A QgsGeometry with associated coordinate reference system. More...
#include <qgsreferencedgeometry.h>
Inheritance diagram for QgsReferencedGeometry:
Public Member Functions | |
| QgsReferencedGeometry ()=default | |
| 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 () | |
| QgsGeometry (const QgsGeometry &) | |
| Copy constructor will prompt a shallow copy of the geometry. | |
| 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. | |
| Q_DECL_DEPRECATED Qgis::GeometryOperationResult | addPart (const QgsPointSequence &points, Qgis::GeometryType geomType=Qgis::GeometryType::Unknown) |
| Adds a new part to a the geometry. | |
| Q_DECL_DEPRECATED Qgis::GeometryOperationResult | addPart (const QVector< QgsPointXY > &points, Qgis::GeometryType geomType=Qgis::GeometryType::Unknown) |
| Adds a new part to a the geometry. | |
| Q_DECL_DEPRECATED Qgis::GeometryOperationResult | addPart (QgsAbstractGeometry *part, Qgis::GeometryType geomType=Qgis::GeometryType::Unknown) |
| Adds a new part to this geometry. | |
| Qgis::GeometryOperationResult | addPartV2 (const QgsPointSequence &points, Qgis::WkbType wkbType=Qgis::WkbType::Unknown) |
| Adds a new part to a the geometry. | |
| Qgis::GeometryOperationResult | addPartV2 (const QVector< QgsPointXY > &points, Qgis::WkbType wkbType=Qgis::WkbType::Unknown) |
| Adds a new part to a the geometry. | |
| Qgis::GeometryOperationResult | addPartV2 (QgsAbstractGeometry *part, Qgis::WkbType wkbType=Qgis::WkbType::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. | |
| bool | addTopologicalPoint (const QgsPoint &point, double snappingTolerance=1e-8, double segmentSearchEpsilon=1e-12) |
| Adds a vertex to the segment which intersect point but don't already have a vertex there. | |
| 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. | |
| Q_INVOKABLE 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 ¶meters=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 | contains (double x, double y) const |
Returns true if the geometry contains the point at (x, y). | |
| 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 ¶meters=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 ¶meters=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 ¢er, 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 shallow copy of the geometry. | |
| 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 ¢er) |
| 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 ¶meters=QgsGeometryParameters()) const |
| Subdivides the geometry. | |
| QgsGeometry | symDifference (const QgsGeometry &geometry, const QgsGeometryParameters ¶meters=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, Qgis::GeosCreationFlags flags=Qgis::GeosCreationFlag::SkipEmptyInteriorRings) |
| 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 ¢er, double azimuth, double angularWidth, double outerRadius, double innerRadius=0) |
| Creates a wedge shaped buffer from a center point. | |
| static QgsGeometry | createWedgeBufferFromAngles (const QgsPoint ¢er, double startAngle, double endAngle, 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 Returns a 2D polygon geometry if the box is purely 2d, otherwise returns a polyhedral surface geometry. | |
| 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 Q_INVOKABLE 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 ¶meters=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 146 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]
|
default |
Member Function Documentation
◆ fromReferencedPointXY()
|
static |
Construct a new QgsReferencedGeometry from referenced point.
Definition at line 69 of file qgsreferencedgeometry.cpp.
◆ fromReferencedRect()
|
static |
Construct a new QgsReferencedGeometry from referenced rectangle.
Definition at line 74 of file qgsreferencedgeometry.cpp.
◆ operator QVariant()
|
inline |
Allows direct construction of QVariants from geometry.
Definition at line 159 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.
The documentation for this class was generated from the following files:
- /build/qgis-3.41.0+git20241122+3440c17df1d+99sid/src/core/geometry/qgsreferencedgeometry.h
- /build/qgis-3.41.0+git20241122+3440c17df1d+99sid/src/core/geometry/qgsreferencedgeometry.cpp
