Class: QgsMapUnitScaleWidget

A widget which allows the user to choose the minimum and maximum scale of an object in map units and millimeters.

This widget is designed to allow users to edit the properties of a QgsMapUnitScale object.

See also

QgsMapUnitScaleDialog

See also

QgsUnitSelectionWidget

Class Hierarchy

Base classes

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

class qgis.gui.QgsMapUnitScaleWidget

Bases: QgsPanelWidget

__init__(parent: QWidget | None = None)

Constructor for QgsMapUnitScaleWidget.

Parameters:

parent (Optional[QWidget] = None) – parent widget

mapUnitScale(self) → QgsMapUnitScale

Returns a QgsMapUnitScale representing the settings shown in the widget.

See also

setMapUnitScale()

See also

mapUnitScaleChanged()

Return type:

QgsMapUnitScale

signal mapUnitScaleChanged

pyqtSignal(*types, name: str = …, revision: int = …, arguments: Sequence = …) -> PYQT_SIGNAL

types is normally a sequence of individual types. Each type is either a type object or a string that is the name of a C++ type. Alternatively each type could itself be a sequence of types each describing a different overloaded signal. name is the optional C++ name of the signal. If it is not specified then the name of the class attribute that is bound to the signal is used. revision is the optional revision of the signal that is exported to QML. If it is not specified then 0 is used. arguments is the optional sequence of the names of the signal’s arguments.

setMapCanvas(self, canvas: QgsMapCanvas | None)

Sets the map canvas associated with the widget. This allows the widget to retrieve the current map scale from the canvas.

Parameters:

canvas (Optional[QgsMapCanvas]) – map canvas

setMapUnitScale(self, scale: QgsMapUnitScale)

Updates the widget to reflect the settings from the specified QgsMapUnitScale object.

Parameters:

scale (QgsMapUnitScale) – map unit scale to show in widget

See also

mapUnitScale()

See also

mapUnitScaleChanged()