detector change might work - might

include/ConstructionWrapper.hh

@@ -90,6 +90,15 @@ public:
 
     void printSensorEnergies()const;
 
+    bool isAssigned()const{
+        if(layers.size() == 0){
+            return false;
+        }
+        else{
+            return layers[0].physicalVolume != nullptr;
+        }
+    }
+
 
 private:
     double xywidth;

include/G4System.hh

@@ -21,7 +21,7 @@
 class G4System{
 public:
 
-G4System(){};
+G4System(bool Gui=false):gui(Gui){};
 ~G4System(){
     if(visManager != nullptr){
     delete visManager;
@@ -31,7 +31,7 @@ G4System(){};
 };
 
 
-void init(ConstructionWrapper &cw, bool gui=false);
+void init(ConstructionWrapper &cw);
 //will use dawn for visualization, also wrap more in python
 void run_visualize(const std::string& partSpecies, double minEnergy_GeV, double maxEnergy_GeV);
 //runs the whole gui if available
@@ -50,6 +50,7 @@ private:
 
 void check()const;
 
+bool gui;
 
 G4RunManager * runManager=nullptr;
 B4::DetectorConstruction * detConstruction=nullptr;