSegmentMapping
esriRelationPair	Describes a pair of elements that belong to some spatial relation.
esriSegmentInfo	The structure returned by a call to IEnumSegment::NextEx.
esriSRHorizon
WKSPointVA	A point structure containing all vertex attributes.

Enumerations

Enumeration	Description
esriArcOrientation	Describes how to rotate about the arc's center getting from the 'from' point to the 'to' point of an arc.
esriBufferConstructionEndEnum	Line end (cap) buffering options for IBufferConstruction methods
esriBufferConstructionSideEnum	Line side buffering options for IBufferConstruction methods
esriConstructDivideEnum	Defines the kind of geometries produced by a ConstructDivide operation.
esriConstructOffsetEnum	Options for offset behavior at polycurve segment intersection corners.
esriConstructOffsetSimplifyEnum	method for removing self-intersecting loops from offset curves (used by IConstructCurve4::ConstructOffset.
esriCoordinateSystemFilter	A filter for lists of coordinate systems.
esriCurveDensifyMethod	The different ways of producing a piecewise linear approximation to a curve.
esriCurveExtension	Describes the options to be used when extending a polyline. See the IConstructCurve::ConstructExtended method.
esriCurveIteratorEnum	Identifies different stop options for an IEnumCurve iterator.
esriEnvelopeVertex	The "indexes" of the corners of an envelope. This enumeration can be used to interpret the hitSegmentIndex parameter of the IHitTest::HitTest method when hit testing against an envelope.
esriExtrapolationEnum	Options for M extrapolation (IMSegmentation::ExtrapolateMs).
esriGARSModeEnum	Determines the format of the GARS (global area reference system) description of a point.
esriGeodeticType	Describes the kinds of geodetic curves that can be constructed.
esriGeometryAttributes	The set of attributes that a geometry can have.
esriGeometryDimension	The topological dimension of a geometry.
esriGeometryEmbeddingDimension	The topological dimension of the space embedding the geometry.
esriGeometryError	Describes why a parameter to a method is incorrect, or why a method could not be completed.
esriGeometryHitPartType	Describes the parts of a geometry that can be located by their proximity to a query point. Specified as a parameter to the HitTest method.
esriGeometryServerMessageCodeEnum	Identifies messages that can be logged by the Geometry Server.
esriGeometryType	The available kinds of geometry objects.
esriGeometryUpdateMEnum	Describes how Ms should be updated by IMSegmentation2 methods.
esriMCurveRelationEnum	Information about where an M value falls relative to a curve (IMSegmentation2::GetSubcurveBetweenMsEx).
esriMGRSModeEnum	Determines the format of the MGRS description of a point.
esriMMonotonicEnum	Describes if the measures on the geometry are all ascending, all descending, or neither.
esriMonotinicityEnum	Describes trends in the value of an attribute.
esriMultiPatchRingType	MultiPatch Ring Types.
esriNonSimpleReasonEnum	Describes ways in which a geometry could be non-simple.
esriPatchType	The kinds of surface patches that can be contained in a MultiPatch.
esriProjectionHint	Describes the type of extent hints used by Project5 and ProjectEx5.
esriSegmentExtension	Describes if, how, and where to extend segments.
esriSegmentType	The types of segments that can be persisted in a new style Esri shapefile buffer (a polyline/polygon with Esri shape type esriShapeGeneralPolyline/Polygon.
esriShapeExportFlags	Flags used to control the behavior of IESRIShape2 export methods.
esriShapeImportFlags	Flags used to control the behavior of IESRIShape2 import methods.
esriShapeModifiers	Bits that can be added to the esriGeneral... shape types.
esriShapeType	Esri Shapefile shape types. Refer to the Esri Shapefile whitepaper for details. The ...General... types listed below are currently not public and not supported in shapefiles.
esriSpatialReferenceError	Describes why a parameter to a method is incorrect, or why a method could not be completed.
esriSpatialRelationEnum	Spatial relationship types - includes those defined by the OpenGIS Simple Features Specification For OLE/COM, Revision 1.1
esriSpatialRelationExEnum	Spatial relationship types used by WithinEx and ContainEx specifying details of the relationships
esriSRDatum2Type	More available datums.
esriSRDatum3Type	More available datums.
esriSRDatumType	The available datums.
esriSRGeoCS2Type	More geographic coordinate systems.
esriSRGeoCS3Type	More available geographic coordinate systems.
esriSRGeoCSType	The available geographic coordinate systems.
esriSRGeoTransformation2Type	More datum transformations: longitude rotation, NADCON, HARN and NTv2 methods.
esriSRGeoTransformation3Type	More available geographic/datum transformations.
esriSRGeoTransformationType	The available equation-based datum transformations.
esriSRHorizonType	Describes the type of horizon geometries generated by the Esri Projection Engine.
esriSRLimitsEnum	The largest number of parameters that a projection or projected coordinate system can have.
esriSRParameter2Type	More predefined parameters.
esriSRParameter3Type	More predefined parameters.
esriSRParameter4Type	More predefined parameters.
esriSRParameterType	The available predefined parameters.
esriSRPoleGeometry	Describes the geometry of a pole in a projected coordinate system.
esriSRPoleLocation	Describes the location of a pole with respect to the PCS horizon.
esriSRPrimeM2Type	More available prime meridians.
esriSRPrimeMType	The available prime meridians.
esriSRProjCS2Type	More projected coordinate systems.
esriSRProjCS3Type	More projected coordinate systems.
esriSRProjCS4Type	More available projected coordinate systems.
esriSRProjCSType	The available projected coordinate systems.
esriSRProjection2Type	More map projections.
esriSRProjection3Type	More map projections.
esriSRProjection4Type	More available map projections.
esriSRProjectionType	The available map projections.
esriSRSpheroid2Type	More available spheroids and spheres.
esriSRSpheroidType	The available spheroids and spheres.
esriSRToleranceEnum	Describes the ways a spatial reference tolerance value can be incorrect.
esriSRUnit2Type	More available units of measure.
esriSRUnitType	The available units of measure.
esriSRVerticalCSType	The available vertical coordinate systems.
esriSRVerticalDatumType	The available vertical datums.
esriTransformDirection	Specifies whether to apply a forward or reverse (inverse) transformation.
esriTurnDirectionEnum	The way in which a turn can be made when walking from one segment to another segment connected to it. The 'to' point of the first must be the same as the 'from' point of the second.
esriUTMConversionOptionsEnum	Specifies options for converting UTM coordinate strings to and from geographic coordinates
SegmentOverlapEnum	Describes the overlap between segments.
wkbByteOrder	The network byte order chosen for an OGIS OLE/COM Well Known Binary buffer (v1.1).
wkbGeometryType	Well-known binary (Wkb) Geometry Types.