Class: QgsRasterAttributeTableWidget¶

The QgsRasterAttributeTableWidget class provides an attribute table for rasters and methods to edit the table.

Added in version 3.30.

Class Hierarchy¶

`QgsPanelWidget`	Base class for any widget that can be shown as a inline panel
QWidget
QObject
QPaintDevice

Methods

`isDirty`	Returns `True` if the associated raster attribute table is dirty
`saveChanges`	Save the changes in the raster attribute table.
`setEditable`	Set the editable state, it may trigger save changes if the attribute table has unsave changes.
`setMessageBar`	Sets the message bar associated with the widget.
`setRasterLayer`	Sets the raster layer and an optional band number.

Signals

This signal is emitted after a successful classify operation which changed the raster renderer.

class qgis.gui.QgsRasterAttributeTableWidget[source]¶

__init__(parent: QWidget | None = None, rasterLayer: QgsRasterLayer | None = None, bandNumber: int = 0)

Creates a new QgsRasterAttributeTableWidget

Parameters:

parent (Optional[QWidget] = None) – parent widget
rasterLayer (Optional[QgsRasterLayer] = None) – raster layer
bandNumber (int = 0) – optional initial selected band number (default to 0, which makes the widget use the first available RAT, if any)

isDirty(self) → bool[source]¶

Returns True if the associated raster attribute table is dirty

signal rendererChanged[source]¶: This signal is emitted after a successful classify operation which changed the raster renderer.

saveChanges(self)[source]¶: Save the changes in the raster attribute table.

setEditable(self, editable: bool, allowCancel: bool = True) → bool[source]¶

Set the editable state, it may trigger save changes if the attribute table has unsave changes.

Parameters:

editable (bool) – editable state
allowCancel (bool = True) – optional (default True) flag to show cancel option in confirm save dialog.

Return type:

bool

setMessageBar(self, bar: QgsMessageBar | None)[source]¶

Sets the message bar associated with the widget. This allows the widget to push feedback messages to the appropriate message bar.

setRasterLayer(self, rasterLayer: QgsRasterLayer | None, bandNumber: int = 0)[source]¶

Sets the raster layer and an optional band number.

Parameters:

rasterLayer (Optional[QgsRasterLayer]) – raster layer
bandNumber (int = 0) – optional initial selected band number (default to 0, which makes the widget use the first available RAT, if any)