QGIS API Documentation  3.27.0-Master (0e23467727)
Public Types | Public Member Functions | List of all members
QgsGeometrySelfIntersectionCheck Class Reference

A self intersection check. More...

#include <qgsgeometryselfintersectioncheck.h>

Inheritance diagram for QgsGeometrySelfIntersectionCheck:
Inheritance graph
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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::GeometryTypecompatibleGeometryTypes () 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...
 
- Public Member Functions inherited from QgsGeometryCheck
 QgsGeometryCheck (const QgsGeometryCheckContext *context, const QVariantMap &configuration)
 Create a new geometry check. More...
 
virtual ~QgsGeometryCheck ()=default
 
virtual QList< QgsGeometryCheckResolutionMethodavailableResolutionMethods () const
 Returns a list of available resolution methods. More...
 
template<class 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 QgsGeometryCheckContextcontext () const
 Returns the context. 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...
 

Additional Inherited Members

- Protected Member Functions inherited from QgsGeometryCheck
QMap< QString, QgsFeatureIdsallLayerFeatureIds (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 QgsGeometryCheckContextmContext
 

Detailed Description

A self intersection check.

Definition at line 53 of file qgsgeometryselfintersectioncheck.h.

Member Enumeration Documentation

◆ 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: