output file

src/GeometryDescriptor.cc

@@ -2,6 +2,7 @@
 
 #include "GeometryDescriptor.hh"
 #include "G4VPhysicalVolume.hh"
+#include "G4System.hh"
 
 Layer::Layer(){
     thickness = 0;
@@ -40,6 +41,13 @@ GeometryDescriptor::GeometryDescriptor(double xy_width){
     xywidth = xy_width;
 }
 
+GeometryDescriptor::~GeometryDescriptor() {
+    if(g4system != nullptr){
+        if(this == g4system->assigned_cw){ //unassign
+            g4system->assigned_cw = nullptr;}
+    }
+};
+
 void GeometryDescriptor::addLayer(double thickness, std::string material, bool isActive, int nx, int ny){
     if(ny<0){
         ny = nx;