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

Methods

apply	Apply any changes on the widget to the set layer.
createExpressionContext
pixelSelectorTool	Returns the (possibly None) map pixel selector tool.
setContext	Sets the context in which the dialog is shown, e.g., the associated map canvas and expression contexts.
syncToLayer	Sync the widget state to the layer set for the widget.

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.