Here is a list of all enum values with links to the classes they belong to:
- o -
- Octagon : QgsEllipseSymbolLayer
- OddColumns : QgsLayoutTable
- OddRows : QgsLayoutTable
- Offset : QgsPropertyDefinition
- OGC_CurrentUpdateSequence : QgsWms::QgsServiceException
- OGC_FE : QgsWms::QgsWmsParametersFilter
- OGC_InvalidCRS : QgsWms::QgsServiceException
- OGC_InvalidDimensionValue : QgsWms::QgsServiceException
- OGC_InvalidFormat : QgsWms::QgsServiceException
- OGC_InvalidPoint : QgsWms::QgsServiceException
- OGC_InvalidSRS : QgsWms::QgsServiceException
- OGC_InvalidUpdateSequence : QgsWms::QgsServiceException
- OGC_LayerNotDefined : QgsWms::QgsServiceException
- OGC_LayerNotQueryable : QgsWms::QgsServiceException
- OGC_MissingDimensionValue : QgsWms::QgsServiceException
- OGC_OperationNotSupported : QgsWms::QgsServiceException
- OGC_StyleNotDefined : QgsWms::QgsServiceException
- Ogr : QgsSublayersDialog
- OnHold : QgsTask
- OnLine : QgsDiagramLayerSettings
- Online : QgsTerrainGenerator
- OnTick : QgsLayoutItemMapGrid
- opABS : QgsRasterCalcNode, QgsRasterMatrix
- OPACITIES : QgsWms::QgsWmsParameter
- Opacity : QgsPropertyDefinition
- opACOS : QgsRasterCalcNode, QgsRasterMatrix
- opAND : QgsRasterCalcNode, QgsRasterMatrix
- opASIN : QgsRasterCalcNode, QgsRasterMatrix
- opATAN : QgsRasterCalcNode, QgsRasterMatrix
- opCOS : QgsRasterCalcNode, QgsRasterMatrix
- opDIV : QgsRasterCalcNode, QgsRasterMatrix
- OPENAPI3 : QgsServerOgcApi
- opEQ : QgsRasterCalcNode, QgsRasterMatrix
- opGE : QgsRasterCalcNode, QgsRasterMatrix
- opGT : QgsRasterCalcNode, QgsRasterMatrix
- opLE : QgsRasterCalcNode, QgsRasterMatrix
- opLOG : QgsRasterCalcNode, QgsRasterMatrix
- opLOG10 : QgsRasterCalcNode, QgsRasterMatrix
- opLT : QgsRasterCalcNode, QgsRasterMatrix
- opMAX : QgsRasterCalcNode, QgsRasterMatrix
- opMIN : QgsRasterCalcNode, QgsRasterMatrix
- opMINUS : QgsRasterCalcNode, QgsRasterMatrix
- opMUL : QgsRasterCalcNode, QgsRasterMatrix
- opNE : QgsRasterCalcNode, QgsRasterMatrix
- opNONE : QgsRasterCalcNode
- opOR : QgsRasterCalcNode, QgsRasterMatrix
- opPLUS : QgsRasterCalcNode, QgsRasterMatrix
- opPOW : QgsRasterCalcNode, QgsRasterMatrix
- opSIGN : QgsRasterCalcNode, QgsRasterMatrix
- opSIN : QgsRasterCalcNode, QgsRasterMatrix
- opSQRT : QgsRasterCalcNode, QgsRasterMatrix
- opTAN : QgsRasterCalcNode, QgsRasterMatrix
- OptimizeForRendering : QgsSimplifyMethod
- Oracle : QgsManageConnectionsDialog
- OrderBelowAllLabels : QgsCallout
- OrderBelowIndividualLabels : QgsCallout
- OrderDatabaseProvider : QgsSourceSelectProvider
- OrderLocalProvider : QgsSourceSelectProvider
- OrderOtherProvider : QgsSourceSelectProvider
- OrderRemoteProvider : QgsSourceSelectProvider
- OrderSearchProvider : QgsSourceSelectProvider
- Original : QgsVectorFileWriter
- OriginalCrs : QgsRasterLayerSaveAsDialog
- OriginalExtent : QgsExtentGroupBox, QgsExtentWidget
- OriginalResolution : QgsRasterLayerSaveAsDialog
- OriginalValue : QgsLayoutObject
- OriginProvider : QgsFieldProxyModel
- OrthogonalTicks : QgsLayoutItemMapGrid
- Other : QgsOpenClUtils
- OUTPUTFORMAT : QgsWfs::QgsWfsParameter
- OutputRaw : QgsKernelDensityEstimation
- OutputScaled : QgsKernelDensityEstimation
- OutsideMapFrame : QgsLayoutItemMapGrid
- OverPoint : QgsDiagramLayerSettings
- Overwrite : QgsNewGeoPackageLayerDialog
