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QgsBox3D | boundingBox3D () const override |
| Returns the 3D bounding box for the geometry.
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bool | isValid (QString &error, Qgis::GeometryValidityFlags flags=Qgis::GeometryValidityFlags()) const override |
| Checks validity of the geometry, and returns true if the geometry is valid.
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| QgsAbstractGeometry ()=default |
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| QgsAbstractGeometry (const QgsAbstractGeometry &geom) |
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virtual | ~QgsAbstractGeometry ()=default |
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virtual bool | addMValue (double mValue=0)=0 |
| Adds a measure to the geometry, initialized to a preset value.
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virtual bool | addZValue (double zValue=0)=0 |
| Adds a z-dimension to the geometry, initialized to a preset value.
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virtual void | adjacentVertices (QgsVertexId vertex, QgsVertexId &previousVertex, QgsVertexId &nextVertex) const =0 |
| Returns the vertices adjacent to a specified vertex within a geometry.
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virtual double | area () const |
| Returns the planar, 2-dimensional area of the geometry.
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virtual QDomElement | asGml2 (QDomDocument &doc, int precision=17, const QString &ns="gml", AxisOrder axisOrder=QgsAbstractGeometry::AxisOrder::XY) const =0 |
| Returns a GML2 representation of the geometry.
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virtual QDomElement | asGml3 (QDomDocument &doc, int precision=17, const QString &ns="gml", AxisOrder axisOrder=QgsAbstractGeometry::AxisOrder::XY) const =0 |
| Returns a GML3 representation of the geometry.
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QString | asJson (int precision=17) |
| Returns a GeoJSON representation of the geometry as a QString.
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virtual json | asJsonObject (int precision=17) const |
| Returns a json object representation of the geometry.
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virtual QString | asKml (int precision=17) const =0 |
| Returns a KML representation of the geometry.
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virtual QPainterPath | asQPainterPath () const =0 |
| Returns the geometry represented as a QPainterPath.
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virtual QByteArray | asWkb (WkbFlags flags=QgsAbstractGeometry::WkbFlags()) const =0 |
| Returns a WKB representation of the geometry.
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virtual QString | asWkt (int precision=17) const =0 |
| Returns a WKT representation of the geometry.
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virtual QgsAbstractGeometry * | boundary () const =0 |
| Returns the closure of the combinatorial boundary of the geometry (ie the topological boundary of the geometry).
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virtual QgsRectangle | boundingBox () const |
| Returns the minimal bounding box for the geometry.
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virtual bool | boundingBoxIntersects (const QgsBox3D &box3d) const |
| Returns true if the bounding box of this geometry intersects with a box3d.
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virtual bool | boundingBoxIntersects (const QgsRectangle &rectangle) const |
| Returns true if the bounding box of this geometry intersects with a rectangle.
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virtual QgsPoint | centroid () const |
| Returns the centroid of the geometry.
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virtual void | clear ()=0 |
| Clears the geometry, ie reset it to a null geometry.
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virtual QgsAbstractGeometry * | clone () const =0 |
| Clones the geometry by performing a deep copy.
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virtual double | closestSegment (const QgsPoint &pt, QgsPoint &segmentPt, QgsVertexId &vertexAfter, int *leftOf=nullptr, double epsilon=4 *std::numeric_limits< double >::epsilon()) const =0 |
| Searches for the closest segment of the geometry to a given point.
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virtual int | compareTo (const QgsAbstractGeometry *other) const |
| Comparator for sorting of geometry.
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const_part_iterator | const_parts_begin () const |
| Returns STL-style iterator pointing to the const first part of the geometry.
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const_part_iterator | const_parts_end () const |
| Returns STL-style iterator pointing to the imaginary const part after the last part of the geometry.
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virtual bool | convertTo (Qgis::WkbType type) |
| Converts the geometry to a specified type.
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virtual QgsCoordinateSequence | coordinateSequence () const =0 |
| Retrieves the sequence of geometries, rings and nodes.
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virtual QgsAbstractGeometry * | createEmptyWithSameType () const =0 |
| Creates a new geometry with the same class and same WKB type as the original and transfers ownership.
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virtual bool | deleteVertex (QgsVertexId position)=0 |
| Deletes a vertex within the geometry.
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virtual int | dimension () const =0 |
| Returns the inherent dimension of the geometry.
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virtual void | draw (QPainter &p) const =0 |
| Draws the geometry using the specified QPainter.
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virtual bool | dropMValue ()=0 |
| Drops any measure values which exist in the geometry.
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virtual bool | dropZValue ()=0 |
| Drops any z-dimensions which exist in the geometry.
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virtual 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.
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virtual bool | fromWkb (QgsConstWkbPtr &wkb)=0 |
| Sets the geometry from a WKB string.
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virtual bool | fromWkt (const QString &wkt)=0 |
| Sets the geometry from a WKT string.
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virtual bool | fuzzyDistanceEqual (const QgsAbstractGeometry &other, double epsilon=1e-8) const =0 |
| Performs fuzzy distance comparison between this geometry and other using an epsilon.
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virtual bool | fuzzyEqual (const QgsAbstractGeometry &other, double epsilon=1e-8) const =0 |
| Performs fuzzy comparison between this geometry and other using an epsilon.
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virtual QString | geometryType () const =0 |
| Returns a unique string representing the geometry type.
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virtual bool | hasCurvedSegments () const |
| Returns true if the geometry contains curved segments.
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virtual bool | insertVertex (QgsVertexId position, const QgsPoint &vertex)=0 |
| Inserts a vertex into the geometry.
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bool | is3D () const |
| Returns true if the geometry is 3D and contains a z-value.
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virtual bool | isEmpty () const |
| Returns true if the geometry is empty.
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bool | isMeasure () const |
| Returns true if the geometry contains m values.
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virtual double | length () const |
| Returns the planar, 2-dimensional length of the geometry.
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virtual bool | moveVertex (QgsVertexId position, const QgsPoint &newPos)=0 |
| Moves a vertex within the geometry.
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virtual int | nCoordinates () const |
| Returns the number of nodes contained in the geometry.
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virtual bool | nextVertex (QgsVertexId &id, QgsPoint &vertex) const =0 |
| Returns next vertex id and coordinates.
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virtual void | normalize ()=0 |
| Reorganizes the geometry into a normalized form (or "canonical" form).
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virtual bool | operator!= (const QgsAbstractGeometry &other) const =0 |
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QgsAbstractGeometry & | operator= (const QgsAbstractGeometry &geom) |
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virtual bool | operator== (const QgsAbstractGeometry &other) const =0 |
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virtual int | partCount () const =0 |
| Returns count of parts contained in the geometry.
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QgsGeometryPartIterator | parts () |
| Returns Java-style iterator for traversal of parts of the geometry.
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QgsGeometryConstPartIterator | parts () const |
| Returns Java-style iterator for traversal of parts of the geometry.
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part_iterator | parts_begin () |
| Returns STL-style iterator pointing to the first part of the geometry.
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part_iterator | parts_end () |
| Returns STL-style iterator pointing to the imaginary part after the last part of the geometry.
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virtual double | perimeter () const |
| Returns the planar, 2-dimensional perimeter of the geometry.
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virtual bool | removeDuplicateNodes (double epsilon=4 *std::numeric_limits< double >::epsilon(), bool useZValues=false)=0 |
| Removes duplicate nodes from the geometry, wherever removing the nodes does not result in a degenerate geometry.
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virtual int | ringCount (int part=0) const =0 |
| Returns the number of rings of which this geometry is built.
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virtual QgsAbstractGeometry * | segmentize (double tolerance=M_PI/180., SegmentationToleranceType toleranceType=MaximumAngle) const |
| Returns a version of the geometry without curves.
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virtual double | segmentLength (QgsVertexId startVertex) const =0 |
| Returns the length of the segment of the geometry which begins at startVertex.
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virtual const QgsAbstractGeometry * | simplifiedTypeRef () const |
| Returns a reference to the simplest lossless representation of this geometry, e.g.
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virtual QgsAbstractGeometry * | simplifyByDistance (double tolerance) const =0 |
| Simplifies the geometry by applying the Douglas Peucker simplification by distance algorithm.
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virtual QgsAbstractGeometry * | snappedToGrid (double hSpacing, double vSpacing, double dSpacing=0, double mSpacing=0, bool removeRedundantPoints=false) const =0 |
| Makes a new geometry with all the points or vertices snapped to the closest point of the grid.
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virtual void | swapXy ()=0 |
| Swaps the x and y coordinates from the geometry.
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virtual QgsAbstractGeometry * | toCurveType () const =0 |
| Returns the geometry converted to the more generic curve type.
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virtual void | transform (const QgsCoordinateTransform &ct, Qgis::TransformDirection d=Qgis::TransformDirection::Forward, bool transformZ=false)=0 |
| Transforms the geometry using a coordinate transform.
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virtual void | transform (const QTransform &t, double zTranslate=0.0, double zScale=1.0, double mTranslate=0.0, double mScale=1.0)=0 |
| Transforms the x and y components of the geometry using a QTransform object t.
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virtual bool | transform (QgsAbstractGeometryTransformer *transformer, QgsFeedback *feedback=nullptr)=0 |
| Transforms the vertices from the geometry in place, using the specified geometry transformer object.
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virtual void | transformVertices (const std::function< QgsPoint(const QgsPoint &) > &transform) |
| Transforms the vertices from the geometry in place, applying the transform function to every vertex.
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virtual double | vertexAngle (QgsVertexId vertex) const =0 |
| Returns approximate angle at a vertex.
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virtual QgsPoint | vertexAt (QgsVertexId id) const =0 |
| Returns the point corresponding to a specified vertex id.
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virtual int | vertexCount (int part=0, int ring=0) const =0 |
| Returns the number of vertices of which this geometry is built.
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virtual int | vertexNumberFromVertexId (QgsVertexId id) const =0 |
| Returns the vertex number corresponding to a vertex id.
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QgsVertexIterator | vertices () const |
| Returns a read-only, Java-style iterator for traversal of vertices of all the geometry, including all geometry parts and rings.
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vertex_iterator | vertices_begin () const |
| Returns STL-style iterator pointing to the first vertex of the geometry.
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vertex_iterator | vertices_end () const |
| Returns STL-style iterator pointing to the imaginary vertex after the last vertex of the geometry.
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virtual int | wkbSize (QgsAbstractGeometry::WkbFlags flags=QgsAbstractGeometry::WkbFlags()) const =0 |
| Returns the length of the QByteArray returned by asWkb()
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Qgis::WkbType | wkbType () const |
| Returns the WKB type of the geometry.
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QString | wktTypeStr () const |
| Returns the WKT type string of the geometry.
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