- o -

• obstacle : pal::LabelPosition::PruneCtx , QgsPalLayerSettings
• obstacleCount : _obstaclebackCtx
• obstacleFactor : QgsPalLayerSettings
• obstacles : _featCbackCtx , _obstaclebackCtx
• obstacleType : QgsPalLayerSettings
• offset : QgsGradientStop
• offsetType : QgsPalLayerSettings
• offsetUnits : QgsPalLayerSettings
• ok : _nokContext
• old_label : pal::_elementary_transformation
• onlySelectedFeatures : QgsVectorFileWriter::SaveVectorOptions
• opacity : QgsDiagramSettings
• openLicense : QgsDatumTransform::GridDetails
• operationDetails : QgsDatumTransform::TransformDetails
• orderBy : QgsAggregateCalculator::AggregateParameters
• organization : QgsAbstractMetadataBase::Contact
• origin : QgsFields::Field
• originalNodes : QgsLayerTreeModel::LayerLegendData
• originIndex : QgsFields::Field
• outputFilename : QgsAlignRaster::Item
• outputFormat : QgsWfs::getFeatureRequest
• outputName : QgsProcessingContext::LayerDetails
• outputValues : QgsKernelDensityEstimation::Parameters
• overrideGeometryType : QgsVectorFileWriter::SaveVectorOptions
• overrunDistance : QgsPalLayerSettings
• overrunDistanceMapUnitScale : QgsPalLayerSettings
• overrunDistanceUnit : QgsPalLayerSettings