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3174d692b1
Attempts to allocate memory for at least the specified number of geometries. If the number of geometries is known in advance, calling this function prior to adding geometries will prevent reallocations and memory fragmentation.
332 lines
9.5 KiB
Plaintext
332 lines
9.5 KiB
Plaintext
/************************************************************************
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* This file has been generated automatically from *
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* *
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* src/core/geometry/qgsgeometrycollection.h *
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* *
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* Do not edit manually ! Edit header and run scripts/sipify.pl again *
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************************************************************************/
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class QgsGeometryCollection: QgsAbstractGeometry
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{
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%Docstring
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Geometry collection
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.. versionadded:: 2.10
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%End
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%TypeHeaderCode
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#include "qgsgeometrycollection.h"
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%End
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public:
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QgsGeometryCollection();
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QgsGeometryCollection( const QgsGeometryCollection &c );
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~QgsGeometryCollection();
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virtual bool operator==( const QgsAbstractGeometry &other ) const;
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virtual bool operator!=( const QgsAbstractGeometry &other ) const;
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virtual QgsGeometryCollection *clone() const /Factory/;
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int numGeometries() const;
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%Docstring
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Returns the number of geometries within the collection.
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%End
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int __len__() const;
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%Docstring
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Returns the number of geometries within the collection.
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%End
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%MethodCode
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sipRes = sipCpp->numGeometries();
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%End
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//! Ensures that bool(obj) returns ``True`` (otherwise __len__() would be used)
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int __bool__() const;
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%MethodCode
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sipRes = true;
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%End
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SIP_PYOBJECT geometryN( int n ) /TypeHint="QgsAbstractGeometry"/;
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%Docstring
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Returns a geometry from within the collection.
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:param n: index of geometry to return. An IndexError will be raised if no geometry with the specified index exists.
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%End
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%MethodCode
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if ( a0 < 0 || a0 >= sipCpp->numGeometries() )
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{
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PyErr_SetString( PyExc_IndexError, QByteArray::number( a0 ) );
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sipIsErr = 1;
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}
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else
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{
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return sipConvertFromType( sipCpp->geometryN( a0 ), sipType_QgsAbstractGeometry, NULL );
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}
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%End
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virtual bool isEmpty() const;
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virtual int dimension() const;
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virtual QString geometryType() const;
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virtual void clear();
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virtual QgsGeometryCollection *snappedToGrid( double hSpacing, double vSpacing, double dSpacing = 0, double mSpacing = 0 ) const /Factory/;
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virtual bool removeDuplicateNodes( double epsilon = 4 * DBL_EPSILON, bool useZValues = false );
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virtual QgsAbstractGeometry *boundary() const /Factory/;
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virtual void adjacentVertices( QgsVertexId vertex, QgsVertexId &previousVertex /Out/, QgsVertexId &nextVertex /Out/ ) const;
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virtual int vertexNumberFromVertexId( QgsVertexId id ) const;
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void reserve( int size );
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%Docstring
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Attempts to allocate memory for at least ``size`` geometries.
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If the number of geometries is known in advance, calling this function prior to adding geometries will prevent
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reallocations and memory fragmentation.
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.. versionadded:: 3.10
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%End
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virtual bool addGeometry( QgsAbstractGeometry *g /Transfer/ );
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%Docstring
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Adds a geometry and takes ownership. Returns ``True`` in case of success.
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%End
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virtual bool insertGeometry( QgsAbstractGeometry *g /Transfer/, int index );
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%Docstring
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Inserts a geometry before a specified index and takes ownership. Returns ``True`` in case of success.
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:param g: geometry to insert. Ownership is transferred to the collection.
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:param index: position to insert geometry before
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%End
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virtual bool removeGeometry( int nr );
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%Docstring
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Removes a geometry from the collection by index.
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An IndexError will be raised if no geometry with the specified index exists.
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:return: ``True`` if removal was successful.
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%End
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%MethodCode
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const int count = sipCpp->numGeometries();
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if ( a0 < 0 || a0 >= count )
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{
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PyErr_SetString( PyExc_IndexError, QByteArray::number( a0 ) );
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sipIsErr = 1;
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}
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else
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{
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return PyBool_FromLong( sipCpp->removeGeometry( a0 ) );
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}
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%End
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virtual void transform( const QgsCoordinateTransform &ct, QgsCoordinateTransform::TransformDirection d = QgsCoordinateTransform::ForwardTransform, bool transformZ = false ) throw( QgsCsException );
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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 );
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virtual void draw( QPainter &p ) const;
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virtual bool fromWkb( QgsConstWkbPtr &wkb );
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virtual bool fromWkt( const QString &wkt );
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virtual QByteArray asWkb() const;
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virtual QString asWkt( int precision = 17 ) const;
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virtual QDomElement asGml2( QDomDocument &doc, int precision = 17, const QString &ns = "gml", QgsAbstractGeometry::AxisOrder axisOrder = QgsAbstractGeometry::AxisOrder::XY ) const;
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virtual QDomElement asGml3( QDomDocument &doc, int precision = 17, const QString &ns = "gml", QgsAbstractGeometry::AxisOrder axisOrder = QgsAbstractGeometry::AxisOrder::XY ) const;
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virtual QgsRectangle boundingBox() const;
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virtual QgsCoordinateSequence coordinateSequence() const;
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virtual int nCoordinates() const;
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virtual double closestSegment( const QgsPoint &pt, QgsPoint &segmentPt /Out/, QgsVertexId &vertexAfter /Out/, int *leftOf /Out/ = 0, double epsilon = 4 * DBL_EPSILON ) const;
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virtual bool nextVertex( QgsVertexId &id, QgsPoint &vertex /Out/ ) const;
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virtual bool insertVertex( QgsVertexId position, const QgsPoint &vertex );
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virtual bool moveVertex( QgsVertexId position, const QgsPoint &newPos );
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virtual bool deleteVertex( QgsVertexId position );
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virtual double length() const;
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virtual double area() const;
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virtual double perimeter() const;
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virtual bool hasCurvedSegments() const;
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virtual QgsAbstractGeometry *segmentize( double tolerance = M_PI_2 / 90, SegmentationToleranceType toleranceType = MaximumAngle ) const /Factory/;
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%Docstring
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Returns a geometry without curves. Caller takes ownership
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:param tolerance: segmentation tolerance
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:param toleranceType: maximum segmentation angle or maximum difference between approximation and curve*
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%End
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virtual double vertexAngle( QgsVertexId vertex ) const;
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virtual double segmentLength( QgsVertexId startVertex ) const;
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virtual int vertexCount( int part = 0, int ring = 0 ) const;
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virtual int ringCount( int part = 0 ) const;
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virtual int partCount() const;
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virtual QgsPoint vertexAt( QgsVertexId id ) const;
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virtual bool isValid( QString &error /Out/, int flags = 0 ) const;
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virtual bool addZValue( double zValue = 0 );
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virtual bool addMValue( double mValue = 0 );
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virtual bool dropZValue();
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virtual bool dropMValue();
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virtual void swapXy();
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virtual QgsGeometryCollection *toCurveType() const /Factory/;
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SIP_PYOBJECT __getitem__( int index ) /TypeHint="QgsAbstractGeometry"/;
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%Docstring
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Returns the geometry at the specified ``index``. An IndexError will be raised if no geometry with the specified ``index`` exists.
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Indexes can be less than 0, in which case they correspond to geometries from the end of the collect. E.g. an index of -1
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corresponds to the last geometry in the collection.
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.. versionadded:: 3.6
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%End
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%MethodCode
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const int count = sipCpp->numGeometries();
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if ( a0 < -count || a0 >= count )
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{
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PyErr_SetString( PyExc_IndexError, QByteArray::number( a0 ) );
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sipIsErr = 1;
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}
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else if ( a0 >= 0 )
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{
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return sipConvertFromType( sipCpp->geometryN( a0 ), sipType_QgsAbstractGeometry, NULL );
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}
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else
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{
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return sipConvertFromType( sipCpp->geometryN( count + a0 ), sipType_QgsAbstractGeometry, NULL );
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}
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%End
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void __delitem__( int index );
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%Docstring
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Deletes the geometry at the specified ``index``. A geometry at the ``index`` must already exist or an IndexError will be raised.
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Indexes can be less than 0, in which case they correspond to geometries from the end of the collection. E.g. an index of -1
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corresponds to the last geometry in the collection.
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.. versionadded:: 3.6
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%End
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%MethodCode
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const int count = sipCpp->numGeometries();
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if ( a0 >= 0 && a0 < count )
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sipCpp->removeGeometry( a0 );
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else if ( a0 < 0 && a0 >= -count )
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sipCpp->removeGeometry( count + a0 );
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else
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{
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PyErr_SetString( PyExc_IndexError, QByteArray::number( a0 ) );
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sipIsErr = 1;
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}
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%End
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SIP_PYOBJECT __iter__() /TypeHint="QgsGeometryPartIterator"/;
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%Docstring
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Iterates through all geometries in the collection.
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.. versionadded:: 3.6
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%End
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%MethodCode
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sipRes = sipConvertFromNewType( new QgsGeometryPartIterator( sipCpp ), sipType_QgsGeometryPartIterator, Py_None );
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%End
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virtual QgsGeometryCollection *createEmptyWithSameType() const /Factory/;
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protected:
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virtual int childCount() const;
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virtual QgsAbstractGeometry *childGeometry( int index ) const;
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protected:
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virtual bool wktOmitChildType() const;
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%Docstring
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Returns whether child type names are omitted from Wkt representations of the collection
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.. versionadded:: 2.12
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%End
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bool fromCollectionWkt( const QString &wkt, const QVector<QgsAbstractGeometry *> &subtypes, const QString &defaultChildWkbType = QString() );
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%Docstring
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Reads a collection from a WKT string.
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%End
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virtual QgsRectangle calculateBoundingBox() const;
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virtual void clearCache() const;
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};
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/************************************************************************
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* This file has been generated automatically from *
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* *
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* src/core/geometry/qgsgeometrycollection.h *
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* *
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* Do not edit manually ! Edit header and run scripts/sipify.pl again *
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************************************************************************/
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