18 #ifndef QGSCURVEPOLYGONV2_H
19 #define QGSCURVEPOLYGONV2_H
40 virtual int dimension()
const override {
return 2; }
42 void clear()
override;
46 virtual bool fromWkb(
const unsigned char* wkb )
override;
50 unsigned char*
asWkb(
int& binarySize )
const override;
57 virtual double area()
const override;
58 virtual double perimeter()
const override;
63 int numInteriorRings()
const;
75 bool removeInteriorRing(
int nr );
101 virtual int vertexCount(
int = 0,
int ring = 0 )
const override;
102 virtual int ringCount(
int = 0 )
const override {
return ( mExteriorRing != 0 ) + mInteriorRings.size(); }
106 virtual bool addZValue(
double zValue = 0 )
override;
107 virtual bool addMValue(
double mValue = 0 )
override;
115 #endif // QGSCURVEPOLYGONV2_H
A rectangle specified with double values.
virtual double vertexAngle(const QgsVertexId &vertex) const =0
Returns approximate rotation angle for a vertex.
virtual QgsPolygonV2 * surfaceToPolygon() const =0
virtual int dimension() const override
Returns the inherent dimension of the geometry.
virtual QgsAbstractGeometryV2 & operator=(const QgsAbstractGeometryV2 &geom)
virtual bool moveVertex(const QgsVertexId &position, const QgsPointV2 &newPos)=0
Moves a vertex within the geometry.
virtual QString asJSON(int precision=17) const =0
Returns a GeoJSON representation of the geometry.
Abstract base class for all geometries.
TransformDirection
Enum used to indicate the direction (forward or inverse) of the transform.
virtual int wkbSize() const =0
Returns the size of the WKB representation of the geometry.
virtual bool insertVertex(const QgsVertexId &position, const QgsPointV2 &vertex)=0
Inserts a vertex into the geometry.
virtual bool addMValue(double mValue=0)=0
Adds a measure to the geometry, initialized to a preset value.
virtual int partCount() const override
virtual void clear()=0
Clears the geometry, ie reset it to a null geometry.
virtual QString geometryType() const override
Returns a unique string representing the geometry type.
Utility class for identifying a unique vertex within a geometry.
virtual QgsRectangle calculateBoundingBox() const
Calculates the minimal bounding box for the geometry.
virtual bool fromWkb(const unsigned char *wkb)=0
Sets the geometry from a WKB string.
virtual QgsPointV2 pointOnSurface() const =0
virtual bool hasCurvedSegments() const
Returns true if the geometry contains curved segments.
virtual unsigned char * asWkb(int &binarySize) const =0
Returns a WKB representation of the geometry.
virtual void transform(const QgsCoordinateTransform &ct, QgsCoordinateTransform::TransformDirection d=QgsCoordinateTransform::ForwardTransform)=0
Transforms the geometry using a coordinate transform.
virtual bool addZValue(double zValue=0)=0
Adds a z-dimension to the geometry, initialized to a preset value.
virtual QDomElement asGML3(QDomDocument &doc, int precision=17, const QString &ns="gml") const =0
Returns a GML3 representation of the geometry.
virtual bool nextVertex(QgsVertexId &id, QgsPointV2 &vertex) const =0
Returns next vertex id and coordinates.
virtual bool fromWkt(const QString &wkt)=0
Sets the geometry from a WKT string.
virtual int ringCount(int=0) const override
virtual QgsPointV2 vertexAt(const QgsVertexId &id) const =0
Returns the point corresponding to a specified vertex id.
virtual QgsAbstractGeometryV2 * segmentize() const
Returns a version of the geometry without curves.
virtual bool deleteVertex(const QgsVertexId &position)=0
Deletes a vertex within the geometry.
QList< QgsCurveV2 * > mInteriorRings
virtual int vertexCount(int part=0, int ring=0) const =0
virtual int ringCount(int part=0) const =0
virtual double area() const
Returns the area of the geometry.
virtual void coordinateSequence(QList< QList< QList< QgsPointV2 > > > &coord) const =0
Retrieves the sequence of geometries, rings and nodes.
virtual QString asWkt(int precision=17) const =0
Returns a WKT representation of the geometry.
virtual void draw(QPainter &p) const =0
Draws the geometry using the specified QPainter.
double ANALYSIS_EXPORT leftOf(Point3D *thepoint, Point3D *p1, Point3D *p2)
Returns whether 'thepoint' is left or right of the line from 'p1' to 'p2'.
Curve polygon geometry type.
virtual QDomElement asGML2(QDomDocument &doc, int precision=17, const QString &ns="gml") const =0
Returns a GML2 representation of the geometry.
virtual double perimeter() const
Returns the perimeter of the geometry.
virtual QgsAbstractGeometryV2 * clone() const =0
Clones the geometry by performing a deep copy.
Abstract base class for curved geometry type.
virtual double closestSegment(const QgsPointV2 &pt, QgsPointV2 &segmentPt, QgsVertexId &vertexAfter, bool *leftOf, double epsilon) const =0
Searches for the closest segment of the geometry to a given point.
QgsCurveV2 * mExteriorRing