25QString QgsFixGeometriesAlgorithm::name()
const
27 return QStringLiteral(
"fixgeometries" );
30QString QgsFixGeometriesAlgorithm::displayName()
const
32 return QObject::tr(
"Fix geometries" );
35QStringList QgsFixGeometriesAlgorithm::tags()
const
37 return QObject::tr(
"repair,invalid,geometry,make,valid,error" ).split(
',' );
40QString QgsFixGeometriesAlgorithm::group()
const
42 return QObject::tr(
"Vector geometry" );
45QString QgsFixGeometriesAlgorithm::groupId()
const
47 return QStringLiteral(
"vectorgeometry" );
55QString QgsFixGeometriesAlgorithm::outputName()
const
57 return QObject::tr(
"Fixed geometries" );
65QString QgsFixGeometriesAlgorithm::shortHelpString()
const
67 return QObject::tr(
"This algorithm attempts to create a valid representation of a given invalid geometry without "
68 "losing any of the input vertices. Already-valid geometries are returned without further intervention. "
69 "Always outputs multi-geometry layer.\n\n"
70 "NOTE: M values will be dropped from the output." );
73QgsFixGeometriesAlgorithm *QgsFixGeometriesAlgorithm::createInstance()
const
75 return new QgsFixGeometriesAlgorithm();
78bool QgsFixGeometriesAlgorithm::supportInPlaceEdit(
const QgsMapLayer *l )
const
80 const QgsVectorLayer *layer = qobject_cast< const QgsVectorLayer * >( l );
90void QgsFixGeometriesAlgorithm::initParameters(
const QVariantMap & )
92 std::unique_ptr< QgsProcessingParameterEnum> methodParameter = std::make_unique< QgsProcessingParameterEnum >(
93 QStringLiteral(
"METHOD" ),
94 QObject::tr(
"Repair method" ),
95 QStringList{ QObject::tr(
"Linework" ), QObject::tr(
"Structure" ) },
98#if GEOS_VERSION_MAJOR==3 && GEOS_VERSION_MINOR<10
99 methodParameter->setDefaultValue( 0 );
101 methodParameter->setDefaultValue( 1 );
103 addParameter( methodParameter.release() );
108 mMethod =
static_cast< Qgis::MakeValidMethod>( parameterAsInt( parameters, QStringLiteral(
"METHOD" ), context ) );
109#if GEOS_VERSION_MAJOR==3 && GEOS_VERSION_MINOR<10
112 throw QgsProcessingException( QObject::tr(
"The structured method to make geometries valid requires a QGIS build based on GEOS 3.10 or later" ) );
126 if ( outputGeometry.
isNull() )
128 feedback->
pushInfo( QObject::tr(
"makeValid failed for feature %1 " ).arg( feature.
id() ) );
138 QVector< QgsGeometry > matchingParts;
144 if ( !matchingParts.empty() )
MakeValidMethod
Algorithms to use when repairing invalid geometries.
@ Structure
Structured method, first makes all rings valid and then merges shells and subtracts holes from shells...
@ SkipGeometryValidityChecks
Invalid geometry checks should always be skipped. This flag can be useful for algorithms which always...
WkbType
The WKB type describes the number of dimensions a geometry has.
@ GeometryCollection
GeometryCollection.
QFlags< ProcessingFeatureSourceFlag > ProcessingFeatureSourceFlags
Flags which control how QgsProcessingFeatureSource fetches features.
The feature class encapsulates a single feature including its unique ID, geometry and a list of field...
void clearGeometry()
Removes any geometry associated with the feature.
bool hasGeometry() const
Returns true if the feature has an associated geometry.
void setGeometry(const QgsGeometry &geometry)
Set the feature's geometry.
A geometry is the spatial representation of a feature.
static QgsGeometry collectGeometry(const QVector< QgsGeometry > &geometries)
Creates a new multipart geometry from a list of QgsGeometry objects.
QgsGeometry makeValid(Qgis::MakeValidMethod method=Qgis::MakeValidMethod::Linework, bool keepCollapsed=false) const
Attempts to make an invalid geometry valid without losing vertices.
QVector< QgsGeometry > asGeometryCollection() const
Returns contents of the geometry as a list of geometries.
bool convertToMultiType()
Converts single type geometry into multitype geometry e.g.
Qgis::WkbType wkbType() const
Returns type of the geometry as a WKB type (point / linestring / polygon etc.)
Base class for all map layer types.
Contains information about the context in which a processing algorithm is executed.
Custom exception class for processing related exceptions.
bool supportInPlaceEdit(const QgsMapLayer *layer) const override
Checks whether this algorithm supports in-place editing on the given layer Default implementation for...
Base class for providing feedback from a processing algorithm.
virtual void pushInfo(const QString &info)
Pushes a general informational message from the algorithm.
Represents a vector layer which manages a vector based data sets.
bool isSpatial() const FINAL
Returns true if this is a geometry layer and false in case of NoGeometry (table only) or UnknownGeome...
Q_INVOKABLE Qgis::WkbType wkbType() const FINAL
Returns the WKBType or WKBUnknown in case of error.
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 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 promoteNonPointTypesToMulti(Qgis::WkbType type)
Promotes a WKB geometry type to its multi-type equivalent, with the exception of point geometry types...
static bool hasM(Qgis::WkbType type)
Tests whether a WKB type contains m values.
static Qgis::WkbType flatType(Qgis::WkbType type)
Returns the flat type for a WKB type.
QList< QgsFeature > QgsFeatureList