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Provides access to additional members that control a SpatialReference.
| Name | Description | |
|---|---|---|
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ZToXYFactor | Conversion factor from Z units to XY units. | 
| Classes | Description | 
|---|---|
| GeographicCoordinateSystem | Creates a geographic coordinate system. | 
| ProjectedCoordinateSystem | Creates a projected coordinate system. | 
| UnknownCoordinateSystem | Creates an unknown coordinate system. |