seems to work with different geometries

src/EventAction.cc

@@ -40,6 +40,7 @@
 
 #include "Randomize.hh"
 #include <iomanip>
+#include "DetectorConstruction.hh"
 
 namespace B4a
 {
@@ -48,6 +49,7 @@ namespace B4a
 
 void EventAction::BeginOfEventAction(const G4Event* /*event*/)
 {
+  auto cw = B4::DetectorConstruction::getDetectorConstruction()->getConstructionWrapper();
   // initialisation per event
   if(cw == nullptr){
     G4cout << "ConstructionWrapper not found" << G4endl;
@@ -82,7 +84,7 @@ void EventAction::EndOfEventAction(const G4Event* event)
 
   // get analysis manager
   auto analysisManager = G4AnalysisManager::Instance();
-
+  auto cw = B4::DetectorConstruction::getDetectorConstruction()->getConstructionWrapper();
 
   //cw->printSensorEnergies();//DEBUG