layer = QgsVectorLayer("/path/to/shapefile.shp", "Original Name", "ogr") options = layer.dataProvider().options() options["layer_name"] = "New Name" options["DataSource"] = "/path/to/new/shapefile.shp" layer.setProviderOptions(options)
layer = iface.activeLayer() options = layer.rendererOptions() filter_expression = QgsExpression("field_name = 10") options.widgetSetup().setExpression(filter_expression) layer.setRendererOptions(options)This code example demonstrates how to apply a filter to a selected feature by accessing and modifying the layer's `rendererOptions()`. Here, we set a filter to only show features where field_name equals 10. In conclusion, the QgsVectorLayer LayerOptions is a class in the qgis.core library that allows users to manipulate various options related to a vector layer in QGIS. The examples shown above demonstrate the flexibility and usefulness of this class in customizing layer behavior and appearance.