garonne_1.SetName( "garonne_1" )
garonne_1.SetAssignmentMode( HYDROData_CalculationCase.MANUAL )
-garonne_1.SetAssignmentLandCoverMode( HYDROData_CalculationCase.AUTOMATIC )
garonne_1.AddGeometryObject( litMineur )
garonne_1.AddGeometryObject( domaineEtendu )
garonne_1.AddGeometryObject( litMajeur )