QGIS API Documentation 3.43.0-Master (b1964063d82)
qgsgeometry.h
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1/***************************************************************************
2 qgsgeometry.h - Geometry (stored as Open Geospatial Consortium WKB)
3 -------------------------------------------------------------------
4Date : 02 May 2005
5Copyright : (C) 2005 by Brendan Morley
6email : morb at ozemail dot com dot au
7 ***************************************************************************
8 * *
9 * This program is free software; you can redistribute it and/or modify *
10 * it under the terms of the GNU General Public License as published by *
11 * the Free Software Foundation; either version 2 of the License, or *
12 * (at your option) any later version. *
13 * *
14 ***************************************************************************/
15
16#ifndef QGSGEOMETRY_H
17#define QGSGEOMETRY_H
18
19#include <functional>
20
21#include <QDomDocument>
22#include <QJsonObject>
23#include <QSet>
24#include <QString>
25#include <QVector>
26
27#include <climits>
28#include <limits>
29#include <memory>
30
31#include "qgis_core.h"
32#include "qgis_sip.h"
33
34#include "qgsabstractgeometry.h"
35#include "qgspointxy.h"
36#include "qgspoint.h"
37#include "qgsfeatureid.h"
38#include "qgsvertexid.h"
39
40#ifndef SIP_RUN
41#include <nlohmann/json_fwd.hpp>
42using namespace nlohmann;
43#endif
44
46class QgsVectorLayer;
47class QgsMapToPixel;
48class QPainter;
49class QgsPolygon;
50class QgsLineString;
51class QgsCurve;
52class QgsFeedback;
53
62typedef QVector<QgsPointXY> QgsPolylineXY;
63
71
73#ifndef SIP_RUN
74typedef QVector<QgsPolylineXY> QgsPolygonXY;
75#else
76typedef QVector<QVector<QgsPointXY>> QgsPolygonXY;
77#endif
78
80typedef QVector<QgsPointXY> QgsMultiPointXY;
81
83#ifndef SIP_RUN
84typedef QVector<QgsPolylineXY> QgsMultiPolylineXY;
85#else
86typedef QVector<QVector<QgsPointXY>> QgsMultiPolylineXY;
87#endif
88
90#ifndef SIP_RUN
91typedef QVector<QgsPolygonXY> QgsMultiPolygonXY;
92#else
93typedef QVector<QVector<QVector<QgsPointXY>>> QgsMultiPolygonXY;
94#endif
95
96class QgsRectangle;
97
98class QgsConstWkbPtr;
99
100struct QgsGeometryPrivate;
101
108class CORE_EXPORT QgsGeometryParameters
109{
110 public:
111
122 double gridSize() const { return mGridSize; }
123
134 void setGridSize( double size ) { mGridSize = size; }
135
136 private:
137
138 double mGridSize = -1;
139};
140
161class CORE_EXPORT QgsGeometry
162{
163 Q_GADGET
164 Q_PROPERTY( bool isNull READ isNull )
165 Q_PROPERTY( Qgis::GeometryType type READ type )
166
167 public:
168
170
172 QgsGeometry( const QgsGeometry & );
173
178 QgsGeometry &operator=( QgsGeometry const &rhs ) SIP_SKIP;
179
185
191 explicit QgsGeometry( std::unique_ptr< QgsAbstractGeometry > geom ) SIP_SKIP;
192
193 virtual ~QgsGeometry();
194
205 const QgsAbstractGeometry *constGet() const SIP_HOLDGIL;
206
218 QgsAbstractGeometry *get();
219
231 void set( QgsAbstractGeometry *geometry SIP_TRANSFER ) SIP_DEPRECATED;
232
240 bool isNull() const SIP_HOLDGIL;
241
243 Q_INVOKABLE static QgsGeometry fromWkt( const QString &wkt );
245 static QgsGeometry fromPointXY( const QgsPointXY &point ) SIP_HOLDGIL;
246
252 static QgsGeometry fromPoint( const QgsPoint &point ) SIP_HOLDGIL;
253
255 static QgsGeometry fromMultiPointXY( const QgsMultiPointXY &multipoint );
256
267 static QgsGeometry fromPolylineXY( const QgsPolylineXY &polyline );
268
277 static QgsGeometry fromPolyline( const QgsPolyline &polyline );
278
282 static QgsGeometry fromMultiPolylineXY( const QgsMultiPolylineXY &multiline );
283
284#ifndef SIP_RUN
285
289#else
290
308#endif
309 static QgsGeometry fromPolygonXY( const QgsPolygonXY &polygon );
310
314 static QgsGeometry fromMultiPolygonXY( const QgsMultiPolygonXY &multipoly );
315
317 static QgsGeometry fromRect( const QgsRectangle &rect ) SIP_HOLDGIL;
318
326 static QgsGeometry fromBox3D( const QgsBox3D &box ) SIP_HOLDGIL;
327
328
330 static QgsGeometry collectGeometry( const QVector<QgsGeometry> &geometries );
331
347 static QgsGeometry createWedgeBuffer( const QgsPoint &center, double azimuth, double angularWidth,
348 double outerRadius, double innerRadius = 0 );
349
363 static QgsGeometry createWedgeBufferFromAngles( const QgsPoint &center, double startAngle, double endAngle,
364 double outerRadius, double innerRadius = 0 );
365
371 void fromWkb( unsigned char *wkb, int length ) SIP_SKIP;
372
376 void fromWkb( const QByteArray &wkb );
377
382 Qgis::WkbType wkbType() const SIP_HOLDGIL;
383
388 Qgis::GeometryType type() const SIP_HOLDGIL;
389
396 bool isEmpty() const SIP_HOLDGIL;
397
399 bool isMultipart() const SIP_HOLDGIL;
400
414 bool equals( const QgsGeometry &geometry ) const;
415
431 bool isGeosEqual( const QgsGeometry & ) const;
432
439 bool isGeosValid( Qgis::GeometryValidityFlags flags = Qgis::GeometryValidityFlags() ) const;
440
448 bool isSimple() const;
449
463 bool isAxisParallelRectangle( double maximumDeviation, bool simpleRectanglesOnly = false ) const;
464
476 double area() const;
477
491 double length() const;
492
500 double distance( const QgsGeometry &geom ) const;
501
502#ifndef SIP_RUN
503
504 // TODO QGIS 4: consider renaming vertices_begin, vertices_end, parts_begin, parts_end, etc
505 // to camelCase
506
510 QgsAbstractGeometry::vertex_iterator vertices_begin() const;
511
515 QgsAbstractGeometry::vertex_iterator vertices_end() const;
516#endif
517
540 QgsVertexIterator vertices() const;
541
542#ifndef SIP_RUN
543
553
563
572 QgsAbstractGeometry::const_part_iterator const_parts_begin() const;
573
582 QgsAbstractGeometry::const_part_iterator const_parts_end() const;
583#endif
584
623
656 QgsGeometryConstPartIterator constParts() const;
657
674 double hausdorffDistance( const QgsGeometry &geom ) const;
675
693 double hausdorffDistanceDensify( const QgsGeometry &geom, double densifyFraction ) const;
694
709 double frechetDistance( const QgsGeometry &geom ) const SIP_THROW( QgsNotSupportedException );
710
733 double frechetDistanceDensify( const QgsGeometry &geom, double densifyFraction ) const SIP_THROW( QgsNotSupportedException );
734
747 QgsPointXY closestVertex( const QgsPointXY &point, int &closestVertexIndex SIP_OUT, int &previousVertexIndex SIP_OUT, int &nextVertexIndex SIP_OUT, double &sqrDist SIP_OUT ) const;
748
756 double distanceToVertex( int vertex ) const;
757
764 double angleAtVertex( int vertex ) const;
765
778 void adjacentVertices( int atVertex, int &beforeVertex SIP_OUT, int &afterVertex SIP_OUT ) const;
779
792 bool insertVertex( double x, double y, int beforeVertex );
793
806 bool insertVertex( const QgsPoint &point, int beforeVertex );
807
815 bool addTopologicalPoint( const QgsPoint &point, double snappingTolerance = 1e-8, double segmentSearchEpsilon = 1e-12 );
816
824 bool moveVertex( double x, double y, int atVertex );
825
833 bool moveVertex( const QgsPoint &p, int atVertex );
834
846 bool deleteVertex( int atVertex );
847
855 bool toggleCircularAtVertex( int atVertex );
856
862 QgsPoint vertexAt( int atVertex ) const;
863
869 double sqrDistToVertexAt( QgsPointXY &point SIP_IN, int atVertex ) const;
870
875 QgsGeometry nearestPoint( const QgsGeometry &other ) const;
876
886 QgsGeometry shortestLine( const QgsGeometry &other ) const;
887
894 double closestVertexWithContext( const QgsPointXY &point, int &atVertex SIP_OUT ) const;
895
907 double closestSegmentWithContext( const QgsPointXY &point, QgsPointXY &minDistPoint SIP_OUT, int &nextVertexIndex SIP_OUT, int *leftOrRightOfSegment SIP_OUT = nullptr, double epsilon = DEFAULT_SEGMENT_EPSILON ) const;
908
914 Qgis::GeometryOperationResult addRing( const QVector<QgsPointXY> &ring );
915
922
930 Q_DECL_DEPRECATED Qgis::GeometryOperationResult addPart( const QVector<QgsPointXY> &points, Qgis::GeometryType geomType = Qgis::GeometryType::Unknown ) SIP_PYNAME( addPointsXY ) SIP_DEPRECATED;
931
939 Qgis::GeometryOperationResult addPartV2( const QVector<QgsPointXY> &points, Qgis::WkbType wkbType = Qgis::WkbType::Unknown ) SIP_PYNAME( addPointsXYV2 );
940
948 Q_DECL_DEPRECATED Qgis::GeometryOperationResult addPart( const QgsPointSequence &points, Qgis::GeometryType geomType = Qgis::GeometryType::Unknown ) SIP_PYNAME( addPoints ) SIP_DEPRECATED;
949
957 Qgis::GeometryOperationResult addPartV2( const QgsPointSequence &points, Qgis::WkbType wkbType = Qgis::WkbType::Unknown ) SIP_PYNAME( addPointsV2 );
958
967
976
982 Qgis::GeometryOperationResult addPart( const QgsGeometry &newPart ) SIP_PYNAME( addPartGeometry );
983
989 QgsGeometry removeInteriorRings( double minimumAllowedArea = -1 ) const;
990
995 Qgis::GeometryOperationResult translate( double dx, double dy, double dz = 0.0, double dm = 0.0 );
996
1012
1021 Qgis::GeometryOperationResult transform( const QTransform &t, double zTranslate = 0.0, double zScale = 1.0, double mTranslate = 0.0, double mScale = 1.0 );
1022
1029 Qgis::GeometryOperationResult rotate( double rotation, const QgsPointXY &center );
1030
1041 Q_DECL_DEPRECATED Qgis::GeometryOperationResult splitGeometry( const QVector<QgsPointXY> &splitLine, QVector<QgsGeometry> &newGeometries, bool topological, QVector<QgsPointXY> &topologyTestPoints, bool splitFeature = true ) SIP_SKIP;
1042
1064 Qgis::GeometryOperationResult splitGeometry( const QgsPointSequence &splitLine, QVector<QgsGeometry> &newGeometries SIP_OUT, bool topological, QgsPointSequence &topologyTestPoints SIP_OUT, bool splitFeature = true, bool skipIntersectionTest SIP_PYARGREMOVE = false ) SIP_SKIP;
1065
1066
1067 /*
1068 This SIP code is to support overloaded methods of splitGeometry.
1069 When the deprecated method is removed in QGIS 4.0 this code can be dropped
1070 TODO QGIS 4 remove MethodCode
1071 */
1072#ifdef SIP_RUN
1073
1092 SIP_PYOBJECT splitGeometry( SIP_PYOBJECT splitLine SIP_TYPEHINT( List[Union[QgsPoint, QgsPointXY]] ), bool topological, bool splitFeature = true ) SIP_TYPEHINT( Tuple[Qgis.GeometryOperationResult, Union[List[QgsPoint], List[QgsPointXY]], Union[List[QgsPoint], List[QgsPointXY]]] );
1093 % MethodCode
1094 {
1095 int sipIsErr = 0;
1096 int state;
1097
1098 if ( PyList_Check( a0 ) && PyList_GET_SIZE( a0 ) )
1099 {
1100 PyObject *p0 = PyList_GetItem( a0, 0 );
1101 if ( sipCanConvertToType( p0, sipType_QgsPointXY, SIP_NOT_NONE ) &&
1102 sipCanConvertToType( a0, sipType_QVector_0100QgsPointXY, SIP_NOT_NONE ) )
1103 {
1104 QVector<QgsGeometry> newGeometries;
1105 QVector<QgsPointXY> topologyTestPoints;
1106
1107 QVector<QgsPointXY> *splitLine = reinterpret_cast<QVector<QgsPointXY> *>( sipConvertToType( a0, sipType_QVector_0100QgsPointXY, 0, SIP_NOT_NONE, &state, &sipIsErr ) );
1108 if ( !sipIsErr )
1109 {
1110 Qgis::GeometryOperationResult result = sipCpp->splitGeometry( *splitLine, newGeometries, a1, topologyTestPoints, a2 );
1111
1112 PyObject *o0 = sipConvertFromEnum( static_cast<int>( result ), sipType_Qgis_GeometryOperationResult );
1113 PyObject *o1 = sipConvertFromType( &newGeometries, sipType_QVector_0100QgsGeometry, Py_None );
1114 PyObject *o2 = sipConvertFromType( &topologyTestPoints, sipType_QVector_0100QgsPointXY, Py_None );
1115
1116 sipRes = PyTuple_New( 3 );
1117 PyTuple_SET_ITEM( sipRes, 0, o0 );
1118 PyTuple_SET_ITEM( sipRes, 1, o1 );
1119 PyTuple_SET_ITEM( sipRes, 2, o2 );
1120 }
1121 sipReleaseType( splitLine, sipType_QVector_0100QgsPointXY, state );
1122 }
1123
1124 else if ( sipCanConvertToType( p0, sipType_QgsPoint, SIP_NOT_NONE ) &&
1125 sipCanConvertToType( a0, sipType_QVector_0100QgsPoint, SIP_NOT_NONE ) )
1126 {
1127 QVector<QgsGeometry> newGeometries;
1128 QVector<QgsPoint> topologyTestPoints;
1129
1130 QVector<QgsPoint> *splitLine = reinterpret_cast<QVector<QgsPoint> *>( sipConvertToType( a0, sipType_QVector_0100QgsPoint, 0, SIP_NOT_NONE, &state, &sipIsErr ) );
1131 if ( !sipIsErr )
1132 {
1133 Qgis::GeometryOperationResult result = sipCpp->splitGeometry( *splitLine, newGeometries, a1, topologyTestPoints, a2 );
1134
1135 PyObject *o0 = sipConvertFromEnum( static_cast<int>( result ), sipType_Qgis_GeometryOperationResult );
1136 PyObject *o1 = sipConvertFromType( &newGeometries, sipType_QVector_0100QgsGeometry, Py_None );
1137 PyObject *o2 = sipConvertFromType( &topologyTestPoints, sipType_QVector_0100QgsPoint, Py_None );
1138
1139 sipRes = PyTuple_New( 3 );
1140 PyTuple_SET_ITEM( sipRes, 0, o0 );
1141 PyTuple_SET_ITEM( sipRes, 1, o1 );
1142 PyTuple_SET_ITEM( sipRes, 2, o2 );
1143 }
1144 sipReleaseType( splitLine, sipType_QVector_0100QgsPoint, state );
1145 }
1146 else
1147 {
1148 sipIsErr = 1;
1149 PyErr_SetString( PyExc_TypeError, QStringLiteral( "Could not convert first argument to a list of QgsPoint or QgsPointXY." ).toUtf8().constData() );
1150 }
1151 }
1152 else
1153 {
1154 sipIsErr = 1;
1155 PyErr_SetString( PyExc_TypeError, QStringLiteral( "First argument is not a list of points or is empty." ).toUtf8().constData() );
1156 }
1157 }
1158 % End
1159#endif
1160
1172 Qgis::GeometryOperationResult splitGeometry( const QgsCurve *curve, QVector<QgsGeometry> &newGeometries SIP_OUT, bool preserveCircular, bool topological, QgsPointSequence &topologyTestPoints SIP_OUT, bool splitFeature = true );
1173
1178 Qgis::GeometryOperationResult reshapeGeometry( const QgsLineString &reshapeLineString );
1179
1185 int makeDifferenceInPlace( const QgsGeometry &other ) SIP_SKIP;
1186
1193 QgsGeometry makeDifference( const QgsGeometry &other ) const;
1194
1199 QgsRectangle boundingBox() const;
1200
1206 QgsBox3D boundingBox3D() const;
1207
1218 QgsGeometry orientedMinimumBoundingBox( double &area SIP_OUT, double &angle SIP_OUT, double &width SIP_OUT, double &height SIP_OUT ) const;
1219
1228 QgsGeometry orientedMinimumBoundingBox() const SIP_SKIP;
1229
1237 QgsGeometry minimalEnclosingCircle( QgsPointXY &center SIP_OUT, double &radius SIP_OUT, unsigned int segments = 36 ) const;
1238
1243 QgsGeometry minimalEnclosingCircle( unsigned int segments = 36 ) const SIP_SKIP;
1244
1252 QgsGeometry orthogonalize( double tolerance = 1.0E-8, int maxIterations = 1000, double angleThreshold = 15.0 ) const;
1253
1266 QgsGeometry triangularWaves( double wavelength, double amplitude, bool strictWavelength = false ) const;
1267
1286 QgsGeometry triangularWavesRandomized( double minimumWavelength, double maximumWavelength, double minimumAmplitude, double maximumAmplitude, unsigned long seed = 0 ) const;
1287
1300 QgsGeometry squareWaves( double wavelength, double amplitude, bool strictWavelength = false ) const;
1301
1320 QgsGeometry squareWavesRandomized( double minimumWavelength, double maximumWavelength, double minimumAmplitude, double maximumAmplitude, unsigned long seed = 0 ) const;
1321
1334 QgsGeometry roundWaves( double wavelength, double amplitude, bool strictWavelength = false ) const;
1335
1354 QgsGeometry roundWavesRandomized( double minimumWavelength, double maximumWavelength, double minimumAmplitude, double maximumAmplitude, unsigned long seed = 0 ) const;
1355
1369 QgsGeometry applyDashPattern( const QVector< double > &pattern,
1370 Qgis::DashPatternLineEndingRule startRule = Qgis::DashPatternLineEndingRule::NoRule,
1371 Qgis::DashPatternLineEndingRule endRule = Qgis::DashPatternLineEndingRule::NoRule,
1372 Qgis::DashPatternSizeAdjustment adjustment = Qgis::DashPatternSizeAdjustment::ScaleBothDashAndGap,
1373 double patternOffset = 0 ) const;
1374
1386 QgsGeometry snappedToGrid( double hSpacing, double vSpacing, double dSpacing = 0, double mSpacing = 0 ) const;
1387
1407 bool removeDuplicateNodes( double epsilon = 4 * std::numeric_limits<double>::epsilon(), bool useZValues = false );
1408
1418 bool intersects( const QgsRectangle &rectangle ) const;
1419
1434 bool intersects( const QgsGeometry &geometry ) const;
1435
1444 bool boundingBoxIntersects( const QgsRectangle &rectangle ) const;
1445
1454 bool boundingBoxIntersects( const QgsGeometry &geometry ) const;
1455
1459 bool contains( const QgsPointXY *p ) const;
1460
1466 bool contains( double x, double y ) const;
1467
1477 bool contains( const QgsGeometry &geometry ) const;
1478
1488 bool disjoint( const QgsGeometry &geometry ) const;
1489
1499 bool touches( const QgsGeometry &geometry ) const;
1500
1510 bool overlaps( const QgsGeometry &geometry ) const;
1511
1521 bool within( const QgsGeometry &geometry ) const;
1522
1532 bool crosses( const QgsGeometry &geometry ) const;
1533
1541 QgsGeometry buffer( double distance, int segments ) const;
1542
1554 QgsGeometry buffer( double distance, int segments, Qgis::EndCapStyle endCapStyle, Qgis::JoinStyle joinStyle, double miterLimit ) const;
1555
1563 QgsGeometry offsetCurve( double distance, int segments, Qgis::JoinStyle joinStyle, double miterLimit ) const;
1564
1579 QgsGeometry singleSidedBuffer( double distance, int segments, Qgis::BufferSide side,
1580 Qgis::JoinStyle joinStyle = Qgis::JoinStyle::Round,
1581 double miterLimit = 2.0 ) const;
1582
1600 QgsGeometry taperedBuffer( double startWidth, double endWidth, int segments ) const;
1601
1616 QgsGeometry variableWidthBufferByM( int segments ) const;
1617
1623 QgsGeometry extendLine( double startDistance, double endDistance ) const;
1624
1626 QgsGeometry simplify( double tolerance ) const;
1627
1636 QgsGeometry densifyByCount( int extraNodesPerSegment ) const;
1637
1651 QgsGeometry densifyByDistance( double distance ) const;
1652
1668 QgsGeometry convertToCurves( double distanceTolerance = 1e-8, double angleTolerance = 1e-8 ) const;
1669
1683 QgsGeometry centroid() const;
1684
1698 QgsGeometry pointOnSurface() const;
1699
1711 QgsGeometry poleOfInaccessibility( double precision, double *distanceToBoundary SIP_OUT = nullptr ) const;
1712
1736 QgsGeometry largestEmptyCircle( double tolerance, const QgsGeometry &boundary = QgsGeometry() ) const SIP_THROW( QgsNotSupportedException );
1737
1752 QgsGeometry minimumWidth() const SIP_THROW( QgsNotSupportedException );
1753
1775 double minimumClearance() const SIP_THROW( QgsNotSupportedException );
1776
1788 QgsGeometry minimumClearanceLine() const SIP_THROW( QgsNotSupportedException );
1789
1798 QgsGeometry convexHull() const;
1799
1813 QgsGeometry concaveHull( double targetPercent, bool allowHoles = false ) const SIP_THROW( QgsNotSupportedException );
1814
1829 QgsGeometry voronoiDiagram( const QgsGeometry &extent = QgsGeometry(), double tolerance = 0.0, bool edgesOnly = false ) const;
1830
1841 QgsGeometry delaunayTriangulation( double tolerance = 0.0, bool edgesOnly = false ) const;
1842
1855 QgsGeometry constrainedDelaunayTriangulation() const SIP_THROW( QgsNotSupportedException );
1856
1874 Qgis::CoverageValidityResult validateCoverage( double gapWidth, QgsGeometry *invalidEdges SIP_OUT = nullptr ) const SIP_THROW( QgsNotSupportedException );
1875
1896 QgsGeometry simplifyCoverageVW( double tolerance, bool preserveBoundary ) const SIP_THROW( QgsNotSupportedException );
1897
1909 QgsGeometry unionCoverage() const;
1910
1921 QgsGeometry node() const;
1922
1937 QgsGeometry sharedPaths( const QgsGeometry &other ) const;
1938
1960 QgsGeometry subdivide( int maxNodes = 256, const QgsGeometryParameters &parameters = QgsGeometryParameters() ) const;
1961
1976 QgsGeometry interpolate( double distance ) const;
1977
1988 double lineLocatePoint( const QgsGeometry &point ) const;
1989
1998 double interpolateAngle( double distance ) const;
1999
2011 QgsGeometry intersection( const QgsGeometry &geometry, const QgsGeometryParameters &parameters = QgsGeometryParameters() ) const;
2012
2019 QgsGeometry clipped( const QgsRectangle &rectangle );
2020
2035 QgsGeometry combine( const QgsGeometry &geometry, const QgsGeometryParameters &parameters = QgsGeometryParameters() ) const;
2036
2044 QgsGeometry mergeLines() const;
2045
2057 QgsGeometry difference( const QgsGeometry &geometry, const QgsGeometryParameters &parameters = QgsGeometryParameters() ) const;
2058
2070 QgsGeometry symDifference( const QgsGeometry &geometry, const QgsGeometryParameters &parameters = QgsGeometryParameters() ) const;
2071
2073 QgsGeometry extrude( double x, double y );
2074
2075#ifndef SIP_RUN
2076
2098 QVector< QgsPointXY > randomPointsInPolygon( int count, const std::function< bool( const QgsPointXY & ) > &acceptPoint, unsigned long seed = 0, QgsFeedback *feedback = nullptr, int maxTriesPerPoint = 0 ) const;
2099
2113 QVector< QgsPointXY > randomPointsInPolygon( int count, unsigned long seed = 0, QgsFeedback *feedback = nullptr ) const;
2115#else
2116
2130 SIP_PYOBJECT randomPointsInPolygon( int count, unsigned long seed = 0 ) const SIP_TYPEHINT( QgsPolylineXY );
2131 % MethodCode
2132 const Qgis::GeometryType type = sipCpp->type();
2133 if ( sipCpp->isNull() )
2134 {
2135 PyErr_SetString( PyExc_ValueError, QStringLiteral( "Cannot generate points inside a null geometry." ).toUtf8().constData() );
2136 sipIsErr = 1;
2137 }
2138 else if ( type != Qgis::GeometryType::Polygon )
2139 {
2140 PyErr_SetString( PyExc_TypeError, QStringLiteral( "Cannot generate points inside a %1 geometry. Only Polygon types are permitted." ).arg( QgsWkbTypes::displayString( sipCpp->wkbType() ) ).toUtf8().constData() );
2141 sipIsErr = 1;
2142 }
2143 else
2144 {
2145 const sipTypeDef *qvector_type = sipFindType( "QVector<QgsPointXY>" );
2146 sipRes = sipConvertFromNewType( new QVector< QgsPointXY >( sipCpp->randomPointsInPolygon( a0, a1 ) ), qvector_type, Py_None );
2147 }
2148 % End
2149
2150
2151#endif
2153
2161 int wkbSize( QgsAbstractGeometry::WkbFlags flags = QgsAbstractGeometry::WkbFlags() ) const;
2162
2169 QByteArray asWkb( QgsAbstractGeometry::WkbFlags flags = QgsAbstractGeometry::WkbFlags() ) const;
2170
2176 Q_INVOKABLE QString asWkt( int precision = 17 ) const;
2177
2178#ifdef SIP_RUN
2179 SIP_PYOBJECT __repr__();
2180 % MethodCode
2181 QString str;
2182 if ( sipCpp->isNull() )
2183 str = QStringLiteral( "<QgsGeometry: null>" );
2184 else
2185 {
2186 QString wkt = sipCpp->asWkt();
2187 if ( wkt.length() > 1000 )
2188 wkt = wkt.left( 1000 ) + QStringLiteral( "..." );
2189 str = QStringLiteral( "<QgsGeometry: %1>" ).arg( wkt );
2190 }
2191 sipRes = PyUnicode_FromString( str.toUtf8().constData() );
2192 % End
2193#endif
2194
2198 QString asJson( int precision = 17 ) const;
2199
2205 virtual json asJsonObject( int precision = 17 ) const SIP_SKIP;
2206
2233 QVector< QgsGeometry > coerceToType( Qgis::WkbType type, double defaultZ = 0, double defaultM = 0 ) const;
2234
2246 QgsGeometry convertToType( Qgis::GeometryType destType, bool destMultipart = false ) const;
2247
2248 /* Accessor functions for getting geometry data */
2249
2250#ifndef SIP_RUN
2251
2260 QgsPointXY asPoint() const;
2261#else
2262
2273 SIP_PYOBJECT asPoint() const SIP_TYPEHINT( QgsPointXY );
2274 % MethodCode
2275 if ( sipCpp->isNull() )
2276 {
2277 PyErr_SetString( PyExc_ValueError, QStringLiteral( "Null geometry cannot be converted to a point." ).toUtf8().constData() );
2278 sipIsErr = 1;
2279 }
2280 else
2281 {
2282 const QgsAbstractGeometry *geom = sipCpp->constGet();
2284 {
2285 PyErr_SetString( PyExc_TypeError, QStringLiteral( "%1 geometry cannot be converted to a point. Only Point types are permitted." ).arg( QgsWkbTypes::displayString( geom->wkbType() ) ).toUtf8().constData() );
2286 sipIsErr = 1;
2287 }
2288 else
2289 {
2290 sipRes = sipConvertFromNewType( new QgsPointXY( sipCpp->asPoint() ), sipType_QgsPointXY, Py_None );
2291 }
2292 }
2293 % End
2294#endif
2295
2296#ifndef SIP_RUN
2297
2306 QgsPolylineXY asPolyline() const;
2307#else
2308
2320 SIP_PYOBJECT asPolyline() const SIP_TYPEHINT( QgsPolylineXY );
2321 % MethodCode
2322 const Qgis::WkbType type = sipCpp->wkbType();
2323 if ( sipCpp->isNull() )
2324 {
2325 PyErr_SetString( PyExc_ValueError, QStringLiteral( "Null geometry cannot be converted to a polyline." ).toUtf8().constData() );
2326 sipIsErr = 1;
2327 }
2329 {
2330 PyErr_SetString( PyExc_TypeError, QStringLiteral( "%1 geometry cannot be converted to a polyline. Only single line or curve types are permitted." ).arg( QgsWkbTypes::displayString( type ) ).toUtf8().constData() );
2331 sipIsErr = 1;
2332 }
2333 else
2334 {
2335 const sipTypeDef *qvector_type = sipFindType( "QVector< QgsPointXY >" );
2336 sipRes = sipConvertFromNewType( new QgsPolylineXY( sipCpp->asPolyline() ), qvector_type, Py_None );
2337 }
2338 % End
2339#endif
2340
2341#ifndef SIP_RUN
2342
2351 QgsPolygonXY asPolygon() const;
2352#else
2353
2365 SIP_PYOBJECT asPolygon() const SIP_TYPEHINT( QgsPolygonXY );
2366 % MethodCode
2367 const Qgis::WkbType type = sipCpp->wkbType();
2368 if ( sipCpp->isNull() )
2369 {
2370 PyErr_SetString( PyExc_ValueError, QStringLiteral( "Null geometry cannot be converted to a polygon." ).toUtf8().constData() );
2371 sipIsErr = 1;
2372 }
2374 {
2375 PyErr_SetString( PyExc_TypeError, QStringLiteral( "%1 geometry cannot be converted to a polygon. Only single polygon or curve polygon types are permitted." ).arg( QgsWkbTypes::displayString( type ) ).toUtf8().constData() );
2376 sipIsErr = 1;
2377 }
2378 else
2379 {
2380 const sipTypeDef *qvector_type = sipFindType( "QVector<QVector<QgsPointXY>>" );
2381 sipRes = sipConvertFromNewType( new QgsPolygonXY( sipCpp->asPolygon() ), qvector_type, Py_None );
2382 }
2383 % End
2384#endif
2385
2386#ifndef SIP_RUN
2387
2395 QgsMultiPointXY asMultiPoint() const;
2396#else
2397
2408 SIP_PYOBJECT asMultiPoint() const SIP_TYPEHINT( QgsMultiPointXY );
2409 % MethodCode
2410 const Qgis::WkbType type = sipCpp->wkbType();
2411 if ( sipCpp->isNull() )
2412 {
2413 PyErr_SetString( PyExc_ValueError, QStringLiteral( "Null geometry cannot be converted to a multipoint." ).toUtf8().constData() );
2414 sipIsErr = 1;
2415 }
2417 {
2418 PyErr_SetString( PyExc_TypeError, QStringLiteral( "%1 geometry cannot be converted to a multipoint. Only multipoint types are permitted." ).arg( QgsWkbTypes::displayString( type ) ).toUtf8().constData() );
2419 sipIsErr = 1;
2420 }
2421 else
2422 {
2423 const sipTypeDef *qvector_type = sipFindType( "QVector< QgsPointXY >" );
2424 sipRes = sipConvertFromNewType( new QgsPolylineXY( sipCpp->asMultiPoint() ), qvector_type, Py_None );
2425 }
2426 % End
2427#endif
2428
2429#ifndef SIP_RUN
2430
2439 QgsMultiPolylineXY asMultiPolyline() const;
2440#else
2441
2453 SIP_PYOBJECT asMultiPolyline() const SIP_TYPEHINT( QgsMultiPolylineXY );
2454 % MethodCode
2455 const Qgis::WkbType type = sipCpp->wkbType();
2456 if ( sipCpp->isNull() )
2457 {
2458 PyErr_SetString( PyExc_ValueError, QStringLiteral( "Null geometry cannot be converted to a multilinestring." ).toUtf8().constData() );
2459 sipIsErr = 1;
2460 }
2462 {
2463 PyErr_SetString( PyExc_TypeError, QStringLiteral( "%1 geometry cannot be converted to a multilinestring. Only multi linestring or curves are permitted." ).arg( QgsWkbTypes::displayString( type ) ).toUtf8().constData() );
2464 sipIsErr = 1;
2465 }
2466 else
2467 {
2468 const sipTypeDef *qvector_type = sipFindType( "QVector<QVector<QgsPointXY>>" );
2469 sipRes = sipConvertFromNewType( new QgsMultiPolylineXY( sipCpp->asMultiPolyline() ), qvector_type, Py_None );
2470 }
2471 % End
2472#endif
2473
2474#ifndef SIP_RUN
2475
2484 QgsMultiPolygonXY asMultiPolygon() const;
2485#else
2486
2498 SIP_PYOBJECT asMultiPolygon() const SIP_TYPEHINT( QgsMultiPolygonXY );
2499 % MethodCode
2500 const Qgis::WkbType type = sipCpp->wkbType();
2501 if ( sipCpp->isNull() )
2502 {
2503 PyErr_SetString( PyExc_ValueError, QStringLiteral( "Null geometry cannot be converted to a multipolygon." ).toUtf8().constData() );
2504 sipIsErr = 1;
2505 }
2507 {
2508 PyErr_SetString( PyExc_TypeError, QStringLiteral( "%1 geometry cannot be converted to a multipolygon. Only multi polygon or curves are permitted." ).arg( QgsWkbTypes::displayString( type ) ).toUtf8().constData() );
2509 sipIsErr = 1;
2510 }
2511 else
2512 {
2513 const sipTypeDef *qvector_type = sipFindType( "QVector<QVector<QVector<QgsPointXY>>>" );
2514 sipRes = sipConvertFromNewType( new QgsMultiPolygonXY( sipCpp->asMultiPolygon() ), qvector_type, Py_None );
2515 }
2516 % End
2517#endif
2518
2522 QVector<QgsGeometry> asGeometryCollection() const;
2523
2528 QPointF asQPointF() const SIP_HOLDGIL;
2529
2541 QPolygonF asQPolygonF() const SIP_HOLDGIL;
2542
2548 bool deleteRing( int ringNum, int partNum = 0 );
2549
2554 bool deletePart( int partNum );
2555
2564 bool convertToMultiType();
2565
2581 bool convertToCurvedMultiType();
2582
2592 bool convertToSingleType();
2593
2603 bool convertGeometryCollectionToSubclass( Qgis::GeometryType geomType );
2604
2616 Q_DECL_DEPRECATED int avoidIntersections( const QList<QgsVectorLayer *> &avoidIntersectionsLayers,
2617 const QHash<QgsVectorLayer *, QSet<QgsFeatureId> > &ignoreFeatures SIP_PYARGREMOVE = ( QHash<QgsVectorLayer *, QSet<QgsFeatureId> >() ) ) SIP_DEPRECATED;
2618
2630 Qgis::GeometryOperationResult avoidIntersectionsV2( const QList<QgsVectorLayer *> &avoidIntersectionsLayers,
2631 const QHash<QgsVectorLayer *, QSet<QgsFeatureId> > &ignoreFeatures SIP_PYARGREMOVE = ( QHash<QgsVectorLayer *, QSet<QgsFeatureId> >() ) );
2632
2653 QgsGeometry makeValid( Qgis::MakeValidMethod method = Qgis::MakeValidMethod::Linework, bool keepCollapsed = false ) const SIP_THROW( QgsNotSupportedException );
2654
2664 Qgis::AngularDirection polygonOrientation() const;
2665
2679 bool isPolygonCounterClockwise() const { return polygonOrientation() == Qgis::AngularDirection::CounterClockwise; }
2680
2694 bool isPolygonClockwise() const { return polygonOrientation() == Qgis::AngularDirection::Clockwise; }
2695
2696
2711 QgsGeometry forceRHR() const;
2712
2723 QgsGeometry forcePolygonClockwise() const;
2724
2735 QgsGeometry forcePolygonCounterClockwise() const;
2736
2741 class CORE_EXPORT Error
2742 {
2743 public:
2745 : mMessage( QStringLiteral( "none" ) )
2746 {}
2747
2748 explicit Error( const QString &m )
2749 : mMessage( m )
2750 {}
2751
2752 Error( const QString &m, const QgsPointXY &p )
2753 : mMessage( m )
2754 , mLocation( p )
2755 , mHasLocation( true ) {}
2756
2760 QString what() const;
2761
2765 QgsPointXY where() const;
2766
2770 bool hasWhere() const;
2771
2772#ifdef SIP_RUN
2773 SIP_PYOBJECT __repr__();
2774 % MethodCode
2775 QString str = QStringLiteral( "<QgsGeometry.Error: %1>" ).arg( sipCpp->what() );
2776 sipRes = PyUnicode_FromString( str.toUtf8().data() );
2777 % End
2778#endif
2779
2780 // TODO c++20 - replace with = default
2781 bool operator==( const QgsGeometry::Error &other ) const
2782 {
2783 return other.mMessage == mMessage && other.mHasLocation == mHasLocation && other.mLocation == mLocation;
2784 }
2785
2786 private:
2787 QString mMessage;
2788 QgsPointXY mLocation;
2789 bool mHasLocation = false;
2790 };
2791
2799 void validateGeometry( QVector<QgsGeometry::Error> &errors SIP_OUT, Qgis::GeometryValidationEngine method = Qgis::GeometryValidationEngine::QgisInternal, Qgis::GeometryValidityFlags flags = Qgis::GeometryValidityFlags() ) const;
2800
2810 void normalize();
2811
2820 static QgsGeometry unaryUnion( const QVector<QgsGeometry> &geometries, const QgsGeometryParameters &parameters = QgsGeometryParameters() );
2821
2829 static QgsGeometry polygonize( const QVector<QgsGeometry> &geometries );
2830
2837 void convertToStraightSegment( double tolerance = M_PI / 180., QgsAbstractGeometry::SegmentationToleranceType toleranceType = QgsAbstractGeometry::MaximumAngle );
2838
2844 bool requiresConversionToStraightSegments() const;
2845
2850 void mapToPixel( const QgsMapToPixel &mtp );
2851
2856 void draw( QPainter &p ) const;
2857
2867 bool vertexIdFromVertexNr( int number, QgsVertexId &id SIP_OUT ) const;
2868
2879 int vertexNrFromVertexId( QgsVertexId id ) const;
2880
2887 QString lastError() const SIP_HOLDGIL;
2888
2898 void filterVertices( const std::function< bool( const QgsPoint & ) > &filter ) SIP_SKIP;
2899
2914 void transformVertices( const std::function< QgsPoint( const QgsPoint & ) > &transform ) SIP_SKIP;
2915
2920 static QgsGeometry fromQPointF( QPointF point ) SIP_HOLDGIL;
2921
2928 static QgsGeometry fromQPolygonF( const QPolygonF &polygon );
2929
2937 Q_DECL_DEPRECATED static QgsPolylineXY createPolylineFromQPolygonF( const QPolygonF &polygon ) SIP_DEPRECATED;
2938
2946 Q_DECL_DEPRECATED static QgsPolygonXY createPolygonFromQPolygonF( const QPolygonF &polygon ) SIP_DEPRECATED;
2947
2948#ifndef SIP_RUN
2949
2958 static bool compare( const QgsPolylineXY &p1, const QgsPolylineXY &p2,
2959 double epsilon = 4 * std::numeric_limits<double>::epsilon() );
2960
2969 static bool compare( const QgsPolygonXY &p1, const QgsPolygonXY &p2,
2970 double epsilon = 4 * std::numeric_limits<double>::epsilon() );
2971
2981 static bool compare( const QgsMultiPolygonXY &p1, const QgsMultiPolygonXY &p2,
2982 double epsilon = 4 * std::numeric_limits<double>::epsilon() );
2983#else
2984
3003 static bool compare( PyObject *obj1, PyObject *obj2, double epsilon = 4 * std::numeric_limits<double>::epsilon() );
3004 % MethodCode
3005 {
3006 sipRes = false;
3007 int state0;
3008 int state1;
3009 int sipIsErr = 0;
3010
3011 if ( PyList_Check( a0 ) && PyList_Check( a1 ) &&
3012 PyList_GET_SIZE( a0 ) && PyList_GET_SIZE( a1 ) )
3013 {
3014 PyObject *o0 = PyList_GetItem( a0, 0 );
3015 PyObject *o1 = PyList_GetItem( a1, 0 );
3016 if ( o0 && o1 )
3017 {
3018 // compare polyline - polyline
3019 if ( sipCanConvertToType( o0, sipType_QgsPointXY, SIP_NOT_NONE ) &&
3020 sipCanConvertToType( o1, sipType_QgsPointXY, SIP_NOT_NONE ) &&
3021 sipCanConvertToType( a0, sipType_QVector_0100QgsPointXY, SIP_NOT_NONE ) &&
3022 sipCanConvertToType( a1, sipType_QVector_0100QgsPointXY, SIP_NOT_NONE ) )
3023 {
3024 QgsPolylineXY *p0;
3025 QgsPolylineXY *p1;
3026 p0 = reinterpret_cast<QgsPolylineXY *>( sipConvertToType( a0, sipType_QVector_0100QgsPointXY, 0, SIP_NOT_NONE, &state0, &sipIsErr ) );
3027 p1 = reinterpret_cast<QgsPolylineXY *>( sipConvertToType( a1, sipType_QVector_0100QgsPointXY, 0, SIP_NOT_NONE, &state1, &sipIsErr ) );
3028 if ( !sipIsErr )
3029 {
3030 sipRes = QgsGeometry::compare( *p0, *p1, a2 );
3031 }
3032 sipReleaseType( p0, sipType_QVector_0100QgsPointXY, state0 );
3033 sipReleaseType( p1, sipType_QVector_0100QgsPointXY, state1 );
3034 }
3035 else if ( PyList_Check( o0 ) && PyList_Check( o1 ) &&
3036 PyList_GET_SIZE( o0 ) && PyList_GET_SIZE( o1 ) )
3037 {
3038 PyObject *oo0 = PyList_GetItem( o0, 0 );
3039 PyObject *oo1 = PyList_GetItem( o1, 0 );
3040 if ( oo0 && oo1 )
3041 {
3042 // compare polygon - polygon
3043 if ( sipCanConvertToType( oo0, sipType_QgsPointXY, SIP_NOT_NONE ) &&
3044 sipCanConvertToType( oo1, sipType_QgsPointXY, SIP_NOT_NONE ) &&
3045 sipCanConvertToType( a0, sipType_QVector_0600QVector_0100QgsPointXY, SIP_NOT_NONE ) &&
3046 sipCanConvertToType( a1, sipType_QVector_0600QVector_0100QgsPointXY, SIP_NOT_NONE ) )
3047 {
3048 QgsPolygonXY *p0;
3049 QgsPolygonXY *p1;
3050 p0 = reinterpret_cast<QgsPolygonXY *>( sipConvertToType( a0, sipType_QVector_0600QVector_0100QgsPointXY, 0, SIP_NOT_NONE, &state0, &sipIsErr ) );
3051 p1 = reinterpret_cast<QgsPolygonXY *>( sipConvertToType( a1, sipType_QVector_0600QVector_0100QgsPointXY, 0, SIP_NOT_NONE, &state1, &sipIsErr ) );
3052 if ( !sipIsErr )
3053 {
3054 sipRes = QgsGeometry::compare( *p0, *p1, a2 );
3055 }
3056 sipReleaseType( p0, sipType_QVector_0600QVector_0100QgsPointXY, state0 );
3057 sipReleaseType( p1, sipType_QVector_0600QVector_0100QgsPointXY, state1 );
3058 }
3059 else if ( PyList_Check( oo0 ) && PyList_Check( oo1 ) &&
3060 PyList_GET_SIZE( oo0 ) && PyList_GET_SIZE( oo1 ) )
3061 {
3062 PyObject *ooo0 = PyList_GetItem( oo0, 0 );
3063 PyObject *ooo1 = PyList_GetItem( oo1, 0 );
3064 if ( ooo0 && ooo1 )
3065 {
3066 // compare multipolygon - multipolygon
3067 if ( sipCanConvertToType( ooo0, sipType_QgsPointXY, SIP_NOT_NONE ) &&
3068 sipCanConvertToType( ooo1, sipType_QgsPointXY, SIP_NOT_NONE ) &&
3069 sipCanConvertToType( a0, sipType_QVector_0600QVector_0600QVector_0100QgsPointXY, SIP_NOT_NONE ) &&
3070 sipCanConvertToType( a1, sipType_QVector_0600QVector_0600QVector_0100QgsPointXY, SIP_NOT_NONE ) )
3071 {
3074 p0 = reinterpret_cast<QgsMultiPolygonXY *>( sipConvertToType( a0, sipType_QVector_0600QVector_0600QVector_0100QgsPointXY, 0, SIP_NOT_NONE, &state0, &sipIsErr ) );
3075 p1 = reinterpret_cast<QgsMultiPolygonXY *>( sipConvertToType( a1, sipType_QVector_0600QVector_0600QVector_0100QgsPointXY, 0, SIP_NOT_NONE, &state1, &sipIsErr ) );
3076 if ( !sipIsErr )
3077 {
3078 sipRes = QgsGeometry::compare( *p0, *p1, a2 );
3079 }
3080 sipReleaseType( p0, sipType_QVector_0600QVector_0600QVector_0100QgsPointXY, state0 );
3081 sipReleaseType( p1, sipType_QVector_0600QVector_0600QVector_0100QgsPointXY, state1 );
3082 }
3083 }
3084 }
3085 }
3086 }
3087 }
3088 }
3089 }
3090 % End
3091#endif
3092
3108 QgsGeometry smooth( unsigned int iterations = 1, double offset = 0.25,
3109 double minimumDistance = -1.0, double maxAngle = 180.0 ) const;
3110
3151
3157 static void convertPointList( const QVector<QgsPointXY> &input, QgsPointSequence &output );
3158
3164 static void convertPointList( const QgsPointSequence &input, QVector<QgsPointXY> &output );
3165
3167 operator QVariant() const
3168 {
3169 return QVariant::fromValue( *this );
3170 }
3171
3172 private:
3173
3174 QgsGeometryPrivate *d; //implicitly shared data pointer
3175
3177 mutable QString mLastError;
3178
3183 void detach();
3184
3189 void reset( std::unique_ptr< QgsAbstractGeometry > newGeometry );
3190
3191 static void convertPolygon( const QgsPolygon &input, QgsPolygonXY &output );
3192
3194 QgsGeometry convertToPoint( bool destMultipart ) const;
3196 QgsGeometry convertToLine( bool destMultipart ) const;
3198 QgsGeometry convertToPolygon( bool destMultipart ) const;
3199
3211 std::unique_ptr< QgsLineString > smoothLine( const QgsLineString &line, unsigned int iterations = 1, double offset = 0.25,
3212 double minimumDistance = -1, double maxAngle = 180.0 ) const;
3213
3225 std::unique_ptr< QgsPolygon > smoothPolygon( const QgsPolygon &polygon, unsigned int iterations = 1, double offset = 0.25,
3226 double minimumDistance = -1, double maxAngle = 180.0 ) const;
3227
3228
3230
3231}; // class QgsGeometry
3232
3234
3235
3236CORE_EXPORT QDataStream &operator<<( QDataStream &out, const QgsGeometry &geometry );
3238CORE_EXPORT QDataStream &operator>>( QDataStream &in, QgsGeometry &geometry );
3239
3240#endif
The Qgis class provides global constants for use throughout the application.
Definition qgis.h:54
@ CounterClockwise
Counter-clockwise direction.
@ Clockwise
Clockwise direction.
GeometryOperationResult
Success or failure of a geometry operation.
Definition qgis.h:2005
QFlags< GeometryValidityFlag > GeometryValidityFlags
Geometry validity flags.
Definition qgis.h:2038
GeometryValidationEngine
Available engines for validating geometries.
Definition qgis.h:2047
@ QgisInternal
Use internal QgsGeometryValidator method.
@ SkipEmptyInteriorRings
Skip any empty polygon interior ring.
QFlags< GeosCreationFlag > GeosCreationFlags
Geos geometry creation behavior flags.
Definition qgis.h:2108
GeometryType
The geometry types are used to group Qgis::WkbType in a coarse way.
Definition qgis.h:337
@ Polygon
Polygons.
@ Unknown
Unknown types.
WkbType
The WKB type describes the number of dimensions a geometry has.
Definition qgis.h:256
@ Unknown
Unknown.
TransformDirection
Indicates the direction (forward or inverse) of a transform.
Definition qgis.h:2619
@ Forward
Forward transform (from source to destination)
The part_iterator class provides STL-style iterator for const references to geometry parts.
The part_iterator class provides STL-style iterator for geometry parts.
The vertex_iterator class provides STL-style iterator for vertices.
Abstract base class for all geometries.
SegmentationToleranceType
Segmentation tolerance as maximum angle or maximum difference between approximation and circle.
@ MaximumAngle
Maximum angle between generating radii (lines from arc center to output vertices)
virtual const QgsAbstractGeometry * simplifiedTypeRef() const
Returns a reference to the simplest lossless representation of this geometry, e.g.
QFlags< WkbFlag > WkbFlags
Qgis::WkbType wkbType() const
Returns the WKB type of the geometry.
A 3-dimensional box composed of x, y, z coordinates.
Definition qgsbox3d.h:43
A const WKB pointer.
Definition qgswkbptr.h:138
Class for doing transforms between two map coordinate systems.
Custom exception class for Coordinate Reference System related exceptions.
Abstract base class for curved geometry type.
Definition qgscurve.h:35
Base class for feedback objects to be used for cancellation of something running in a worker thread.
Definition qgsfeedback.h:44
Java-style iterator for const traversal of parts of a geometry.
A geometry engine is a low-level representation of a QgsAbstractGeometry object, optimised for use wi...
Encapsulates parameters under which a geometry operation is performed.
double gridSize() const
Returns the grid size which will be used to snap vertices of a geometry.
void setGridSize(double size)
Sets the grid size which will be used to snap vertices of a geometry.
Java-style iterator for traversal of parts of a geometry.
A geometry error.
Error(const QString &m)
Error(const QString &m, const QgsPointXY &p)
bool operator==(const QgsGeometry::Error &other) const
A geometry is the spatial representation of a feature.
QVector< QgsPointXY > randomPointsInPolygon(int count, const std::function< bool(const QgsPointXY &) > &acceptPoint, unsigned long seed=0, QgsFeedback *feedback=nullptr, int maxTriesPerPoint=0) const
Returns a list of count random points generated inside a (multi)polygon geometry (if acceptPoint is s...
QVector< QgsPointXY > randomPointsInPolygon(int count, unsigned long seed=0, QgsFeedback *feedback=nullptr) const
Returns a list of count random points generated inside a (multi)polygon geometry.
static bool compare(const QgsPolylineXY &p1, const QgsPolylineXY &p2, double epsilon=4 *std::numeric_limits< double >::epsilon())
Compares two polylines for equality within a specified tolerance.
bool isPolygonClockwise() const
Returns True if the Polygon is clockwise.
This class offers geometry processing methods.
Line string geometry type, with support for z-dimension and m-values.
Perform transforms between map coordinates and device coordinates.
Custom exception class which is raised when an operation is not supported.
A class to represent a 2D point.
Definition qgspointxy.h:60
Point geometry type, with support for z-dimension and m-values.
Definition qgspoint.h:49
Polygon geometry type.
Definition qgspolygon.h:33
A rectangle specified with double values.
Represents a vector layer which manages a vector based data sets.
Java-style iterator for traversal of vertices of a geometry.
static Qgis::GeometryType geometryType(Qgis::WkbType type)
Returns the geometry type for a WKB type, e.g., both MultiPolygon and CurvePolygon would have a Polyg...
static bool isMultiType(Qgis::WkbType type)
Returns true if the WKB type is a multi type.
static QString displayString(Qgis::WkbType type)
Returns a non-translated display string type for a WKB type, e.g., the geometry name used in WKT geom...
static Qgis::WkbType flatType(Qgis::WkbType type)
Returns the flat type for a WKB type.
const double DEFAULT_SEGMENT_EPSILON
Default snapping tolerance for segments.
Definition qgis.h:6742
#define SIP_TYPEHINT(type)
Definition qgis_sip.h:232
#define SIP_IN
Definition qgis_sip.h:63
#define SIP_DEPRECATED
Definition qgis_sip.h:106
#define SIP_SKIP
Definition qgis_sip.h:126
#define SIP_PYNAME(name)
Definition qgis_sip.h:81
#define SIP_PYARGREMOVE
Definition qgis_sip.h:151
#define SIP_TRANSFER
Definition qgis_sip.h:36
#define SIP_OUT
Definition qgis_sip.h:58
#define SIP_HOLDGIL
Definition qgis_sip.h:171
#define SIP_FACTORY
Definition qgis_sip.h:76
#define SIP_THROW(name,...)
Definition qgis_sip.h:203
QVector< QgsPoint > QgsPointSequence
Q_DECLARE_METATYPE(QgsDatabaseQueryLogEntry)
qint64 QgsFeatureId
64 bit feature ids negative numbers are used for uncommitted/newly added features
QVector< QgsPolylineXY > QgsPolygonXY
Polygon: first item of the list is outer ring, inner rings (if any) start from second item.
Definition qgsgeometry.h:74
CORE_EXPORT QDataStream & operator>>(QDataStream &in, QgsGeometry &geometry)
Reads a geometry from stream in into geometry. QGIS version compatibility is not guaranteed.
CORE_EXPORT QDataStream & operator<<(QDataStream &out, const QgsGeometry &geometry)
Writes the geometry to stream out. QGIS version compatibility is not guaranteed.
QVector< QgsPolylineXY > QgsMultiPolylineXY
A collection of QgsPolylines that share a common collection of attributes.
Definition qgsgeometry.h:84
QVector< QgsPointXY > QgsMultiPointXY
A collection of QgsPoints that share a common collection of attributes.
Definition qgsgeometry.h:80
QVector< QgsPointXY > QgsPolylineXY
Polyline as represented as a vector of two-dimensional points.
Definition qgsgeometry.h:62
QVector< QgsPolygonXY > QgsMultiPolygonXY
A collection of QgsPolygons that share a common collection of attributes.
Definition qgsgeometry.h:91
QgsPointSequence QgsPolyline
Polyline as represented as a vector of points.
Definition qgsgeometry.h:70
int precision
Utility class for identifying a unique vertex within a geometry.
Definition qgsvertexid.h:30