- u -

• UnaryOperatorText : QgsExpression , QgsSQLStatement
• unit : QgsSnappingUtils::LayerConfig
• upperSize : QgsDiagramInterpolationSettings
• upperValue : QgsDiagramInterpolationSettings , QgsOldSymbolMeta
• upsideDown : pal::LabelPosition , QgsLabelPosition
• upsidedownLabels : QgsPalLayerSettings
• uri : QgsMimeDataUtils::Uri
• useMaxDistance : QgsImageOperation::DistanceTransformProperties
• useSubstitutions : QgsPalLayerSettings
• utc : _nmeaGPGGA , _nmeaGPRMC , _nmeaINFO
• utcDateTime : QgsGPSInformation