QgsReferencedGeometry Class Reference

A QgsGeometry with associated coordinate reference system. More...

#include <qgsreferencedgeometry.h>

Inheritance diagram for QgsReferencedGeometry:

Public Member Functions
	QgsReferencedGeometry ()=default
	Constructor for QgsReferencedGeometry.
	QgsReferencedGeometry (const QgsGeometry &geometry, const QgsCoordinateReferenceSystem &crs)
	Constructor for QgsReferencedGeometry, with the specified initial geometry and crs.
	operator QVariant () const
	Allows direct construction of QVariants from geometry.
bool	operator!= (const QgsReferencedGeometry &other) const
bool	operator== (const QgsReferencedGeometry &other) const
Public Member Functions inherited from QgsGeometry
	QgsGeometry ()
	Constructor.
	QgsGeometry (const QgsGeometry &)
	Copy constructor will prompt a deep copy of the object.
	QgsGeometry (QgsAbstractGeometry *geom)
	Creates a geometry from an abstract geometry object.
	QgsGeometry (std::unique_ptr< QgsAbstractGeometry > geom)
	Creates a geometry from an abstract geometry object.
virtual	~QgsGeometry ()
Qgis::GeometryOperationResult	addPart (const QgsGeometry &newPart)
	Adds a new island polygon to a multipolygon feature.
Qgis::GeometryOperationResult	addPart (const QgsPointSequence &points, Qgis::GeometryType geomType=Qgis::GeometryType::Unknown)
	Adds a new part to a the geometry.
Qgis::GeometryOperationResult	addPart (const QVector< QgsPointXY > &points, Qgis::GeometryType geomType=Qgis::GeometryType::Unknown)
	Adds a new part to a the geometry.
Qgis::GeometryOperationResult	addPart (QgsAbstractGeometry *part, Qgis::GeometryType geomType=Qgis::GeometryType::Unknown)
	Adds a new part to this geometry.
Qgis::GeometryOperationResult	addRing (const QVector< QgsPointXY > &ring)
	Adds a new ring to this geometry.
Qgis::GeometryOperationResult	addRing (QgsCurve *ring)
	Adds a new ring to this geometry.
void	adjacentVertices (int atVertex, int &beforeVertex, int &afterVertex) const
	Returns the indexes of the vertices before and after the given vertex index.
double	angleAtVertex (int vertex) const
	Returns the bisector angle for this geometry at the specified vertex.
QgsGeometry	applyDashPattern (const QVector< double > &pattern, Qgis::DashPatternLineEndingRule startRule=Qgis::DashPatternLineEndingRule::NoRule, Qgis::DashPatternLineEndingRule endRule=Qgis::DashPatternLineEndingRule::NoRule, Qgis::DashPatternSizeAdjustment adjustment=Qgis::DashPatternSizeAdjustment::ScaleBothDashAndGap, double patternOffset=0) const
	Applies a dash pattern to a geometry, returning a MultiLineString geometry which is the input geometry stroked along each line/ring with the specified pattern.
double	area () const
	Returns the planar, 2-dimensional area of the geometry.
QVector< QgsGeometry >	asGeometryCollection () const
	Returns contents of the geometry as a list of geometries.
QString	asJson (int precision=17) const
	Exports the geometry to a GeoJSON string.
virtual json	asJsonObject (int precision=17) const
	Exports the geometry to a json object.
QgsMultiPointXY	asMultiPoint () const
	Returns the contents of the geometry as a multi-point.
QgsMultiPolygonXY	asMultiPolygon () const
	Returns the contents of the geometry as a multi-polygon.
QgsMultiPolylineXY	asMultiPolyline () const
	Returns the contents of the geometry as a multi-linestring.
QgsPointXY	asPoint () const
	Returns the contents of the geometry as a 2-dimensional point.
QgsPolygonXY	asPolygon () const
	Returns the contents of the geometry as a polygon.
QgsPolylineXY	asPolyline () const
	Returns the contents of the geometry as a polyline.
QPointF	asQPointF () const
	Returns contents of the geometry as a QPointF if wkbType is WKBPoint, otherwise returns a null QPointF.
QPolygonF	asQPolygonF () const
	Returns contents of the geometry as a QPolygonF.
QByteArray	asWkb (QgsAbstractGeometry::WkbFlags flags=QgsAbstractGeometry::WkbFlags()) const
	Export the geometry to WKB.
QString	asWkt (int precision=17) const
	Exports the geometry to WKT.
Q_DECL_DEPRECATED int	avoidIntersections (const QList< QgsVectorLayer * > &avoidIntersectionsLayers, const QHash< QgsVectorLayer *, QSet< QgsFeatureId > > &ignoreFeatures=(QHash< QgsVectorLayer *, QSet< QgsFeatureId > >()))
	Modifies geometry to avoid intersections with the layers specified in project properties.
Qgis::GeometryOperationResult	avoidIntersectionsV2 (const QList< QgsVectorLayer * > &avoidIntersectionsLayers, const QHash< QgsVectorLayer *, QSet< QgsFeatureId > > &ignoreFeatures=(QHash< QgsVectorLayer *, QSet< QgsFeatureId > >()))
	Modifies geometry to avoid intersections with the layers specified in project properties.
QgsRectangle	boundingBox () const
	Returns the bounding box of the geometry.
QgsBox3D	boundingBox3D () const
	Returns the 3D bounding box of the geometry.
bool	boundingBoxIntersects (const QgsGeometry &geometry) const
	Returns true if the bounding box of this geometry intersects with the bounding box of another geometry.
bool	boundingBoxIntersects (const QgsRectangle &rectangle) const
	Returns true if the bounding box of this geometry intersects with a rectangle.
QgsGeometry	buffer (double distance, int segments) const
	Returns a buffer region around this geometry having the given width and with a specified number of segments used to approximate curves.
QgsGeometry	buffer (double distance, int segments, Qgis::EndCapStyle endCapStyle, Qgis::JoinStyle joinStyle, double miterLimit) const
	Returns a buffer region around the geometry, with additional style options.
QgsGeometry	centroid () const
	Returns the center of mass of a geometry.
QgsGeometry	clipped (const QgsRectangle &rectangle)
	Clips the geometry using the specified rectangle.
double	closestSegmentWithContext (const QgsPointXY &point, QgsPointXY &minDistPoint, int &nextVertexIndex, int *leftOrRightOfSegment=nullptr, double epsilon=DEFAULT_SEGMENT_EPSILON) const
	Searches for the closest segment of geometry to the given point.
QgsPointXY	closestVertex (const QgsPointXY &point, int &closestVertexIndex, int &previousVertexIndex, int &nextVertexIndex, double &sqrDist) const
	Returns the vertex closest to the given point, the corresponding vertex index, squared distance snap point / target point and the indices of the vertices before and after the closest vertex.
double	closestVertexWithContext (const QgsPointXY &point, int &atVertex) const
	Searches for the closest vertex in this geometry to the given point.
QVector< QgsGeometry >	coerceToType (Qgis::WkbType type, double defaultZ=0, double defaultM=0) const
	Attempts to coerce this geometry into the specified destination type.
QgsGeometry	combine (const QgsGeometry &geometry, const QgsGeometryParameters &parameters=QgsGeometryParameters()) const
	Returns a geometry representing all the points in this geometry and other (a union geometry operation).
QgsGeometry	concaveHull (double targetPercent, bool allowHoles=false) const
	Returns a possibly concave polygon that contains all the points in the geometry.
QgsAbstractGeometry::const_part_iterator	const_parts_begin () const
	Returns STL-style const iterator pointing to the first part of the geometry.
QgsAbstractGeometry::const_part_iterator	const_parts_end () const
	Returns STL-style iterator pointing to the imaginary part after the last part of the geometry.
const QgsAbstractGeometry *	constGet () const
	Returns a non-modifiable (const) reference to the underlying abstract geometry primitive.
QgsGeometryConstPartIterator	constParts () const
	Returns Java-style iterator for traversal of parts of the geometry.
QgsGeometry	constrainedDelaunayTriangulation () const
	Returns a constrained Delaunay triangulation for the vertices of the geometry.
bool	contains (const QgsGeometry &geometry) const
	Returns true if the geometry completely contains another geometry.
bool	contains (const QgsPointXY *p) const
	Returns true if the geometry contains the point p.
bool	convertGeometryCollectionToSubclass (Qgis::GeometryType geomType)
	Converts geometry collection to a the desired geometry type subclass (multi-point, multi-linestring or multi-polygon).
bool	convertToCurvedMultiType ()
	Converts a geometry into a multitype geometry of curve kind (when there is a corresponding curve type).
QgsGeometry	convertToCurves (double distanceTolerance=1e-8, double angleTolerance=1e-8) const
	Attempts to convert a non-curved geometry into a curved geometry type (e.g.
bool	convertToMultiType ()
	Converts single type geometry into multitype geometry e.g.
bool	convertToSingleType ()
	Converts multi type geometry into single type geometry e.g.
void	convertToStraightSegment (double tolerance=M_PI/180., QgsAbstractGeometry::SegmentationToleranceType toleranceType=QgsAbstractGeometry::MaximumAngle)
	Converts the geometry to straight line segments, if it is a curved geometry type.
QgsGeometry	convertToType (Qgis::GeometryType destType, bool destMultipart=false) const
	Try to convert the geometry to the requested type.
QgsGeometry	convexHull () const
	Returns the smallest convex polygon that contains all the points in the geometry.
bool	crosses (const QgsGeometry &geometry) const
	Returns true if the geometry crosses another geometry.
QgsGeometry	delaunayTriangulation (double tolerance=0.0, bool edgesOnly=false) const
	Returns the Delaunay triangulation for the vertices of the geometry.
bool	deletePart (int partNum)
	Deletes part identified by the part number.
bool	deleteRing (int ringNum, int partNum=0)
	Deletes a ring in polygon or multipolygon.
bool	deleteVertex (int atVertex)
	Deletes the vertex at the given position number and item (first number is index 0)
QgsGeometry	densifyByCount (int extraNodesPerSegment) const
	Returns a copy of the geometry which has been densified by adding the specified number of extra nodes within each segment of the geometry.
QgsGeometry	densifyByDistance (double distance) const
	Densifies the geometry by adding regularly placed extra nodes inside each segment so that the maximum distance between any two nodes does not exceed the specified distance.
QgsGeometry	difference (const QgsGeometry &geometry, const QgsGeometryParameters &parameters=QgsGeometryParameters()) const
	Returns a geometry representing the points making up this geometry that do not make up other.
bool	disjoint (const QgsGeometry &geometry) const
	Returns true if the geometry is disjoint of another geometry.
double	distance (const QgsGeometry &geom) const
	Returns the minimum distance between this geometry and another geometry.
double	distanceToVertex (int vertex) const
	Returns the distance along this geometry from its first vertex to the specified vertex.
void	draw (QPainter &p) const
	Draws the geometry onto a QPainter.
bool	equals (const QgsGeometry &geometry) const
	Test if this geometry is exactly equal to another geometry.
QgsGeometry	extendLine (double startDistance, double endDistance) const
	Extends a (multi)line geometry by extrapolating out the start or end of the line by a specified distance.
QgsGeometry	extrude (double x, double y)
	Returns an extruded version of this geometry.
void	filterVertices (const std::function< bool(const QgsPoint &) > &filter)
	Filters the vertices from the geometry in place, removing any which do not return true for the filter function check.
QgsGeometry	forcePolygonClockwise () const
	Forces geometries to respect the exterior ring is clockwise, interior rings are counter-clockwise convention.
QgsGeometry	forcePolygonCounterClockwise () const
	Forces geometries to respect the exterior ring is counter-clockwise, interior rings are clockwise convention.
QgsGeometry	forceRHR () const
	Forces geometries to respect the Right-Hand-Rule, in which the area that is bounded by a polygon is to the right of the boundary.
double	frechetDistance (const QgsGeometry &geom) const
	Returns the Fréchet distance between this geometry and geom, restricted to discrete points for both geometries.
double	frechetDistanceDensify (const QgsGeometry &geom, double densifyFraction) const
	Returns the Fréchet distance between this geometry and geom, restricted to discrete points for both geometries.
void	fromWkb (const QByteArray &wkb)
	Set the geometry, feeding in the buffer containing OGC Well-Known Binary.
void	fromWkb (unsigned char *wkb, int length)
	Set the geometry, feeding in the buffer containing OGC Well-Known Binary and the buffer's length.
QgsAbstractGeometry *	get ()
	Returns a modifiable (non-const) reference to the underlying abstract geometry primitive.
double	hausdorffDistance (const QgsGeometry &geom) const
	Returns the Hausdorff distance between this geometry and geom.
double	hausdorffDistanceDensify (const QgsGeometry &geom, double densifyFraction) const
	Returns the Hausdorff distance between this geometry and geom.
bool	insertVertex (const QgsPoint &point, int beforeVertex)
	Insert a new vertex before the given vertex index, ring and item (first number is index 0) If the requested vertex number (beforeVertex.back()) is greater than the last actual vertex on the requested ring and item, it is assumed that the vertex is to be appended instead of inserted.
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 requested vertex number (beforeVertex.back()) is greater than the last actual vertex on the requested ring and item, it is assumed that the vertex is to be appended instead of inserted.
QgsGeometry	interpolate (double distance) const
	Returns an interpolated point on the geometry at the specified distance.
double	interpolateAngle (double distance) const
	Returns the angle parallel to the linestring or polygon boundary at the specified distance along the geometry.
QgsGeometry	intersection (const QgsGeometry &geometry, const QgsGeometryParameters &parameters=QgsGeometryParameters()) const
	Returns a geometry representing the points shared by this geometry and other.
bool	intersects (const QgsGeometry &geometry) const
	Returns true if this geometry exactly intersects with another geometry.
bool	intersects (const QgsRectangle &rectangle) const
	Returns true if this geometry exactly intersects with a rectangle.
bool	isAxisParallelRectangle (double maximumDeviation, bool simpleRectanglesOnly=false) const
	Returns true if the geometry is a polygon that is almost an axis-parallel rectangle.
bool	isEmpty () const
	Returns true if the geometry is empty (eg a linestring with no vertices, or a collection with no geometries).
bool	isGeosEqual (const QgsGeometry &) const
	Compares the geometry with another geometry using GEOS.
bool	isGeosValid (Qgis::GeometryValidityFlags flags=Qgis::GeometryValidityFlags()) const
	Checks validity of the geometry using GEOS.
bool	isMultipart () const
	Returns true if WKB of the geometry is of WKBMulti* type.
bool	isNull () const
	Returns true if the geometry is null (ie, contains no underlying geometry accessible via get() or constGet() ).
bool	isPolygonClockwise () const
	Returns True if the Polygon is clockwise.
bool	isPolygonCounterClockwise () const
	Returns True if the Polygon is counter-clockwise.
bool	isSimple () const
	Determines whether the geometry is simple (according to OGC definition), i.e.
QgsGeometry	largestEmptyCircle (double tolerance, const QgsGeometry &boundary=QgsGeometry()) const
	Constructs the Largest Empty Circle for a set of obstacle geometries, up to a specified tolerance.
QString	lastError () const
	Returns an error string referring to the last error encountered either when this geometry was created or when an operation was performed on the geometry.
double	length () const
	Returns the planar, 2-dimensional length of geometry.
double	lineLocatePoint (const QgsGeometry &point) const
	Returns a distance representing the location along this linestring of the closest point on this linestring geometry to the specified point.
QgsGeometry	makeDifference (const QgsGeometry &other) const
	Returns the geometry formed by modifying this geometry such that it does not intersect the other geometry.
int	makeDifferenceInPlace (const QgsGeometry &other)
	Changes this geometry such that it does not intersect the other geometry.
QgsGeometry	makeValid (Qgis::MakeValidMethod method=Qgis::MakeValidMethod::Linework, bool keepCollapsed=false) const
	Attempts to make an invalid geometry valid without losing vertices.
void	mapToPixel (const QgsMapToPixel &mtp)
	Transforms the geometry from map units to pixels in place.
QgsGeometry	mergeLines () const
	Merges any connected lines in a LineString/MultiLineString geometry and converts them to single line strings.
QgsGeometry	minimalEnclosingCircle (QgsPointXY &center, double &radius, unsigned int segments=36) const
	Returns the minimal enclosing circle for the geometry.
QgsGeometry	minimalEnclosingCircle (unsigned int segments=36) const
	Returns the minimal enclosing circle for the geometry.
double	minimumClearance () const
	Computes the minimum clearance of a geometry.
QgsGeometry	minimumClearanceLine () const
	Returns a LineString whose endpoints define the minimum clearance of a geometry.
QgsGeometry	minimumWidth () const
	Returns a linestring geometry which represents the minimum diameter of the geometry.
bool	moveVertex (const QgsPoint &p, int atVertex)
	Moves the vertex at the given position number and item (first number is index 0) to the given coordinates.
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 coordinates.
QgsGeometry	nearestPoint (const QgsGeometry &other) const
	Returns the nearest (closest) point on this geometry to another geometry.
QgsGeometry	node () const
	Returns a (Multi)LineString representing the fully noded version of a collection of linestrings.
void	normalize ()
	Reorganizes the geometry into a normalized form (or "canonical" form).
QgsGeometry	offsetCurve (double distance, int segments, Qgis::JoinStyle joinStyle, double miterLimit) const
	Returns an offset line at a given distance and side from an input line.
	operator QVariant () const
	Allows direct construction of QVariants from geometry.
QgsGeometry &	operator= (QgsGeometry const &rhs)
	Creates a deep copy of the object.
QgsGeometry	orientedMinimumBoundingBox () const
	Returns the oriented minimum bounding box for the geometry, which is the smallest (by area) rotated rectangle which fully encompasses the geometry.
QgsGeometry	orientedMinimumBoundingBox (double &area, double &angle, double &width, double &height) const
	Returns the oriented minimum bounding box for the geometry, which is the smallest (by area) rotated rectangle which fully encompasses the geometry.
QgsGeometry	orthogonalize (double tolerance=1.0E-8, int maxIterations=1000, double angleThreshold=15.0) const
	Attempts to orthogonalize a line or polygon geometry by shifting vertices to make the geometries angles either right angles or flat lines.
bool	overlaps (const QgsGeometry &geometry) const
	Returns true if the geometry overlaps another geometry.
QgsGeometryPartIterator	parts ()
	Returns Java-style iterator for traversal of parts of the geometry.
QgsAbstractGeometry::part_iterator	parts_begin ()
	Returns STL-style iterator pointing to the first part of the geometry.
QgsAbstractGeometry::part_iterator	parts_end ()
	Returns STL-style iterator pointing to the imaginary part after the last part of the geometry.
QgsGeometry	pointOnSurface () const
	Returns a point guaranteed to lie on the surface of a geometry.
QgsGeometry	poleOfInaccessibility (double precision, double *distanceToBoundary=nullptr) const
	Calculates the approximate pole of inaccessibility for a surface, which is the most distant internal point from the boundary of the surface.
Qgis::AngularDirection	polygonOrientation () const
	Returns the orientation of the polygon.
QVector< QgsPointXY >	randomPointsInPolygon (int count, const std::function< bool(const QgsPointXY &) > &acceptPoint, unsigned long seed=0, QgsFeedback *feedback=nullptr, int maxTriesPerPoint=0) const
	Returns a list of count random points generated inside a (multi)polygon geometry (if acceptPoint is specified, and restrictive, the number of points returned may be less than count).
QVector< QgsPointXY >	randomPointsInPolygon (int count, unsigned long seed=0, QgsFeedback *feedback=nullptr) const
	Returns a list of count random points generated inside a (multi)polygon geometry.
bool	removeDuplicateNodes (double epsilon=4 *std::numeric_limits< double >::epsilon(), bool useZValues=false)
	Removes duplicate nodes from the geometry, wherever removing the nodes does not result in a degenerate geometry.
QgsGeometry	removeInteriorRings (double minimumAllowedArea=-1) const
	Removes the interior rings from a (multi)polygon geometry.
bool	requiresConversionToStraightSegments () const
	Returns true if the geometry is a curved geometry type which requires conversion to display as straight line segments.
Qgis::GeometryOperationResult	reshapeGeometry (const QgsLineString &reshapeLineString)
	Replaces a part of this geometry with another line.
Qgis::GeometryOperationResult	rotate (double rotation, const QgsPointXY &center)
	Rotate this geometry around the Z axis.
QgsGeometry	roundWaves (double wavelength, double amplitude, bool strictWavelength=false) const
	Constructs rounded (sine-like) waves along the boundary of the geometry, with the specified wavelength and amplitude.
QgsGeometry	roundWavesRandomized (double minimumWavelength, double maximumWavelength, double minimumAmplitude, double maximumAmplitude, unsigned long seed=0) const
	Constructs randomized rounded (sine-like) waves along the boundary of the geometry, with the specified wavelength and amplitude ranges.
void	set (QgsAbstractGeometry *geometry)
	Sets the underlying geometry store.
QgsGeometry	sharedPaths (const QgsGeometry &other) const
	Find paths shared between the two given lineal geometries (this and other).
QgsGeometry	shortestLine (const QgsGeometry &other) const
	Returns the shortest line joining this geometry to another geometry.
QgsGeometry	simplify (double tolerance) const
	Returns a simplified version of this geometry using a specified tolerance value.
QgsGeometry	simplifyCoverageVW (double tolerance, bool preserveBoundary) const
	Operates on a coverage (represented as a list of polygonal geometry with exactly matching edge geometry) to apply a Visvalingam–Whyatt simplification to the edges, reducing complexity in proportion with the provided tolerance, while retaining a valid coverage (no edges will cross or touch after the simplification).
QgsGeometry	singleSidedBuffer (double distance, int segments, Qgis::BufferSide side, Qgis::JoinStyle joinStyle=Qgis::JoinStyle::Round, double miterLimit=2.0) const
	Returns a single sided buffer for a (multi)line geometry.
QgsGeometry	smooth (unsigned int iterations=1, double offset=0.25, double minimumDistance=-1.0, double maxAngle=180.0) const
	Smooths a geometry by rounding off corners using the Chaikin algorithm.
QgsGeometry	snappedToGrid (double hSpacing, double vSpacing, double dSpacing=0, double mSpacing=0) const
	Returns a new geometry with all points or vertices snapped to the closest point of the grid.
Qgis::GeometryOperationResult	splitGeometry (const QgsCurve *curve, QVector< QgsGeometry > &newGeometries, bool preserveCircular, bool topological, QgsPointSequence &topologyTestPoints, bool splitFeature=true)
	Splits this geometry according to a given curve.
Qgis::GeometryOperationResult	splitGeometry (const QgsPointSequence &splitLine, QVector< QgsGeometry > &newGeometries, bool topological, QgsPointSequence &topologyTestPoints, bool splitFeature=true, bool skipIntersectionTest=false)
	Splits this geometry according to a given line.
Q_DECL_DEPRECATED Qgis::GeometryOperationResult	splitGeometry (const QVector< QgsPointXY > &splitLine, QVector< QgsGeometry > &newGeometries, bool topological, QVector< QgsPointXY > &topologyTestPoints, bool splitFeature=true)
	Splits this geometry according to a given line.
double	sqrDistToVertexAt (QgsPointXY &point, int atVertex) const
	Returns the squared Cartesian distance between the given point to the given vertex index (vertex at the given position number, ring and item (first number is index 0))
QgsGeometry	squareWaves (double wavelength, double amplitude, bool strictWavelength=false) const
	Constructs square waves along the boundary of the geometry, with the specified wavelength and amplitude.
QgsGeometry	squareWavesRandomized (double minimumWavelength, double maximumWavelength, double minimumAmplitude, double maximumAmplitude, unsigned long seed=0) const
	Constructs randomized square waves along the boundary of the geometry, with the specified wavelength and amplitude ranges.
QgsGeometry	subdivide (int maxNodes=256, const QgsGeometryParameters &parameters=QgsGeometryParameters()) const
	Subdivides the geometry.
QgsGeometry	symDifference (const QgsGeometry &geometry, const QgsGeometryParameters &parameters=QgsGeometryParameters()) const
	Returns a geometry representing the points making up this geometry that do not make up other.
QgsGeometry	taperedBuffer (double startWidth, double endWidth, int segments) const
	Calculates a variable width buffer ("tapered buffer") for a (multi)curve geometry.
bool	toggleCircularAtVertex (int atVertex)
	Converts the vertex at the given position from/to circular.
bool	touches (const QgsGeometry &geometry) const
	Returns true if the geometry touches another geometry.
Qgis::GeometryOperationResult	transform (const QgsCoordinateTransform &ct, Qgis::TransformDirection direction=Qgis::TransformDirection::Forward, bool transformZ=false)
	Transforms this geometry as described by the coordinate transform ct.
Qgis::GeometryOperationResult	transform (const QTransform &t, double zTranslate=0.0, double zScale=1.0, double mTranslate=0.0, double mScale=1.0)
	Transforms the x and y components of the geometry using a QTransform object t.
void	transformVertices (const std::function< QgsPoint(const QgsPoint &) > &transform)
	Transforms the vertices from the geometry in place, applying the transform function to every vertex.
Qgis::GeometryOperationResult	translate (double dx, double dy, double dz=0.0, double dm=0.0)
	Translates this geometry by dx, dy, dz and dm.
QgsGeometry	triangularWaves (double wavelength, double amplitude, bool strictWavelength=false) const
	Constructs triangular waves along the boundary of the geometry, with the specified wavelength and amplitude.
QgsGeometry	triangularWavesRandomized (double minimumWavelength, double maximumWavelength, double minimumAmplitude, double maximumAmplitude, unsigned long seed=0) const
	Constructs randomized triangular waves along the boundary of the geometry, with the specified wavelength and amplitude ranges.
Qgis::GeometryType	type () const
	Returns type of the geometry as a Qgis::GeometryType.
QgsGeometry	unionCoverage () const
	Optimized union algorithm for polygonal inputs that are correctly noded and do not overlap.
Qgis::CoverageValidityResult	validateCoverage (double gapWidth, QgsGeometry *invalidEdges=nullptr) const
	Analyze a coverage (represented as a collection of polygonal geometry with exactly matching edge geometry) to find places where the assumption of exactly matching edges is not met.
void	validateGeometry (QVector< QgsGeometry::Error > &errors, Qgis::GeometryValidationEngine method=Qgis::GeometryValidationEngine::QgisInternal, Qgis::GeometryValidityFlags flags=Qgis::GeometryValidityFlags()) const
	Validates geometry and produces a list of geometry errors.
QgsGeometry	variableWidthBufferByM (int segments) const
	Calculates a variable width buffer for a (multi)linestring geometry, where the width at each node is taken from the linestring m values.
QgsPoint	vertexAt (int atVertex) const
	Returns coordinates of a vertex.
bool	vertexIdFromVertexNr (int number, QgsVertexId &id) const
	Calculates the vertex ID from a vertex number.
int	vertexNrFromVertexId (QgsVertexId id) const
	Returns the vertex number corresponding to a vertex id.
QgsVertexIterator	vertices () const
	Returns a read-only, Java-style iterator for traversal of vertices of all the geometry, including all geometry parts and rings.
QgsAbstractGeometry::vertex_iterator	vertices_begin () const
	Returns STL-style iterator pointing to the first vertex of the geometry.
QgsAbstractGeometry::vertex_iterator	vertices_end () const
	Returns STL-style iterator pointing to the imaginary vertex after the last vertex of the geometry.
QgsGeometry	voronoiDiagram (const QgsGeometry &extent=QgsGeometry(), double tolerance=0.0, bool edgesOnly=false) const
	Creates a Voronoi diagram for the nodes contained within the geometry.
bool	within (const QgsGeometry &geometry) const
	Returns true if the geometry is completely within another geometry.
int	wkbSize (QgsAbstractGeometry::WkbFlags flags=QgsAbstractGeometry::WkbFlags()) const
	Returns the length of the QByteArray returned by asWkb()
Qgis::WkbType	wkbType () const
	Returns type of the geometry as a WKB type (point / linestring / polygon etc.)
Public Member Functions inherited from QgsReferencedGeometryBase
	QgsReferencedGeometryBase (const QgsCoordinateReferenceSystem &crs=QgsCoordinateReferenceSystem())
	Constructor for QgsReferencedGeometryBase, with the specified crs.
QgsCoordinateReferenceSystem	crs () const
	Returns the associated coordinate reference system, or an invalid CRS if no reference system is set.
void	setCrs (const QgsCoordinateReferenceSystem &crs)
	Sets the associated crs.

Static Public Member Functions
static QgsReferencedGeometry	fromReferencedPointXY (const QgsReferencedPointXY &point)
	Construct a new QgsReferencedGeometry from referenced point.
static QgsReferencedGeometry	fromReferencedRect (const QgsReferencedRectangle &rectangle)
	Construct a new QgsReferencedGeometry from referenced rectangle.
Static Public Member Functions inherited from QgsGeometry
static QgsGeometry	collectGeometry (const QVector< QgsGeometry > &geometries)
	Creates a new multipart geometry from a list of QgsGeometry objects.
static bool	compare (const QgsMultiPolygonXY &p1, const QgsMultiPolygonXY &p2, double epsilon=4 *std::numeric_limits< double >::epsilon())
	Compares two multipolygons for equality within a specified tolerance.
static bool	compare (const QgsPolygonXY &p1, const QgsPolygonXY &p2, double epsilon=4 *std::numeric_limits< double >::epsilon())
	Compares two polygons for equality within a specified tolerance.
static bool	compare (const QgsPolylineXY &p1, const QgsPolylineXY &p2, double epsilon=4 *std::numeric_limits< double >::epsilon())
	Compares two polylines for equality within a specified tolerance.
static void	convertPointList (const QgsPointSequence &input, QVector< QgsPointXY > &output)
	Downgrades a point list from QgsPoint to QgsPointXY.
static void	convertPointList (const QVector< QgsPointXY > &input, QgsPointSequence &output)
	Upgrades a point list from QgsPointXY to QgsPoint.
static QgsGeometryEngine *	createGeometryEngine (const QgsAbstractGeometry *geometry, double precision=0.0)
	Creates and returns a new geometry engine representing the specified geometry using precision on a grid.
static Q_DECL_DEPRECATED QgsPolygonXY	createPolygonFromQPolygonF (const QPolygonF &polygon)
	Creates a QgsPolygonXYfrom a QPolygonF.
static Q_DECL_DEPRECATED QgsPolylineXY	createPolylineFromQPolygonF (const QPolygonF &polygon)
	Creates a QgsPolylineXY from a QPolygonF.
static QgsGeometry	createWedgeBuffer (const QgsPoint &center, double azimuth, double angularWidth, double outerRadius, double innerRadius=0)
	Creates a wedge shaped buffer from a center point.
static QgsGeometry	fromBox3D (const QgsBox3D &box)
	Creates a new geometry from a QgsBox3D object.
static QgsGeometry	fromMultiPointXY (const QgsMultiPointXY &multipoint)
	Creates a new geometry from a QgsMultiPointXY object.
static QgsGeometry	fromMultiPolygonXY (const QgsMultiPolygonXY &multipoly)
	Creates a new geometry from a QgsMultiPolygonXY.
static QgsGeometry	fromMultiPolylineXY (const QgsMultiPolylineXY &multiline)
	Creates a new geometry from a QgsMultiPolylineXY object.
static QgsGeometry	fromPoint (const QgsPoint &point)
	Creates a new geometry from a QgsPoint object.
static QgsGeometry	fromPointXY (const QgsPointXY &point)
	Creates a new geometry from a QgsPointXY object.
static QgsGeometry	fromPolygonXY (const QgsPolygonXY &polygon)
	Creates a new geometry from a QgsPolygonXY.
static QgsGeometry	fromPolyline (const QgsPolyline &polyline)
	Creates a new LineString geometry from a list of QgsPoint points.
static QgsGeometry	fromPolylineXY (const QgsPolylineXY &polyline)
	Creates a new LineString geometry from a list of QgsPointXY points.
static QgsGeometry	fromQPointF (QPointF point)
	Construct geometry from a QPointF.
static QgsGeometry	fromQPolygonF (const QPolygonF &polygon)
	Construct geometry from a QPolygonF.
static QgsGeometry	fromRect (const QgsRectangle &rect)
	Creates a new geometry from a QgsRectangle.
static QgsGeometry	fromWkt (const QString &wkt)
	Creates a new geometry from a WKT string.
static QgsGeometry	polygonize (const QVector< QgsGeometry > &geometries)
	Creates a GeometryCollection geometry containing possible polygons formed from the constituent linework of a set of geometries.
static QgsGeometry	unaryUnion (const QVector< QgsGeometry > &geometries, const QgsGeometryParameters &parameters=QgsGeometryParameters())
	Compute the unary union on a list of geometries.

Additional Inherited Members
Properties inherited from QgsGeometry
bool	isNull
Qgis::GeometryType	type

Detailed Description

A QgsGeometry with associated coordinate reference system.

Since

QGIS 3.16

Definition at line 152 of file qgsreferencedgeometry.h.

Constructor & Destructor Documentation

QgsReferencedGeometry() [1/2]

QgsReferencedGeometry::QgsReferencedGeometry	(	const QgsGeometry &	geometry,
		const QgsCoordinateReferenceSystem &	crs
	)

Constructor for QgsReferencedGeometry, with the specified initial geometry and crs.

Definition at line 54 of file qgsreferencedgeometry.cpp.

QgsReferencedGeometry() [2/2]

QgsReferencedGeometry::QgsReferencedGeometry ( )

default

Constructor for QgsReferencedGeometry.

Member Function Documentation

fromReferencedPointXY()

QgsReferencedGeometry QgsReferencedGeometry::fromReferencedPointXY ( const QgsReferencedPointXY &  point )

static

Construct a new QgsReferencedGeometry from referenced point.

Definition at line 69 of file qgsreferencedgeometry.cpp.

fromReferencedRect()

QgsReferencedGeometry QgsReferencedGeometry::fromReferencedRect ( const QgsReferencedRectangle &  rectangle )

static

Construct a new QgsReferencedGeometry from referenced rectangle.

Definition at line 74 of file qgsreferencedgeometry.cpp.

operator QVariant()

QgsReferencedGeometry::operator QVariant ( ) const

inline

Allows direct construction of QVariants from geometry.

Definition at line 168 of file qgsreferencedgeometry.h.

operator!=()

bool QgsReferencedGeometry::operator!=

(

const QgsReferencedGeometry &

other

)

const

Definition at line 64 of file qgsreferencedgeometry.cpp.

operator==()

bool QgsReferencedGeometry::operator==

(

const QgsReferencedGeometry &

other

)

const

Definition at line 59 of file qgsreferencedgeometry.cpp.

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

• /build/qgis-3.36.0+99sid/src/core/geometry/qgsreferencedgeometry.h
• /build/qgis-3.36.0+99sid/src/core/geometry/qgsreferencedgeometry.cpp