How can i detect the number of polygon is drawed in a edit session in QGIS

Question

I am working with qgis 1.8 and i want to know how many polygon drawed in one edit sessions is there any signal emitted with qgis ???

Nathan W · Accepted Answer · 2013-07-02 09:41:54Z

1

The signal QgsVectorLayer.featureAdded( QgsFeatureId fid ) is emitted whenever a new feature is added to the layer.

If you have to group the count by edit sessions you can also connect to the signals editingStarted and editingStopped.

Use like:

layer.featureAdded.connect(yourhandlermethod)

Nathan W

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answered Jul 2, 2013 at 9:01

Matthias Kuhn

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Thank you for your answer so in python i have: layer = qgis.utils.iface.activeLayer() i can use it like this : layer.featureAdded( QgsFeatureId fid ) ?
– Zaghouani
Commented Jul 2, 2013 at 9:18
i obtaint this error : native Qt signal is not callable
– Zaghouani
Commented Jul 2, 2013 at 9:29
1

See edited answer.
– Nathan W
Commented Jul 2, 2013 at 9:42

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