[Qgis-developer] How to apply intersection of layers in Python plugin script

[jsos]

I would like to run the Geoprocessing script for intersecting GIS layers 
(shape files) from within a python plugin. 
In the Quantum GIS API documentation I found this definition: 

bool QgsOverlayAnalyzer::intersection  ( QgsVectorLayer *  layerA, 
  QgsVectorLayer *  layerB, 
  const QString &  shapefileName, 
  bool  onlySelectedFeatures = false, 
  QProgressDialog *  p = 0 
 ) 

How to translate this to the script ? I'm able to select an output 
shapefileName. How to grab the input files from the map and is the result 
added to the MapCanvas ? 

Thanx. 

Jack Schoenmakers 



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