| Class | Description |
 | AngularUnit | Represents an angular unit of measure used by a Geometry or SpatialReference, or in measurement conversion functions. |
 | AreaUnit |
Represent an area unit of measure.
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 | BasicMaterial | A Material class describing basic graphic properties. |
 | CompositeGeographicTransformation | A composite geographic transformation class is an ordered list of GeographicTransformation classes. The geographic transformations are applied in the order they are stored. |
 | CompositeHVDatumTransformation | A composite hv datum transformation class is an ordered list of HVDatumTransformation classes. The hv datum transformations are applied in the order they are stored. |
 | CoordinateSystemListEntry |
Provides the wkid, name and category (or region) of a particular coordinate system.
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 | CubicBezierBuilder | Constructs a third degree CubicBezierSegment for use in a Multipart geometry. |
 | CubicBezierSegment | Represents a third degree cubic Bezier curve for use in a Multipart geometry. |
 | Datum | Describes the horizontal datum of a geographic coordinate system. It is returned from SpatialReference.Datum. |
 | DatumTransformation | An abstract class for datum transformations. Currently, a datum transformation can be a GeographicTransformation or a CompositeGeographicTransformation or HVDatumTransformation or CompositeHVDatumTransformation. |
 | EllipticArcBuilder | Constructs an EllipticArcSegment for use in a Multipart geometry. |
 | EllipticArcSegment | Represents an elliptic arc segment for use in a Multipart geometry. |
 | Envelope |
An envelope is an axis-aligned box described by the coordinates
of the lower left corner and the coordinates of the upper right corner.
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 | EnvelopeBuilder | Builder for creating an envelope. |
 | EnvelopeBuilderEx | A pure .Net builder for creating an Envelope. |
 | GenericCOMException |
Thrown when there is a generic COM exception.
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 | GeodesicEllipseParameter | Options for creating a geodesic ellipse with the GeometryEngine.GeodesicEllipse function. |
 | GeodesicSectorParameter | Options for creating a geodesic ellipse with the GeometryEngine.GeodesicSector function. |
 | GeographicTransformation |
A geographic transformation is used when
projecting geometries between two different geographic coordinate systems. A geographic
transformation converts everything that needs to be changed including the units,
prime meridian, and the ellipsoid. Every transformation is defined in a particular forward
direction, say from GCS A to GCS B, but all are reversible. For example, a geographic
transformation may be defined to convert from NAD27 to WGS84. If you are projecting from
WGS84 to NAD27, you can use the reversed form of the transformation.
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 | GeographicTransformationListEntry |
Provides the name, wkid, and wkids of the spatial references from which and to which the data will be projected.
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 | Geometry |
An abstract base class for objects that define geometric shapes. Geometry objects can be used
as geometry definitions for rendering data.
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 | GeometryBag |
A class representing a GeometryBag.
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 | GeometryBagBuilder | Builder for creating a GeometryBag. |
 | GeometryBuilder<T> |
An abstract base class for all geometry builders.
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 | GeometryBuilderEx |
An abstract base class for all pure .Net geometry builders.
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 | GeometryEngine |
Utility for performing geometric operations.
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 | GeometryException |
General geometry exception; for example if a geometry type is not supported.
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 | GeometryObjectException |
Indicates there is a problem with a geometry parameter passed to a GeometryEngine function. For example the geometry is empty or non z-aware (when passed to a function expecting a z-aware geometry).
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 | GridUnit |
Represents a grid unit for a geographic location.
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 | HVDatumTransformation |
A hv (horizontal/vertical) datum transformation is used when
projecting z-aware geometries between two different geographic coordinate systems and two
different vertical coordinate systems. As with geographic transformations, a hv datum
transformation converts everything that needs to be changed including the units,
prime meridian, and the ellipsoid. In addition, a hv datum transformation transforms height.
Every transformation is defined in a particular forward direction, but all are reversible.
For example, suppose your z-aware geometry is in WGS84 with vertical coordinate system EGM2008_Geoid,
and you want to project to NAD83_2011 with vertical coordinate system NAD83_2011.
A hv datum transformation is defined to project your z-aware geometry from WGS84 with
vertical coordinate system EGM2008_Geoid to NAD83_2011 with vertical coordinate system NAD83_2011.
If you are projecting from NAD83_2011 with vertical coordinate system NAD83_2011 to
WGS84 with vertical coordinate system EGM2008_Geoid to NAD83_2011, you can use the reversed
form of the transformation.
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 | InvalidParameterException |
Thrown when a geometry engine parameter is invalid.
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 | JPEGTexture | A TextureMap that contains a Jpeg image. |
 | JSONException |
Thrown when there is a JSON error.
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 | LinearUnit | Represents a linear unit of measure used by a Geometry or SpatialReference, or in measurement conversion functions. |
 | LineBuilder | Builder for creating a LineSegment. |
 | LineSegment | A class representing a straight line between a start and end point for use in a Multipart geometry. |
 | MapPoint |
A MapPoint represents a single location in space. The location consists of X and Y values and optionally a Z and/or M value.
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 | MapPointBuilder | Builder for creating a map point. |
 | MapPointBuilderEx | A pure .Net builder for creating a MapPoint. |
 | Material |
An abstract Material instance.
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 | Multipart |
An abstract base class for multipart geometry types.
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 | MultipartBuilder<T> | Abstract base class for the PolylineBuilder and PolygonBuilder classes. |
 | Multipatch |
A class representing a multipatch.
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 | MultipatchBuilder | Builder for creating a multipatch. |
 | MultipatchBuilderEx | A pure .Net builder for creating a Multipatch. |
 | Multipoint | A Multipoint is a ordered collection of map points. |
 | MultipointBuilder | Builder for creating a Multipoint. |
 | MultipointBuilderEx | A pure .NET builder for creating a Multipoint. |
 | NullGeometryObjectException |
Indicates the geometry is null or empty.
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 | OperationException |
Thrown when a geometry operation fails.
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 | Patch | A class to create a patch for a Multipatch. Use MultipatchBuilderEx to construct a Multipatch from patches. |
 | Polygon |
A class representing a polygon.
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 | PolygonBuilder | Builder for creating a polygon. |
 | Polyline |
A class representing a polyline.
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 | PolylineBuilder | Builder for creating a polyline. |
 | ProjectionEngineException |
Thrown when there is a problem with the projection engine.
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 | ProjectionTransformation | A projection transformation describes parameters used to project geometries from one spatial reference to another. Used in the GeometryEngine.ProjectEx method. |
 | ProximityResult | Result from a GeometryEngine proximity operation such as GeometryEngine.NearestPoint or GeometryEngine.NearestVertex. |
 | ReadOnlyPartCollection | A Read-only collection of ReadOnlySegmentCollection parts used by Polyline and Polygon. |
 | ReadOnlyPointCollection | A read-only collection of MapPoints. |
 | ReadOnlySegmentCollection | A read only collection of Segment classes. |
 | Segment | Abstract class representing a start and end point and how they are connected. The most common is a straight line LineSegment. |
 | SegmentBuilder | Abstract base class for Builders of all segment types to include:
- Line
- Bezier curve
- Elliptic Arc
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 | SpatialReference |
Class representing a spatial reference.
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 | SpatialReferenceBuilder | Builder for creating a SpatialReference. |
 | SpatialReferenceImmutableException | Thrown by SpatialReferenceBuilder when attempting to alter a populated spatial reference object. |
 | SpatialReferences |
Contains some common spatial references.
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 | Texture |
An abstract texture class.
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 | TextureMap | A Texture class that contains a raster image. |
 | TextureResource | A texture resource class that wraps a Texture instance. |
 | ToGeoCoordinateParameter | A class used as the parameter to MapPoint.ToGeoCoordinateString. |
 | UncompressedTexture | A TextureMap that contains a raw uncompressed raster image. |
 | Unit | A common base class between all units, linear, area and angular units. |