Class: QgsMeshDataProvider

Base class for providing data for QgsMeshLayer

Responsible for reading native mesh data

Note

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

Added in version 3.2.

Class Hierarchy

Base classes

QgsDataProvider	Abstract base class for spatial data provider implementations.
QObject
QgsMeshDataSourceInterface	Interface for mesh data sources
QgsMeshDatasetSourceInterface	Interface for mesh datasets and dataset groups

Methods

close	Closes the data provider and free every resources used
driverMetadata	Returns the mesh driver metadata of the provider
setTemporalUnit	Sets the temporal unit of the provider and reload data if it changes.

Signals

datasetGroupsAdded

Emitted when some new dataset groups have been added

class qgis.core.QgsMeshDataProvider

Bases: QgsDataProvider, QgsMeshDataSourceInterface, QgsMeshDatasetSourceInterface

__init__(uri: str | None, providerOptions: QgsDataProvider.ProviderOptions, a2: Qgis.DataProviderReadFlags | Qgis.DataProviderReadFlag = Qgis.DataProviderReadFlags())

Ctor

Parameters:

• uri (Optional[str])

• providerOptions (QgsDataProvider.ProviderOptions)

• a2 (Union[Qgis.DataProviderReadFlags, Qgis.DataProviderReadFlag] = Qgis.DataProviderReadFlags())

close(self)

Closes the data provider and free every resources used

Added in version 3.22.

signal datasetGroupsAdded(count: int)

Emitted when some new dataset groups have been added

Parameters:

count (int)

driverMetadata(self) → QgsMeshDriverMetadata

Returns the mesh driver metadata of the provider

Return type:

QgsMeshDriverMetadata

Returns:

the mesh driver metadata of the provider

Added in version 3.22.

setTemporalUnit(self, unit: Qgis.TemporalUnit)

Sets the temporal unit of the provider and reload data if it changes.

Parameters:

unit (Qgis.TemporalUnit) – the temporal unit

Added in version 3.14.