Class: QgsRasterTransparencyWidget

Widget to control a layers transparency and related options

QgsRasterTransparencyWidget

Class Hierarchy

Base classes

QgsMapLayerConfigWidget	A panel widget that can be shown in the map style dock
QgsPanelWidget	Base class for any widget that can be shown as a inline panel
QWidget
QObject
QPaintDevice

class qgis.gui.QgsRasterTransparencyWidget

Bases: QgsMapLayerConfigWidget

__init__(layer: QgsRasterLayer | None, canvas: QgsMapCanvas | None, parent: QWidget | None = None)

Widget to control a layers transparency and related options

Parameters:

• layer (Optional[QgsRasterLayer])

• canvas (Optional[QgsMapCanvas])

• parent (Optional[QWidget] = None)

apply(self)

Apply any changes on the widget to the set layer.

createExpressionContext(self) → QgsExpressionContext

Return type:

QgsExpressionContext

pixelSelectorTool(self) → QgsMapToolEmitPoint | None

Returns the (possibly None) map pixel selector tool.

Added in version 3.22.

Return type:

Optional[QgsMapToolEmitPoint]

setContext(self, context: QgsSymbolWidgetContext)

Sets the context in which the dialog is shown, e.g., the associated map canvas and expression contexts.

Added in version 3.22.

Parameters:

context (QgsSymbolWidgetContext)

syncToLayer(self)

Sync the widget state to the layer set for the widget.