QgsGeometryEngine Class Reference

Contains geometry relation and modification algorithms. More...

#include <qgsgeometryengine.h>

Inheritance diagram for QgsGeometryEngine:

Public Member Functions
	QgsGeometryEngine (const QgsAbstractGeometryV2 *geometry)
virtual	~QgsGeometryEngine ()
virtual double	area () const =0
virtual QgsAbstractGeometryV2 *	buffer (double distance, int segments) const =0
virtual QgsAbstractGeometryV2 *	buffer (double distance, int segments, int endCapStyle, int joinStyle, double mitreLimit) const =0
virtual bool	centroid (QgsPointV2 &pt) const =0
virtual QgsAbstractGeometryV2 *	combine (const QgsAbstractGeometryV2 &geom) const =0
virtual QgsAbstractGeometryV2 *	combine (const QList< const QgsAbstractGeometryV2 * >) const =0
virtual bool	contains (const QgsAbstractGeometryV2 &geom) const =0
virtual QgsAbstractGeometryV2 *	convexHull () const =0
virtual bool	crosses (const QgsAbstractGeometryV2 &geom) const =0
virtual QgsAbstractGeometryV2 *	difference (const QgsAbstractGeometryV2 &geom) const =0
virtual bool	disjoint (const QgsAbstractGeometryV2 &geom) const =0
virtual double	distance (const QgsAbstractGeometryV2 &geom) const =0
virtual void	geometryChanged ()=0
virtual QgsAbstractGeometryV2 *	interpolate (double distance) const =0
virtual QgsAbstractGeometryV2 *	intersection (const QgsAbstractGeometryV2 &geom) const =0
virtual bool	intersects (const QgsAbstractGeometryV2 &geom) const =0
virtual bool	isEmpty () const =0
virtual bool	isEqual (const QgsAbstractGeometryV2 &geom) const =0
virtual bool	isValid () const =0
virtual double	length () const =0
virtual QgsAbstractGeometryV2 *	offsetCurve (double distance, int segments, int joinStyle, double mitreLimit) const =0
virtual bool	overlaps (const QgsAbstractGeometryV2 &geom) const =0
virtual bool	pointOnSurface (QgsPointV2 &pt) const =0
virtual void	prepareGeometry ()=0
virtual QgsAbstractGeometryV2 *	simplify (double tolerance) const =0
virtual int	splitGeometry (const QgsLineStringV2 &splitLine, QList< QgsAbstractGeometryV2 * > &newGeometries, bool topological, QList< QgsPointV2 > &topologyTestPoints) const
virtual QgsAbstractGeometryV2 *	symDifference (const QgsAbstractGeometryV2 &geom) const =0
virtual bool	touches (const QgsAbstractGeometryV2 &geom) const =0
virtual bool	within (const QgsAbstractGeometryV2 &geom) const =0

Protected Member Functions
	QgsGeometryEngine ()

Protected Attributes
const QgsAbstractGeometryV2 *	mGeometry

Detailed Description

Contains geometry relation and modification algorithms.

Note

added in QGIS 2.10

this API is not considered stable and may change for 2.12

Definition at line 33 of file qgsgeometryengine.h.

Constructor & Destructor Documentation

QgsGeometryEngine::QgsGeometryEngine ( const QgsAbstractGeometryV2 *  geometry )

inline

Definition at line 36 of file qgsgeometryengine.h.

virtual QgsGeometryEngine::~QgsGeometryEngine ( )

inlinevirtual

Definition at line 37 of file qgsgeometryengine.h.

QgsGeometryEngine::QgsGeometryEngine ( )

protected

Member Function Documentation

virtual double QgsGeometryEngine::area ( ) const

pure virtual

Implemented in QgsGeos.

virtual QgsAbstractGeometryV2* QgsGeometryEngine::buffer ( double  distance, int  segments  ) const

pure virtual

Implemented in QgsGeos.

virtual QgsAbstractGeometryV2* QgsGeometryEngine::buffer ( double  distance, int  segments, int  endCapStyle, int  joinStyle, double  mitreLimit  ) const

pure virtual

Implemented in QgsGeos.

virtual bool QgsGeometryEngine::centroid ( QgsPointV2 &  pt ) const

pure virtual

Implemented in QgsGeos.

virtual QgsAbstractGeometryV2* QgsGeometryEngine::combine ( const QgsAbstractGeometryV2 &  geom ) const

pure virtual

Implemented in QgsGeos.

virtual QgsAbstractGeometryV2* QgsGeometryEngine::combine ( const QList< const QgsAbstractGeometryV2 * >  ) const

pure virtual

Implemented in QgsGeos.

virtual bool QgsGeometryEngine::contains ( const QgsAbstractGeometryV2 &  geom ) const

pure virtual

Implemented in QgsGeos.

virtual QgsAbstractGeometryV2* QgsGeometryEngine::convexHull ( ) const

pure virtual

Implemented in QgsGeos.

virtual bool QgsGeometryEngine::crosses ( const QgsAbstractGeometryV2 &  geom ) const

pure virtual

Implemented in QgsGeos.

virtual QgsAbstractGeometryV2* QgsGeometryEngine::difference ( const QgsAbstractGeometryV2 &  geom ) const

pure virtual

Implemented in QgsGeos.

virtual bool QgsGeometryEngine::disjoint ( const QgsAbstractGeometryV2 &  geom ) const

pure virtual

Implemented in QgsGeos.

virtual double QgsGeometryEngine::distance ( const QgsAbstractGeometryV2 &  geom ) const

pure virtual

Implemented in QgsGeos.

virtual void QgsGeometryEngine::geometryChanged ( )

pure virtual

Implemented in QgsGeos.

virtual QgsAbstractGeometryV2* QgsGeometryEngine::interpolate ( double  distance ) const

pure virtual

Implemented in QgsGeos.

virtual QgsAbstractGeometryV2* QgsGeometryEngine::intersection ( const QgsAbstractGeometryV2 &  geom ) const

pure virtual

Implemented in QgsGeos.

virtual bool QgsGeometryEngine::intersects ( const QgsAbstractGeometryV2 &  geom ) const

pure virtual

Implemented in QgsGeos.

virtual bool QgsGeometryEngine::isEmpty ( ) const

pure virtual

Implemented in QgsGeos.

virtual bool QgsGeometryEngine::isEqual ( const QgsAbstractGeometryV2 &  geom ) const

pure virtual

Implemented in QgsGeos.

virtual bool QgsGeometryEngine::isValid ( ) const

pure virtual

Implemented in QgsGeos.

virtual double QgsGeometryEngine::length ( ) const

pure virtual

Implemented in QgsGeos.

virtual QgsAbstractGeometryV2* QgsGeometryEngine::offsetCurve ( double  distance, int  segments, int  joinStyle, double  mitreLimit  ) const

pure virtual

Implemented in QgsGeos.

virtual bool QgsGeometryEngine::overlaps ( const QgsAbstractGeometryV2 &  geom ) const

pure virtual

Implemented in QgsGeos.

virtual bool QgsGeometryEngine::pointOnSurface ( QgsPointV2 &  pt ) const

pure virtual

Implemented in QgsGeos.

virtual void QgsGeometryEngine::prepareGeometry ( )

pure virtual

Implemented in QgsGeos.

virtual QgsAbstractGeometryV2* QgsGeometryEngine::simplify ( double  tolerance ) const

pure virtual

Implemented in QgsGeos.

virtual int QgsGeometryEngine::splitGeometry ( const QgsLineStringV2 &  splitLine, QList< QgsAbstractGeometryV2 * > &  newGeometries, bool  topological, QList< QgsPointV2 > &  topologyTestPoints  ) const

inlinevirtual

Reimplemented in QgsGeos.

Definition at line 68 of file qgsgeometryengine.h.

virtual QgsAbstractGeometryV2* QgsGeometryEngine::symDifference ( const QgsAbstractGeometryV2 &  geom ) const

pure virtual

Implemented in QgsGeos.

virtual bool QgsGeometryEngine::touches ( const QgsAbstractGeometryV2 &  geom ) const

pure virtual

Implemented in QgsGeos.

virtual bool QgsGeometryEngine::within ( const QgsAbstractGeometryV2 &  geom ) const

pure virtual

Implemented in QgsGeos.

Member Data Documentation

const QgsAbstractGeometryV2* QgsGeometryEngine::mGeometry

protected

Definition at line 83 of file qgsgeometryengine.h.

---

The documentation for this class was generated from the following file:

• /tmp/buildd/qgis-2.10.1+git20150822+dd4475c+20trusty/src/core/geometry/qgsgeometryengine.h