A self intersection check. More...

#include <qgsgeometryselfintersectioncheck.h>

Inheritance diagram for QgsGeometrySelfIntersectionCheck:

Public Types
enum	ResolutionMethod { ToMultiObject , ToSingleObjects , NoChange }

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

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...

Public Member Functions
	QgsGeometrySelfIntersectionCheck (const QgsGeometryCheckContext *context, const QVariantMap &configuration=QVariantMap())

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

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

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

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. More...

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

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

QList< QgsSingleGeometryCheckError * >	processGeometry (const QgsGeometry &geometry) const override
	Check the geometry for errors. More...

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

Public Member Functions inherited from QgsSingleGeometryCheck
	QgsSingleGeometryCheck (const QgsGeometryCheckContext *context, const QVariantMap &configuration)
	Creates a new single geometry check. More...

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

virtual QList< QgsSingleGeometryCheckError * >	processGeometry (const QgsGeometry &geometry) const =0
	Check the geometry for errors. More...

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

virtual	~QgsGeometryCheck ()=default

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

virtual CheckType	checkType () const =0
	Returns the check type. More...

virtual void	collectErrors (const QMap< QString, QgsFeaturePool * > &featurePools, QList< QgsGeometryCheckError * > &errors, QStringList &messages, QgsFeedback *feedback, const LayerFeatureIds &ids=QgsGeometryCheck::LayerFeatureIds()) const =0
	The main worker method. More...

virtual QList< QgsWkbTypes::GeometryType >	compatibleGeometryTypes () const =0
	A list of geometry types for which this check can be performed. More...

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. More...

const QgsGeometryCheckContext *	context () const
	Returns the context. More...

virtual QString	description () const =0
	Returns a human readable description for this check. More...

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

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

virtual QString	id () const =0
	Returns an id for this check. More...

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

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). More...

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

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. More...

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

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. More...

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. More...

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

Protected Attributes inherited from QgsGeometryCheck
QVariantMap	mConfiguration

const QgsGeometryCheckContext *	mContext

Detailed Description

A self intersection check.

Definition at line 53 of file qgsgeometryselfintersectioncheck.h.

Member Enumeration Documentation

◆ ResolutionMethod

enum QgsGeometrySelfIntersectionCheck::ResolutionMethod

Enumerator
ToMultiObject
ToSingleObjects
NoChange

Definition at line 57 of file qgsgeometryselfintersectioncheck.h.

Constructor & Destructor Documentation

◆ QgsGeometrySelfIntersectionCheck()

QgsGeometrySelfIntersectionCheck::QgsGeometrySelfIntersectionCheck	(	const QgsGeometryCheckContext *	context,
		const QVariantMap &	configuration = `QVariantMap()`
	)

inlineexplicit

Definition at line 64 of file qgsgeometryselfintersectioncheck.h.

Member Function Documentation

◆ checkType()

QgsGeometryCheck::CheckType QgsGeometrySelfIntersectionCheck::checkType ( ) const

inlineoverridevirtual

Returns the check type.

Since: QGIS 3.4

Implements QgsGeometryCheck.

Definition at line 73 of file qgsgeometryselfintersectioncheck.h.

◆ compatibleGeometryTypes()

QList< QgsWkbTypes::GeometryType > QgsGeometrySelfIntersectionCheck::compatibleGeometryTypes ( ) const

inlineoverridevirtual

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

Since: QGIS 3.4

Implements QgsGeometryCheck.

Definition at line 67 of file qgsgeometryselfintersectioncheck.h.

◆ description()

QString QgsGeometrySelfIntersectionCheck::description ( ) const

inlineoverridevirtual

Returns a human readable description for this check.

Since: QGIS 3.4

Implements QgsGeometryCheck.

Definition at line 70 of file qgsgeometryselfintersectioncheck.h.

◆ fixError()

void QgsGeometrySelfIntersectionCheck::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 70 of file qgsgeometryselfintersectioncheck.cpp.

◆ flags()

QgsGeometryCheck::Flags QgsGeometrySelfIntersectionCheck::flags ( ) const

inlineoverridevirtual

Flags for this geometry check.

Reimplemented from QgsGeometryCheck.

Definition at line 72 of file qgsgeometryselfintersectioncheck.h.

◆ id()

QString QgsGeometrySelfIntersectionCheck::id ( ) const

inlineoverridevirtual

Returns an id for this check.

Since: QGIS 3.4

Implements QgsGeometryCheck.

Definition at line 71 of file qgsgeometryselfintersectioncheck.h.

◆ processGeometry()

QList< QgsSingleGeometryCheckError * > QgsGeometrySelfIntersectionCheck::processGeometry ( const QgsGeometry & geometry ) const

overridevirtual

Check the geometry for errors.

It may make use of configuration options.

Returns a list of QgsSingleGeometryCheckErrors, ownership is transferred to the caller. An empty list is returned for geometries without errors.

Since: QGIS 3.4

Implements QgsSingleGeometryCheck.

Definition at line 319 of file qgsgeometryselfintersectioncheck.cpp.

◆ resolutionMethods()

QStringList QgsGeometrySelfIntersectionCheck::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 310 of file qgsgeometryselfintersectioncheck.cpp.

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

/build/qgis-3.28.0+99sid/src/analysis/vector/geometry_checker/qgsgeometryselfintersectioncheck.h
/build/qgis-3.28.0+99sid/src/analysis/vector/geometry_checker/qgsgeometryselfintersectioncheck.cpp

Public Types

Public Member Functions

Additional Inherited Members

Detailed Description

Member Enumeration Documentation

◆ ResolutionMethod

Constructor & Destructor Documentation

◆ QgsGeometrySelfIntersectionCheck()

Member Function Documentation

◆ checkType()

◆ compatibleGeometryTypes()

◆ description()

◆ fixError()

◆ flags()

◆ id()

◆ processGeometry()

◆ resolutionMethods()