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I'm doing different operations on vector layers.

Kindly suggest which class should I use for vector layer i.e QgsVectorLayer or QgsVectorLayerDataProvider.

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1 Answer 1

Please see the following documentation and examples:

http://qgis.org/pyqgis-cookbook/loadlayer.html#vector-layers

and

http://qgis.org/pyqgis-cookbook/vector.html

Use QgsVectorLayer to open GIS files (or database layers) and QgsVectorDataProvider to get access to the features and their attributes.

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