111 geometry.
set(
nullptr );
121 return addRing( ringLine, targetFeatureIds, modifiedFeatureId );
136 if ( !targetFeatureIds.isEmpty() )
157 addRingReturnCode = g.
addRing( static_cast< QgsCurve * >( ring->
clone() ) );
158 if ( addRingReturnCode == 0 )
162 if ( modifiedFeatureId )
163 *modifiedFeatureId = f.
id();
171 return addRingReturnCode;
177 for ( QList<QgsPointXY>::const_iterator it = points.constBegin(); it != points.constEnd(); ++it )
181 return addPart( l, featureId );
187 return QgsGeometry::OperationResult::AddPartSelectedGeometryNotFound;
190 bool firstPart =
false;
193 return QgsGeometry::OperationResult::AddPartSelectedGeometryNotFound;
225 bool firstPart =
false;
266 int errorCode = geometry.
translate( dx, dy );
267 if ( errorCode == 0 )
280 double xMin, yMin, xMax, yMax;
284 int numberOfSplitFeatures = 0;
289 if ( !selectedIds.isEmpty() )
295 if ( boundingBoxFromPointList( splitLine, xMin, yMin, xMax, yMax ) )
304 return QgsGeometry::OperationResult::InvalidInputGeometryType;
315 else if ( bBox.
height() == 0.0 && bBox.
width() > 0 )
323 double bufferDistance = 0.000001;
325 bufferDistance = 0.00000001;
343 QVector<QgsGeometry> newGeometries;
344 QVector<QgsPointXY> topologyTestPoints;
346 splitFunctionReturn = featureGeom.
splitGeometry( splitLine, newGeometries, topologicalEditing, topologyTestPoints );
347 if ( splitFunctionReturn == QgsGeometry::OperationResult::Success )
353 for (
int i = 0; i < newGeometries.size(); ++i )
359 if ( topologicalEditing )
361 QVector<QgsPointXY>::const_iterator topol_it = topologyTestPoints.constBegin();
362 for ( ; topol_it != topologyTestPoints.constEnd(); ++topol_it )
367 ++numberOfSplitFeatures;
371 returnCode = splitFunctionReturn;
375 if ( numberOfSplitFeatures == 0 && !selectedIds.isEmpty() )
379 returnCode = QgsGeometry::OperationResult::NothingHappened;
390 double xMin, yMin, xMax, yMax;
394 int numberOfSplitParts = 0;
404 if ( boundingBoxFromPointList( splitLine, xMin, yMin, xMax, yMax ) )
413 return QgsGeometry::OperationResult::InvalidInputGeometryType;
424 else if ( bBox.
height() == 0.0 && bBox.
width() > 0 )
432 double bufferDistance = 0.000001;
434 bufferDistance = 0.00000001;
450 QVector<QgsGeometry> newGeometries;
451 QVector<QgsPointXY> topologyTestPoints;
453 splitFunctionReturn = featureGeom.
splitGeometry( splitLine, newGeometries, topologicalEditing, topologyTestPoints );
454 if ( splitFunctionReturn == 0 )
457 if ( !newGeometries.isEmpty() )
460 for (
int i = 0; i < newGeometries.size(); ++i )
462 addPartRet = featureGeom.
addPart( newGeometries.at( i ) );
475 if ( topologicalEditing )
477 QVector<QgsPointXY>::const_iterator topol_it = topologyTestPoints.constBegin();
478 for ( ; topol_it != topologyTestPoints.constEnd(); ++topol_it )
483 ++numberOfSplitParts;
485 else if ( splitFunctionReturn != QgsGeometry::OperationResult::Success && splitFunctionReturn != QgsGeometry::OperationResult::NothingHappened )
487 returnCode = splitFunctionReturn;
495 returnCode = QgsGeometry::OperationResult::NothingHappened;
524 QgsPolylineXY::const_iterator line_it = line.constBegin();
525 for ( ; line_it != line.constEnd(); ++line_it )
538 for (
int i = 0; i < multiLine.size(); ++i )
540 QgsPolylineXY::const_iterator line_it = currentPolyline.constBegin();
541 for ( ; line_it != currentPolyline.constEnd(); ++line_it )
560 for (
int i = 0; i < polygon.size(); ++i )
562 currentRing = polygon.at( i );
563 QgsPolylineXY::const_iterator line_it = currentRing.constBegin();
564 for ( ; line_it != currentRing.constEnd(); ++line_it )
579 for (
int i = 0; i < multiPolygon.size(); ++i )
581 currentPolygon = multiPolygon.at( i );
582 for (
int j = 0; j < currentPolygon.size(); ++j )
584 currentRing = currentPolygon.at( j );
585 QgsPolylineXY::const_iterator line_it = currentRing.constBegin();
586 for ( ; line_it != currentRing.constEnd(); ++line_it )
613 double segmentSearchEpsilon = mLayer->
crs().
isGeographic() ? 1e-12 : 1e-8;
616 double threshold = 0.0000001;
627 p.
x() + threshold, p.
y() + threshold );
628 double sqrSnappingTolerance = threshold * threshold;
632 .setFilterRect( searchRect )
636 QMap<QgsFeatureId, QgsGeometry> features;
637 QMap<QgsFeatureId, int> segments;
644 if ( sqrDistSegmentSnap < sqrSnappingTolerance )
646 segments[f.
id()] = afterVertex;
651 if ( segments.isEmpty() )
654 for ( QMap<QgsFeatureId, int>::const_iterator it = segments.constBegin(); it != segments.constEnd(); ++it )
657 int segmentAfterVertex = it.value();
660 int atVertex, beforeVertex, afterVertex;
661 double sqrDistVertexSnap;
662 geom.
closestVertex( p, atVertex, beforeVertex, afterVertex, sqrDistVertexSnap );
664 if ( sqrDistVertexSnap < sqrSnappingTolerance )
667 if ( !mLayer->
insertVertex( p.
x(), p.
y(), fid, segmentAfterVertex ) )
677 bool QgsVectorLayerEditUtils::boundingBoxFromPointList(
const QVector<QgsPointXY> &list,
double &xmin,
double &ymin,
double &xmax,
double &ymax )
const 684 xmin = std::numeric_limits<double>::max();
685 xmax = -std::numeric_limits<double>::max();
686 ymin = std::numeric_limits<double>::max();
687 ymax = -std::numeric_limits<double>::max();
689 for ( QVector<QgsPointXY>::const_iterator it = list.constBegin(); it != list.constEnd(); ++it )
691 if ( it->x() < xmin )
695 if ( it->x() > xmax )
699 if ( it->y() < ymin )
703 if ( it->y() > ymax )
Wrapper for iterator of features from vector data provider or vector layer.
double closestSegmentWithContext(const QgsPointXY &point, QgsPointXY &minDistPoint, int &afterVertex, int *leftOf=nullptr, double epsilon=DEFAULT_SEGMENT_EPSILON) const
Searches for the closest segment of geometry to the given point.
A rectangle specified with double values.
QgsGeometry::OperationResult splitParts(const QVector< QgsPointXY > &splitLine, bool topologicalEditing=false)
Splits parts cut by the given line.
The input ring doesn't have any existing ring to fit into.
static QgsFeature createFeature(QgsVectorLayer *layer, const QgsGeometry &geometry=QgsGeometry(), const QgsAttributeMap &attributes=QgsAttributeMap(), QgsExpressionContext *context=nullptr)
Creates a new feature ready for insertion into a layer.
OperationResult addPart(const QVector< QgsPointXY > &points, QgsWkbTypes::GeometryType geomType=QgsWkbTypes::UnknownGeometry)
Adds a new part to a the geometry.
bool isNull() const
Returns true if the geometry is null (ie, contains no underlying geometry accessible via geometry() )...
void setXMaximum(double x)
Set the maximum x value.
Use exact geometry intersection (slower) instead of bounding boxes.
static bool isMultiType(Type type)
Returns true if the WKB type is a multi type.
Nothing happened, without any error.
virtual bool addFeature(QgsFeature &f)
Adds a feature.
QSet< QgsFeatureId > QgsFeatureIds
QgsWkbTypes::Type wkbType() const
Returns type of the geometry as a WKB type (point / linestring / polygon etc.)
A class to represent a 2D point.
int selectedFeatureCount() const
The number of features that are selected in this layer.
QVector< QgsPolylineXY > QgsPolygonXY
Polygon: first item of the list is outer ring, inner rings (if any) start from second item...
bool moveVertex(double x, double y, int atVertex)
Moves the vertex at the given position number and item (first number is index 0) to the given coordin...
QgsWkbTypes::GeometryType geometryType() const
Returns point, line or polygon.
A geometry is the spatial representation of a feature.
QgsUnitTypes::DistanceUnit mapUnits
OperationResult addRing(const QVector< QgsPointXY > &ring)
Adds a new ring to this geometry.
Edit operation resulted in an empty geometry.
int addTopologicalPoints(const QgsGeometry &geom)
Adds topological points for every vertex of the geometry.
The feature class encapsulates a single feature including its id, geometry and a list of field/values...
bool insertVertex(double x, double y, int beforeVertex)
Insert a new vertex before the given vertex index, ring and item (first number is index 0) If the req...
bool hasGeometry() const
Returns true if the feature has an associated geometry.
bool insertVertex(double x, double y, QgsFeatureId atFeatureId, int beforeVertex)
Insert a new vertex before the given vertex number, in the given ring, item (first number is index 0)...
OperationResult
Success or failure of a geometry operation.
QVector< QgsPolygonXY > QgsMultiPolygonXY
A collection of QgsPolygons that share a common collection of attributes.
QgsPointXY closestVertex(const QgsPointXY &point, int &atVertex, int &beforeVertex, int &afterVertex, double &sqrDist) const
Returns the vertex closest to the given point, the corresponding vertex index, squared distance snap ...
QVector< QgsPolylineXY > QgsMultiPolylineXY
A collection of QgsPolylines that share a common collection of attributes.
QgsMultiPolylineXY asMultiPolyline() const
Returns contents of the geometry as a multi linestring if wkbType is WKBMultiLineString, otherwise an empty list.
virtual bool doesStrictFeatureTypeCheck() const
Returns true if the provider is strict about the type of inserted features (e.g.
The selected geometry cannot be found.
QgsVectorLayerEditBuffer * editBuffer()
Buffer with uncommitted editing operations. Only valid after editing has been turned on...
Type
The WKB type describes the number of dimensions a geometry has.
const QgsFeatureIds & selectedFeatureIds() const
Return reference to identifiers of selected features.
bool convertToSingleType()
Converts multi type geometry into single type geometry e.g.
bool isEmpty() const
Returns true if the rectangle is empty.
QgsFeatureIterator getSelectedFeatures(QgsFeatureRequest request=QgsFeatureRequest()) const
Get an iterator of the selected features.
QgsPolygonXY asPolygon() const
Returns contents of the geometry as a polygon if wkbType is WKBPolygon, otherwise an empty list...
double width() const
Returns the width of the rectangle.
void setYMinimum(double y)
Set the minimum y value.
bool deleteVertex(int atVertex)
Deletes the vertex at the given position number and item (first number is index 0) ...
QgsWkbTypes::Type wkbType() const override
Returns the WKBType or WKBUnknown in case of error.
QgsGeometry::OperationResult splitFeatures(const QVector< QgsPointXY > &splitLine, bool topologicalEditing=false)
Splits features cut by the given line.
static GeometryType geometryType(Type type)
Returns the geometry type for a WKB type, e.g., both MultiPolygon and CurvePolygon would have a Polyg...
int translateFeature(QgsFeatureId featureId, double dx, double dy)
Translates feature by dx, dy.
bool moveVertex(double x, double y, QgsFeatureId atFeatureId, int atVertex)
Moves the vertex at the given position number, ring and item (first number is index 0)...
This class wraps a request for features to a vector layer (or directly its vector data provider)...
virtual bool changeGeometry(QgsFeatureId fid, const QgsGeometry &geom)
Change feature's geometry.
bool isSpatial() const override
Returns true if this is a geometry layer and false in case of NoGeometry (table only) or UnknownGeome...
QgsCoordinateReferenceSystem crs() const
Returns the layer's spatial reference system.
QgsAttributeMap toMap() const
Returns a QgsAttributeMap of the attribute values.
bool isGeographic() const
Returns whether the CRS is a geographic CRS (using lat/lon coordinates)
Abstract base class for curved geometry type.
QgsGeometry geometry() const
Returns the geometry associated with this feature.
Point geometry type, with support for z-dimension and m-values.
QgsGeometry::OperationResult addPart(const QList< QgsPointXY > &ring, QgsFeatureId featureId)
Adds a new part polygon to a multipart feature.
QgsFeatureIterator getFeatures(const QgsFeatureRequest &request=QgsFeatureRequest()) const override
Query the layer for features specified in request.
const QgsAbstractGeometry * constGet() const
Returns a non-modifiable (const) reference to the underlying abstract geometry primitive.
double yMinimum() const
Returns the y minimum value (bottom side of rectangle).
static bool isSingleType(Type type)
Returns true if the WKB type is a single type.
double xMaximum() const
Returns the x maximum value (right side of rectangle).
QVector< QgsPoint > QgsPointSequence
bool insertVertex(double x, double y, QgsFeatureId atFeatureId, int beforeVertex)
Insert a new vertex before the given vertex number, in the given ring, item (first number is index 0)...
QgsRectangle boundingBox() const override
Returns the minimal bounding box for the geometry.
QVector< QgsPointXY > QgsPolylineXY
Polyline as represented as a vector of two-dimensional points.
bool convertToMultiType()
Converts single type geometry into multitype geometry e.g.
The base geometry on which the operation is done is invalid or empty.
QgsGeometry::OperationResult addRing(const QVector< QgsPointXY > &ring, const QgsFeatureIds &targetFeatureIds=QgsFeatureIds(), QgsFeatureId *modifiedFeatureId=nullptr)
Adds a ring to polygon/multipolygon features.
OperationResult splitGeometry(const QVector< QgsPointXY > &splitLine, QVector< QgsGeometry > &newGeometries, bool topological, QVector< QgsPointXY > &topologyTestPoints)
Splits this geometry according to a given line.
QgsCurve * clone() const override=0
Clones the geometry by performing a deep copy.
void setYMaximum(double y)
Set the maximum y value.
Edit operation was successful.
Line string geometry type, with support for z-dimension and m-values.
QgsVectorDataProvider * dataProvider() override
Returns the layer's data provider.
QgsVectorLayer::EditResult deleteVertex(QgsFeatureId featureId, int vertex)
Deletes a vertex from a feature.
double xMinimum() const
Returns the x minimum value (left side of rectangle).
OperationResult translate(double dx, double dy, double dz=0.0, double dm=0.0)
Translates this geometry by dx, dy, dz and dm.
double yMaximum() const
Returns the y maximum value (top side of rectangle).
QgsPolylineXY asPolyline() const
Returns contents of the geometry as a polyline if wkbType is WKBLineString, otherwise an empty list...
Edit failed due to invalid layer.
QList< int > QgsAttributeList
bool nextFeature(QgsFeature &f)
void set(QgsAbstractGeometry *geometry)
Sets the underlying geometry store.
virtual int nCoordinates() const
Returns the number of nodes contained in the geometry.
Represents a vector layer which manages a vector based data sets.
EditResult
Result of an edit operation.
QgsMultiPolygonXY asMultiPolygon() const
Returns contents of the geometry as a multi polygon if wkbType is WKBMultiPolygon, otherwise an empty list.
Unable to fetch requested feature.
void setXMinimum(double x)
Set the minimum x value.
double height() const
Returns the height of the rectangle.
QgsVectorLayerEditUtils(QgsVectorLayer *layer)