                                                                              {
   if (PhotonFix::initialised())
     return false;
 
   PhotonFix::initialiseParameters(s);
 
   // Get ECAL geometry
   edm::ESHandle<CaloGeometry> geoHandle;
   iSetup.get<CaloGeometryRecord>().get(geoHandle);
   const CaloGeometry &geometry = *geoHandle;
 
   // EB
   const CaloSubdetectorGeometry *barrelGeometry = geometry.getSubdetectorGeometry(DetId::Ecal, EcalBarrel);
 
   double bc[170][360][2];
   for (int iz(0); iz < 2; iz++) {
     for (int ie(0); ie < 85; ie++) {
       int id = ie + 1;
       if (iz == 0)
         id = ie - 85;
       for (int ip(0); ip < 360; ip++) {
         EBDetId eb(id, ip + 1);
 
         auto cellGeometry = barrelGeometry->getGeometry(eb);
         const GlobalPoint &crystalPos = cellGeometry->getPosition();
         bc[85 * iz + ie][ip][0] = crystalPos.eta();
         bc[85 * iz + ie][ip][1] = crystalPos.phi();
       }
     }
   }
 
   for (unsigned i(0); i < 169; i++) {
     for (unsigned j(0); j < 360; j++) {
       unsigned k((j + 1) % 360);
 
       double eta = 0.25 * (bc[i][j][0] + bc[i + 1][j][0] + bc[i][k][0] + bc[i + 1][k][0]);
       double phi = PhotonFix::GetaPhi(PhotonFix::GetaPhi(bc[i][j][1], bc[i + 1][j][1]),
                                       PhotonFix::GetaPhi(bc[i][k][1], bc[i + 1][k][1]));
 
       PhotonFix::barrelCGap(i, j, 0, eta);
       PhotonFix::barrelCGap(i, j, 1, phi);
 
       if ((i % 5) == 4 && (j % 2) == 1) {
         PhotonFix::barrelSGap(i / 5, j / 2, 0, eta);
         PhotonFix::barrelSGap(i / 5, j / 2, 1, phi);
       }
 
       if ((j % 20) == 19) {
         if (i == 19) {
           PhotonFix::barrelMGap(0, j / 20, 0, eta);
           PhotonFix::barrelMGap(0, j / 20, 1, phi);
         }
         if (i == 39) {
           PhotonFix::barrelMGap(1, j / 20, 0, eta);
           PhotonFix::barrelMGap(1, j / 20, 1, phi);
         }
         if (i == 59) {
           PhotonFix::barrelMGap(2, j / 20, 0, eta);
           PhotonFix::barrelMGap(2, j / 20, 1, phi);
         }
         if (i == 84) {
           PhotonFix::barrelMGap(3, j / 20, 0, eta);
           PhotonFix::barrelMGap(3, j / 20, 1, phi);
         }
         if (i == 109) {
           PhotonFix::barrelMGap(4, j / 20, 0, eta);
           PhotonFix::barrelMGap(4, j / 20, 1, phi);
         }
         if (i == 129) {
           PhotonFix::barrelMGap(5, j / 20, 0, eta);
           PhotonFix::barrelMGap(5, j / 20, 1, phi);
         }
         if (i == 149) {
           PhotonFix::barrelMGap(6, j / 20, 0, eta);
           PhotonFix::barrelMGap(6, j / 20, 1, phi);
         }
       }
     }
   }
 
   // EE
   const CaloSubdetectorGeometry *endcapGeometry = geometry.getSubdetectorGeometry(DetId::Ecal, EcalEndcap);
 
   double ec[2][100][100][2];
   bool valid[100][100];
   int val_count = 0;
   for (int iz(0); iz < 2; iz++) {
     for (int ix(0); ix < 100; ix++) {
       for (int iy(0); iy < 100; iy++) {
         valid[ix][iy] = EEDetId::validDetId(ix + 1, iy + 1, 2 * iz - 1);
         if (iz == 0)
           PhotonFix::endcapCrystal(ix, iy, valid[ix][iy]);
         if (valid[ix][iy]) {
           EEDetId ee(ix + 1, iy + 1, 2 * iz - 1);
           val_count += 1;
 
           auto cellGeometry = endcapGeometry->getGeometry(ee);
           const GlobalPoint &crystalPos = cellGeometry->getPosition();
           ec[iz][ix][iy][0] = asinh(crystalPos.x() / fabs(crystalPos.z()));
           ec[iz][ix][iy][1] = asinh(crystalPos.y() / fabs(crystalPos.z()));
         }
       }
     }
   }
   std::cout << "GG valid " << val_count << std::endl;
   double c[2];
   for (unsigned iz(0); iz < 2; iz++) {
     unsigned nC(0), nS(0);
     for (unsigned i(0); i < 99; i++) {
       for (unsigned j(0); j < 99; j++) {
         if (valid[i][j] && valid[i + 1][j] && valid[i][j + 1] && valid[i + 1][j + 1]) {
           for (unsigned k(0); k < 2; k++) {
             c[k] = 0.25 * (ec[iz][i][j][k] + ec[iz][i + 1][j][k] + ec[iz][i][j + 1][k] + ec[iz][i + 1][j + 1][k]);
 
             PhotonFix::endcapCGap(iz, nC, k, c[k]);
           }
 
           if ((i % 5) == 4 && (j % 5) == 4) {
             for (unsigned k(0); k < 2; k++) {
               PhotonFix::endcapSGap(iz, nS, k, c[k]);
             }
             nS++;
           }
           nC++;
         }
       }
     }
     std::cout << "Endcap number of crystal, submodule boundaries = " << nC << ", " << nS << std::endl;
   }
 
   // Hardcode EE D-module gap to 0,0
   PhotonFix::endcapMGap(0, 0, 0, 0.0);
   PhotonFix::endcapMGap(0, 0, 1, 0.0);
   PhotonFix::endcapMGap(1, 0, 0, 0.0);
   PhotonFix::endcapMGap(1, 0, 1, 0.0);
 
   return true;
 }