python bindings to be tested (arm vs intep python issues)

include/ActionInitialization.hh

@@ -31,7 +31,7 @@
 #define B4aActionInitialization_h 1
 
 #include "G4VUserActionInitialization.hh"
-
+#include "PrimaryGeneratorAction.hh"
 
 namespace B4
 {
@@ -52,8 +52,17 @@ class ActionInitialization : public G4VUserActionInitialization
     void BuildForMaster() const override;
     void Build() const override;
 
+    void setGeneratorProperties(G4double minEnergy, G4double maxEnergy, G4String partSpecies){
+        this->minEnergy = minEnergy;
+        this->maxEnergy = maxEnergy;
+        this->partSpecies = partSpecies;
+    }
+
   private:
     B4::DetectorConstruction* fDetConstruction = nullptr;
+    G4double minEnergy;
+    G4double maxEnergy;
+    G4String partSpecies;
 };
 
 }

include/SystemBuilder.hh

@@ -0,0 +1,141 @@
+
+#include "ConstructionWrapper.hh"
+#include <stdexcept>
+#include "G4RunManagerFactory.hh"
+#include "DetectorConstruction.hh"
+#include "ActionInitialization.hh"
+
+#include "G4RunManagerFactory.hh"
+#include "G4SteppingVerbose.hh"
+#include "G4UIcommand.hh"
+#include "G4UImanager.hh"
+#include "G4UIExecutive.hh"
+#include "G4VisExecutive.hh"
+
+#include "FTFP_BERT.hh"
+#include "Randomize.hh"
+
+class SystemBuilder{
+public:
+
+SystemBuilder(){};
+~SystemBuilder(){
+    if(visManager != nullptr){
+    delete visManager;
+    delete runManager;
+    delete ui;
+}
+};
+
+
+void init(ConstructionWrapper &cw, bool gui=false);
+void visualize()const{} //TBI
+void run_gui();
+void run_batch(int nEvents, std::string partSpecies, double minEnergy, double maxEnergy);
+
+private:
+
+inline void check(){
+   if(runManager == nullptr){
+       throw std::runtime_error("runManager not found");
+   }
+   if(detConstruction == nullptr){
+       throw std::runtime_error("DetectorConstruction not found");
+   }
+   if(actionInitialization == nullptr){
+       throw std::runtime_error("ActionInitialization not found");
+   }
+   if(visManager == nullptr){
+       throw std::runtime_error("VisManager not found");
+   }
+   if(UImanager == nullptr){
+       throw std::runtime_error("UImanager not found");
+   }
+   if(ui == nullptr){
+       throw std::runtime_error("UI not found");
+   }
+   }
+
+
+G4RunManager * runManager=nullptr;
+B4::DetectorConstruction * detConstruction=nullptr;
+B4a::ActionInitialization * actionInitialization=nullptr;
+G4VisExecutive * visManager=nullptr;
+G4UImanager * UImanager=nullptr;
+G4UIExecutive * ui=nullptr;
+
+};
+
+/*
+
+
+void run(ConstructionWrapper CW, int nEvents, std::string partSpecies, double minEnergy, double maxEnergy, bool gui=false){
+
+  char* argv[]={(char*)"dummy"};
+
+  // Construct the default run manager
+  //
+  auto* runManager =
+    G4RunManagerFactory::CreateRunManager(G4RunManagerType::Default);
+  runManager->SetNumberOfThreads(1);
+
+  ConstructionWrapper * cw = &CW;
+  G4String session;
+  G4UIExecutive* ui = nullptr;
+  if ( gui ) {
+    ui = new G4UIExecutive((int)1, argv, session);
+  }
+
+  // Set mandatory initialization classes
+  //
+  auto detConstruction = new B4::DetectorConstruction(cw);
+
+  runManager->SetUserInitialization(detConstruction);
+
+  auto physicsList = new FTFP_BERT;
+  runManager->SetUserInitialization(physicsList);
+
+  auto actionInitialization = new B4a::ActionInitialization(detConstruction);
+  runManager->SetUserInitialization(actionInitialization);
+
+  actionInitialization->setGeneratorProperties(minEnergy, maxEnergy, partSpecies);
+
+  // Initialize visualization
+  //
+  auto visManager = new G4VisExecutive;
+  // G4VisExecutive can take a verbosity argument - see /vis/verbose guidance.
+  // G4VisManager* visManager = new G4VisExecutive("Quiet");
+  visManager->Initialize();
+
+  // Get the pointer to the User Interface manager
+  auto UImanager = G4UImanager::GetUIpointer();
+
+  // Process macro or start UI session
+  //
+
+
+  if ( gui ) {
+    // interactive mode : define UI session
+    UImanager->ApplyCommand("/control/execute init_vis.mac");
+    if (ui->IsGUI()) {
+      UImanager->ApplyCommand("/control/execute gui.mac");
+    }
+    ui->SessionStart();
+    delete ui;
+  }
+  else  {
+    G4String command  = "/control/execute run1.mac";
+  UImanager->ApplyCommand("/run/initialize");
+  UImanager->ApplyCommand("/run/beamOn "+ std::to_string(nEvents));
+  }
+
+ 
+  // Job termination
+  // Free the store: user actions, physics_list and detector_description are
+  // owned and deleted by the run manager, so they should not be deleted
+  // in the main() program !
+  delete visManager;
+  delete runManager;
+
+}
+*/