QGIS API Documentation
3.14.0-Pi (9f7028fd23)
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18 #ifndef QGSCURVEPOLYGON_H
19 #define QGSCURVEPOLYGON_H
21 #include "qgis_core.h"
49 void clear()
override;
52 bool fromWkt(
const QString &wkt )
override;
54 QByteArray
asWkb( QgsAbstractGeometry::WkbFlags flags = QgsAbstractGeometry::WkbFlags() )
const override;
62 double area()
const override;
67 bool removeDuplicateNodes(
double epsilon = 4 * std::numeric_limits<double>::epsilon(),
bool useZValues =
false )
override;
78 return mInteriorRings.size();
88 return mExteriorRing.get();
101 if ( i < 0 || i >= mInteriorRings.size() )
105 return mInteriorRings.at( i );
119 if ( a0 < 0 || a0 >= sipCpp->numInteriorRings() )
121 PyErr_SetString( PyExc_IndexError, QByteArray::number( a0 ) );
126 return sipConvertFromType(
const_cast< QgsCurve *
>( sipCpp->interiorRing( a0 ) ), sipType_QgsCurve, NULL );
149 void setInteriorRings(
const QVector<QgsCurve *> &rings
SIP_TRANSFER );
161 bool removeInteriorRing(
int ringIndex );
173 bool removeInteriorRing(
int i );
175 if ( a0 < 0 || a0 >= sipCpp->numInteriorRings() )
177 PyErr_SetString( PyExc_IndexError, QByteArray::number( a0 ) );
182 return PyBool_FromLong( sipCpp->removeInteriorRing( a0 ) );
194 void removeInteriorRings(
double minimumAllowedArea = -1 );
203 void removeInvalidRings();
215 void draw( QPainter &p )
const override;
217 void transform( const QTransform &t,
double zTranslate = 0.0,
double zScale = 1.0,
double mTranslate = 0.0,
double mScale = 1.0 ) override;
221 bool deleteVertex(
QgsVertexId position ) override;
224 int nCoordinates() const override;
225 int vertexNumberFromVertexId(
QgsVertexId id ) const override;
226 bool isEmpty() const override;
231 bool hasCurvedSegments() const override;
237 QgsAbstractGeometry *segmentize(
double tolerance = M_PI_2 / 90, SegmentationToleranceType toleranceType = MaximumAngle ) const override
SIP_FACTORY;
244 double vertexAngle(
QgsVertexId vertex ) const override;
246 int vertexCount(
int part = 0,
int ring = 0 ) const override;
247 int ringCount(
int part = 0 ) const override;
248 int partCount() const override;
250 double segmentLength(
QgsVertexId startVertex ) const override;
252 bool addZValue(
double zValue = 0 ) override;
253 bool addMValue(
double mValue = 0 ) override;
254 bool dropZValue() override;
255 bool dropMValue() override;
256 void swapXy() override;
288 SIP_PYOBJECT __repr__();
290 QString wkt = sipCpp->asWkt();
291 if ( wkt.length() > 1000 )
292 wkt = wkt.left( 1000 ) + QStringLiteral(
"..." );
293 QString str = QStringLiteral(
"<QgsCurvePolygon: %1>" ).arg( wkt );
294 sipRes = PyUnicode_FromString( str.toUtf8().constData() );
313 #endif // QGSCURVEPOLYGON_H
Abstract base class for curved geometry type.
QVector< QgsRingSequence > QgsCoordinateSequence
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 degenerat...
virtual bool fromWkt(const QString &wkt)=0
Sets the geometry from a WKT string.
QgsWkbTypes::Type wkbType() const
Returns the WKB type of the geometry.
virtual QByteArray asWkb(WkbFlags flags=QgsAbstractGeometry::WkbFlags()) const =0
Returns a WKB representation of the geometry.
Point geometry type, with support for z-dimension and m-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 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...
Curve polygon geometry type.
virtual QString asWkt(int precision=17) const =0
Returns a WKT representation of the geometry.
const QgsCurve * exteriorRing() const
Returns the curve polygon's exterior ring.
Type
The WKB type describes the number of dimensions a geometry has.
virtual QString asKml(int precision=17) const =0
Returns a KML representation of the geometry.
virtual QgsAbstractGeometry * childGeometry(int index) const
Returns pointer to child geometry (for geometries with child geometries - i.e.
double closestSegment(const QgsPolylineXY &pl, const QgsPointXY &pt, int &vertexAfter, double epsilon)
const QgsCurve * interiorRing(int i) const
Retrieves an interior ring from the curve polygon.
#define SIP_TYPEHINT(type)
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'. Negative values mean left ...
virtual double area() const
Returns the planar, 2-dimensional area of the geometry.
virtual QgsPolygon * surfaceToPolygon() const =0
Gets a polygon representation of this surface.
virtual int dimension() const =0
Returns the inherent dimension of the geometry.
std::unique_ptr< QgsCurve > mExteriorRing
AxisOrder
Axis order for GML generation.
virtual json asJsonObject(int precision=17) const
Returns a json object representation of the geometry.
CORE_EXPORT std::unique_ptr< QgsPolygon > toPolygon(const QgsMeshFace &face, const QVector< QgsMeshVertex > &vertices)
Returns face as polygon geometry, caller is responsible for delete.
virtual QgsAbstractGeometry * clone() const =0
Clones the geometry by performing a deep copy.
virtual void clear()=0
Clears the geometry, ie reset it to a null geometry.
virtual bool fromWkb(QgsConstWkbPtr &wkb)=0
Sets the geometry from a WKB string.
Abstract base class for all geometries.
virtual QString geometryType() const =0
Returns a unique string representing the geometry type.
virtual QgsAbstractGeometry * createEmptyWithSameType() const =0
Creates a new geometry with the same class and same WKB type as the original and transfers ownership.
int numInteriorRings() const
Returns the number of interior rings contained with the curve polygon.
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.
QgsAbstractGeometry & operator=(const QgsAbstractGeometry &geom)
virtual bool operator!=(const QgsAbstractGeometry &other) const =0
virtual void draw(QPainter &p) const =0
Draws the geometry using the specified QPainter.
virtual int childCount() const
Returns number of child geometries (for geometries with child geometries) or child points (for geomet...
Utility class for identifying a unique vertex within a geometry.
virtual double perimeter() const
Returns the planar, 2-dimensional perimeter of the geometry.
const QgsCurvePolygon * cast(const QgsAbstractGeometry *geom) const
Cast the geom to a QgsCurvePolygon.
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.
virtual QgsAbstractGeometry * boundary() const =0
Returns the closure of the combinatorial boundary of the geometry (ie the topological boundary of the...
QVector< QgsCurve * > mInteriorRings
virtual bool operator==(const QgsAbstractGeometry &other) const =0
virtual void transform(const QgsCoordinateTransform &ct, QgsCoordinateTransform::TransformDirection d=QgsCoordinateTransform::ForwardTransform, bool transformZ=false) SIP_THROW(QgsCsException)=0
Transforms the geometry using a coordinate transform.
static Type flatType(Type type)
Returns the flat type for a WKB type.
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.
virtual QgsRectangle calculateBoundingBox() const
Default calculator for the minimal bounding box for the geometry.