Class: QgsGraduatedSymbolRendererWidget¶

QgsGraduatedSymbolRenderer for a color varying symbol¶

QgsGraduatedSymbolRenderer for a size varying symbol¶

Class Hierarchy¶

Base classes¶

`QgsRendererWidget`	Base class for renderer settings widgets.
`QgsPanelWidget`	Base class for any widget that can be shown as a inline panel
QWidget
QObject
QPaintDevice
`QgsExpressionContextGenerator`	Abstract interface for generating an expression context.

Methods

`addClass`	Adds a class manually to the classification
`applyChangeToSymbol`	Applies current symbol to selected ranges, or to all ranges if none is selected
`changeCurrentValue`
`changeRange`
`changeRangeSymbol`
`changeSelectedSymbols`
`classifyGraduated`
`connectUpdateHandlers`
`deleteAllClasses`	Removes all classes from the classification
`deleteClasses`	Removes currently selected classes
`disconnectUpdateHandlers`
`findSymbolForRange`
`graduatedColumnChanged`
`labelFormatChanged`
`modelDataChanged`
`rangesClicked`
`rangesDoubleClicked`
`reapplyColorRamp`
`reapplySizes`
`refreshRanges`	Refreshes the ranges for the renderer.
`rowsMoved`
`rowsOrdered`
`selectedClasses`	Returns a list of indexes for the classes under selection
`selectedRanges`
`showSymbolLevels`
`toggleBoundariesLink`	Toggle the link between classes boundaries
`updateUiFromRenderer`

class qgis.gui.QgsGraduatedSymbolRendererWidget(layer: QgsVectorLayer | None, style: QgsStyle | None, renderer: QgsFeatureRenderer | None)[source]¶

Bases: QgsRendererWidget

addClass(self)[source]¶: Adds a class manually to the classification

applyChangeToSymbol(self)[source]¶: Applies current symbol to selected ranges, or to all ranges if none is selected

changeCurrentValue(self, item: QStandardItem | None)[source]¶

Parameters:: item (Optional[QStandardItem])

changeRange(self, rangeIdx: int)[source]¶

Parameters:: rangeIdx (int)

changeRangeSymbol(self, rangeIdx: int)[source]¶

Parameters:: rangeIdx (int)

changeSelectedSymbols(self)[source]¶

classifyGraduated(self)[source]¶

connectUpdateHandlers(self)[source]¶

deleteAllClasses(self)[source]¶: Removes all classes from the classification

deleteClasses(self)[source]¶: Removes currently selected classes

disconnectUpdateHandlers(self)[source]¶

findSymbolForRange(self, lowerBound: float, upperBound: float, ranges: Iterable[QgsRendererRange]) → QgsSymbol | None[source]¶

Parameters:

lowerBound (float)
upperBound (float)
ranges (Iterable[QgsRendererRange])

Return type:

Optional[QgsSymbol]

graduatedColumnChanged(self, field: str | None)[source]¶

Parameters:: field (Optional[str])

labelFormatChanged(self)[source]¶

modelDataChanged(self)[source]¶

rangesClicked(self, idx: QModelIndex)[source]¶

Parameters:: idx (QModelIndex)

rangesDoubleClicked(self, idx: QModelIndex)[source]¶

Parameters:: idx (QModelIndex)

reapplyColorRamp(self)[source]¶

reapplySizes(self)[source]¶

refreshRanges(self, reset: bool)[source]¶

Refreshes the ranges for the renderer.

The reset argument is deprecated and has no effect.

Parameters:: reset (bool)

rowsMoved(self)[source]¶

rowsOrdered(self) → bool[source]¶

Return type:: bool

selectedClasses(self) → List[int]¶

Returns a list of indexes for the classes under selection

Return type:: List[int]

selectedRanges(self) → List[QgsRendererRange][source]¶

Return type:: List[QgsRendererRange]

showSymbolLevels(self)[source]¶

toggleBoundariesLink(self, linked: bool)[source]¶

Toggle the link between classes boundaries

Parameters:: linked (bool)

updateUiFromRenderer(self, updateCount: bool = True)[source]¶

Parameters:: updateCount (bool = True)