Class: QgsDataDefinedSizeLegendNode

class qgis.core.QgsDataDefinedSizeLegendNode

Bases: QgsLayerTreeModelLegendNode

Produces legend node with a marker symbol

Added in version 3.0.

QgsDataDefinedSizeLegendNode(nodeLayer: Optional[QgsLayerTreeLayer], settings: QgsDataDefinedSizeLegend, parent: Optional[QObject] = None) Construct the node using QgsDataDefinedSizeLegend as definition of the node’s appearance

Methods

childEvent

connectNotify

createTemporaryRenderContext

Returns a temporary context or None if legendMapViewData are not valid

customEvent

data

param role:

disconnectNotify

draw

param settings:

isSignalConnected

receivers

sender

senderSignalIndex

timerEvent

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:
Return type:

QgsLayerTreeModelLegendNode.ItemMetrics

isSignalConnected(self, signal: QMetaMethod) → bool
receivers(self, signal: PYQT_SIGNAL) → int
sender(self) → QObject | None
senderSignalIndex(self) → int
timerEvent(self, a0: QTimerEvent | None)