Class that can be used to store and access extra dataset group, like memory dataset (temporary) Derived from QgsMeshDatasetSourceInterface, this class has same methods as QgsMeshDataProvider to access to the datasets. More...

#include <qgsmeshdatasetgroupstore.h>

Inheritance diagram for QgsMeshExtraDatasetStore:

[legend]

Public Member Functions
bool	addDataset (const QString &uri) override
	Not implemented, always returns false.

int	addDatasetGroup (QgsMeshDatasetGroup *datasetGroup)
	Adds a dataset group, returns the index of the added dataset group.

QgsMeshDataBlock	areFacesActive (QgsMeshDatasetIndex index, int faceIndex, int count) const override
	Returns whether the faces are active for particular dataset.

QgsMesh3DDataBlock	dataset3dValues (QgsMeshDatasetIndex index, int faceIndex, int count) const override
	Returns N vector/scalar values from the face index from the dataset for 3d stacked meshes.

int	datasetCount (int groupIndex) const override
	Returns number of datasets loaded in the group.

QgsMeshDatasetGroup *	datasetGroup (int groupIndex) const
	Returns a pointer to the dataset group.

int	datasetGroupCount () const override
	Returns number of datasets groups loaded.

QgsMeshDatasetGroupMetadata	datasetGroupMetadata (int groupIndex) const override
	Returns dataset group metadata.

QgsMeshDatasetMetadata	datasetMetadata (QgsMeshDatasetIndex index) const override
	Returns dataset metadata.

qint64	datasetRelativeTime (QgsMeshDatasetIndex index) const
	Returns the relative times of the dataset index with index, returned value in milliseconds.

QgsMeshDatasetValue	datasetValue (QgsMeshDatasetIndex index, int valueIndex) const override
	Returns vector/scalar value associated with the index from the dataset To read multiple continuous values, use datasetValues()

QgsMeshDataBlock	datasetValues (QgsMeshDatasetIndex index, int valueIndex, int count) const override
	Returns N vector/scalar values from the index from the dataset.

QString	description (int groupIndex) const
	Returns information related to the dataset group with groupIndex.

QStringList	extraDatasets () const override
	Not implemented, always returns empty list.

bool	hasTemporalCapabilities () const
	Returns whether if the dataset groups have temporal capabilities (a least one dataset group with more than one dataset)

bool	isFaceActive (QgsMeshDatasetIndex index, int faceIndex) const override
	Returns whether the face is active for particular dataset.

bool	persistDatasetGroup (const QString &outputFilePath, const QString &outputDriver, const QgsMeshDatasetGroupMetadata &meta, const QVector< QgsMeshDataBlock > &datasetValues, const QVector< QgsMeshDataBlock > &datasetActive, const QVector< double > &times) override
	Not implemented, always returns true.

bool	persistDatasetGroup (const QString &outputFilePath, const QString &outputDriver, QgsMeshDatasetSourceInterface *source, int datasetGroupIndex) override
	Not implemented, always returns true.

void	removeDatasetGroup (int index)
	Removes the dataset group with the local index.

void	updateTemporalCapabilities ()
	Updates the temporal capabilities.

QDomElement	writeXml (int groupIndex, QDomDocument &doc, const QgsReadWriteContext &context)
	Writes the store's information in a DOM document.

Public Member Functions inherited from QgsMeshDatasetSourceInterface
	QgsMeshDatasetSourceInterface ()

virtual	~QgsMeshDatasetSourceInterface ()=default

int	datasetCount (QgsMeshDatasetIndex index) const
	Returns number of datasets loaded in the group.

QgsMeshDatasetGroupMetadata	datasetGroupMetadata (QgsMeshDatasetIndex index) const
	Returns dataset group metadata.

QgsMeshDatasetIndex	datasetIndexAtTime (const QDateTime &referenceTime, int groupIndex, qint64 time, QgsMeshDataProviderTemporalCapabilities::MatchingTemporalDatasetMethod method) const
	Returns the dataset index of the dataset in a specific dataset group at time from the reference time.

QList< QgsMeshDatasetIndex >	datasetIndexInTimeInterval (const QDateTime &referenceTime, int groupIndex, qint64 time1, qint64 time2) const
	Returns a list of dataset indexes of the dataset in a specific dataset group that are between time1 and time2 from the reference time.

virtual Q_DECL_DEPRECATED bool	persistDatasetGroup (const QString &path, const QgsMeshDatasetGroupMetadata &meta, const QVector< QgsMeshDataBlock > &datasetValues, const QVector< QgsMeshDataBlock > &datasetActive, const QVector< double > &times)
	Creates a new dataset group from a data and persists it into a destination path.

Additional Inherited Members
Protected Attributes inherited from QgsMeshDatasetSourceInterface
std::unique_ptr< QgsMeshDataProviderTemporalCapabilities >	mTemporalCapabilities

Detailed Description

Class that can be used to store and access extra dataset group, like memory dataset (temporary) Derived from QgsMeshDatasetSourceInterface, this class has same methods as QgsMeshDataProvider to access to the datasets.

Since: QGIS 3.16

Definition at line 36 of file qgsmeshdatasetgroupstore.h.

Member Function Documentation

◆ addDataset()

bool QgsMeshExtraDatasetStore::addDataset ( const QString & uri )

overridevirtual

Not implemented, always returns false.

Implements QgsMeshDatasetSourceInterface.

Definition at line 732 of file qgsmeshdatasetgroupstore.cpp.

◆ addDatasetGroup()

int QgsMeshExtraDatasetStore::addDatasetGroup ( QgsMeshDatasetGroup * datasetGroup )

Adds a dataset group, returns the index of the added dataset group.

Definition at line 682 of file qgsmeshdatasetgroupstore.cpp.

◆ areFacesActive()

QgsMeshDataBlock QgsMeshExtraDatasetStore::areFacesActive	(	QgsMeshDatasetIndex	index,
		int	faceIndex,
		int	count
	)		const

overridevirtual

Returns whether the faces are active for particular dataset.

Since: QGIS 3.6

Implements QgsMeshDatasetSourceInterface.

Definition at line 828 of file qgsmeshdatasetgroupstore.cpp.

◆ dataset3dValues()

QgsMesh3DDataBlock QgsMeshExtraDatasetStore::dataset3dValues	(	QgsMeshDatasetIndex	index,
		int	faceIndex,
		int	count
	)		const

overridevirtual

Returns N vector/scalar values from the face index from the dataset for 3d stacked meshes.

See QgsMeshDatasetMetadata::isVector() to check if the returned value is vector or scalar

returns invalid block for DataOnFaces and DataOnVertices.

See also: datasetValues

Since: QGIS 3.12

Implements QgsMeshDatasetSourceInterface.

Definition at line 805 of file qgsmeshdatasetgroupstore.cpp.

◆ datasetCount()

int QgsMeshExtraDatasetStore::datasetCount ( int groupIndex ) const

overridevirtual

Returns number of datasets loaded in the group.

Implements QgsMeshDatasetSourceInterface.

Definition at line 748 of file qgsmeshdatasetgroupstore.cpp.

◆ datasetGroup()

QgsMeshDatasetGroup * QgsMeshExtraDatasetStore::datasetGroup ( int groupIndex ) const

Returns a pointer to the dataset group.

Definition at line 724 of file qgsmeshdatasetgroupstore.cpp.

◆ datasetGroupCount()

int QgsMeshExtraDatasetStore::datasetGroupCount ( ) const

overridevirtual

Returns number of datasets groups loaded.

Implements QgsMeshDatasetSourceInterface.

Definition at line 743 of file qgsmeshdatasetgroupstore.cpp.

◆ datasetGroupMetadata()

QgsMeshDatasetGroupMetadata QgsMeshExtraDatasetStore::datasetGroupMetadata ( int groupIndex ) const

overridevirtual

Returns dataset group metadata.

Implements QgsMeshDatasetSourceInterface.

Definition at line 756 of file qgsmeshdatasetgroupstore.cpp.

◆ datasetMetadata()

QgsMeshDatasetMetadata QgsMeshExtraDatasetStore::datasetMetadata ( QgsMeshDatasetIndex index ) const

overridevirtual

Returns dataset metadata.

Implements QgsMeshDatasetSourceInterface.

Definition at line 764 of file qgsmeshdatasetgroupstore.cpp.

◆ datasetRelativeTime()

qint64 QgsMeshExtraDatasetStore::datasetRelativeTime ( QgsMeshDatasetIndex index ) const

Returns the relative times of the dataset index with index, returned value in milliseconds.

Definition at line 711 of file qgsmeshdatasetgroupstore.cpp.

◆ datasetValue()

QgsMeshDatasetValue QgsMeshExtraDatasetStore::datasetValue	(	QgsMeshDatasetIndex	index,
		int	valueIndex
	)		const

overridevirtual

Returns vector/scalar value associated with the index from the dataset To read multiple continuous values, use datasetValues()

See QgsMeshDatasetMetadata::isVector() or QgsMeshDataBlock::type() to check if the returned value is vector or scalar

Returns invalid value for DataOnVolumes

See also: datasetValues

Implements QgsMeshDatasetSourceInterface.

Definition at line 777 of file qgsmeshdatasetgroupstore.cpp.

◆ datasetValues()

QgsMeshDataBlock QgsMeshExtraDatasetStore::datasetValues	(	QgsMeshDatasetIndex	index,
		int	valueIndex,
		int	count
	)		const

overridevirtual

Returns N vector/scalar values from the index from the dataset.

See QgsMeshDatasetMetadata::isVector() or QgsMeshDataBlock::type() to check if the returned value is vector or scalar

Returns invalid block for DataOnVolumes. Use QgsMeshLayerUtils::datasetValues() if you need block for any type of data type

Since: QGIS 3.6

Implements QgsMeshDatasetSourceInterface.

Definition at line 791 of file qgsmeshdatasetgroupstore.cpp.

◆ description()

QString QgsMeshExtraDatasetStore::description ( int groupIndex ) const

Returns information related to the dataset group with groupIndex.

Definition at line 716 of file qgsmeshdatasetgroupstore.cpp.

◆ extraDatasets()

QStringList QgsMeshExtraDatasetStore::extraDatasets ( ) const

overridevirtual

Not implemented, always returns empty list.

Implements QgsMeshDatasetSourceInterface.

Definition at line 738 of file qgsmeshdatasetgroupstore.cpp.

◆ hasTemporalCapabilities()

bool QgsMeshExtraDatasetStore::hasTemporalCapabilities ( ) const

Returns whether if the dataset groups have temporal capabilities (a least one dataset group with more than one dataset)

Definition at line 706 of file qgsmeshdatasetgroupstore.cpp.

◆ isFaceActive()

bool QgsMeshExtraDatasetStore::isFaceActive	(	QgsMeshDatasetIndex	index,
		int	faceIndex
	)		const

overridevirtual

Returns whether the face is active for particular dataset.

For example to represent the situation when F1 and F3 are flooded, but F2 is dry, some solvers store water depth on vertices V1-V8 (all non-zero values) and set active flag for F2 to false. V1 -— V2 -— V5--—V7 | F1 | F2 | F3 | V3 -— V4 -— V6--—V8

Implements QgsMeshDatasetSourceInterface.

Definition at line 814 of file qgsmeshdatasetgroupstore.cpp.

◆ persistDatasetGroup() [1/2]

bool QgsMeshExtraDatasetStore::persistDatasetGroup	(	const QString &	outputFilePath,
		const QString &	outputDriver,
		const QgsMeshDatasetGroupMetadata &	meta,
		const QVector< QgsMeshDataBlock > &	datasetValues,
		const QVector< QgsMeshDataBlock > &	datasetActive,
		const QVector< double > &	times
	)

overridevirtual

Not implemented, always returns true.

Implements QgsMeshDatasetSourceInterface.

Definition at line 841 of file qgsmeshdatasetgroupstore.cpp.

◆ persistDatasetGroup() [2/2]

bool QgsMeshExtraDatasetStore::persistDatasetGroup	(	const QString &	outputFilePath,
		const QString &	outputDriver,
		QgsMeshDatasetSourceInterface *	source,
		int	datasetGroupIndex
	)

overridevirtual

Not implemented, always returns true.

Implements QgsMeshDatasetSourceInterface.

Definition at line 857 of file qgsmeshdatasetgroupstore.cpp.

◆ removeDatasetGroup()

void QgsMeshExtraDatasetStore::removeDatasetGroup ( int index )

Removes the dataset group with the local index.

Definition at line 697 of file qgsmeshdatasetgroupstore.cpp.

◆ updateTemporalCapabilities()

void QgsMeshExtraDatasetStore::updateTemporalCapabilities ( )

Updates the temporal capabilities.

Definition at line 877 of file qgsmeshdatasetgroupstore.cpp.

◆ writeXml()

QDomElement QgsMeshExtraDatasetStore::writeXml	(	int	groupIndex,
		QDomDocument &	doc,
		const QgsReadWriteContext &	context
	)

Writes the store's information in a DOM document.

Definition at line 869 of file qgsmeshdatasetgroupstore.cpp.

The documentation for this class was generated from the following files:

/build/qgis-3.40.0+99sid/src/core/mesh/qgsmeshdatasetgroupstore.h
/build/qgis-3.40.0+99sid/src/core/mesh/qgsmeshdatasetgroupstore.cpp

Public Member Functions

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ addDataset()

◆ addDatasetGroup()

◆ areFacesActive()

◆ dataset3dValues()

◆ datasetCount()

◆ datasetGroup()

◆ datasetGroupCount()

◆ datasetGroupMetadata()

◆ datasetMetadata()

◆ datasetRelativeTime()

◆ datasetValue()

◆ datasetValues()

◆ description()

◆ extraDatasets()

◆ hasTemporalCapabilities()

◆ isFaceActive()

◆ persistDatasetGroup() [1/2]

◆ persistDatasetGroup() [2/2]

◆ removeDatasetGroup()

◆ updateTemporalCapabilities()

◆ writeXml()