Class: QgsVectorLayerDirector¶

class qgis.analysis.QgsVectorLayerDirector¶

Bases: QgsGraphDirector

Determine making the graph from vector line layer

QgsVectorLayerDirector(source: Optional[QgsFeatureSource], directionFieldId: int, directDirectionValue: Optional[str], reverseDirectionValue: Optional[str], bothDirectionValue: Optional[str], defaultDirection: QgsVectorLayerDirector.Direction) Default constructor

Parameters:

source – feature source representing network
directionFieldId – field containing direction value
directDirectionValue – value for direct one-way road
reverseDirectionValue – value for reversed one-way road
bothDirectionValue – value for two-way (bidirectional) road

defaultDirection –

default direction. Will be used if corresponding: attribute value is not set or does not equal to the given values

Methods

`childEvent`
`connectNotify`
`customEvent`
`disconnectNotify`
`isSignalConnected`
`makeGraph`	MANDATORY DIRECTOR PROPERTY DECLARATION
`name`	rtype: str
`receivers`
`sender`
`senderSignalIndex`
`timerEvent`

Signals

`DirectionBackward`
`DirectionBoth`
`DirectionForward`

Attributes

`DirectionBackward`
`DirectionBoth`
`DirectionForward`

class Direction¶: Bases: int

DirectionBackward = 1¶

DirectionBoth = 2¶

DirectionForward = 0¶

childEvent(self, a0: QChildEvent | None)¶

connectNotify(self, signal: QMetaMethod)¶

customEvent(self, a0: QEvent | None)¶

disconnectNotify(self, signal: QMetaMethod)¶

isSignalConnected(self, signal: QMetaMethod) → bool¶

makeGraph(self, builder: QgsGraphBuilderInterface | None, additionalPoints: Iterable[QgsPointXY], feedback: QgsFeedback | None = None) → List[QgsPointXY]¶

MANDATORY DIRECTOR PROPERTY DECLARATION

Parameters:

builder (Optional[QgsGraphBuilderInterface])
additionalPoints (Iterable[QgsPointXY])
feedback (Optional[QgsFeedback] = None)

Return type:

List[QgsPointXY]

name(self) → str¶

Return type:: str

receivers(self, signal: PYQT_SIGNAL) → int¶

sender(self) → QObject | None¶

senderSignalIndex(self) → int¶

timerEvent(self, a0: QTimerEvent | None)¶