Re-enabled CADmodel macro command

src/DetectorConstruction.cc

@@ -74,7 +74,7 @@ DetectorConstruction::DetectorConstruction()
     m_ConstructionHasBeenDone(false),
     m_UsingCADmodel(true),
     m_logicWorld(0),
-    m_physLG(0),
+    m_logicLG(0),
     m_physPMT(0),
     m_DetectorMessenger(nullptr)
 {
@@ -164,8 +164,9 @@ void DetectorConstruction::BuildDefaultLG( ){
   // Build the light guide here up until the logical volume
   // Maybe build the aluminum portion into a single CAD solid and add
   // fibers and air here
-
-  UseCADModel("../models/LED-GMS-light-guide.stl");
+  if(m_logicLG == 0){
+    UseCADModel("../models/LED-GMS-light-guide.stl");
+  }
 
 
   bool CHECK_OVERLAPS = true;
@@ -211,7 +212,7 @@ void DetectorConstruction::BuildDefaultLG( ){
   m_logicBuffer = new G4LogicalVolume( m_fiberBuffer,      // solid to be created from
 				       materials->pQuartz, // material
   				       "fiber_logicBuffer"); // name
-  
+
   // Place the fibers
   G4RotationMatrix* fiberRotation = new G4RotationMatrix();
   fiberRotation->rotateX(90.*deg);
@@ -315,7 +316,7 @@ void DetectorConstruction::BuildPMT(){
       m_logicIntSD.push_back( new G4LogicalVolume(m_solidIntSD.back(), materials->Air, "logicIntSD2") );
       m_logicIntSD.back()->SetVisAttributes(VisAtt_PMT);
       m_logicIntSD.back()->SetSensitiveDetector( PMT );
-     
+
 
       /***********************************
        * Intermediate Sensitive Detector 3
@@ -323,11 +324,11 @@ void DetectorConstruction::BuildPMT(){
      m_SDnames.push_back("PhotodiodeSD");
      PMT = new PMTSD(m_SDnames.back(), true); // isIntermediate set to true
      SDman->AddNewDetector( PMT );
-     m_solidIntSD.push_back( new G4Box("solidPhotodiodeSD", 2.5*mm, 0.001*mm, 0.75*mm) );   
+     m_solidIntSD.push_back( new G4Box("solidPhotodiodeSD", 2.5*mm, 0.001*mm, 0.75*mm) );
      m_logicIntSD.push_back( new G4LogicalVolume(m_solidIntSD.back(), materials->Air, "logicPhotodiodeSD"));
      m_logicIntSD.back()->SetVisAttributes(VisAtt_PMT);
      m_logicIntSD.back()->SetSensitiveDetector( PMT );
-     
+
 }
 
 /*