Class: QgsSnapToGridCanvasItem¶
-
class
qgis.gui.
QgsSnapToGridCanvasItem
(mapCanvas: QgsMapCanvas)¶ Bases:
PyQt5.QtCore.QObject
,QgsMapCanvasItem
Will automatically be added to the
mapCanvas
.Shows a grid on the map canvas given a spatial resolution.
New in version 3.4.
- Parameters
mapCanvas –
-
childEvent
()¶
-
connectNotify
()¶
-
contextMenuEvent
()¶
-
crs
(self) → QgsCoordinateReferenceSystem¶ The CRS in which the grid should be calculated. By default will be an invalid
QgsCoordinateReferenceSystem
and as such equal to the CRS of the map canvas.- Return type
-
customEvent
()¶
-
disconnectNotify
()¶
-
dragEnterEvent
()¶
-
dragLeaveEvent
()¶
-
dragMoveEvent
()¶
-
dropEvent
()¶
-
enabled
(self) → bool¶ Enable this item. It will be hidden if disabled.
- Return type
bool
-
focusInEvent
()¶
-
focusOutEvent
()¶
-
hoverEnterEvent
()¶
-
hoverLeaveEvent
()¶
-
hoverMoveEvent
()¶
-
inputMethodEvent
()¶
-
inputMethodQuery
()¶
-
isSignalConnected
()¶
-
itemChange
()¶
-
keyPressEvent
()¶
-
keyReleaseEvent
()¶
-
mouseDoubleClickEvent
()¶
-
mouseMoveEvent
()¶
-
mousePressEvent
()¶
-
mouseReleaseEvent
()¶
-
paint
(self, painter: QPainter)¶ - Parameters
painter (QPainter) –
-
point
(self) → QgsPointXY¶ A point that will be highlighted on the map canvas. The point needs to be in map coordinates. The closest point on the grid will be highlighted.
- Return type
-
precision
(self) → float¶ The resolution of the grid in map units. If a crs has been specified it will be in CRS units.
- Return type
float
-
prepareGeometryChange
()¶
-
receivers
()¶
-
sceneEvent
()¶
-
sceneEventFilter
()¶
-
sender
()¶
-
senderSignalIndex
()¶
-
setCrs
(self, crs: QgsCoordinateReferenceSystem)¶ The CRS in which the grid should be calculated. By default will be an invalid
QgsCoordinateReferenceSystem
and as such equal to the CRS of the map canvas.- Parameters
crs (QgsCoordinateReferenceSystem) –
-
setEnabled
(self, enabled: bool)¶ Enable this item. It will be hidden if disabled.
- Parameters
enabled (bool) –
-
setPoint
(self, point: QgsPointXY)¶ A point that will be highlighted on the map canvas. The point needs to be in map coordinates. The closest point on the grid will be highlighted.
- Parameters
point (QgsPointXY) –
-
setPrecision
(self, precision: float)¶ The resolution of the grid in map units. If a crs has been specified it will be in CRS units.
- Parameters
precision (float) –
-
setRenderContextVariables
()¶
-
timerEvent
()¶
-
updateCanvas
()¶
-
updateMicroFocus
()¶
-
wheelEvent
()¶