Subgroup: Data

Class: QgsDataDefinedSizeLegendNode¶

class qgis.core.QgsDataDefinedSizeLegendNode¶

Bases: qgis._core.QgsLayerTreeModelLegendNode

Produces legend node with a marker symbol

New in version 3.0: Methods

`blockSignals`
`childEvent`
`children`
`connectNotify`
`createTemporaryRenderContext`
`customEvent`
`data`
`deleteLater`
`disconnect`
`disconnectNotify`
`draw`
`drawSymbol`	Draws symbol on the left side of the item
`drawSymbolText`	Draws label on the right side of the item
`dumpObjectInfo`
`dumpObjectTree`
`dynamicPropertyNames`
`event`
`eventFilter`
`findChild`	findChild(self, Tuple, name: str = ‘’, options: Union[Qt.FindChildOptions, Qt.FindChildOption] = Qt.FindChildrenRecursively) -> QObject
`findChildren`	findChildren(self, Tuple, name: str = ‘’, options: Union[Qt.FindChildOptions, Qt.FindChildOption] = Qt.FindChildrenRecursively) -> List[QObject]
`flags`	Return item flags associated with the item.
`inherits`
`installEventFilter`
`invalidateMapBasedData`	Notification from model that information from associated map view has changed.
`isEmbeddedInParent`
`isScaleOK`
`isSignalConnected`
`isWidgetType`
`isWindowType`
`killTimer`
`layerNode`	Return pointer to the parent layer node
`metaObject`
`model`	Return pointer to model owning this legend node
`moveToThread`
`objectName`
`parent`
`property`
`pyqtConfigure`	Each keyword argument is either the name of a Qt property or a Qt signal.
`receivers`
`removeEventFilter`
`sender`
`senderSignalIndex`
`setData`	Set some data associated with the item.
`setEmbeddedInParent`
`setObjectName`
`setParent`
`setProperty`
`setUserLabel`
`signalsBlocked`
`startTimer`
`thread`
`timerEvent`
`tr`
`userLabel`

Attributes

`ParentRuleKeyRole`
`RuleKeyRole`
`dataChanged`	Emitted on internal data change so the layer tree model can forward the signal to views [signal]
`destroyed`	destroyed(self, QObject = None) [signal]
`objectNameChanged`	objectNameChanged(self, str) [signal]
`staticMetaObject`

draw(self, settings: QgsLegendSettings, ctx: QgsLayerTreeModelLegendNode.ItemContext) → QgsLayerTreeModelLegendNode.ItemMetrics¶