HcalObjects/src/HcalDetIdTransform.cc

0001 #include "CondFormats/HcalObjects/interface/HcalDetIdTransform.h"
0002 #include "DataFormats/HcalDetId/interface/HcalDetId.h"
0003
0004 #include "FWCore/Utilities/interface/Exception.h"
0005
0006 namespace HcalDetIdTransform {
0007   unsigned transform(const HcalDetId& id, const unsigned transformCode) {
0008     static const int ietaShift = 1024;
0009     static const int maxHcalDepth = 64;
0010
0011     if (transformCode >= N_TRANSFORMS)
0012       throw cms::Exception(
0013           "In HcalDetIdTransform::transform:"
0014           " invalid transform code");
0015     unsigned t = 0;
0016     switch (transformCode) {
0017       case RAWID:
0018         t = id.rawId();
0019         break;
0020
0021       case IETA:
0022         t = id.ieta() + ietaShift;
0023         break;
0024
0025       case IETAABS:
0026         t = id.ietaAbs();
0027         break;
0028
0029       case SUBDET:
0030         t = id.subdetId();
0031         break;
0032
0033       case IETADEPTH:
0034         t = (id.ieta() + ietaShift) * maxHcalDepth + id.depth();
0035         break;
0036
0037       case IETAABSDEPTH:
0038         t = id.ietaAbs() * maxHcalDepth + id.depth();
0039         break;
0040
0041       default:
0042         throw cms::Exception(
0043             "In HcalDetIdTransform::transform:"
0044             " unhandled switch clause. This is a bug."
0045             " Please report.");
0046     }
0047     return t;
0048   }
0049
0050   void validateCode(const unsigned transformCode) {
0051     if (transformCode >= N_TRANSFORMS)
0052       throw cms::Exception(
0053           "In HcalDetIdTransform::validateCode:"
0054           " invalid transform code");
0055   }
0056 }  // namespace HcalDetIdTransform