Provides access to additional members that associate a spatial reference with a vertical coordinate system.
Product Availability
Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.
When To Use
Use ISpatialReference3 to work with the vertical coordinate system part of a spatial reference.
Members
| Description | ||
|---|---|---|
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Abbreviation | The abbreviated name of this spatial reference component. | 
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Alias | The alias of this spatial reference component. | 
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ApplyPrecision | Applies the measure and z value precisions. | 
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ApplyXYPrecision | Applies the XY precision. | 
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Changed | Notify this object that some of its parts have changed (parameter values, z unit, etc.). | 
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FactoryCode | The factory code (WKID) of the spatial reference. | 
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GetDomain | The XY domain extent. | 
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GetFalseOriginAndUnits | Get the false origin and units. | 
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GetMDomain | The measure domain extent. | 
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GetMFalseOriginAndUnits | Get the measure false origin and units. | 
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GetZDomain | The Z domain extent. | 
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GetZFalseOriginAndUnits | Get the Z false origin and units. | 
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HasMPrecision | Returns true when m-value precision information has been defined. | 
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HasXYPrecision | Returns true when (x,y) precision information has been defined. | 
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HasZPrecision | Returns true when z-value precision information has been defined. | 
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IsMPrecisionEqual | Returns true if the measure precisions of the two spatial references are the same. | 
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IsPrecisionEqual | Returns TRUE when the precision information for the two spatial references is the same. | 
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IsXYPrecisionEqual | Returns true if the XY precisions of the two spatial references are the same. | 
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IsZPrecisionEqual | Returns true if the Z precisions of the two spatial references are the same. | 
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Name | The name of this spatial reference component. | 
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ProjectionHint | Projection hint for speeding up projections. | 
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Remarks | The comment string of this spatial reference component. | 
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SetDomain | The XY domain extent. | 
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SetFalseOriginAndUnits | Set the false origin and units. | 
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SetMDomain | The measure domain extent. | 
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SetMFalseOriginAndUnits | Set the measure false origin and units. | 
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SetZDomain | The Z domain extent. | 
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SetZFalseOriginAndUnits | Set the Z false origin and units. | 
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VerticalCoordinateSystem | The VCS associated with this spatial reference. | 
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ZCoordinateUnit | The unit for the Z coordinate. | 
Inherited Interfaces
| Interfaces | Description | 
|---|---|
| ISpatialReference2 | Provides access to additional members that control a SpatialReference. | 
| ISpatialReference | Provides access to members that control a SpatialReference. | 
| ISpatialReferenceInfo | Provides access to members that control the properties common to all components of a spatial reference system. | 
CoClasses that implement ISpatialReference3
| CoClasses and Classes | Description | 
|---|---|
| GeographicCoordinateSystem | Creates a geographic coordinate system. | 
| ProjectedCoordinateSystem | Creates a projected coordinate system. | 



