QGIS API Documentation  3.14.0-Pi (9f7028fd23)
qgsalgorithmdropgeometry.cpp
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1 /***************************************************************************
2  qgsalgorithmdropgeometry.cpp
3  ---------------------
4  begin : April 2017
5  copyright : (C) 2017 by Nyall Dawson
6  email : nyall dot dawson at gmail dot com
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 
19 #include "qgsvectorlayer.h"
20 
22 
23 QString QgsDropGeometryAlgorithm::name() const
24 {
25  return QStringLiteral( "dropgeometries" );
26 }
27 
28 QString QgsDropGeometryAlgorithm::displayName() const
29 {
30  return QObject::tr( "Drop geometries" );
31 }
32 
33 QStringList QgsDropGeometryAlgorithm::tags() const
34 {
35  return QObject::tr( "remove,drop,delete,geometry,objects" ).split( ',' );
36 }
37 
38 QString QgsDropGeometryAlgorithm::group() const
39 {
40  return QObject::tr( "Vector general" );
41 }
42 
43 QString QgsDropGeometryAlgorithm::groupId() const
44 {
45  return QStringLiteral( "vectorgeneral" );
46 }
47 
48 QString QgsDropGeometryAlgorithm::outputName() const
49 {
50  return QObject::tr( "Dropped geometries" );
51 }
52 
53 QString QgsDropGeometryAlgorithm::shortHelpString() const
54 {
55  return QObject::tr( "This algorithm removes any geometries from an input layer and returns a layer containing only the feature attributes." );
56 }
57 
58 QgsDropGeometryAlgorithm *QgsDropGeometryAlgorithm::createInstance() const
59 {
60  return new QgsDropGeometryAlgorithm();
61 }
62 
64 {
66 }
67 
68 bool QgsDropGeometryAlgorithm::supportInPlaceEdit( const QgsMapLayer *l ) const
69 {
70  return qobject_cast< const QgsVectorLayer * >( l );
71 }
72 
73 QgsWkbTypes::Type QgsDropGeometryAlgorithm::outputWkbType( QgsWkbTypes::Type ) const
74 {
76 }
77 
78 QgsProcessingFeatureSource::Flag QgsDropGeometryAlgorithm::sourceFlags() const
79 {
81 }
82 
83 QgsFeatureRequest QgsDropGeometryAlgorithm::request() const
84 {
86 }
87 
88 QgsFeatureList QgsDropGeometryAlgorithm::processFeature( const QgsFeature &feature, QgsProcessingContext &, QgsProcessingFeedback * )
89 {
90  QgsFeature f = feature;
91  f.clearGeometry();
92  return QgsFeatureList() << f;
93 }
94 
QgsFeatureRequest::NoGeometry
@ NoGeometry
Geometry is not required. It may still be returned if e.g. required for a filter condition.
Definition: qgsfeaturerequest.h:107
outputCrs
const QgsCoordinateReferenceSystem & outputCrs
Definition: qgswfsgetfeature.cpp:115
QgsProcessingFeedback
Definition: qgsprocessingfeedback.h:37
QgsProcessingFeatureSource::FlagSkipGeometryValidityChecks
@ FlagSkipGeometryValidityChecks
Invalid geometry checks should always be skipped. This flag can be useful for algorithms which always...
Definition: qgsprocessingutils.h:475
QgsWkbTypes::Type
Type
The WKB type describes the number of dimensions a geometry has.
Definition: qgswkbtypes.h:68
QgsFeature::clearGeometry
void clearGeometry()
Removes any geometry associated with the feature.
Definition: qgsfeature.cpp:151
QgsFeatureRequest
Definition: qgsfeaturerequest.h:75
QgsProcessingContext
Definition: qgsprocessingcontext.h:43
QgsFeatureList
QList< QgsFeature > QgsFeatureList
Definition: qgsfeature.h:572
QgsCoordinateReferenceSystem
Definition: qgscoordinatereferencesystem.h:206
qgsalgorithmdropgeometry.h
qgsvectorlayer.h
QgsProcessingFeatureSource::Flag
Flag
Flags controlling how QgsProcessingFeatureSource fetches features.
Definition: qgsprocessingutils.h:473
QgsWkbTypes::NoGeometry
@ NoGeometry
Definition: qgswkbtypes.h:84
QgsMapLayer
Definition: qgsmaplayer.h:81
QgsFeature
Definition: qgsfeature.h:55
QgsFeatureRequest::setFlags
QgsFeatureRequest & setFlags(QgsFeatureRequest::Flags flags)
Sets flags that affect how features will be fetched.
Definition: qgsfeaturerequest.cpp:184