QGIS API Documentation 3.40.0-Bratislava (b56115d8743)
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Checks for gaps between neighbouring polygons. More...
#include <qgsgeometrygapcheck.h>
Public Types | |
enum | ResolutionMethod { MergeLongestEdge , NoChange , AddToAllowedGaps , CreateNewFeature , MergeLargestArea } |
Resolution methods for geometry gap checks. 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 | |
QgsGeometryGapCheck (const QgsGeometryCheckContext *context, const QVariantMap &configuration) | |
The configuration accepts a "gapThreshold" key which specifies the maximum gap size in squared map units. | |
QList< QgsGeometryCheckResolutionMethod > | availableResolutionMethods () const override |
Returns a list of available resolution methods. | |
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. | |
void | prepare (const QgsGeometryCheckContext *context, const QVariantMap &configuration) override |
Will be run in the main thread before collectErrors() is called (which may be run from a background thread). | |
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 |
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. | |
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 |
Checks for gaps between neighbouring polygons.
Definition at line 89 of file qgsgeometrygapcheck.h.
Resolution methods for geometry gap checks.
Definition at line 96 of file qgsgeometrygapcheck.h.
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explicit |
The configuration accepts a "gapThreshold" key which specifies the maximum gap size in squared map units.
Any gaps which are larger than this area are accepted. If "gapThreshold" is set to 0, the check is disabled.
Definition at line 29 of file qgsgeometrygapcheck.cpp.
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overridevirtual |
Returns a list of available resolution methods.
Reimplemented from QgsGeometryCheck.
Definition at line 435 of file qgsgeometrygapcheck.cpp.
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inlineoverridevirtual |
Returns the check type.
Implements QgsGeometryCheck.
Definition at line 126 of file qgsgeometrygapcheck.h.
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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.
Implements QgsGeometryCheck.
Definition at line 54 of file qgsgeometrygapcheck.cpp.
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inlineoverridevirtual |
A list of geometry types for which this check can be performed.
Implements QgsGeometryCheck.
Definition at line 116 of file qgsgeometrygapcheck.h.
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overridevirtual |
Returns a human readable description for this check.
Implements QgsGeometryCheck.
Definition at line 452 of file qgsgeometrygapcheck.cpp.
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overridevirtual |
Fixes the error error with the specified method.
Is executed on the main thread.
Reimplemented from QgsGeometryCheck.
Definition at line 194 of file qgsgeometrygapcheck.cpp.
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overridevirtual |
Flags for this geometry check.
Reimplemented from QgsGeometryCheck.
Definition at line 462 of file qgsgeometrygapcheck.cpp.
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overridevirtual |
Returns an id for this check.
Implements QgsGeometryCheck.
Definition at line 457 of file qgsgeometrygapcheck.cpp.
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overridevirtual |
Will be run in the main thread before collectErrors() is called (which may be run from a background thread).
Reimplemented from QgsGeometryCheck.
Definition at line 35 of file qgsgeometrygapcheck.cpp.
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overridevirtual |
Returns a list of descriptions for available resolutions for errors.
The index will be passed as method
to
Reimplemented from QgsGeometryCheck.
Definition at line 424 of file qgsgeometrygapcheck.cpp.