17#ifndef QGS_GEOMETRYCHECKERUTILS_H
18#define QGS_GEOMETRYCHECKERUTILS_H
20#include "qgis_analysis.h"
77 QPointer<QgsVectorLayer> layer()
const SIP_SKIP;
82 QString layerId()
const;
101 bool useMapCrs()
const;
125 LayerFeatures(
const QMap<QString, QgsFeaturePool *> &featurePools,
126 const QMap<QString, QgsFeatureIds> &featureIds,
127 const QList<Qgis::GeometryType> &geometryTypes,
130 bool useMapCrs =
false );
135 LayerFeatures(
const QMap<QString, QgsFeaturePool *> &featurePools,
136 const QList<QString> &layerIds,
const QgsRectangle &extent,
137 const QList<Qgis::GeometryType> &geometryTypes,
178 bool nextLayerFeature(
bool begin );
179 bool nextLayer(
bool begin );
180 bool nextFeature(
bool begin );
181 QList<QString>::const_iterator mLayerIt;
182 QgsFeatureIds::const_iterator mFeatureIt;
184 std::unique_ptr<QgsGeometryCheckerUtils::LayerFeature> mCurrentFeature;
205 QMap<QString, QgsFeaturePool *> mFeaturePools;
206 QMap<QString, QgsFeatureIds> mFeatureIds;
207 QList<QString> mLayerIds;
209 QList<Qgis::GeometryType> mGeometryTypes;
212 bool mUseMapCrs =
true;
217 static std::unique_ptr<QgsGeometryEngine> createGeomEngine(
const QgsAbstractGeometry *geometry,
double tolerance );
222 static QList <const QgsLineString *> polygonRings(
const QgsPolygon *polygon );
234 const int nVerts = geom->
vertexCount( iPart, iRing );
237 const bool closed = back == front;
240 return closed ? nVerts - 1 : nVerts;
250 static bool pointOnLine(
const QgsPoint &p,
const QgsLineString *line,
double tol,
bool excludeExtremities =
false );
258 const int nVerts = geom->
vertexCount( iPart, iRing );
261 const bool closed = back == front;
262 return closed ? nVerts > 4 : nVerts > 2;
Abstract base class for all geometries.
virtual int vertexCount(int part=0, int ring=0) const =0
Returns the number of vertices of which this geometry is built.
virtual QgsPoint vertexAt(QgsVertexId id) const =0
Returns the point corresponding to a specified vertex id.
virtual bool isEmpty() const
Returns true if the geometry is empty.
This class represents a coordinate reference system (CRS).
A feature pool is based on a vector layer and caches features.
The feature class encapsulates a single feature including its unique ID, geometry and a list of field...
Base class for feedback objects to be used for cancellation of something running in a worker thread.
Base configuration for geometry checks.
A layer feature combination to uniquely identify and access a feature in a set of layers.
An iterator over all features in a QgsGeometryCheckerUtils::LayerFeatures.
Contains a set of layers and feature ids in those layers to pass to a geometry check.
Contains utilities required for geometry checks.
static bool canDeleteVertex(const QgsAbstractGeometry *geom, int iPart, int iRing)
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 polyl...
A geometry engine is a low-level representation of a QgsAbstractGeometry object, optimised for use wi...
A geometry is the spatial representation of a feature.
Line string geometry type, with support for z-dimension and m-values.
Point geometry type, with support for z-dimension and m-values.
A rectangle specified with double values.
bool operator==(const QgsFeatureIterator &fi1, const QgsFeatureIterator &fi2)
bool operator!=(const QgsFeatureIterator &fi1, const QgsFeatureIterator &fi2)
QgsMargins operator*(const QgsMargins &margins, double factor)
Returns a QgsMargins object that is formed by multiplying each component of the given margins by fact...
Utility class for identifying a unique vertex within a geometry.