- r -
- Radian : MgCoordinateSystemUnitCode
- Raster : MgPropertyType
- RasterProperty : MgFeaturePropertyType
- ReadOnly : MgResourcePermission
- ReadWrite : MgResourcePermission
- Region : MgGeometricDimension
- RenderingService : MgServiceType
- ResourceService : MgServiceType
- RGB : MgRasterDataModelType
- RGBA : MgRasterDataModelType
- RGF93 : MgCoordinateSystemGeodeticTransformationMethod
- RNGORD : MgCoordinateSystemErrorCode
- Robinson : MgCoordinateSystemProjectionCode
- Rod : MgCoordinateSystemUnitCode
- Rood : MgCoordinateSystemUnitCode
- Rot : MgCoordinateSystemProjectionFormatType
- Rskew : MgCoordinateSystemProjectionCode
- Rskewc : MgCoordinateSystemProjectionCode
- Rskewo : MgCoordinateSystemProjectionCode