QgsMeshZValueDatasetGroup Class Reference

Convenient class that can be used to obtain a datasetgroup on vertices that represents the Z value of the mesh vertices. More...

#include <qgsmeshtriangulation.h>

Inheritance diagram for QgsMeshZValueDatasetGroup:

Public Member Functions
	QgsMeshZValueDatasetGroup (const QString &datasetGroupName, const QgsMesh &mesh)
	Constructor.
QgsMeshDataset *	dataset (int index) const override
	Returns the dataset with index.
int	datasetCount () const override
	Returns the count of datasets in the group.
QgsMeshDatasetMetadata	datasetMetadata (int datasetIndex) const override
	Returns the metadata of the dataset with index datasetIndex.
void	initialize () override
	Initialize the dataset group.
QgsMeshDatasetGroup::Type	type () const override
	Returns the type of dataset group.
QDomElement	writeXml (QDomDocument &doc, const QgsReadWriteContext &context) const override
	Write dataset group information in a DOM element.
Public Member Functions inherited from QgsMeshDatasetGroup
	QgsMeshDatasetGroup ()=default
	QgsMeshDatasetGroup (const QString &name)
	Constructor with the name of the dataset group.
	QgsMeshDatasetGroup (const QString &name, QgsMeshDatasetGroupMetadata::DataType dataType)
	Constructor with the name of the dataset group and the dataTYpe.
virtual	~QgsMeshDatasetGroup ()
void	addExtraMetadata (QString key, QString value)
	Adds extra metadata to the group.
void	calculateStatistic () const
	Calculates the statistics (minimum and maximum)
bool	checkValueCountPerDataset (int count) const
	Returns whether all the datasets contain count values.
virtual QStringList	datasetGroupNamesDependentOn () const
	Returns the dataset group variable name which this dataset group depends on.
QgsMeshDatasetGroupMetadata::DataType	dataType () const
	Returns the data type of the dataset group.
virtual QString	description () const
	Returns some information about the dataset group.
QMap< QString, QString >	extraMetadata () const
	Returns all the extra metadata of the group.
QgsMeshDatasetGroupMetadata	groupMetadata () const
	Returns the metadata of the dataset group.
bool	isScalar () const
	Returns whether the group contain scalar values.
double	maximum () const
	Returns the maximum value of the whole dataset group.
double	minimum () const
	Returns the minimum value of the whole dataset group.
QString	name () const
	Returns the name of the dataset group.
void	setDataType (const QgsMeshDatasetGroupMetadata::DataType &dataType)
	Sets the data type of the dataset group.
void	setIsScalar (bool isScalar)
	Sets whether the group contain scalar values.
void	setMinimumMaximum (double min, double max) const
	Overrides the minimum and the maximum value of the whole dataset group.
void	setName (const QString &name)
	Sets the name of the dataset group.
void	setReferenceTime (const QDateTime &referenceTime)
	Sets the reference time of the dataset group.
void	setStatisticObsolete () const
	Sets statistic obsolete, that means statistic will be recalculated when requested.

Additional Inherited Members
Public Types inherited from QgsMeshDatasetGroup
enum	Type { Unknown , Persistent , Memory , Virtual }
	Type of the dataset group. More...
Protected Attributes inherited from QgsMeshDatasetGroup
QgsMeshDatasetGroupMetadata::DataType	mDataType = QgsMeshDatasetGroupMetadata::DataOnVertices
bool	mIsScalar = true
QMap< QString, QString >	mMetadata
QString	mName

Detailed Description

Convenient class that can be used to obtain a datasetgroup on vertices that represents the Z value of the mesh vertices.

Since

QGIS 3.16

Definition at line 138 of file qgsmeshtriangulation.h.

Constructor & Destructor Documentation

QgsMeshZValueDatasetGroup()

QgsMeshZValueDatasetGroup::QgsMeshZValueDatasetGroup	(	const QString &	datasetGroupName,
		const QgsMesh &	mesh
	)

Constructor.

Parameters

datasetGroupName	the name of the dataset group
mesh	the mesh used to create the Z value dataset

Definition at line 248 of file qgsmeshtriangulation.cpp.

Member Function Documentation

dataset()

QgsMeshDataset * QgsMeshZValueDatasetGroup::dataset ( int  index ) const

overridevirtual

Returns the dataset with index.

Implements QgsMeshDatasetGroup.

Definition at line 269 of file qgsmeshtriangulation.cpp.

datasetCount()

int QgsMeshZValueDatasetGroup::datasetCount ( ) const

overridevirtual

Returns the count of datasets in the group.

Implements QgsMeshDatasetGroup.

Definition at line 267 of file qgsmeshtriangulation.cpp.

datasetMetadata()

QgsMeshDatasetMetadata QgsMeshZValueDatasetGroup::datasetMetadata ( int  datasetIndex ) const

overridevirtual

Returns the metadata of the dataset with index datasetIndex.

Implements QgsMeshDatasetGroup.

Definition at line 259 of file qgsmeshtriangulation.cpp.

initialize()

void QgsMeshZValueDatasetGroup::initialize ( )

overridevirtual

Initialize the dataset group.

Implements QgsMeshDatasetGroup.

Definition at line 254 of file qgsmeshtriangulation.cpp.

type()

QgsMeshDatasetGroup::Type QgsMeshZValueDatasetGroup::type ( ) const

inlineoverridevirtual

Returns the type of dataset group.

Implements QgsMeshDatasetGroup.

Definition at line 154 of file qgsmeshtriangulation.h.

writeXml()

QDomElement QgsMeshZValueDatasetGroup::writeXml ( QDomDocument &  doc, const QgsReadWriteContext &  context  ) const

overridevirtual

Write dataset group information in a DOM element.

Implements QgsMeshDatasetGroup.

Definition at line 277 of file qgsmeshtriangulation.cpp.

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

• /build/qgis-3.40.0+99sid/src/analysis/mesh/qgsmeshtriangulation.h
• /build/qgis-3.40.0+99sid/src/analysis/mesh/qgsmeshtriangulation.cpp