18#ifndef QGSVECTORLAYER_H
19#define QGSVECTORLAYER_H
59class QgsGeometryVertexIndex;
403 Q_PROPERTY( QString subsetString READ subsetString WRITE setSubsetString NOTIFY subsetStringChanged )
404 Q_PROPERTY( QString displayExpression READ displayExpression WRITE setDisplayExpression NOTIFY displayExpressionChanged )
405 Q_PROPERTY(
QgsEditFormConfig editFormConfig READ editFormConfig WRITE setEditFormConfig NOTIFY editFormConfigChanged )
406 Q_PROPERTY(
bool readOnly READ isReadOnly WRITE setReadOnly NOTIFY readOnlyChanged )
407 Q_PROPERTY(
bool supportsEditing READ supportsEditing NOTIFY supportsEditingChanged )
429 bool readExtentFromXml =
false )
430 : loadDefaultStyle( loadDefaultStyle )
431 , readExtentFromXml( readExtentFromXml )
439 bool loadDefaultStyle =
true,
440 bool readExtentFromXml =
false
442 : loadDefaultStyle( loadDefaultStyle )
443 , readExtentFromXml( readExtentFromXml )
444 , transformContext( transformContext )
448 bool loadDefaultStyle =
true;
454 bool readExtentFromXml =
false;
501 bool skipCrsValidation =
false;
514 bool forceReadOnly =
false;
528 bool loadAllStoredStyles =
false;
549 QList<QgsVectorLayer *> handledLayers(
bool includeAuxiliaryLayers =
true )
const;
556 QMap<QgsVectorLayer *, QgsFeatureIds> mHandledFeatures
SIP_SKIP;
574 explicit QgsVectorLayer(
const QString &path = QString(),
const QString &baseName = QString(),
585 SIP_PYOBJECT __repr__();
587 QString
str = QStringLiteral(
"<QgsVectorLayer: '%1' (%2)>" ).arg( sipCpp->name(), sipCpp->dataProvider() ? sipCpp->dataProvider()->name() : QStringLiteral(
"Invalid" ) );
588 sipRes = PyUnicode_FromString(
str.toUtf8().constData() );
606 QString storageType() const;
611 QString capabilitiesString() const;
623 bool isSqlQuery() const;
631 Qgis::VectorLayerTypeFlags vectorLayerTypeFlags() const;
637 QString dataComment() const;
646 QString displayField() const;
655 void setDisplayExpression( const QString &displayExpression );
663 QString displayExpression() const;
665 bool hasMapTips() const
FINAL;
684 void setProviderEncoding( const QString &encoding );
687 void setCoordinateSystem();
700 bool removeJoin( const QString &joinLayerId );
714 const QList<QgsVectorLayerJoinInfo> vectorJoins()
const;
745 int addExpressionField( const QString &exp, const
QgsField &fld );
754 void removeExpressionField(
int index );
765 QString expressionField(
int index ) const;
776 void updateExpressionField(
int index, const QString &exp );
798 int selectedFeatureCount()
const;
849 Q_INVOKABLE
void invertSelection();
852 Q_INVOKABLE
void selectAll();
861 Q_INVOKABLE
void invertSelectionInRectangle(
QgsRectangle &rect );
913 bool labelsEnabled()
const;
924 void setLabelsEnabled(
bool enabled );
931 bool diagramsEnabled()
const;
985 void removeFeatureRendererGenerator(
const QString &
id );
994 QList< const QgsFeatureRendererGenerator * > featureRendererGenerators()
const;
1003 QString sourceName() const
FINAL;
1018 QString decodedSource( const QString &source, const QString &provider, const
QgsReadWriteContext &context ) const
FINAL;
1039 bool loadAuxiliaryLayer( const
QgsAuxiliaryStorage &storage, const QString &key = QString() );
1066 bool readSymbology( const QDomNode &layerNode, QString &errorMessage,
1068 bool readStyle( const QDomNode &node, QString &errorMessage,
1070 bool writeSymbology( QDomNode &node, QDomDocument &doc, QString &errorMessage,
1072 bool writeStyle( QDomNode &node, QDomDocument &doc, QString &errorMessage,
1083 bool writeSld( QDomNode &node, QDomDocument &doc, QString &errorMessage, const QVariantMap &props = QVariantMap() ) const;
1085 bool readSld( const QDomNode &node, QString &errorMessage )
FINAL;
1092 long long featureCount( const QString &legendKey ) const;
1100 QgsFeatureIds symbolFeatureIds( const QString &legendKey ) const;
1112 FeatureAvailability hasFeatures() const
FINAL;
1115 QString loadDefaultStyle(
bool &resultFlag
SIP_OUT )
FINAL;
1139 virtual
bool setSubsetString( const QString &subset );
1145 virtual QString subsetString() const;
1222 bool updateFeature(
QgsFeature &feature,
bool skipDefaultValues = false );
1235 bool insertVertex(
double x,
double y,
QgsFeatureId atFeatureId,
int beforeVertex );
1260 bool moveVertex(
double x,
double y,
QgsFeatureId atFeatureId,
int atVertex );
1293 Q_INVOKABLE
bool deleteSelectedFeatures(
int *deletedCount =
nullptr,
QgsVectorLayer::DeleteContext *context =
nullptr );
1382#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
1448 Q_INVOKABLE
int translateFeature(
QgsFeatureId featureId,
double dx,
double dy );
1491 Q_INVOKABLE
Qgis::GeometryOperationResult splitParts( const
QgsPointSequence &splitLine,
bool topologicalEditing = false );
1513 Q_DECL_DEPRECATED
Qgis::GeometryOperationResult splitFeatures( const QVector<
QgsPointXY> &splitLine,
bool topologicalEditing = false )
SIP_DEPRECATED;
1534 Q_INVOKABLE
Qgis::GeometryOperationResult splitFeatures( const
QgsPointSequence &splitLine,
bool topologicalEditing = false );
1558 Q_INVOKABLE
Qgis::GeometryOperationResult splitFeatures( const
QgsCurve *curve,
QgsPointSequence &topologyTestPoints
SIP_OUT,
bool preserveCircular = false,
bool topologicalEditing = false );
1573 int addTopologicalPoints( const
QgsGeometry &geom );
1609 int addTopologicalPoints( const
QgsPoint &p );
1655 bool isSpatial() const
FINAL;
1658 bool isModified() const override;
1666 bool isAuxiliaryField(
int index,
int &srcIndex ) const;
1669 void reload()
FINAL;
1714 bool setReadOnly(
bool readonly = true );
1721 bool supportsEditing() const override;
1775 bool changeAttributeValue(
QgsFeatureId fid,
int field, const QVariant &newValue, const QVariant &oldValue = QVariant(),
bool skipDefaultValues = false );
1823 bool addAttribute( const
QgsField &field );
1830 void setFieldAlias(
int index, const QString &aliasString );
1837 void removeFieldAlias(
int index );
1849 bool renameAttribute(
int index, const QString &newName );
1857 QString attributeAlias(
int index ) const;
1860 QString attributeDisplayName(
int index ) const;
1884 if ( a0 < 0 || a0 >= sipCpp->fields().count() )
1886 PyErr_SetString( PyExc_KeyError, QByteArray::number( a0 ) );
1891 sipCpp->setFieldSplitPolicy( a0, a1 );
1900 Q_DECL_DEPRECATED QSet<QString> excludeAttributesWms() const
SIP_DEPRECATED;
1906 Q_DECL_DEPRECATED
void setExcludeAttributesWms( const QSet<QString> &att )
SIP_DEPRECATED;
1912 Q_DECL_DEPRECATED QSet<QString> excludeAttributesWfs() const
SIP_DEPRECATED;
1918 Q_DECL_DEPRECATED
void setExcludeAttributesWfs( const QSet<QString> &att )
SIP_DEPRECATED;
1928 virtual
bool deleteAttribute(
int attr );
1937 bool deleteAttributes( const QList<
int> &attrs );
1951 bool deleteFeature(
QgsFeatureId fid, DeleteContext *context =
nullptr );
1966 bool deleteFeatures( const
QgsFeatureIds &fids, DeleteContext *context =
nullptr );
1991 Q_INVOKABLE
bool commitChanges(
bool stopEditing = true );
1998 QStringList commitErrors() const;
2009 Q_INVOKABLE
bool rollBack(
bool deleteBuffer = true );
2017 QList<
QgsRelation> referencingRelations(
int idx ) const;
2053 void beginEditCommand(
const QString &text );
2056 void endEditCommand();
2059 void destroyEditCommand();
2065 Q_DECL_DEPRECATED
static void drawVertexMarker(
double x,
double y, QPainter &p,
Qgis::VertexMarkerType type,
int vertexSize );
2075 void updateFields();
2105 void setDefaultValueDefinition(
int index,
const QgsDefaultValue &definition );
2126 QgsFieldConstraints::Constraints fieldConstraints(
int fieldIndex )
const;
2133 QMap< QgsFieldConstraints::Constraint, QgsFieldConstraints::ConstraintStrength> fieldConstraintsAndStrength(
int fieldIndex )
const;
2161 QString constraintExpression(
int index )
const;
2170 QString constraintDescription(
int index )
const;
2180 void setConstraintExpression(
int index,
const QString &expression,
const QString &description = QString() );
2187 void setFieldConfigurationFlags(
int index, Qgis::FieldConfigurationFlags flags );
2200 Qgis::FieldConfigurationFlags fieldConfigurationFlags(
int index )
const;
2241 QStringList uniqueStringsMatching(
int index, const QString &substring,
int limit = -1,
2258 QVariant minimumValue(
int index ) const
FINAL;
2274 QVariant maximumValue(
int index ) const
FINAL;
2296 void minimumAndMaximumValue(
int index, QVariant &minimum
SIP_OUT, QVariant &maximum
SIP_OUT ) const;
2313 const QString &fieldOrExpression,
2322 void setFeatureBlendMode( QPainter::CompositionMode blendMode );
2324 QPainter::CompositionMode featureBlendMode() const;
2326 QString htmlMetadata() const
FINAL;
2396 void setReadExtentFromXml(
bool readExtentFromXml );
2405 bool readExtentFromXml() const;
2412 bool isEditCommandActive()
const {
return mEditCommandActive; }
2457 void setAllowCommit(
bool allowCommit )
SIP_SKIP;
2502 Q_INVOKABLE
void deselect(
const QgsFeatureIds &featureIds );
2510 Q_INVOKABLE
void removeSelection();
2530 virtual void updateExtents(
bool force =
false );
2546 Q_INVOKABLE
bool startEditing();
2812 void invalidateSymbolCountedFlag();
2813 void onFeatureCounterCompleted();
2814 void onFeatureCounterTerminated();
2815 void onJoinedFieldsChanged();
2817 void onRelationsLoaded();
2818 void onSymbolsCounted();
2819 void onDirtyTransaction(
const QString &sql,
const QString &name );
2820 void emitDataChanged();
2821 void onAfterCommitChangesDependency();
2835 bool isReadOnly() const
FINAL;
2856 void setDataSourcePrivate( const QString &dataSource, const QString &baseName, const QString &provider, const
QgsDataProvider::ProviderOptions &options,
QgsDataProvider::ReadFlags flags ) override;
2859 void readSldLabeling( const QDomNode &node );
2873 void minimumOrMaximumValue(
int index, QVariant *minimum, QVariant *maximum )
const;
2875 void createEditBuffer();
2876 void clearEditBuffer();
2885 QString mDisplayExpression;
2891 bool mDataSourceReadOnly =
false;
2899 bool mReadOnly =
false;
2920 QMap<QString, QgsDefaultValue> mDefaultExpressionMap;
2923 QMap< QString, Qgis::FieldDomainSplitPolicy > mAttributeSplitPolicy;
2926 QSet<int> mDefaultValueOnUpdateFields;
2929 QMap< QString, QgsFieldConstraints::Constraints > mFieldConstraints;
2935 QMap< QString, QPair< QString, QString > > mFieldConstraintExpressions;
2937 QMap< QString, Qgis::FieldConfigurationFlags > mFieldConfigurationFlags;
2938 QMap< QString, QgsEditorWidgetSetup > mFieldWidgetSetups;
2956 bool mLabelsEnabled =
false;
2959 bool mLabelFontNotFoundNotified =
false;
2962 QPainter::CompositionMode mFeatureBlendMode = QPainter::CompositionMode_SourceOver;
2965 bool mVertexMarkerOnlyForSelection =
false;
2967 QStringList mCommitErrors;
2987 mutable bool mValidExtent =
false;
2988 mutable bool mLazyExtent =
true;
2991 std::unique_ptr<QgsAuxiliaryLayer> mAuxiliaryLayer;
2994 QString mAuxiliaryLayerKey;
2997 bool mSymbolFeatureCounted =
false;
3000 QHash<QString, long long> mSymbolFeatureCountMap;
3001 QHash<QString, QgsFeatureIds> mSymbolFeatureIdMap;
3004 bool mEditCommandActive =
false;
3007 bool mCommitChangesActive =
false;
3009 bool mReadExtentFromXml;
3016 mutable QMutex mFeatureSourceConstructorMutex;
3020 std::unique_ptr<QgsGeometryOptions> mGeometryOptions;
3022 bool mAllowCommit =
true;
3030 bool mDataChangedFired =
false;
3032 QList<QgsWeakRelation> mWeakRelations;
3034 bool mSetLegendFromStyle =
false;
3036 QList< QgsFeatureRendererGenerator * > mRendererGenerators;
3039 QTimer *mRefreshRendererTimer =
nullptr;
3044 bool mLoadAllStoredStyle =
false;
The Qgis class provides global constants for use throughout the application.
GeometryOperationResult
Success or failure of a geometry operation.
FieldDomainSplitPolicy
Split policy for field domains.
GeometryType
The geometry types are used to group Qgis::WkbType in a coarse way.
VertexMarkerType
Editing vertex markers, used for showing vertices during a edit operation.
WkbType
The WKB type describes the number of dimensions a geometry has.
FieldConfigurationFlag
Configuration flags for fields These flags are meant to be user-configurable and are not describing a...
SelectBehavior
Specifies how a selection should be applied.
@ SetSelection
Set selection, removing any existing selection.
Abstract base class for simplify geometries using a specific algorithm.
Abstract base class for objects which generate elevation profiles.
Interface for classes which can generate elevation profiles.
Abstract base class - its implementations define different approaches to the labeling of a vector lay...
Storage and management of actions associated with a layer.
Utility class for calculating aggregates for a field (or expression) over the features from a vector ...
This is a container for configuration of the attribute table.
Class allowing to manage the auxiliary storage for a vector layer.
Class providing some utility methods to manage auxiliary storage.
A 3-dimensional box composed of x, y, z coordinates.
The QgsConditionalLayerStyles class holds conditional style information for a layer.
This class represents a coordinate reference system (CRS).
Contains information about the context in which a coordinate transform is executed.
Abstract base class for curved geometry type.
Abstract base class for spatial data provider implementations.
The QgsDefaultValue class provides a container for managing client side default values for fields.
Stores the settings for rendering of all diagrams for a layer.
Evaluates and returns the diagram settings relating to a diagram for a specific feature.
Abstract interface for generating an expression context.
virtual QgsExpressionContext createExpressionContext() const =0
This method needs to be reimplemented in all classes which implement this interface and return an exp...
Abstract interface for generating an expression context scope.
Single scope for storing variables and functions for use within a QgsExpressionContext.
Expression contexts are used to encapsulate the parameters around which a QgsExpression should be eva...
Buffers information about expression fields for a vector layer.
Wrapper for iterator of features from vector data provider or vector layer.
bool nextFeature(QgsFeature &f)
An interface for objects which generate feature renderers for vector layers.
This class wraps a request for features to a vector layer (or directly its vector data provider).
An interface for objects which accept features via addFeature(s) methods.
virtual bool addFeature(QgsFeature &feature, QgsFeatureSink::Flags flags=QgsFeatureSink::Flags())
Adds a single feature to the sink.
An interface for objects which provide features via a getFeatures method.
virtual QSet< QVariant > uniqueValues(int fieldIndex, int limit=-1) const
Returns the set of unique values contained within the specified fieldIndex from this source.
SpatialIndexPresence
Enumeration of spatial index presence states.
virtual Qgis::WkbType wkbType() const =0
Returns the geometry type for features returned by this source.
virtual QgsFeatureIterator getFeatures(const QgsFeatureRequest &request=QgsFeatureRequest()) const =0
Returns an iterator for the features in the source.
virtual long long featureCount() const =0
Returns the number of features contained in the source, or -1 if the feature count is unknown.
virtual SpatialIndexPresence hasSpatialIndex() const
Returns an enum value representing the presence of a valid spatial index on the source,...
The feature class encapsulates a single feature including its unique ID, geometry and a list of field...
Base class for feedback objects to be used for cancellation of something running in a worker thread.
ConstraintStrength
Strength of constraints.
@ ConstraintStrengthHard
Constraint must be honored before feature can be accepted.
Constraint
Constraints which may be present on a field.
Encapsulate a field in an attribute table or data source.
Container of fields for a vector layer.
QgsAttributeList allAttributesList() const
Utility function to get list of attribute indexes.
The QgsGeometryOptions class contains options to automatically adjust geometries to constraints on a ...
A geometry is the spatial representation of a feature.
Base class for storage of map layer elevation properties.
Base class for utility classes that encapsulate information necessary for rendering of map layers.
Base class for storage of map layer selection properties.
Base class for storage of map layer temporal properties.
Base class for all map layer types.
virtual bool accept(QgsStyleEntityVisitorInterface *visitor) const
Accepts the specified symbology visitor, causing it to visit all symbols associated with the layer.
virtual bool setDependencies(const QSet< QgsMapLayerDependency > &layers)
Sets the list of dependencies.
virtual void setExtent3D(const QgsBox3D &box)
Sets the extent.
virtual QSet< QgsMapLayerDependency > dependencies() const
Gets the list of dependencies.
friend class QgsVectorLayer
virtual bool isEditable() const
Returns true if the layer can be edited.
virtual QgsMapLayer * clone() const =0
Returns a new instance equivalent to this one except for the id which is still unique.
virtual void setExtent(const QgsRectangle &rect)
Sets the extent.
virtual void setTransformContext(const QgsCoordinateTransformContext &transformContext)=0
Sets the coordinate transform context to transformContext.
Perform transforms between map coordinates and device coordinates.
Contains settings for how a map layer will be labeled.
A class to represent a 2D point.
Point geometry type, with support for z-dimension and m-values.
Encapsulates properties and constraints relating to fetching elevation profiles from different source...
Encapsulates a QGIS project, including sets of map layers and their styles, layouts,...
The class is used as a container of context for various read/write operations on other objects.
A rectangle specified with double values.
This class manages a set of relations between layers.
Contains information about the context of a rendering operation.
A boolean settings entry.
A template class for enum and flag settings entry.
Manages stored expressions regarding creation, modification and storing in the project.
An interface for classes which can visit style entity (e.g.
Abstract base class for all rendered symbols.
This is the base class for vector data providers.
The edit buffer group manages a group of edit buffers.
Vector layer specific subclass of QgsMapLayerElevationProperties.
Counts the features in a QgsVectorLayer in task.
Partial snapshot of vector layer's state (only the members necessary for access to features)
Manages joined fields for a vector layer.
Defines left outer join from our vector layer to some other vector layer.
Implementation of layer selection properties for vector layers.
Implementation of map layer temporal properties for vector layers.
Represents a vector layer which manages a vector based data sets.
void committedFeaturesAdded(const QString &layerId, const QgsFeatureList &addedFeatures)
Emitted when features are added to the provider if not in transaction mode.
void labelingFontNotFound(QgsVectorLayer *layer, const QString &fontfamily)
Emitted when the font family defined for labeling layer is not found on system.
void featureBlendModeChanged(QPainter::CompositionMode blendMode)
Signal emitted when setFeatureBlendMode() is called.
void beforeRemovingExpressionField(int idx)
Will be emitted, when an expression field is going to be deleted from this vector layer.
void committedGeometriesChanges(const QString &layerId, const QgsGeometryMap &changedGeometries)
Emitted when geometry changes are saved to the provider if not in transaction mode.
void beforeCommitChanges(bool stopEditing)
Emitted before changes are committed to the data provider.
void attributeAdded(int idx)
Will be emitted, when a new attribute has been added to this vector layer.
QgsAbstractVectorLayerLabeling * labeling()
Access to labeling configuration.
void allowCommitChanged()
Emitted whenever the allowCommitChanged() property of this layer changes.
void editCommandStarted(const QString &text)
Signal emitted when a new edit command has been started.
const QgsDiagramLayerSettings * diagramLayerSettings() const
const QgsVectorLayerJoinBuffer * joinBuffer() const
Returns a const pointer on join buffer object.
void editCommandDestroyed()
Signal emitted, when an edit command is destroyed.
QgsVectorLayer(const QgsVectorLayer &rhs)=delete
QgsVectorLayer cannot be copied.
void featuresDeleted(const QgsFeatureIds &fids)
Emitted when features have been deleted.
void subsetStringChanged()
Emitted when the layer's subset string has changed.
void committedFeaturesRemoved(const QString &layerId, const QgsFeatureIds &deletedFeatureIds)
Emitted when features are deleted from the provider if not in transaction mode.
void symbolFeatureCountMapChanged()
Emitted when the feature count for symbols on this layer has been recalculated.
void writeCustomSymbology(QDomElement &element, QDomDocument &doc, QString &errorMessage) const
Signal emitted whenever the symbology (QML-file) for this layer is being written.
void attributeDeleted(int idx)
Will be emitted, when an attribute has been deleted from this vector layer.
QgsVectorLayer & operator=(QgsVectorLayer const &rhs)=delete
QgsVectorLayer cannot be copied.
QgsFeatureRenderer * renderer()
Returns the feature renderer used for rendering the features in the layer in 2D map views.
void beforeEditingStarted()
Emitted before editing on this layer is started.
void committedAttributeValuesChanges(const QString &layerId, const QgsChangedAttributesMap &changedAttributesValues)
Emitted when attribute value changes are saved to the provider if not in transaction mode.
void committedAttributesAdded(const QString &layerId, const QList< QgsField > &addedAttributes)
Emitted when attributes are added to the provider if not in transaction mode.
void committedAttributesDeleted(const QString &layerId, const QgsAttributeList &deletedAttributes)
Emitted when attributes are deleted from the provider if not in transaction mode.
void displayExpressionChanged()
Emitted when the display expression changes.
const QgsActionManager * actions() const
Returns all layer actions defined on this layer.
void editFormConfigChanged()
Will be emitted whenever the edit form configuration of this layer changes.
void afterCommitChanges()
Emitted after changes are committed to the data provider.
QgsFeature getFeature(QgsFeatureId fid) const
Queries the layer for the feature with the given id.
void raiseError(const QString &msg)
Signals an error related to this vector layer.
void editCommandEnded()
Signal emitted, when an edit command successfully ended.
void supportsEditingChanged()
Emitted when the read only state or the data provider of this layer is changed.
void readOnlyChanged()
Emitted when the read only state of this layer is changed.
void attributeValueChanged(QgsFeatureId fid, int idx, const QVariant &value)
Emitted whenever an attribute value change is done in the edit buffer.
QgsFeatureIterator getFeatures(const QgsFeatureIds &fids)
Queries the layer for the features with the given ids.
void afterRollBack()
Emitted after changes are rolled back.
const QgsVectorSimplifyMethod & simplifyMethod() const
Returns the simplification settings for fast rendering of features.
void selectionChanged(const QgsFeatureIds &selected, const QgsFeatureIds &deselected, bool clearAndSelect)
Emitted when selection was changed.
void beforeAddingExpressionField(const QString &fieldName)
Will be emitted, when an expression field is going to be added to this vector layer.
void updatedFields()
Emitted whenever the fields available from this layer have been changed.
void featureAdded(QgsFeatureId fid)
Emitted when a new feature has been added to the layer.
void featureDeleted(QgsFeatureId fid)
Emitted when a feature has been deleted.
void readCustomSymbology(const QDomElement &element, QString &errorMessage)
Signal emitted whenever the symbology (QML-file) for this layer is being read.
const QgsVectorLayerEditBuffer * editBuffer() const
Buffer with uncommitted editing operations.
void beforeRollBack()
Emitted before changes are rolled back.
void geometryChanged(QgsFeatureId fid, const QgsGeometry &geometry)
Emitted whenever a geometry change is done in the edit buffer.
QgsFeatureIterator getFeatures(const QgsRectangle &rectangle)
Queries the layer for the features which intersect the specified rectangle.
const QgsFeatureRenderer * renderer() const
Returns the feature renderer used for rendering the features in the layer in 2D map views.
void beforeModifiedCheck() const
Emitted when the layer is checked for modifications. Use for last-minute additions.
const QgsDiagramRenderer * diagramRenderer() const
This class contains information how to simplify geometries fetched from a vector layer.
SimplifyHint
Simplification flags for fast rendering of features.
The QgsWeakRelation class represent a QgsRelation with possibly unresolved layers or unmatched fields...
QMap< QString, QString > QgsStringMap
QVector< QgsPoint > QgsPointSequence
QMap< int, QVariant > QgsAttributeMap
QMap< QgsFeatureId, QgsGeometry > QgsGeometryMap
QMap< QgsFeatureId, QgsAttributeMap > QgsChangedAttributesMap
QList< QgsFeature > QgsFeatureList
QSet< QgsFeatureId > QgsFeatureIds
qint64 QgsFeatureId
64 bit feature ids negative numbers are used for uncommitted/newly added features
QList< int > QgsAttributeList
QList< int > QgsAttributeList
QSet< int > QgsAttributeIds
Context for cascade delete features.
DeleteContext(bool cascade=false, QgsProject *project=nullptr)
Constructor for DeleteContext.
Setting options for loading vector layers.
LayerOptions(bool loadDefaultStyle=true, bool readExtentFromXml=false)
Constructor for LayerOptions.
LayerOptions(const QgsCoordinateTransformContext &transformContext, bool loadDefaultStyle=true, bool readExtentFromXml=false)
Constructor for LayerOptions.
QgsCoordinateReferenceSystem fallbackCrs
Fallback layer coordinate reference system.