QGIS API Documentation  3.21.0-Master (909859188c)
Classes | Static Public Member Functions | List of all members
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< QgsGeometryEnginecreateGeomEngine (const QgsAbstractGeometry *geometry, double tolerance)
 
static void filter1DTypes (QgsAbstractGeometry *geom)
 
static const QgsAbstractGeometrygetGeomPart (const QgsAbstractGeometry *geom, int partIdx)
 
static QgsAbstractGeometrygetGeomPart (QgsAbstractGeometry *geom, int partIdx)
 
static QList< QgsPointlineIntersections (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 267 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]

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

Definition at line 277 of file qgsgeometrycheckerutils.cpp.

◆ getGeomPart() [2/2]

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

Definition at line 268 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
p1The first point
p2The second point
tolThe tolerance
Returns
Whether the points are equal

Definition at line 261 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 228 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.


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