18 #ifndef QGSCURVEPOLYGONV2_H 19 #define QGSCURVEPOLYGONV2_H 21 #include "qgis_core.h" 49 void clear()
override;
52 bool fromWkt(
const QString &wkt )
override;
54 QByteArray
asWkb()
const override;
55 QString
asWkt(
int precision = 17 )
const override;
56 QDomElement
asGml2( QDomDocument &doc,
int precision = 17,
const QString &ns =
"gml" )
const override;
57 QDomElement
asGml3( QDomDocument &doc,
int precision = 17,
const QString &ns =
"gml" )
const override;
58 QString
asJson(
int precision = 17 )
const override;
61 double area()
const override;
69 int numInteriorRings()
const;
70 const QgsCurve *exteriorRing()
const;
71 const QgsCurve *interiorRing(
int i )
const;
91 void setInteriorRings(
const QVector<QgsCurve *> &rings SIP_TRANSFER );
93 virtual void addInteriorRing(
QgsCurve *ring SIP_TRANSFER );
101 bool removeInteriorRing(
int ringIndex );
110 void removeInteriorRings(
double minimumAllowedArea = -1 );
112 void draw( QPainter &p )
const override;
114 bool transformZ =
false )
override;
115 void transform(
const QTransform &t,
double zTranslate = 0.0,
double zScale = 1.0,
double mTranslate = 0.0,
double mScale = 1.0 )
override;
144 int vertexCount(
int part = 0,
int ring = 0 )
const override;
145 int ringCount(
int part = 0 )
const override;
150 bool addZValue(
double zValue = 0 )
override;
151 bool addMValue(
double mValue = 0 )
override;
196 #endif // QGSCURVEPOLYGONV2_H
virtual QString asWkt(int precision=17) const =0
Returns a WKT representation of the geometry.
A rectangle specified with double values.
virtual QgsAbstractGeometry * snappedToGrid(double hSpacing, double vSpacing, double dSpacing=0, double mSpacing=0) const =0
Makes a new geometry with all the points or vertices snapped to the closest point of the grid...
virtual int vertexNumberFromVertexId(QgsVertexId id) const =0
Returns the vertex number corresponding to a vertex id.
virtual int childCount() const
Returns number of child geometries (for geometries with child geometries) or child points (for geomet...
virtual bool isEmpty() const
Returns true if the geometry is empty.
virtual bool removeDuplicateNodes(double epsilon=4 *DBL_EPSILON, bool useZValues=false)=0
Removes duplicate nodes from the geometry, wherever removing the nodes does not result in a degenerat...
virtual bool deleteVertex(QgsVertexId position)=0
Deletes a vertex within the geometry.
virtual QgsAbstractGeometry * toCurveType() const =0
Returns the geometry converted to the more generic curve type.
virtual QByteArray asWkb() const =0
Returns a WKB representation of the geometry.
QgsAbstractGeometry & operator=(const QgsAbstractGeometry &geom)
virtual bool insertVertex(QgsVertexId position, const QgsPoint &vertex)=0
Inserts a vertex into the geometry.
QVector< QgsRingSequence > QgsCoordinateSequence
virtual bool operator==(const QgsAbstractGeometry &other) const =0
virtual double vertexAngle(QgsVertexId vertex) const =0
Returns approximate angle at a vertex.
Curve polygon geometry type.
virtual bool addMValue(double mValue=0)=0
Adds a measure to the geometry, initialized to a preset value.
virtual QgsAbstractGeometry * createEmptyWithSameType() const =0
Creates a new geometry with the same class and same WKB type as the original and transfers ownership...
virtual QString asJson(int precision=17) const =0
Returns a GeoJSON representation of the geometry.
virtual QgsAbstractGeometry * childGeometry(int index) const
Returns pointer to child geometry (for geometries with child geometries - i.e.
virtual double closestSegment(const QgsPoint &pt, QgsPoint &segmentPt, QgsVertexId &vertexAfter, int *leftOf=nullptr, double epsilon=4 *DBL_EPSILON) const =0
Searches for the closest segment of the geometry to a given point.
virtual QgsAbstractGeometry * boundary() const =0
Returns the closure of the combinatorial boundary of the geometry (ie the topological boundary of the...
SegmentationToleranceType
Segmentation tolerance as maximum angle or maximum difference between approximation and circle...
virtual bool nextVertex(QgsVertexId &id, QgsPoint &vertex) const =0
Returns next vertex id and coordinates.
virtual void transform(const QgsCoordinateTransform &ct, QgsCoordinateTransform::TransformDirection d=QgsCoordinateTransform::ForwardTransform, bool transformZ=false)=0
Transforms the geometry using a coordinate transform.
virtual QgsAbstractGeometry * clone() const =0
Clones the geometry by performing a deep copy.
QVector< QgsCurve * > mInteriorRings
virtual QgsPolygon * surfaceToPolygon() const =0
Get a polygon representation of this surface.
virtual bool operator!=(const QgsAbstractGeometry &other) const =0
Type
The WKB type describes the number of dimensions a geometry has.
virtual double segmentLength(QgsVertexId startVertex) const =0
Returns the length of the segment of the geometry which begins at startVertex.
Utility class for identifying a unique vertex within a geometry.
virtual double area() const
Returns the area of the geometry.
virtual int ringCount(int part=0) const =0
Returns the number of rings of which this geometry is built.
Abstract base class for curved geometry type.
Abstract base class for all geometries.
virtual int dimension() const =0
Returns the inherent dimension of the geometry.
QgsWkbTypes::Type wkbType() const
Returns the WKB type of the geometry.
Point geometry type, with support for z-dimension and m-values.
virtual QgsCoordinateSequence coordinateSequence() const =0
Retrieves the sequence of geometries, rings and nodes.
virtual void adjacentVertices(QgsVertexId vertex, QgsVertexId &previousVertex, QgsVertexId &nextVertex) const =0
Returns the vertices adjacent to a specified vertex within a geometry.
virtual void clear()=0
Clears the geometry, ie reset it to a null geometry.
virtual QDomElement asGml2(QDomDocument &doc, int precision=17, const QString &ns="gml") const =0
Returns a GML2 representation of the geometry.
virtual bool moveVertex(QgsVertexId position, const QgsPoint &newPos)=0
Moves a vertex within the geometry.
virtual void draw(QPainter &p) const =0
Draws the geometry using the specified QPainter.
virtual bool addZValue(double zValue=0)=0
Adds a z-dimension to the geometry, initialized to a preset value.
virtual double perimeter() const
Returns the perimeter of the geometry.
virtual int vertexCount(int part=0, int ring=0) const =0
Returns the number of vertices of which this geometry is built.
virtual QgsRectangle calculateBoundingBox() const
Default calculator for the minimal bounding box for the geometry.
virtual QDomElement asGml3(QDomDocument &doc, int precision=17, const QString &ns="gml") const =0
Returns a GML3 representation of the geometry.
const QgsCurvePolygon * cast(const QgsAbstractGeometry *geom) const
Cast the geom to a QgsCurvePolygon.
virtual bool dropMValue()=0
Drops any measure values which exist in the geometry.
virtual bool fromWkt(const QString &wkt)=0
Sets the geometry from a WKT string.
virtual QgsPoint vertexAt(QgsVertexId id) const =0
Returns the point corresponding to a specified vertex id.
virtual int nCoordinates() const
Returns the number of nodes contained in the geometry.
std::unique_ptr< QgsCurve > mExteriorRing
static Type flatType(Type type)
Returns the flat type for a WKB type.
virtual bool hasCurvedSegments() const
Returns true if the geometry contains curved segments.
virtual QgsAbstractGeometry * segmentize(double tolerance=M_PI/180., SegmentationToleranceType toleranceType=MaximumAngle) const
Returns a version of the geometry without curves.
double ANALYSIS_EXPORT leftOf(const QgsPoint &thepoint, const QgsPoint *p1, const QgsPoint *p2)
Returns whether 'thepoint' is left or right of the line from 'p1' to 'p2'. Negativ values mean left a...
virtual bool dropZValue()=0
Drops any z-dimensions which exist in the geometry.
virtual int partCount() const =0
Returns count of parts contained in the geometry.
virtual QString geometryType() const =0
Returns a unique string representing the geometry type.
virtual bool fromWkb(QgsConstWkbPtr &wkb)=0
Sets the geometry from a WKB string.