CbmStsElement.cxx

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/* Copyright (C) 2013-2020 GSI Helmholtzzentrum fuer Schwerionenforschung, Darmstadt
   SPDX-License-Identifier: GPL-3.0-only
   Authors: Volker Friese [committer], Florian Uhlig */
 
#include "CbmStsElement.h"
 
#include "CbmStsModule.h"  // for CbmStsModule
#include "CbmStsSetup.h"   // for CbmStsSetup
 
#include <Logger.h>  // for Logger, LOG
 
#include <TGeoManager.h>       // for gGeoManager
#include <TGeoNode.h>          // for TGeoNode
#include <TGeoPhysicalNode.h>  // for TGeoPhysicalNode
#include <TNamed.h>            // for TNamed
 
#include <cassert>  // for assert
#include <iomanip>  // for setw, __iom_t6
#include <ios>      // for left, right
 
using std::left;
using std::right;
using std::setw;
 
// -----   Default constructor   -------------------------------------------
CbmStsElement::CbmStsElement()
  : TNamed()
  , fAddress(0)
  , fLevel(kStsNofLevels)
  , fNode(nullptr)
  , fDaughters()
  , fMother(nullptr)
{
}
// -------------------------------------------------------------------------
 
 
// -----   Standard constructor   ------------------------------------------
CbmStsElement::CbmStsElement(Int_t address, Int_t level, TGeoPhysicalNode* node, CbmStsElement* mother)
  : TNamed()
  , fAddress(address)
  , fLevel(kStsSystem)
  , fNode(node)
  , fDaughters()
  , fMother(mother)
{
  SetLevel(level);
  SetName(ConstructName(address, fLevel).Data());
}
// -------------------------------------------------------------------------
 
 
// ----- Construct the name of an element   --------------------------------
void CbmStsElement::ConstructName()
{
 
  // Set the name for the STS system
  if (GetLevel() == kStsSystem) {
    SetName("STS");
    return;
  }
 
  // Special case half-ladder ("U"p or "D"own)
  if (GetLevel() == kStsHalfLadder) {
    TString label;
    switch (CbmStsAddress::GetElementId(fAddress, kStsHalfLadder)) {
      case 0: label = "U"; break;
      case 1: label = "D"; break;
      default: break;
    }
    SetName(fMother->GetName() + label);
    return;
  }
 
  // For other levels: Expand the name of the mother
  TString label;
  switch (GetLevel()) {
    case kStsUnit: label = "_U"; break;
    case kStsLadder: label = "_L"; break;
    case kStsModule: label = "_M"; break;
    case kStsSensor: label = "_S"; break;
    default: break;
  }
  label += Form("%02i", CbmStsAddress::GetElementId(fAddress, GetLevel()) + 1);
  SetName(fMother->GetName() + label);
}
// -------------------------------------------------------------------------
 
 
// -----   Construct name from address   -----------------------------------
TString CbmStsElement::ConstructName(Int_t address, EStsElementLevel level)
{
 
  TString result = "STS";
  if (level >= kStsUnit) {
    Int_t unit = CbmStsAddress::GetElementId(address, kStsUnit);
    result += Form("_U%02i", unit + 1);
    if (level >= kStsLadder) {
      Int_t ladder = CbmStsAddress::GetElementId(address, kStsLadder);
      result += Form("_L%02i", ladder + 1);
      if (level >= kStsHalfLadder) {
        Int_t hladder = CbmStsAddress::GetElementId(address, kStsHalfLadder);
        result += (hladder == 0 ? "U" : "D");
        if (level >= kStsModule) {
          Int_t module = CbmStsAddress::GetElementId(address, kStsModule);
          result += Form("_M%02i", module + 1);
          if (level >= kStsSensor) {
            Int_t sensor = CbmStsAddress::GetElementId(address, kStsSensor);
            result += Form("_S%02i", sensor + 1);
          }  //? sensor
        }    //? module
      }      //? halfladder
    }        //? ladder
  }          //? unit
 
  return result;
}
// -------------------------------------------------------------------------
 
 
// -----   Get a daughter element   ----------------------------------------
CbmStsElement* CbmStsElement::GetDaughter(Int_t index) const
{
  if (index < 0 || index >= GetNofDaughters()) return nullptr;
  return fDaughters[index];
}
// -------------------------------------------------------------------------
 
 
// -----   Get number of elements at lower hierarchy levels   --------------
Int_t CbmStsElement::GetNofElements(Int_t level) const
{
 
  Int_t nElements = 0;
  if (level <= fLevel) nElements = 0;
  else if (level == fLevel + 1)
    nElements = GetNofDaughters();
  else
    for (Int_t iDaughter = 0; iDaughter < GetNofDaughters(); iDaughter++)
      nElements += GetDaughter(iDaughter)->GetNofElements(level);
 
  return nElements;
}
// -------------------------------------------------------------------------
 
 
// -----   Recursively read daughters from geometry   ----------------------
void CbmStsElement::InitDaughters()
{
 
  // --- Catch absence of TGeoManager
  assert(gGeoManager);
 
  // --- No daughter elements below sensor level
  if (fLevel > kStsSensor) return;
 
  // --- Catch physical node not being set
  if (!fNode) {
    LOG(error) << fName << ": physical node is not set!";
    return;
  }
 
  TGeoNode* mNode = fNode->GetNode();  // This node
  TString mPath   = fNode->GetName();  // Full path to this node
 
  for (Int_t iNode = 0; iNode < mNode->GetNdaughters(); iNode++) {
 
    // Check name of daughter node for level name
    TString dName = mNode->GetDaughter(iNode)->GetName();
    if (dName.Contains(CbmStsSetup::Instance()->GetLevelName(fLevel + 1), TString::kIgnoreCase)) {
 
      // Create physical node
      TString dPath           = mPath + "/" + dName;
      TGeoPhysicalNode* pNode = new TGeoPhysicalNode(dPath.Data());
 
      // Create element and add it as daughter
      UInt_t address          = CbmStsAddress::SetElementId(fAddress, fLevel + 1, GetNofDaughters());
      CbmStsElement* dElement = nullptr;
      switch (fLevel) {
        case kStsHalfLadder: dElement = new CbmStsModule(address, pNode, this); break;
        default: dElement = new CbmStsElement(address, fLevel + 1, pNode, this); break;
      }
      fDaughters.push_back(dElement);
 
      // Call init method recursively for the daughter elements
      dElement->InitDaughters();
 
    }  // name of daughter node
 
  }  // daughter node loop
}
// -------------------------------------------------------------------------
 
 
// -----   Print   ---------------------------------------------------------
void CbmStsElement::Print(Option_t* opt) const
{
  LOG(info) << setw(10) << right << fAddress << "  " << setw(12) << left << fName << "  type " << setw(22) << fTitle
            << "  path " << fNode->GetName() << "  " << fNode->GetTitle();
  if (opt[0] == 'R') {
    for (Int_t iDaughter = 0; iDaughter < GetNofDaughters(); iDaughter++)
      GetDaughter(iDaughter)->Print("R");
  }
}
// -------------------------------------------------------------------------
 
 
// -----   Set element level   ---------------------------------------------
void CbmStsElement::SetLevel(Int_t level)
{
  switch (level) {
    case kStsSystem: fLevel = kStsSystem; break;
    case kStsUnit: fLevel = kStsUnit; break;
    case kStsLadder: fLevel = kStsLadder; break;
    case kStsHalfLadder: fLevel = kStsHalfLadder; break;
    case kStsModule: fLevel = kStsModule; break;
    case kStsSensor: fLevel = kStsSensor; break;
    default: LOG(fatal) << fName << ": Illegal element level " << level; break;
  }
}
// -------------------------------------------------------------------------
 
 
ClassImp(CbmStsElement)