Qgsprocessingfeaturesource

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August undefined, 2024

WebApr 12, 2024 · Enumerator; TypeMapLayer Any map layer type (raster, vector, mesh, point cloud, annotation or plugin layer) TypeVectorAnyGeometry Any vector layer with geometry. WebFeb 17, 2024 · I've then set the filter expression of the QgsFeatureRequest () object and passed attempted to get features as below and getFeatures () should return a QgsFeatureIterator: roadsRequest.setFilterExpression (roadsExpression) roadsFeatures = roadsSource.getFeatures (roadsRequest)

QGIS API Documentation: QgsProcessingFeatureSource Class …

WebMar 4, 2015 · QgsFeatureSource subclass which proxies methods to an underlying QgsFeatureSource, modifying results according to the settings in a QgsProcessingContext. Since QGIS 3.0 Definition at line 305 of file qgsprocessingutils.h. Member Enumeration Documentation enum QgsProcessingFeatureSource::Flag WebMar 12, 2024 · It can have any kind of # geometry. self.addParameter ( QgsProcessingParameterFeatureSource ( self.INPUT, self.tr ('Input layer'), [QgsProcessing.TypeVectorAnyGeometry] ) ) # We add a feature sink in which to store our processed features (this # usually takes the form of a newly created vector layer when the … chesapeake city md shopping

QGIS API Documentation: QgsProcessingFeatureSource Class …

WebJan 8, 2013 · QgsProcessingFeatureSource* source = nullptr) const -> QgsExpressionContext Creates an expression context relating to the algorithm. auto destinationParameterDefinitions() const -> QgsProcessingParameterDefinitions Returns a list of destination parameters definitions utilized by the algorithm. WebMar 4, 2015 · QgsFeatureSource subclass which proxies methods to an underlying QgsFeatureSource, modifying results according to the settings in a … WebApr 14, 2012 · Class: QgsProcessingParameterFeatureSource¶ class qgis.core.QgsProcessingParameterFeatureSource (name: str, description: str = '', types: … chesapeake city md town hall

QGIS API Documentation: QgsProcessingAlgorithm Class Reference

Qgsprocessingfeaturesource

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WebJul 21, 2024 · Constructor for QgsProcessingFeatureSource, accepting an original feature source originalSource and processing context. Ownership of originalSource is dictated by ownsOriginalSource . If ownsOriginalSource is False , ownership is not transferred, and callers must ensure that originalSource exists for the lifetime of this object. WebApr 14, 2012 · class qgis.core.QgsProcessingFeatureSource (originalSource: QgsFeatureSource, context: QgsProcessingContext, ownsOriginalSource: bool = False) ¶ …

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WebJan 8, 2013 · Implemented in QgsVectorLayer, QgsProcessingFeatureSource, QgsVectorLayerSelectedFeatureSource, and QgsVectorDataProvider. materialize () Materializes a request (query) made against this feature source, by running it over the source and returning a new memory based vector layer containing the result. WebMar 21, 2024 · Constructor for QgsProcessingFeatureSource, accepting an original feature source originalSource and processing context.. Ownership of originalSource is dictated by …

WebJan 8, 2013 · QgsProcessingFeatureSource* QgsProcessingAlgorithm:: parameterAsSource(const QVariantMap& parameters, const QString& name, … WebConstructor for QgsProcessingFeatureSource, accepting an original feature source originalSource and processing context. More... ~QgsProcessingFeatureSource override …

WebDec 15, 2024 · 1 Answer Sorted by: 12 Add QgsProcessingUtils to imports. from qgis.core import QgsProcessingUtils After adding features, use … WebQGIS is a free, open source, cross platform (lin/win/mac) geographical information system (GIS) - QGIS/qgsprocessingalgorithm.cpp at master · qgis/QGIS

WebFeb 17, 2024 · I've then set the filter expression of the QgsFeatureRequest () object and passed attempted to get features as below and getFeatures () should return a …

WebQgsProcessingFeatureSource (QgsFeatureSource *originalSource, const QgsProcessingContext &context, bool ownsOriginalSource=false, long long featureLimit=-1) Constructor for QgsProcessingFeatureSource , accepting an original feature source originalSource and processing context . chesapeake city md bridgeWebMar 4, 2015 · QgsProcessingFeatureSource * parameterAsSource (const QVariantMap &parameters, const QString &name, QgsProcessingContext &context) const Evaluates the … flights to zipoliteWebMar 4, 2015 · QgsProcessingAlgorithm Class Reference abstract core library Abstract base class for processing algorithms. More... #include < qgsprocessingalgorithm.h > Inheritance diagram for QgsProcessingAlgorithm: [ legend] Detailed Description Abstract base class for processing algorithms. chesapeake city md governmentWebClass: QgsProcessingFeatureSource 3.10 Contents: core Class: Capabilities Class: ColorrampFavoriteId Class: ColorrampId Class: ColorrampName Class: ColorrampTable Class: ColorrampXML Class: DEFAULT_LINE_WIDTH Class: DEFAULT_POINT_SIZE Class: DEFAULT_SEGMENT_EPSILON Class: Filters Class: Flags Class: GEOCRS_ID Class: … flights to zimbabwe from richmond vaWebQgsProcessingFeatureSource, NULL) from qgis. PyQt. QtCore import QVariant: from processing. algs. qgis. QgisAlgorithm import QgisAlgorithm: from collections import … chesapeake city md weather forecastWebProduct Solutions Open Source Pricing Sign in Sign up root676 / QNEAT3 Public Notifications Fork 12 Star 56 Code Issues 31 Pull requests 1 Actions Projects Security Insights master QNEAT3/algs/ShortestPathBetweenPoints.py Go to file Cannot retrieve contributors at this time 286 lines (233 sloc) 15.2 KB Raw Blame chesapeake city md hotels on waterWebApr 5, 2024 · QgsProcessingFeatureSource () Constructor for QgsProcessingFeatureSource, accepting an original feature source originalSource and … flights to zizhong county