EcalBarrelGeometryLoaderFromDDD.cc

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#include "Geometry/CaloGeometry/interface/TruncatedPyramid.h"
#include "Geometry/EcalAlgo/interface/EcalBarrelGeometry.h"
#include "Geometry/CaloEventSetup/interface/CaloGeometryLoader.h"
#include "DetectorDescription/Core/interface/DDFilteredView.h"

typedef CaloGeometryLoader< EcalBarrelGeometry > EcalBGL ;

template <>
void 
EcalBGL::fillGeom( EcalBarrelGeometry*         geom,
           const EcalBGL::ParmVec&     vv,
           const HepGeom::Transform3D& tr,
           const DetId&                id );
template <>
void 
EcalBGL::fillNamedParams(const  DDFilteredView&      fv,
              EcalBarrelGeometry* geom );

#include "Geometry/CaloEventSetup/interface/CaloGeometryLoader.icc"

template class CaloGeometryLoader< EcalBarrelGeometry > ;
typedef CaloCellGeometry::CCGFloat CCGFloat ;

template <>
void 
EcalBGL::fillGeom( EcalBarrelGeometry*         geom,
           const EcalBGL::ParmVec&     vv,
           const HepGeom::Transform3D& tr,
           const DetId&                id )
{
   std::vector<CCGFloat> pv ;
   pv.reserve( vv.size() ) ;
   for( unsigned int i ( 0 ) ; i != vv.size() ; ++i )
   {
      const CCGFloat factor ( 1==i || 2==i || 6==i || 10==i ? 1 : 
                  (CCGFloat)k_ScaleFromDDDtoGeant ) ;

      pv.push_back( factor*vv[i] ) ;
   }

   std::vector<GlobalPoint> corners (8);

   TruncatedPyramid::createCorners( pv, tr, corners ) ;

   const CCGFloat* parmPtr ( CaloCellGeometry::getParmPtr( pv, 
                               geom->parMgr(), 
                               geom->parVecVec() ) ) ;

   const GlobalPoint front ( 0.25*( corners[0].x() + 
                    corners[1].x() + 
                    corners[2].x() + 
                    corners[3].x()   ),
                 0.25*( corners[0].y() + 
                    corners[1].y() + 
                    corners[2].y() + 
                    corners[3].y()   ),
                 0.25*( corners[0].z() + 
                    corners[1].z() + 
                    corners[2].z() + 
                    corners[3].z()   ) ) ;
   
   const GlobalPoint back  ( 0.25*( corners[4].x() + 
                    corners[5].x() + 
                    corners[6].x() + 
                    corners[7].x()   ),
                 0.25*( corners[4].y() + 
                    corners[5].y() + 
                    corners[6].y() + 
                    corners[7].y()   ),
                 0.25*( corners[4].z() + 
                    corners[5].z() + 
                    corners[6].z() + 
                    corners[7].z()   ) ) ;

   geom->newCell( front, back, corners[0],
          parmPtr, 
          id ) ;
}

template <>
void 
EcalBGL::fillNamedParams(const DDFilteredView&      _fv,
              EcalBarrelGeometry* geom )
{
   DDFilteredView fv = _fv;
   bool doSubDets = fv.firstChild();

   while( doSubDets )
   {
      DDsvalues_type sv(fv.mergedSpecifics());
        
      //nxtalPhi
      DDValue valnPhi("nxtalPhi");
      if( DDfetch( &sv, valnPhi ) )
      {
     const std::vector<double>& fvec = valnPhi.doubles();

     // this parameter can only appear once
     assert(fvec.size() == 1);
     geom->setNumXtalsPhiDirection((int)fvec[0]);
      }
      else
     continue;
          

      DDValue valnEta("nxtalEta");
      if( DDfetch( &sv, valnEta ) ) 
      {
     const std::vector<double>& fmvec = valnEta.doubles();

     // there can only be one such value
     assert(fmvec.size() == 1);
            
     geom->setNumXtalsEtaDirection((int)fmvec[0]);
      }
      else
     // once we find nxtalPhi, the rest must also be defined
     assert( 1 == 0 );

      //EtaBaskets
      DDValue valEtaB("EtaBaskets");
      if( DDfetch( &sv, valEtaB ) ) 
      {
     const std::vector<double>& ebvec = valEtaB.doubles();
     assert(ebvec.size() > 0);
     std::vector<int> EtaBaskets;
     EtaBaskets.resize(ebvec.size());
     for (unsigned i = 0; i<ebvec.size(); ++i) 
        EtaBaskets[i] = (int) ebvec[i];
     geom->setEtaBaskets(EtaBaskets);
      }
      else
     // once we find nxtalPhi, the rest must also be defined
     assert( 1 == 0 );

      //PhiBaskets
      DDValue valPhi("PhiBaskets");
      if (DDfetch(&sv,valPhi)) 
      {
     const std::vector<double> & pvec = valPhi.doubles();
     assert(pvec.size() > 0);
     geom->setBasketSizeInPhi((int)pvec[0]);
      }
      else
     // once we find nxtalPhi, the rest must also be defined
     assert( 1 == 0 );

      break;
    
      doSubDets = fv.nextSibling(); // go to next layer
   }
}