QGIS API Documentation 3.36.0-Maidenhead (09951dc0acf)
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qgswkbtypes.h
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1/***************************************************************************
2 qgswkbtypes.h
3 -----------------------
4 begin : January 2015
5 copyright : (C) 2015 by Marco Hugentobler
6 email : marco at sourcepole dot ch
7 ***************************************************************************/
8
9/***************************************************************************
10 * *
11 * This program is free software; you can redistribute it and/or modify *
12 * it under the terms of the GNU General Public License as published by *
13 * the Free Software Foundation; either version 2 of the License, or *
14 * (at your option) any later version. *
15 * *
16 ***************************************************************************/
17
18#ifndef QGSWKBTYPES_H
19#define QGSWKBTYPES_H
20
21#include <QObject>
22#include <QMap>
23#include <QString>
24
25#include "qgis_core.h"
26#include "qgis_sip.h"
27#include "qgis.h"
28
29/***************************************************************************
30 * This class is considered CRITICAL and any change MUST be accompanied with
31 * full unit tests in testqgsstatisticalsummary.cpp.
32 * See details in QEP #17
33 ****************************************************************************/
34
41class CORE_EXPORT QgsWkbTypes
42{
43 Q_GADGET
44 public:
45
54 {
55 switch ( type )
56 {
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113 // case MultiTriangle:
115
117 // case MultiTriangleZ:
119
121 // case MultiTriangleM:
123
125 // case MultiTriangleZM:
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187 }
189 }
190
201 {
202 switch ( type )
203 {
206
207 // until we support TIN types, use multipolygon
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330 }
332 }
333
334
348 {
349 switch ( geometryType( type ) )
350 {
354 return type;
355
358 return multiType( type );
359 }
361 }
362
378 {
379 switch ( type )
380 {
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502 }
504 }
505
519 {
520 switch ( type )
521 {
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615 return type;
616
617 }
619 }
620
629 {
630 switch ( type )
631 {
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721
722 }
724 }
725
727 static Qgis::WkbType zmType( Qgis::WkbType type, bool hasZ, bool hasM ) SIP_HOLDGIL
728 {
729 type = flatType( type );
730 if ( hasZ )
731 type = static_cast<Qgis::WkbType>( static_cast<quint32>( type ) + 1000 );
732 if ( hasM )
733 type = static_cast<Qgis::WkbType>( static_cast<quint32>( type ) + 2000 );
734 return type;
735 }
736
741 static Qgis::WkbType parseType( const QString &wktStr );
742
749 {
750 return ( type != Qgis::WkbType::Unknown && !isMultiType( type ) );
751 }
752
802
807 {
808 switch ( flatType( type ) )
809 {
815 return true;
816
817 default:
818 return false;
819 }
820 }
821
830 {
831 const Qgis::GeometryType gtype = geometryType( type );
832 switch ( gtype )
833 {
835 return 1;
837 return 2;
838 default: //point, no geometry, unknown geometry
839 return 0;
840 }
841 }
842
850 {
851 if ( type == Qgis::WkbType::Unknown || type == Qgis::WkbType::NoGeometry )
852 return 0;
853
854 return 2 + hasZ( type ) + hasM( type );
855 }
856
863 {
864 switch ( type )
865 {
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932
935 }
936
938 }
939
943 static QString displayString( Qgis::WkbType type ) SIP_HOLDGIL;
944
950 static QString translatedDisplayString( Qgis::WkbType type ) SIP_HOLDGIL;
951
965 static QString geometryDisplayString( Qgis::GeometryType type ) SIP_HOLDGIL;
966
1016
1060
1069 {
1070 if ( hasZ( type ) )
1071 return type;
1072 else if ( type == Qgis::WkbType::Unknown )
1074 else if ( type == Qgis::WkbType::NoGeometry )
1076
1077 //upgrade with z dimension
1078 const Qgis::WkbType flat = flatType( type );
1079 if ( hasM( type ) )
1080 return static_cast< Qgis::WkbType >( static_cast< quint32>( flat ) + 3000 );
1081 else
1082 return static_cast<Qgis::WkbType >( static_cast< quint32>( flat ) + 1000 );
1083 }
1084
1093 {
1094 if ( hasM( type ) )
1095 return type;
1096 else if ( type == Qgis::WkbType::Unknown )
1098 else if ( type == Qgis::WkbType::NoGeometry )
1100 else if ( type == Qgis::WkbType::Point25D )
1102 else if ( type == Qgis::WkbType::LineString25D )
1104 else if ( type == Qgis::WkbType::Polygon25D )
1106 else if ( type == Qgis::WkbType::MultiPoint25D )
1108 else if ( type == Qgis::WkbType::MultiLineString25D )
1110 else if ( type == Qgis::WkbType::MultiPolygon25D )
1112
1113 //upgrade with m dimension
1114 const Qgis::WkbType flat = flatType( type );
1115 if ( hasZ( type ) )
1116 return static_cast< Qgis::WkbType >( static_cast< quint32 >( flat ) + 3000 );
1117 else
1118 return static_cast< Qgis::WkbType >( static_cast< quint32 >( flat ) + 2000 );
1119 }
1120
1128 {
1129 if ( !hasZ( type ) )
1130 return type;
1131
1132 Qgis::WkbType returnType = flatType( type );
1133 if ( hasM( type ) )
1134 returnType = addM( returnType );
1135 return returnType;
1136 }
1137
1145 {
1146 if ( !hasM( type ) )
1147 return type;
1148
1149 Qgis::WkbType returnType = flatType( type );
1150 if ( hasZ( type ) )
1151 returnType = addZ( returnType );
1152 return returnType;
1153 }
1154
1161 {
1162 const Qgis::WkbType flat = flatType( type );
1163
1164 if ( static_cast< quint32 >( flat ) >= static_cast< quint32>( Qgis::WkbType::Point ) && static_cast< quint32 >( flat ) <= static_cast< quint32>( Qgis::WkbType::MultiPolygon ) )
1165 return static_cast< Qgis::WkbType >( static_cast< quint32 >( flat ) + 0x80000000U );
1166 else if ( type == Qgis::WkbType::NoGeometry )
1168 else
1170 }
1171
1172};
1173
1174#endif // QGSWKBTYPES_H
GeometryType
The geometry types are used to group Qgis::WkbType in a coarse way.
Definition qgis.h:255
@ Polygon
Polygons.
@ Unknown
Unknown types.
@ Null
No geometry.
WkbType
The WKB type describes the number of dimensions a geometry has.
Definition qgis.h:182
@ LineString25D
LineString25D.
@ MultiSurfaceM
MultiSurfaceM.
@ MultiLineStringZM
MultiLineStringZM.
@ MultiPointZM
MultiPointZM.
@ MultiPointZ
MultiPointZ.
@ CompoundCurve
CompoundCurve.
@ MultiPolygonZM
MultiPolygonZM.
@ LineStringM
LineStringM.
@ LineString
LineString.
@ MultiLineStringM
MultiLineStringM.
@ MultiPolygon25D
MultiPolygon25D.
@ MultiPointM
MultiPointM.
@ MultiPoint
MultiPoint.
@ LineStringZM
LineStringZM.
@ GeometryCollectionZM
GeometryCollectionZM.
@ TriangleZ
TriangleZ.
@ Polygon
Polygon.
@ CompoundCurveZM
CompoundCurveZM.
@ CompoundCurveM
CompoundCurveM.
@ MultiLineString25D
MultiLineString25D.
@ MultiPolygon
MultiPolygon.
@ GeometryCollectionZ
GeometryCollectionZ.
@ GeometryCollectionM
GeometryCollectionM.
@ CircularStringZM
CircularStringZM.
@ Triangle
Triangle.
@ PolygonM
PolygonM.
@ NoGeometry
No geometry.
@ MultiSurfaceZ
MultiSurfaceZ.
@ CurvePolygonZM
CurvePolygonZM.
@ MultiLineString
MultiLineString.
@ MultiPolygonM
MultiPolygonM.
@ MultiCurveZM
MultiCurveZM.
@ MultiSurfaceZM
MultiSurfaceZM.
@ PolygonZM
PolygonZM.
@ MultiPoint25D
MultiPoint25D.
@ Unknown
Unknown.
@ PointM
PointM.
@ CurvePolygonM
CurvePolygonM.
@ CircularString
CircularString.
@ PointZ
PointZ.
@ TriangleZM
TriangleZM.
@ MultiLineStringZ
MultiLineStringZ.
@ GeometryCollection
GeometryCollection.
@ MultiPolygonZ
MultiPolygonZ.
@ CurvePolygonZ
CurvePolygonZ.
@ MultiCurve
MultiCurve.
@ CompoundCurveZ
CompoundCurveZ.
@ MultiCurveZ
MultiCurveZ.
@ MultiCurveM
MultiCurveM.
@ CircularStringM
CircularStringM.
@ CurvePolygon
CurvePolygon.
@ Point25D
Point25D.
@ PointZM
PointZM.
@ TriangleM
TriangleM.
@ CircularStringZ
CircularStringZ.
@ LineStringZ
LineStringZ.
@ MultiSurface
MultiSurface.
@ PolygonZ
PolygonZ.
@ Polygon25D
Polygon25D.
Handles storage of information regarding WKB types and their properties.
Definition qgswkbtypes.h:42
static Qgis::WkbType dropM(Qgis::WkbType type)
Drops the m dimension (if present) for a WKB type and returns the new type.
static Qgis::WkbType zmType(Qgis::WkbType type, bool hasZ, bool hasM)
Returns the modified input geometry type according to hasZ / hasM.
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 int wkbDimensions(Qgis::WkbType type)
Returns the inherent dimension of the geometry type as an integer.
static Qgis::WkbType to25D(Qgis::WkbType type)
Will convert the 25D version of the flat type if supported or Unknown if not supported.
static Qgis::WkbType linearType(Qgis::WkbType type)
Returns the linear type for a WKB type.
static bool isMultiType(Qgis::WkbType type)
Returns true if the WKB type is a multi type.
static Qgis::WkbType dropZ(Qgis::WkbType type)
Drops the z dimension (if present) for a WKB type and returns the new type.
static Qgis::WkbType parseType(const QString &wktStr)
Attempts to extract the WKB type from a WKT string.
static Qgis::WkbType promoteNonPointTypesToMulti(Qgis::WkbType type)
Promotes a WKB geometry type to its multi-type equivalent, with the exception of point geometry types...
static Qgis::WkbType addM(Qgis::WkbType type)
Adds the m dimension to a WKB type and returns the new type.
static Qgis::WkbType addZ(Qgis::WkbType type)
Adds the z dimension to a WKB type and returns the new type.
static Qgis::WkbType singleType(Qgis::WkbType type)
Returns the single type for a WKB type.
Definition qgswkbtypes.h:53
static bool hasZ(Qgis::WkbType type)
Tests whether a WKB type contains the z-dimension.
static bool hasM(Qgis::WkbType type)
Tests whether a WKB type contains m values.
static Qgis::WkbType multiType(Qgis::WkbType type)
Returns the multi type for a WKB type.
static bool isCurvedType(Qgis::WkbType type)
Returns true if the WKB type is a curved type or can contain curved geometries.
static Qgis::WkbType flatType(Qgis::WkbType type)
Returns the flat type for a WKB type.
static int coordDimensions(Qgis::WkbType type)
Returns the coordinate dimension of the geometry type as an integer.
static bool isSingleType(Qgis::WkbType type)
Returns true if the WKB type is a single type.
static Qgis::WkbType curveType(Qgis::WkbType type)
Returns the curve type for a WKB type.
#define SIP_HOLDGIL
Definition qgis_sip.h:171