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 "qgsmessagelog.h"
#include "qgspoint.h"
#include "qgsrectangle.h"
#include "qgsmaplayerregistry.h"
#include "qgsvectorlayer.h"
#include "qgsproject.h"
#include "qgsgeometryvalidator.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)
Variables
static GEOSInit	geosinit

---

Define Documentation

#define CATCH_GEOS

(

r

)

Value:

catch (GEOSException &e) \
  { \
    QgsMessageLog::logMessage( QObject::tr( "Exception: %1" ).arg( e.what() ), QObject::tr("GEOS") ); \
    return r; \
  }

Definition at line 37 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 35 of file qgsgeometry.cpp.

Referenced by QgsGeometry::lineContainedInLine().

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Function Documentation

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

Definition at line 271 of file qgsgeometry.cpp.

References QgsMessageLog::logMessage(), and GEOSException::what().

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

static GEOSCoordSequence* createGeosCoordSequence

(

const QgsPolyline &

points

)

[static]

Definition at line 247 of file qgsgeometry.cpp.

References QgsMessageLog::logMessage(), and GEOSException::what().

Referenced by createGeosLinearRing(), and createGeosLineString().

static GEOSGeometry* createGeosLinearRing

(

const QgsPolyline &

polyline

)

[static]

Definition at line 315 of file qgsgeometry.cpp.

References createGeosCoordSequence(), QgsMessageLog::logMessage(), and GEOSException::what().

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

static GEOSGeometry* createGeosLineString

(

const QgsPolyline &

polyline

)

[static]

Definition at line 296 of file qgsgeometry.cpp.

References createGeosCoordSequence(), QgsMessageLog::logMessage(), and GEOSException::what().

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

static GEOSGeometry* createGeosPoint

(

const QgsPoint &

point

)

[static]

Definition at line 239 of file qgsgeometry.cpp.

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

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

static GEOSGeometry* createGeosPolygon

(

const QVector< GEOSGeometry * > &

rings

)

[static]

Definition at line 348 of file qgsgeometry.cpp.

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

static GEOSGeometry* createGeosPolygon

(

GEOSGeometry *

shell

)

[static]

Definition at line 371 of file qgsgeometry.cpp.

References createGeosPolygon().

static GEOSGeometry* createGeosPolygon

(

const QgsPolygon &

polygon

)

[static]

Definition at line 376 of file qgsgeometry.cpp.

References createGeosLinearRing(), createGeosPolygon(), QgsMessageLog::logMessage(), and GEOSException::what().

static QgsGeometry* fromGeosGeom

(

GEOSGeometry *

geom

)

[static]

Definition at line 399 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 231 of file qgsgeometry.cpp.

Referenced by QgsGeometry::exportGeosToWkb().

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

Definition at line 98 of file qgsgeometry.cpp.

References QgsDebugMsg.

Referenced by GEOSInit::GEOSInit().

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

Definition at line 84 of file qgsgeometry.cpp.

References QgsDebugMsg.

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

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Variable Documentation

GEOSInit geosinit [static]

Definition at line 128 of file qgsgeometry.cpp.