Class: QgsVertexId

class qgis.core.QgsVertexId(_part: int = - 1, _ring: int = - 1, _vertex: int = - 1, _type: Qgis.VertexType = Qgis.VertexType.Segment)

Bases: sip.wrapper

Constructor for QgsVertexId.

QgsVertexId(QgsVertexId)

Enums

VertexType

Bases: enum.IntEnum

Methods

isValid

Returns True if the vertex id is valid

partEqual

Returns True if this vertex ID belongs to the same part as another vertex ID.

ringEqual

Returns True if this vertex ID belongs to the same ring as another vertex ID (i.e.

vertexEqual

Returns True if this vertex ID corresponds to the same vertex as another vertex ID (i.e.

Attributes

class VertexType(value)

Bases: enum.IntEnum

Types of vertex.

New in version 3.22.

  • SegmentVertex: The actual start or end point of a segment

  • CurveVertex: An intermediate point on a segment defining the curvature of the segment

baseClass

alias of qgis._core.Qgis

isValid(self) bool

Returns True if the vertex id is valid

isValid(self, geom: QgsAbstractGeometry) -> bool Returns True if this vertex ID is valid for the specified geom.

Return type

bool

part
partEqual(self, o: QgsVertexId) bool

Returns True if this vertex ID belongs to the same part as another vertex ID.

Parameters

o (QgsVertexId) –

Return type

bool

ring
ringEqual(self, o: QgsVertexId) bool

Returns True if this vertex ID belongs to the same ring as another vertex ID (i.e. the part and ring number are equal).

Parameters

o (QgsVertexId) –

Return type

bool

type
vertex
vertexEqual(self, o: QgsVertexId) bool

Returns True if this vertex ID corresponds to the same vertex as another vertex ID (i.e. the part, ring number and vertex number are equal).

Parameters

o (QgsVertexId) –

Return type

bool