src/core/qgsgeometry.cpp File Reference

#include <limits>
#include <cstdarg>
#include <cstdio>
#include <cmath>
#include "qgis.h"
#include "qgsgeometry.h"
#include "qgsapplication.h"
#include "qgslogger.h"
#include "qgspoint.h"
#include "qgsrectangle.h"
#include "qgsmaplayerregistry.h"
#include "qgsvectorlayer.h"
#include "qgsproject.h"

Include dependency graph for qgsgeometry.cpp:

Go to the source code of this file.

Classes
class	GEOSException
class	GEOSInit
Defines
#define	DEFAULT_QUADRANT_SEGMENTS   8
#define	CATCH_GEOS(r)
Functions
static void	throwGEOSException (const char *fmt,...)
static void	printGEOSNotice (const char *fmt,...)
static unsigned int	getNumGeosPoints (const GEOSGeometry *geom)
static GEOSGeometry *	createGeosPoint (const QgsPoint &point)
static GEOSCoordSequence *	createGeosCoordSequence (const QgsPolyline &points)
static GEOSGeometry *	createGeosCollection (int typeId, QVector< GEOSGeometry * > geoms)
static GEOSGeometry *	createGeosLineString (const QgsPolyline &polyline)
static GEOSGeometry *	createGeosLinearRing (const QgsPolyline &polyline)
static GEOSGeometry *	createGeosPolygon (const QVector< GEOSGeometry * > &rings)
static GEOSGeometry *	createGeosPolygon (GEOSGeometry *shell)
static GEOSGeometry *	createGeosPolygon (const QgsPolygon &polygon)
static QgsGeometry *	fromGeosGeom (GEOSGeometry *geom)
static double	distLine2Point (QgsPoint p, QgsVector v, QgsPoint q)
static bool	intersectLines (QgsPoint p, QgsVector v, QgsPoint q, QgsVector w, QgsPoint &s)
bool	pointInRing (const QgsPolyline &ring, const QgsPoint &p)
static bool	ringInRing (const QgsPolyline &inside, const QgsPolyline &outside)
Variables
static GEOSInit	geosinit

---

Define Documentation

#define CATCH_GEOS

(

r

)

Value:

catch (GEOSException &e) \
  { \
    Q_UNUSED(e); \
    QgsDebugMsg("GEOS: " + QString( e.what() ) ); \
    return r; \
  }

Definition at line 36 of file qgsgeometry.cpp.

Referenced by QgsGeometry::area(), QgsGeometry::buffer(), QgsGeometry::centroid(), QgsGeometry::combine(), QgsGeometry::convexHull(), QgsGeometry::difference(), QgsGeometry::distance(), QgsGeometry::exportWkbToGeos(), QgsGeometry::geosRelOp(), QgsGeometry::intersection(), QgsGeometry::intersects(), QgsGeometry::length(), QgsGeometry::makeDifference(), QgsGeometry::simplify(), QgsGeometry::splitGeometry(), and QgsGeometry::symDifference().

#define DEFAULT_QUADRANT_SEGMENTS   8

Definition at line 34 of file qgsgeometry.cpp.

Referenced by QgsGeometry::lineContainedInLine().

---

Function Documentation

static GEOSGeometry* createGeosCollection	(	int	typeId,
		QVector< GEOSGeometry * >	geoms
	)			[static]

Definition at line 269 of file qgsgeometry.cpp.

Referenced by QgsGeometry::addIsland(), QgsGeometry::addRing(), QgsGeometry::exportWkbToGeos(), QgsGeometry::fromMultiPoint(), QgsGeometry::fromMultiPolygon(), QgsGeometry::fromMultiPolyline(), and QgsGeometry::mergeGeometriesMultiTypeSplit().

static GEOSCoordSequence* createGeosCoordSequence

(

const QgsPolyline &

points

)

[static]

Definition at line 245 of file qgsgeometry.cpp.

Referenced by createGeosLinearRing(), and createGeosLineString().

static GEOSGeometry* createGeosLinearRing

(

const QgsPolyline &

polyline

)

[static]

Definition at line 313 of file qgsgeometry.cpp.

References createGeosCoordSequence().

Referenced by QgsGeometry::addIsland(), QgsGeometry::addRing(), createGeosPolygon(), and QgsGeometry::exportWkbToGeos().

static GEOSGeometry* createGeosLineString

(

const QgsPolyline &

polyline

)

[static]

Definition at line 294 of file qgsgeometry.cpp.

References createGeosCoordSequence().

Referenced by QgsGeometry::exportWkbToGeos(), QgsGeometry::fromMultiPolyline(), QgsGeometry::fromPolyline(), QgsGeometry::reshapeGeometry(), and QgsGeometry::splitGeometry().

static GEOSGeometry* createGeosPoint

(

const QgsPoint &

point

)

[static]

Definition at line 237 of file qgsgeometry.cpp.

References QgsPoint::x(), and QgsPoint::y().

Referenced by QgsGeometry::contains(), QgsGeometry::exportWkbToGeos(), QgsGeometry::fromMultiPoint(), QgsGeometry::fromPoint(), and QgsGeometry::reshapeLine().

static GEOSGeometry* createGeosPolygon

(

const QgsPolygon &

polygon

)

[static]

Definition at line 374 of file qgsgeometry.cpp.

References createGeosLinearRing(), and createGeosPolygon().

static GEOSGeometry* createGeosPolygon

(

GEOSGeometry *

shell

)

[static]

Definition at line 369 of file qgsgeometry.cpp.

References createGeosPolygon().

static GEOSGeometry* createGeosPolygon

(

const QVector< GEOSGeometry * > &

rings

)

[static]

Definition at line 346 of file qgsgeometry.cpp.

Referenced by QgsGeometry::addIsland(), QgsGeometry::addRing(), createGeosPolygon(), QgsGeometry::exportWkbToGeos(), QgsGeometry::fromMultiPolygon(), and QgsGeometry::fromPolygon().

static double distLine2Point	(	QgsPoint	p,
		QgsVector	v,
		QgsPoint	q
	)			[static]

Definition at line 6314 of file qgsgeometry.cpp.

References QgsVector::length(), QgsPoint::x(), QgsVector::x(), QgsVector::y(), and QgsPoint::y().

Referenced by QgsGeometry::checkRingIntersections(), and QgsGeometry::validatePolyline().

static QgsGeometry* fromGeosGeom

(

GEOSGeometry *

geom

)

[static]

Definition at line 397 of file qgsgeometry.cpp.

References QgsGeometry::fromGeos().

Referenced by QgsGeometry::asGeometryCollection(), QgsGeometry::buffer(), QgsGeometry::centroid(), QgsGeometry::combine(), QgsGeometry::convexHull(), QgsGeometry::difference(), QgsGeometry::fromMultiPoint(), QgsGeometry::fromMultiPolygon(), QgsGeometry::fromMultiPolyline(), QgsGeometry::fromPoint(), QgsGeometry::fromPolygon(), QgsGeometry::fromPolyline(), QgsGeometry::fromWkt(), QgsGeometry::intersection(), QgsGeometry::simplify(), QgsGeometry::splitLinearGeometry(), QgsGeometry::splitPolygonGeometry(), and QgsGeometry::symDifference().

static unsigned int getNumGeosPoints

(

const GEOSGeometry *

geom

)

[static]

Definition at line 229 of file qgsgeometry.cpp.

Referenced by QgsGeometry::exportGeosToWkb().

static bool intersectLines	(	QgsPoint	p,
		QgsVector	v,
		QgsPoint	q,
		QgsVector	w,
		QgsPoint &	s
	)			[static]

Definition at line 6324 of file qgsgeometry.cpp.

References QgsPoint::x(), QgsVector::x(), QgsPoint::y(), and QgsVector::y().

Referenced by QgsGeometry::checkRingIntersections(), and QgsGeometry::validatePolyline().

bool pointInRing	(	const QgsPolyline &	ring,
		const QgsPoint &	p
	)

Definition at line 6340 of file qgsgeometry.cpp.

References QgsPoint::x(), and QgsPoint::y().

Referenced by ringInRing().

static void printGEOSNotice	(	const char *	fmt,
			...
	)			[static]

Definition at line 98 of file qgsgeometry.cpp.

References QgsDebugMsg.

Referenced by GEOSInit::GEOSInit().

static bool ringInRing	(	const QgsPolyline &	inside,
		const QgsPolyline &	outside
	)			[static]

Definition at line 6363 of file qgsgeometry.cpp.

References pointInRing().

Referenced by QgsGeometry::validateGeometry(), and QgsGeometry::validatePolygon().

static void throwGEOSException	(	const char *	fmt,
			...
	)			[static]

Definition at line 84 of file qgsgeometry.cpp.

References QgsDebugMsg.

Referenced by QgsGeometry::addRing(), and GEOSInit::GEOSInit().

---

Variable Documentation

GEOSInit geosinit [static]

Definition at line 126 of file qgsgeometry.cpp.