Here is a list of all enum values with links to the classes they belong to:
- r -
- RA_Average : QgsAlignRaster
- RA_Bilinear : QgsAlignRaster
- RA_Cubic : QgsAlignRaster
- RA_CubicSpline : QgsAlignRaster
- RA_Lanczos : QgsAlignRaster
- RA_Max : QgsAlignRaster
- RA_Median : QgsAlignRaster
- RA_Min : QgsAlignRaster
- RA_Mode : QgsAlignRaster
- RA_NearestNeighbour : QgsAlignRaster
- RA_Q1 : QgsAlignRaster
- RA_Q3 : QgsAlignRaster
- Radians : QgsVectorFieldSymbolLayer
- Random : QgsMeshRendererVectorStreamlineSettings
- Range : QgsAggregateCalculator, QgsDateTimeStatisticalSummary, QgsRasterBandStats, QgsStatisticalSummary, QgsZonalStatistics
- Raster : QgsAbstractDatabaseProviderConnection
- RasterBandInvalid : QgsZonalStatistics
- RasterInvalid : QgsZonalStatistics
- RasterIoError : QgsKernelDensityEstimation
- RasterLayer : QgsMapLayerProxyModel, QgsMapToolIdentify
- RasterSymbolLegend : QgsLayerTreeModelLegendNode
- Raw : QgsRasterFileWriter
- RawDataMode : QgsRasterLayerSaveAsDialog
- Read : QgsReadWriteLocker
- ReadLayerMetadata : QgsPointCloudDataProvider, QgsRasterDataProvider, QgsVectorDataProvider
- Ready : Qgs3DMapScene
- RecentCrs : QgsProjectionSelectionWidget
- Rectangle : QgsEllipseSymbolLayer, QgsLayoutItemShape, QgsTextDiagram
- Red : QgsColorWidget
- RedBand : QgsRaster
- Referenced : QgsWeakRelation
- ReferenceValue : QgsServerWmsDimensionProperties::WmsDimensionInfo
- Referencing : QgsWeakRelation
- RegeneratePrimaryKey : QgsFeatureSink
- Registered : QgsRuleBased3DRenderer::Rule, QgsRuleBasedLabeling::Rule
- RegularExpression : QgsBrowserProxyModel
- Relation : QgsAttributesFormProperties::DnDTreeItemData
- RelationChildren : QgsLayoutItemAttributeTable
- Relations : QgsMapLayer
- RelativeAngle : QgsAdvancedDigitizingDockWidget
- RelativeCoordinates : QgsAdvancedDigitizingDockWidget
- RelativeDefaultPath : QgsFileWidget
- RelativeHeightAveragingMethod : QgsMesh3dAveragingMethod
- RelativeProject : QgsFileWidget
- ReloadData : QgsRasterDataProvider, QgsVectorDataProvider
- Remote : QgsPointCloudIndex
- Removable : QgsMapLayer
- Remove : QgsRasterInterface
- RemoveDuplicates : QgsGeometryDuplicateCheck, QgsGeometryDuplicateNodesCheck
- RemoveFeatures : QgsOfflineEditing
- RemoveHoles : QgsGeometryHoleCheck
- RemoveObject : QgsGeometryMultipartCheck
- RenameAttributes : QgsVectorDataProvider
- RenameField : QgsAbstractDatabaseProviderConnection
- RenameRasterTable : QgsAbstractDatabaseProviderConnection
- RenameSchema : QgsAbstractDatabaseProviderConnection
- RenameVectorTable : QgsAbstractDatabaseProviderConnection
- Render : QgsPaintEffect
- Rendered : QgsRuleBasedRenderer::Rule
- RenderedImageMode : QgsRasterLayerSaveAsDialog
- Renderer : QgisPlugin
- RendererOpacity : QgsRasterPipe
- RenderInches : QgsUnitTypes
- Rendering : QgsMapLayer
- RenderLabelsByMapLayer : QgsMapRendererStagedRenderJob
- RenderMapUnits : QgsUnitTypes
- RenderMetersInMapUnits : QgsUnitTypes
- RenderMillimeters : QgsUnitTypes
- RenderOutlineLabels : QgsLabelingEngineSettings
- RenderPercentage : QgsUnitTypes
- RenderPixels : QgsUnitTypes
- RenderPoints : QgsUnitTypes
- RenderUnits : QgsPropertyDefinition
- RenderUnknownUnit : QgsUnitTypes
- RepeatDistance : QgsPalLayerSettings
- RepeatDistanceUnit : QgsPalLayerSettings
- RepeatOnEveryPage : QgsLayoutMultiFrame
- RepeatUntilFinished : QgsLayoutMultiFrame
- ReplaceFilter : QgsAttributeForm
- Report : QgsMasterLayoutInterface
- REQUEST : QgsServerParameter
- ResizeFrameDown : QgsMapCanvasAnnotationItem
- ResizeFrameLeft : QgsMapCanvasAnnotationItem
- ResizeFrameLeftDown : QgsMapCanvasAnnotationItem
- ResizeFrameLeftUp : QgsMapCanvasAnnotationItem
- ResizeFrameRight : QgsMapCanvasAnnotationItem
- ResizeFrameRightDown : QgsMapCanvasAnnotationItem
- ResizeFrameRightUp : QgsMapCanvasAnnotationItem
- ResizeFrameUp : QgsMapCanvasAnnotationItem
- ResizeNarrowest : QgsLayoutAligner
- ResizeShortest : QgsLayoutAligner
- ResizeTallest : QgsLayoutAligner
- ResizeToSquare : QgsLayoutAligner
- ResizeWidest : QgsLayoutAligner
- RespectPainterOrientation : QgsTextRendererUtils
- ResultActionsRole : QgsLocatorModel
- ResultDataRole : QgsLocatorModel
- ResultFilterGroupSortingRole : QgsLocatorModel
- ResultFilterNameRole : QgsLocatorModel
- ResultFilterPriorityRole : QgsLocatorModel
- RESULTS : QgsWfs::QgsWfsParameters
- ResultScoreRole : QgsLocatorModel
- RESULTTYPE : QgsWfs::QgsWfsParameter
- ResultTypeRole : QgsLocatorModel
- RetrieveFieldDomain : QgsAbstractDatabaseProviderConnection
- RetrieveRelationships : QgsAbstractDatabaseProviderConnection
- ReturnPressed : QgsAdvancedDigitizingDockWidget
- Reverse : QgsTemporalNavigationObject
- Rgb : QgsColorTextWidget
- Rgba : QgsColorTextWidget
- RgbRendering : QgsPointCloud3DSymbol
- Right : QgsDiagramSettings, QgsLayoutItemMapGrid, QgsLegendStyle, QgsMarkerSymbolLayer
- RightHalfTriangle : QgsEllipseSymbolLayer
- Ring : QgsGeometryUtils, QgsPointDisplacementRenderer
- RoleAlgorithmFlags : QgsProcessingToolboxModel
- RoleAlgorithmId : QgsProcessingToolboxModel
- RoleAlgorithmName : QgsProcessingToolboxModel
- RoleAlgorithmShortDescription : QgsProcessingToolboxModel
- RoleAlgorithmTags : QgsProcessingToolboxModel
- RoleComment : QgsDatabaseTableModel
- RoleConfiguration : QgsProviderConnectionModel
- RoleConnectionName : QgsProviderConnectionModel
- RoleCrs : QgsDatabaseTableModel
- RoleCustomInfo : QgsDatabaseTableModel
- RoleEmpty : QgsDatabaseSchemaModel, QgsDatabaseTableModel, QgsProviderConnectionModel
- RoleExtent : QgsBookmarkManagerModel
- RoleGroup : QgsBookmarkManagerModel
- RoleId : QgsBookmarkManagerModel
- RoleName : QgsBookmarkManagerModel
- RoleNodeType : QgsProcessingToolboxModel
- RoleProviderFlags : QgsProcessingToolboxModel
- RoleSchema : QgsDatabaseTableModel
- RoleTableFlags : QgsDatabaseTableModel
- RoleTableName : QgsDatabaseTableModel
- RoleUri : QgsProviderConnectionModel
- RoleWkbType : QgsDatabaseTableModel
- RollBackOnErrors : QgsFeatureSink
- RootPath : QgsWidgetWrapper
- Rotation : QgsPalLayerSettings, QgsPropertyDefinition
- ROTATION : QgsWms::QgsWmsParameter
- RotationFixed : QgsTextBackgroundSettings
- RotationOffset : QgsTextBackgroundSettings
- RotationSync : QgsTextBackgroundSettings
- RULE : QgsWms::QgsWmsParameter
- RuleKeyRole : QgsLayerTreeModelLegendNode
- RULELABEL : QgsWms::QgsWmsParameter
- Running : QgsTask