SimHitHandle_TRTHit::Imp Class Reference

Collaboration diagram for SimHitHandle_TRTHit::Imp:

Public Member Functions
	Imp (const TRTUncompressedHit *h)
bool	ensureDetElemInit () const

Public Attributes
const TRTUncompressedHit *	thehit
const InDetDD::TRT_BaseElement *	detelem
size_t	strawID

Detailed Description

Definition at line 32 of file SimHitHandle_TRTHit.cxx.

Constructor & Destructor Documentation

Imp()

SimHitHandle_TRTHit::Imp::Imp ( const TRTUncompressedHit * h )

inline

Definition at line 34 of file SimHitHandle_TRTHit.cxx.

: thehit(h), detelem(nullptr),strawID(0) {}

Member Function Documentation

ensureDetElemInit()

bool SimHitHandle_TRTHit::Imp::ensureDetElemInit

(

)

const

Definition at line 87 of file SimHitHandle_TRTHit.cxx.

{
  if (detelem)
    return true;
  const InDetDD::TRT_DetectorManager * mgr = VP1DetInfo::trtDetMgr();
  if (!mgr) {
    VP1Msg::messageDebug("SimHitHandle_TRTHit ERROR: Could not get TRT detector manager.");
    return false;
  }
  size_t hitID = thehit->GetHitID(), moduleID(0), trtID(0),sectorID(0);
  static const size_t mask  = 0x1F;
  static const size_t shift = 5;
  std::bitset<32> idBits(hitID);
  if (!idBits[21]/*IE: BARREL*/ ) {
    size_t layerID(0), ringID(0);
    strawID = hitID & mask;
    hitID >>= shift;
    layerID = hitID & mask;
    hitID >>= shift;
    moduleID = hitID & mask;
    hitID >>= shift;
    ringID = hitID & mask;
    trtID = hitID >> shift;
    detelem = mgr->getBarrelElement(trtID,ringID,moduleID,layerID);//fixme: handle case
  }
  else /*ENDCAP*/ {
    size_t wheelID(0), planeID(0);
    strawID = hitID & mask;
    hitID >>= shift;
    planeID = hitID & mask;
    hitID >>= shift;
    sectorID = hitID & mask;
    hitID >>= shift;
    wheelID = hitID & mask;
    trtID = hitID >> shift;
    bool isPositive = (trtID==2);
    detelem = mgr->getEndcapElement(isPositive,wheelID,planeID,sectorID);
  }
  if (detelem) {
    return true;
  } else {
    VP1Msg::messageDebug("SimHitHandle_TRTHit WARNING: Could not find detector element.");
    return false;
  }
}

Member Data Documentation

detelem

const InDetDD::TRT_BaseElement* SimHitHandle_TRTHit::Imp::detelem

mutable

Definition at line 36 of file SimHitHandle_TRTHit.cxx.

strawID

size_t SimHitHandle_TRTHit::Imp::strawID

mutable

Definition at line 37 of file SimHitHandle_TRTHit.cxx.

thehit

const TRTUncompressedHit* SimHitHandle_TRTHit::Imp::thehit

Definition at line 35 of file SimHitHandle_TRTHit.cxx.

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The documentation for this class was generated from the following file:

• SimHitHandle_TRTHit.cxx