QgsGeometryCheckerUtils Class Reference

Contains utilities required for geometry checks. More...

#include <qgsgeometrycheckerutils.h>

Classes
class	LayerFeature
	A layer feature combination to uniquely identify and access a feature in a set of layers. More...
class	LayerFeatures
	Contains a set of layers and feature ids in those layers to pass to a geometry check. More...

Static Public Member Functions
static bool	canDeleteVertex (const QgsAbstractGeometry *geom, int iPart, int iRing)
static std::unique_ptr< QgsGeometryEngine >	createGeomEngine (const QgsAbstractGeometry *geometry, double tolerance)
static void	filter1DTypes (QgsAbstractGeometry *geom)
static QgsAbstractGeometry *	getGeomPart (QgsAbstractGeometry *geom, int partIdx)
static const QgsAbstractGeometry *	getGeomPart (const QgsAbstractGeometry *geom, int partIdx)
static QList< QgsPoint >	lineIntersections (const QgsLineString *line1, const QgsLineString *line2, double tol)
static bool	pointOnLine (const QgsPoint &p, const QgsLineString *line, double tol, bool excludeExtremities=false)
static bool	pointsFuzzyEqual (const QgsPointXY &p1, const QgsPointXY &p2, double tol)
	Determine whether two points are equal up to the specified tolerance. More...
static QList< const QgsLineString * >	polygonRings (const QgsPolygon *polygon)
static int	polyLineSize (const QgsAbstractGeometry *geom, int iPart, int iRing, bool *isClosed=nullptr)
	Returns the number of points in a polyline, accounting for duplicate start and end point if the polyline is closed. More...
static double	sharedEdgeLength (const QgsAbstractGeometry *geom1, const QgsAbstractGeometry *geom2, double tol)

Detailed Description

Contains utilities required for geometry checks.

Note

This class is a technology preview and unstable API.

Since

QGIS 3.4

Definition at line 39 of file qgsgeometrycheckerutils.h.

Member Function Documentation

canDeleteVertex()

static bool QgsGeometryCheckerUtils::canDeleteVertex ( const QgsAbstractGeometry *  geom, int  iPart, int  iRing  )

inlinestatic

Definition at line 265 of file qgsgeometrycheckerutils.h.

createGeomEngine()

std::unique_ptr< QgsGeometryEngine > QgsGeometryCheckerUtils::createGeomEngine ( const QgsAbstractGeometry *  geometry, double  tolerance  )

static

Definition at line 263 of file qgsgeometrycheckerutils.cpp.

filter1DTypes()

void QgsGeometryCheckerUtils::filter1DTypes ( QgsAbstractGeometry *  geom )

static

Definition at line 303 of file qgsgeometrycheckerutils.cpp.

getGeomPart() [1/2]

QgsAbstractGeometry * QgsGeometryCheckerUtils::getGeomPart ( QgsAbstractGeometry *  geom, int  partIdx  )

static

Definition at line 268 of file qgsgeometrycheckerutils.cpp.

getGeomPart() [2/2]

const QgsAbstractGeometry * QgsGeometryCheckerUtils::getGeomPart ( const QgsAbstractGeometry *  geom, int  partIdx  )

static

Definition at line 277 of file qgsgeometrycheckerutils.cpp.

lineIntersections()

QList< QgsPoint > QgsGeometryCheckerUtils::lineIntersections ( const QgsLineString *  line1, const QgsLineString *  line2, double  tol  )

static

Definition at line 342 of file qgsgeometrycheckerutils.cpp.

pointOnLine()

bool QgsGeometryCheckerUtils::pointOnLine ( const QgsPoint &  p, const QgsLineString *  line, double  tol, bool  excludeExtremities = false  )

static

Definition at line 326 of file qgsgeometrycheckerutils.cpp.

pointsFuzzyEqual()

static bool QgsGeometryCheckerUtils::pointsFuzzyEqual ( const QgsPointXY &  p1, const QgsPointXY &  p2, double  tol  )

inlinestatic

Determine whether two points are equal up to the specified tolerance.

Parameters

p1	The first point
p2	The second point
tol	The tolerance

Returns

Whether the points are equal

Definition at line 259 of file qgsgeometrycheckerutils.h.

polygonRings()

QList< const QgsLineString * > QgsGeometryCheckerUtils::polygonRings ( const QgsPolygon *  polygon )

static

Definition at line 286 of file qgsgeometrycheckerutils.cpp.

polyLineSize()

static int QgsGeometryCheckerUtils::polyLineSize ( const QgsAbstractGeometry *  geom, int  iPart, int  iRing, bool *  isClosed = nullptr  )

inlinestatic

Returns the number of points in a polyline, accounting for duplicate start and end point if the polyline is closed.

Returns

The number of distinct points of the polyline

Definition at line 226 of file qgsgeometrycheckerutils.h.

sharedEdgeLength()

double QgsGeometryCheckerUtils::sharedEdgeLength ( const QgsAbstractGeometry *  geom1, const QgsAbstractGeometry *  geom2, double  tol  )

static

Definition at line 364 of file qgsgeometrycheckerutils.cpp.

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

• /tmp/buildd/qgis-3.6.0+99unstable/src/analysis/vector/geometry_checker/qgsgeometrycheckerutils.h
• /tmp/buildd/qgis-3.6.0+99unstable/src/analysis/vector/geometry_checker/qgsgeometrycheckerutils.cpp