QGIS Python Console

Some quick pointers for using the Python console in QGIS.

1) create reference to a shapefile and open it using OGR

layer = QgsVectorLayer("path\\to\\file.shp", "layer_name_you_like", "ogr")
if not layer.isValid():
 print "FAIL"

2) Render the layer

QgsMapLayerRegistry.instance().addMapLayer(layer)

3) Interrogate the layer

layer = qgis.utils.iface.activeLayer()
layer.getLayerID()
layer.featureCount()

Advertisement