Class: QgsProjectionSelectionWidget

class qgis.gui.QgsProjectionSelectionWidget

Bases: PyQt5.QtWidgets.QWidget

A widget for selecting a projection.

New in version 2.7.

QgsProjectionSelectionWidget(parent: QWidget = None) Constructor for QgsProjectionSelectionWidget

Methods

actionEvent

changeEvent

childEvent

closeEvent

connectNotify

contextMenuEvent

create

crs

Returns the currently selected CRS for the widget

customEvent

destroy

disconnectNotify

dragEnterEvent

param event

dragLeaveEvent

param event

dragMoveEvent

dropEvent

param event

enterEvent

event

focusInEvent

focusNextChild

focusNextPrevChild

focusOutEvent

focusPreviousChild

hideEvent

initPainter

inputMethodEvent

isSignalConnected

keyPressEvent

keyReleaseEvent

leaveEvent

metric

mouseDoubleClickEvent

mouseMoveEvent

mousePressEvent

mouseReleaseEvent

moveEvent

nativeEvent

optionVisible

Returns whether the specified CRS option is visible in the widget.

paintEvent

receivers

resizeEvent

selectCrs

Opens the dialog for selecting a new CRS

sender

senderSignalIndex

setCrs

Sets the current CRS for the widget

setLayerCrs

Sets the layer CRS for the widget.

setMessage

Sets a message to show in the dialog.

setNotSetText

Sets the text to show for the not set option.

setOptionVisible

Sets whether a predefined CRS option should be shown in the widget.

setShowAccuracyWarnings

Sets whether the widget will show warnings to users when they select a CRS which has low accuracy.

setSourceEnsemble

Sets the original source ensemble datum name.

sharedPainter

showAccuracyWarnings

Returns True if the widget will show a warning to users when they select a CRS which has low accuracy.

showEvent

sourceEnsemble

Returns the original source ensemble datum name.

tabletEvent

timerEvent

updateMicroFocus

wheelEvent

Signals

cleared

Emitted when the not set option is selected.

crsChanged

Emitted when the selected CRS is changed [signal]

Attributes

CrsNotSet

CurrentCrs

DefaultCrs

LayerCrs

ProjectCrs

RecentCrs

CrsNotSet = 5
class CrsOption

Bases: int

CurrentCrs = 2
DefaultCrs = 3
LayerCrs = 0
ProjectCrs = 1
RecentCrs = 4
actionEvent(self, QActionEvent)
changeEvent(self, QEvent)
childEvent(self, QChildEvent)
cleared

Emitted when the not set option is selected.

New in version 3.0: [signal]

closeEvent(self, QCloseEvent)
connectNotify(self, QMetaMethod)
contextMenuEvent(self, QContextMenuEvent)
create(self, window: sip.voidptr = 0, initializeWindow: bool = True, destroyOldWindow: bool = True)
crs(self)QgsCoordinateReferenceSystem

Returns the currently selected CRS for the widget

Return type

QgsCoordinateReferenceSystem

Returns

current CRS

crsChanged

Emitted when the selected CRS is changed [signal]

customEvent(self, QEvent)
destroy(self, destroyWindow: bool = True, destroySubWindows: bool = True)
disconnectNotify(self, QMetaMethod)
dragEnterEvent(self, event: QDragEnterEvent)
Parameters

event (QDragEnterEvent) –

dragLeaveEvent(self, event: QDragLeaveEvent)
Parameters

event (QDragLeaveEvent) –

dragMoveEvent(self, QDragMoveEvent)
dropEvent(self, event: QDropEvent)
Parameters

event (QDropEvent) –

enterEvent(self, QEvent)
event(self, QEvent)bool
focusInEvent(self, QFocusEvent)
focusNextChild(self)bool
focusNextPrevChild(self, bool)bool
focusOutEvent(self, QFocusEvent)
focusPreviousChild(self)bool
hideEvent(self, QHideEvent)
initPainter(self, QPainter)
inputMethodEvent(self, QInputMethodEvent)
isSignalConnected(self, QMetaMethod)bool
keyPressEvent(self, QKeyEvent)
keyReleaseEvent(self, QKeyEvent)
leaveEvent(self, QEvent)
metric(self, QPaintDevice.PaintDeviceMetric)int
mouseDoubleClickEvent(self, QMouseEvent)
mouseMoveEvent(self, QMouseEvent)
mousePressEvent(self, QMouseEvent)
mouseReleaseEvent(self, QMouseEvent)
moveEvent(self, QMoveEvent)
nativeEvent(self, Union[QByteArray, bytes, bytearray], sip.voidptr)Tuple[bool, int]
optionVisible(self, option: QgsProjectionSelectionWidget.CrsOption)bool

Returns whether the specified CRS option is visible in the widget.

New in version 3.0.

Parameters

option (QgsProjectionSelectionWidget.CrsOption) –

Return type

bool

paintEvent(self, QPaintEvent)
receivers(self, PYQT_SIGNAL)int
resizeEvent(self, QResizeEvent)
selectCrs(self)

Opens the dialog for selecting a new CRS

sender(self)QObject
senderSignalIndex(self)int
setCrs(self, crs: QgsCoordinateReferenceSystem)

Sets the current CRS for the widget

Parameters

crs (QgsCoordinateReferenceSystem) – new CRS

setLayerCrs(self, crs: QgsCoordinateReferenceSystem)

Sets the layer CRS for the widget. If set, this will be added as an option to the preset CRSes shown in the widget.

Parameters

crs (QgsCoordinateReferenceSystem) – layer CRS

setMessage(self, text: str)

Sets a message to show in the dialog. If an empty string is passed, the message will be a generic ‘define the CRS for this layer’.

New in version 3.0.

Parameters

text (str) –

setNotSetText(self, text: str)

Sets the text to show for the not set option. Note that this option is not shown by default and must be set visible by calling setOptionVisible().

New in version 3.0.

Parameters

text (str) –

setOptionVisible(self, option: QgsProjectionSelectionWidget.CrsOption, visible: bool)

Sets whether a predefined CRS option should be shown in the widget.

Parameters

See also

optionVisible()

setShowAccuracyWarnings(self, show: bool)

Sets whether the widget will show warnings to users when they select a CRS which has low accuracy.

New in version 3.20.

Parameters

show (bool) –

setSourceEnsemble(self, ensemble: str)

Sets the original source ensemble datum name.

If set, CRS accuracy warnings will not be shown when the selected CRS in the widget has a matching ensemble datum, regardless of the ensemble’s accuracy.

See also

sourceEnsemble()

New in version 3.20.

Parameters

ensemble (str) –

sharedPainter(self)QPainter
showAccuracyWarnings(self)bool

Returns True if the widget will show a warning to users when they select a CRS which has low accuracy.

New in version 3.20.

Return type

bool

showEvent(self, QShowEvent)
sourceEnsemble(self)str

Returns the original source ensemble datum name.

If set, CRS accuracy warnings will not be shown when the selected CRS in the widget has a matching ensemble datum, regardless of the ensemble’s accuracy.

New in version 3.20.

Return type

str

tabletEvent(self, QTabletEvent)
timerEvent(self, QTimerEvent)
updateMicroFocus(self)
wheelEvent(self, QWheelEvent)