A topology check for missing vertices. More...

#include <qgsgeometrymissingvertexcheck.h>

Inheritance diagram for QgsGeometryMissingVertexCheck:

Public Types
enum	ResolutionMethod { NoChange , AddMissingVertex }
	The available resolutions for missing vertex check. More...

Public Types inherited from QgsGeometryCheck
typedef QMap< QString, QMap< QgsFeatureId, QList< QgsGeometryCheck::Change > > >	Changes
	A collection of changes.

enum	ChangeType { ChangeAdded , ChangeRemoved , ChangeChanged }
	Description of the type of a change. More...

enum	ChangeWhat { ChangeFeature , ChangePart , ChangeRing , ChangeNode }
	Description of a change to indicate at which level a change occurred. More...

enum	CheckType { FeatureNodeCheck , FeatureCheck , LayerCheck }
	The type of a check. More...

enum	Flag { AvailableInValidation = 1 << 1 }
	Flags for geometry checks. More...

typedef QFlags< Flag >	Flags

Public Member Functions
	QgsGeometryMissingVertexCheck (const QgsGeometryCheckContext *context, const QVariantMap &geometryCheckConfiguration)
	Creates a new missing vertex geometry check with context and the provided geometryCheckConfiguration.

QgsGeometryCheck::CheckType	checkType () const override
	Returns the check type.

void	collectErrors (const QMap< QString, QgsFeaturePool * > &featurePools, QList< QgsGeometryCheckError * > &errors, QStringList &messages, QgsFeedback *feedback, const LayerFeatureIds &ids=LayerFeatureIds()) const override
	The main worker method.

QList< Qgis::GeometryType >	compatibleGeometryTypes () const override
	A list of geometry types for which this check can be performed.

QString	description () const override
	Returns a human readable description for this check.

void	fixError (const QMap< QString, QgsFeaturePool * > &featurePools, QgsGeometryCheckError *error, int method, const QMap< QString, int > &mergeAttributeIndices, Changes &changes) const override
	Fixes the error error with the specified method.

QgsGeometryCheck::Flags	flags () const override
	Flags for this geometry check.

QString	id () const override
	Returns an id for this check.

Q_DECL_DEPRECATED QStringList	resolutionMethods () const override
	Returns a list of descriptions for available resolutions for errors.

Public Member Functions inherited from QgsGeometryCheck
	QgsGeometryCheck (const QgsGeometryCheckContext *context, const QVariantMap &configuration)
	Create a new geometry check.

virtual	~QgsGeometryCheck ()=default

virtual QList< QgsGeometryCheckResolutionMethod >	availableResolutionMethods () const
	Returns a list of available resolution methods.

template<class T >
T	configurationValue (const QString &name, const QVariant &defaultValue=QVariant())
	Returns the configuration value with the name, saved in the QGIS settings for this geometry check.

const QgsGeometryCheckContext *	context () const
	Returns the context.

virtual bool	isCompatible (QgsVectorLayer *layer) const
	Returns if this geometry check is compatible with layer.

virtual void	prepare (const QgsGeometryCheckContext *context, const QVariantMap &configuration)
	Will be run in the main thread before collectErrors() is called (which may be run from a background thread).

Additional Inherited Members
Protected Member Functions inherited from QgsGeometryCheck
QMap< QString, QgsFeatureIds >	allLayerFeatureIds (const QMap< QString, QgsFeaturePool * > &featurePools) const
	Returns all layers and feature ids.

void	deleteFeatureGeometryPart (const QMap< QString, QgsFeaturePool * > &featurePools, const QString &layerId, QgsFeature &feature, int partIdx, Changes &changes) const
	Deletes a part of a feature geometry.

void	deleteFeatureGeometryRing (const QMap< QString, QgsFeaturePool * > &featurePools, const QString &layerId, QgsFeature &feature, int partIdx, int ringIdx, Changes &changes) const
	Deletes a ring in a feature geometry.

void	replaceFeatureGeometryPart (const QMap< QString, QgsFeaturePool * > &featurePools, const QString &layerId, QgsFeature &feature, int partIdx, QgsAbstractGeometry *newPartGeom, Changes &changes) const
	Replaces a part in a feature geometry.

double	scaleFactor (const QPointer< QgsVectorLayer > &layer) const
	Determines the scale factor of a layer to the map coordinate reference system.

Protected Attributes inherited from QgsGeometryCheck
QVariantMap	mConfiguration

const QgsGeometryCheckContext *	mContext

Detailed Description

A topology check for missing vertices.

Any vertex which is on the border of another polygon but no corresponding vertex can be found on the other polygon will be reported as an error.

Since: QGIS 3.4

Definition at line 87 of file qgsgeometrymissingvertexcheck.h.

Member Enumeration Documentation

◆ ResolutionMethod

enum QgsGeometryMissingVertexCheck::ResolutionMethod

The available resolutions for missing vertex check.

Enumerator
NoChange	Do nothing.
AddMissingVertex	Add the missing vertex.

Definition at line 96 of file qgsgeometrymissingvertexcheck.h.

Constructor & Destructor Documentation

◆ QgsGeometryMissingVertexCheck()

QgsGeometryMissingVertexCheck::QgsGeometryMissingVertexCheck	(	const QgsGeometryCheckContext *	context,
		const QVariantMap &	geometryCheckConfiguration
	)

explicit

Creates a new missing vertex geometry check with context and the provided geometryCheckConfiguration.

Definition at line 27 of file qgsgeometrymissingvertexcheck.cpp.

Member Function Documentation

◆ checkType()

QgsGeometryCheck::CheckType QgsGeometryMissingVertexCheck::checkType ( ) const

overridevirtual

Returns the check type.

Since: QGIS 3.4

Implements QgsGeometryCheck.

Definition at line 231 of file qgsgeometrymissingvertexcheck.cpp.

◆ collectErrors()

void QgsGeometryMissingVertexCheck::collectErrors	(	const QMap< QString, QgsFeaturePool * > &	featurePools,
		QList< QgsGeometryCheckError * > &	errors,
		QStringList &	messages,
		QgsFeedback *	feedback,
		const LayerFeatureIds &	ids = `LayerFeatureIds()`
	)		const

overridevirtual

The main worker method.

Check all features available from featurePools and write errors found to errors. Other status messages can be written to messages. Progress should be reported to feedback. Only features and layers listed in ids should be checked.

Since: QGIS 3.4

Implements QgsGeometryCheck.

Definition at line 32 of file qgsgeometrymissingvertexcheck.cpp.

◆ compatibleGeometryTypes()

QList< Qgis::GeometryType > QgsGeometryMissingVertexCheck::compatibleGeometryTypes ( ) const

overridevirtual

A list of geometry types for which this check can be performed.

Since: QGIS 3.4

Implements QgsGeometryCheck.

Definition at line 221 of file qgsgeometrymissingvertexcheck.cpp.

◆ description()

QString QgsGeometryMissingVertexCheck::description ( ) const

overridevirtual

Returns a human readable description for this check.

Since: QGIS 3.4

Implements QgsGeometryCheck.

Definition at line 123 of file qgsgeometrymissingvertexcheck.cpp.

◆ fixError()

void QgsGeometryMissingVertexCheck::fixError	(	const QMap< QString, QgsFeaturePool * > &	featurePools,
		QgsGeometryCheckError *	error,
		int	method,
		const QMap< QString, int > &	mergeAttributeIndices,
		Changes &	changes
	)		const

overridevirtual

Fixes the error error with the specified method.

Is executed on the main thread.

See also: availableResolutionMethods()

Since: QGIS 3.4

Reimplemented from QgsGeometryCheck.

Definition at line 72 of file qgsgeometrymissingvertexcheck.cpp.

◆ flags()

QgsGeometryCheck::Flags QgsGeometryMissingVertexCheck::flags ( ) const

overridevirtual

Flags for this geometry check.

Reimplemented from QgsGeometryCheck.

Definition at line 226 of file qgsgeometrymissingvertexcheck.cpp.

◆ id()

QString QgsGeometryMissingVertexCheck::id ( ) const

overridevirtual

Returns an id for this check.

Since: QGIS 3.4

Implements QgsGeometryCheck.

Definition at line 216 of file qgsgeometrymissingvertexcheck.cpp.

◆ resolutionMethods()

QStringList QgsGeometryMissingVertexCheck::resolutionMethods ( ) const

overridevirtual

Returns a list of descriptions for available resolutions for errors.

The index will be passed as method to

See also: fixError().

Deprecated:: since QGIS 3.12, use availableResolutionMethods() instead

Since: QGIS 3.4

Reimplemented from QgsGeometryCheck.

Definition at line 115 of file qgsgeometrymissingvertexcheck.cpp.

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

/home/fischer/src/qgis-3.38/src/analysis/vector/geometry_checker/qgsgeometrymissingvertexcheck.h
/home/fischer/src/qgis-3.38/src/analysis/vector/geometry_checker/qgsgeometrymissingvertexcheck.cpp

Public Types

Public Member Functions

Additional Inherited Members

Detailed Description

Member Enumeration Documentation

◆ ResolutionMethod

Constructor & Destructor Documentation

◆ QgsGeometryMissingVertexCheck()

Member Function Documentation

◆ checkType()

◆ collectErrors()

◆ compatibleGeometryTypes()

◆ description()

◆ fixError()

◆ flags()

◆ id()

◆ resolutionMethods()