Class: QgsMeshDataSourceInterface¶

class qgis.core.QgsMeshDataSourceInterface¶

Bases: sip.wrapper

Interface for mesh data sources

Mesh is a collection of vertices, edges and faces in 2D or 3D space

vertex - XY(Z) point (in the mesh’s coordinate reference system)
edge - two XY(Z) points (in the mesh’s coordinate reference system) representing straight seqment
faces - sets of vertices forming a closed shape - typically triangles or quadrilaterals

Base on the underlying data provider/format, whole mesh is either stored in memory or read on demand

Note

The API is considered EXPERIMENTAL and can be changed without a notice

Added in version 3.2:

Methods

`contains`	Returns whether the mesh contains at mesh elements of given type
`edgeCount`	Returns number of edges in the native mesh
`faceCount`	Returns number of faces in the native mesh
`maximumVerticesCountPerFace`	Returns the maximum number of vertices per face supported by the current mesh, if returns 0, the number of vertices is unlimited
`populateMesh`	Populates the mesh vertices, edges and faces
`saveMeshFrame`	Saves the `mesh` frame to the source.
`vertexCount`	Returns number of vertices in the native mesh

contains(self, type: QgsMesh.ElementType) → bool¶

Returns whether the mesh contains at mesh elements of given type

Added in version 3.14.

edgeCount(self) → int¶

Returns number of edges in the native mesh

Added in version 3.14.

faceCount(self) → int¶

Returns number of faces in the native mesh

maximumVerticesCountPerFace(self) → int¶

Returns the maximum number of vertices per face supported by the current mesh, if returns 0, the number of vertices is unlimited

Added in version 3.22.

populateMesh(self, mesh: QgsMesh)¶

Populates the mesh vertices, edges and faces

Added in version 3.6.

saveMeshFrame(self, mesh: QgsMesh) → bool¶

Saves the mesh frame to the source.

Added in version 3.22.

vertexCount(self) → int¶

Returns number of vertices in the native mesh