Class: QgsDataDefinedSizeLegendNode¶
- class qgis.core.QgsDataDefinedSizeLegendNode¶
Bases:
QgsLayerTreeModelLegendNode
Produces legend node with a marker symbol
QgsDataDefinedSizeLegendNode(nodeLayer: Optional[QgsLayerTreeLayer], settings:
QgsDataDefinedSizeLegend
, parent: Optional[QObject] = None) Construct the node usingQgsDataDefinedSizeLegend
as definition of the node’s appearanceMethods
Returns a temporary context or
None
if legendMapViewData are not valid- param role:
- param settings:
- childEvent(self, a0: QChildEvent | None)¶
- connectNotify(self, signal: QMetaMethod)¶
- createTemporaryRenderContext(self) QgsRenderContext | None ¶
Returns a temporary context or
None
if legendMapViewData are not valid
- customEvent(self, a0: QEvent | None)¶
- data(self, role: int) Any ¶
- Parameters:
role (int)
- Return type:
Any
- disconnectNotify(self, signal: QMetaMethod)¶
- draw(self, settings: QgsLegendSettings, ctx: QgsLayerTreeModelLegendNode.ItemContext | None) QgsLayerTreeModelLegendNode.ItemMetrics ¶
- Parameters:
settings (QgsLegendSettings)
ctx (Optional[QgsLayerTreeModelLegendNode.ItemContext])
- Return type:
- isSignalConnected(self, signal: QMetaMethod) bool ¶
- receivers(self, signal: PYQT_SIGNAL) int ¶
- sender(self) QObject | None ¶
- senderSignalIndex(self) int ¶
- timerEvent(self, a0: QTimerEvent | None)¶