ToyDetectorFactory.cxx

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
#include "ToyDetectorFactory.h"
#include "CentralScrutinizer.h"  
 
#ifndef BUILDVP1LIGHT
    #include "StoreGate/StoreGateSvc.h"
    #include "GeoModelInterfaces/StoredMaterialManager.h"
#endif
 
#include "GeoModelKernel/GeoDefinitions.h"
#include "GeoModelKernel/GeoMaterial.h"  
#include "GeoModelKernel/GeoBox.h"  
#include "GeoModelKernel/GeoTube.h"  
#include "GeoModelKernel/GeoLogVol.h"  
#include "GeoModelKernel/GeoNameTag.h"  
#include "GeoModelKernel/GeoPhysVol.h"  
#include "GeoModelKernel/GeoFullPhysVol.h"  
#include "GeoModelKernel/GeoTransform.h"  
#include "GeoModelKernel/GeoSerialDenominator.h"  
#include "GeoModelKernel/GeoAlignableTransform.h"  
#include "GeoModelKernel/GeoSerialTransformer.h"
 
#include "GeoGenericFunctions/AbsFunction.h"
#include "GeoGenericFunctions/Variable.h"
#include "GeoGenericFunctions/Sin.h"
#include "GeoGenericFunctions/Cos.h"
 
// System of units
#ifdef BUILDVP1LIGHT
    #include "GeoModelKernel/Units.h"
    #define SYSTEM_OF_UNITS GeoModelKernelUnits // --> 'GeoModelKernelUnits::cm'
#else
  #include "GaudiKernel/SystemOfUnits.h"
  #define SYSTEM_OF_UNITS Gaudi::Units // --> 'Gaudi::Units::cm'
#endif
 
 
 
using namespace GeoGenfun;
using namespace GeoXF;
 
 
ToyDetectorFactory::ToyDetectorFactory(StoreGateSvc *detStore)
  :m_detectorManager(NULL),
   m_detectorStore(detStore)
{
}
 
 
ToyDetectorFactory::~ToyDetectorFactory()
{
 
}
 
 
 
//## Other Operations (implementation)
void ToyDetectorFactory::create(GeoPhysVol *world)
{
  m_detectorManager=new ToyDetectorManager();
 
    #ifndef BUILDVP1LIGHT
    StoredMaterialManager* materialManager = nullptr;
    if (StatusCode::SUCCESS != m_detectorStore->retrieve(materialManager, std::string("MATERIALS"))) {
        return; 
    } 
    #endif
  
  //-----------------------------------------------------------------------------------//  
  // Get the materials that we shall use.                                              //  
  // ----------------------------------------------------------------------------------//  
  
  #if defined BUILDVP1LIGHT
      // Bogus densities.
      double densityOfAir=0.1, densityOfPolystyrene=0.2;
      const GeoMaterial *air        = new GeoMaterial("Air Toy",densityOfAir);
      const GeoMaterial *poly       = new GeoMaterial("std::Polystyrene",densityOfPolystyrene);
  #else
      // Read from database.
      const GeoMaterial *air        = materialManager->getMaterial("std::Air");
      const GeoMaterial *poly       = materialManager->getMaterial("std::Polystyrene");
  #endif
 
  //-----------------------------------------------------------------------------------//  
  // Next make the box that describes the shape of the toy volume:                     //  
  //                                                                                   //  
  const GeoBox      *toyBox    = new GeoBox(800*SYSTEM_OF_UNITS::cm,800*SYSTEM_OF_UNITS::cm, 1000*SYSTEM_OF_UNITS::cm);                   //
  //                                                                                   //  
  // Bundle this with a material into a logical volume:                                //  
  //                                                                                   //  
  const GeoLogVol   *toyLog    = new GeoLogVol("ToyLog", toyBox, air);                 //  
  //                                                                                   //  
  // ..And create a physical volume:                                                   //  
  //                                                                                   //  
  GeoPhysVol        *toyPhys   = new GeoPhysVol(toyLog);                               //  
  //                                                                                   //  
  // Add this to the list of top level physical volumes:                               //  
  //                                                                                   //  
  m_detectorManager->addTreeTop(toyPhys);                                                //  
  //-----------------------------------------------------------------------------------//  
  
  //-----------------------------------------------------------------------------------//  
  // Daughters                                                                         //  
  //                                                                                   //  
  //                                                                                   //  
  const GeoTube     *ringTube  = new GeoTube(500*SYSTEM_OF_UNITS::cm, 1000*SYSTEM_OF_UNITS::cm, 5.0*SYSTEM_OF_UNITS::cm);                 //
  //                                                                                   //  
  // Bundle this with a material into a logical volume:                                //  
  //                                                                                   //  
  const GeoLogVol   *ringLog  = new  GeoLogVol("RingLog", ringTube, air);              //  
  //                                                                                   //  
  // Make 100 of these within the volume of the toy:                                   //  
  //                                                                                   //  
  GeoSerialDenominator       *ringName = new GeoSerialDenominator("RING");             //  
  toyPhys->add(ringName);                                                              //  
  for (int i=0;i<100;i++) {                                                            //  
    GeoFullPhysVol         *ringPhys = new GeoFullPhysVol(ringLog);                    //  
    GeoAlignableTransform  *xform    = new GeoAlignableTransform(GeoTrf::TranslateZ3D((i-50)*20*SYSTEM_OF_UNITS::cm));
    toyPhys->add(xform);                                                               //  
    toyPhys->add(ringPhys);                                                            //  
    m_detectorManager->addCentralScrutinizer(new CentralScrutinizer(ringPhys));          //  
  }                                                                                    //
  //-----------------------------------------------------------------------------------//
 
 
  //-----------------------------------------------------------------------------------//
  //  Now, in addition to active daughters add some passive material.  This is done    //
  //  here using the "SerialTransformer," our way of parameterizing volumes.  It       //
  //  does not need to be done this way.. but we want to provide an example of         //
  //  parametrizations in the Toy                                                      //
  //-----------------------------------------------------------------------------------//
 
  GeoBox       *sPass = new GeoBox(5.0*SYSTEM_OF_UNITS::cm, 30*SYSTEM_OF_UNITS::cm, 30*SYSTEM_OF_UNITS::cm);
  GeoLogVol    *lPass = new GeoLogVol("Passive", sPass, poly);
  GeoPhysVol   *pPass = new GeoPhysVol(lPass);
 
  GeoBox       *sIPass = new GeoBox(4*SYSTEM_OF_UNITS::cm, 25*SYSTEM_OF_UNITS::cm, 25*SYSTEM_OF_UNITS::cm);
  GeoLogVol    *lIPass = new GeoLogVol("InnerPassive", sIPass, air);
  GeoPhysVol   *pIPass = new GeoPhysVol(lIPass);
  
  pPass->add(pIPass);
  
  const unsigned int NPLATES=100;
  Variable       i;
  Sin            sin;
  GENFUNCTION    f = 360*SYSTEM_OF_UNITS::deg/NPLATES*i;
  GENFUNCTION    g = sin(4*f);
  GENFUNCTION    h = -g;
  TRANSFUNCTION t1 = Pow(GeoTrf::RotateZ3D(1.0),f)*GeoTrf::TranslateX3D(1100*SYSTEM_OF_UNITS::cm)*Pow(GeoTrf::TranslateZ3D(800*SYSTEM_OF_UNITS::cm),g);
  TRANSFUNCTION t2 = Pow(GeoTrf::RotateZ3D(1.0),f)*GeoTrf::TranslateX3D(1100*SYSTEM_OF_UNITS::cm)*Pow(GeoTrf::TranslateZ3D(800*SYSTEM_OF_UNITS::cm),h);
 
  //-----------------------------------------------------------------------------------//
  // Inside, by the way, the serial transformer will evaluate the functions:           //
  // HepTransform3D xf = t1(i), for i=1,NPLATES....                                    //
  //-----------------------------------------------------------------------------------//
 
  GeoSerialDenominator  *pass1Name = new GeoSerialDenominator("PASSIVE-1-");      
  GeoSerialTransformer *s1 = new GeoSerialTransformer(pPass,&t1, NPLATES);
  toyPhys->add(pass1Name);
  toyPhys->add(s1);
 
  GeoSerialDenominator *pass2Name = new GeoSerialDenominator("PASSIVE-2-");      
  GeoSerialTransformer *s2 = new GeoSerialTransformer(pPass,&t2, NPLATES);
  toyPhys->add(pass2Name);
  toyPhys->add(s2);
 
 
  //------------------------------------------------------------------------------------//
  // Now insert all of this into the world...                                           //
  GeoNameTag *tag = new GeoNameTag("Toy");                                              //
  world->add(tag);                                                                      //
  world->add(toyPhys);                                                                  //
  //------------------------------------------------------------------------------------//
}
 
const ToyDetectorManager * ToyDetectorFactory::getDetectorManager() const
{
  return m_detectorManager;
}