Class: QgsSingleBandPseudoColorRendererWidget

Single band pseudo color renderer widget consists of a color ramp shader widget, a raster min max widget and a band selector.

QgsSingleBandPseudoColorRendererWidget

Class Hierarchy

Base classes

QgsRasterRendererWidget	Abstract base class for widgets which configure a QgsRasterRenderer.
QWidget
QObject
QPaintDevice

Methods

loadMinMax	called when new min/max values are loaded
loadMinMaxFromTree	called when the color ramp tree has changed
setFromRenderer	Sets the widget state from the specified renderer.

Static Methods

create

Creates new raster renderer widget

class qgis.gui.QgsSingleBandPseudoColorRendererWidget

Bases: QgsRasterRendererWidget

__init__(layer: QgsRasterLayer | None, extent: QgsRectangle = QgsRectangle())

Constructor for QgsSingleBandPseudoColorRendererWidget.

Parameters:

• layer (Optional[QgsRasterLayer]) – associated raster layer

• extent (QgsRectangle = QgsRectangle()) – current canvas extent

static create(layer: QgsRasterLayer | None, extent: QgsRectangle) → QgsRasterRendererWidget | None

Creates new raster renderer widget

Parameters:

• layer (Optional[QgsRasterLayer])

• extent (QgsRectangle)

Return type:

Optional[QgsRasterRendererWidget]

loadMinMax(self, bandNo: int, min: float, max: float)

called when new min/max values are loaded

Parameters:

• bandNo (int)

• min (float)

• max (float)

loadMinMaxFromTree(self, min: float, max: float)

called when the color ramp tree has changed

Parameters:

• min (float)

• max (float)

setFromRenderer(self, r: QgsRasterRenderer | None)

Sets the widget state from the specified renderer.

Parameters:

r (Optional[QgsRasterRenderer])