Alignment/CommonAlignmentAlgorithm/src/AlignmentCorrelationsIORoot.cc - master - githubmirror/cmssw

Alignment/CommonAlignmentAlgorithm/src/AlignmentCorrelationsIORoot.cc
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09 май 2019, 07:16
09 май 2019, 07:167f0c057
#include "TTree.h"

#include "Alignment/CommonAlignment/interface/Alignable.h"
#include "Alignment/CommonAlignment/interface/AlignmentParameters.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"

// this class's header
#include "Alignment/CommonAlignmentAlgorithm/interface/AlignmentCorrelationsIORoot.h"

// ----------------------------------------------------------------------------
// constructor

AlignmentCorrelationsIORoot::AlignmentCorrelationsIORoot() {
  treename = "AlignmentCorrelations";
  treetxt = "Correlations";
}

// ----------------------------------------------------------------------------

void AlignmentCorrelationsIORoot::createBranches(void) {
  tree->Branch("Ali1Id", &Ali1Id, "Ali1Id/i");
  tree->Branch("Ali2Id", &Ali2Id, "Ali2Id/i");
  tree->Branch("Ali1ObjId", &Ali1ObjId, "Ali1ObjId/I");
  tree->Branch("Ali2ObjId", &Ali2ObjId, "Ali2ObjId/I");
  tree->Branch("corSize", &corSize, "corSize/I");
  tree->Branch("CorMatrix", &CorMatrix, "CorMatrix[corSize]/D");
}

// ----------------------------------------------------------------------------

void AlignmentCorrelationsIORoot::setBranchAddresses(void) {
  tree->SetBranchAddress("corSize", &corSize);
  tree->SetBranchAddress("Ali1Id", &Ali1Id);
  tree->SetBranchAddress("Ali2Id", &Ali2Id);
  tree->SetBranchAddress("Ali1ObjId", &Ali1ObjId);
  tree->SetBranchAddress("Ali2ObjId", &Ali2ObjId);
  tree->SetBranchAddress("CorMatrix", &CorMatrix);
}

// ----------------------------------------------------------------------------

int AlignmentCorrelationsIORoot::write(const align::Correlations& cor, bool validCheck) {
  int icount = 0;

  for (align::Correlations::const_iterator it = cor.begin(); it != cor.end(); ++it) {
    AlgebraicMatrix mat = (*it).second;
    std::pair<Alignable*, Alignable*> Pair = (*it).first;
    Alignable* ali1 = Pair.first;
    Alignable* ali2 = Pair.second;
    if ((ali1->alignmentParameters()->isValid() && ali2->alignmentParameters()->isValid()) || !(validCheck)) {
      Ali1ObjId = ali1->alignableObjectId();
      Ali2ObjId = ali2->alignableObjectId();
      Ali1Id = ali1->id();
      Ali2Id = ali2->id();
      int maxColumn = mat.num_row();
      corSize = maxColumn * maxColumn;
      for (int row = 0; row < maxColumn; row++)
        for (int col = 0; col < maxColumn; col++)
          CorMatrix[row + col * maxColumn] = mat[row][col];
      tree->Fill();
      icount++;
    }
  }
  edm::LogInfo("AlignmentCorrelationsIORoot") << "Writing correlations: all,written: " << cor.size() << "," << icount;
  return 0;
}

// ----------------------------------------------------------------------------
// read correlations for those alignables in vector given as argument

align::Correlations AlignmentCorrelationsIORoot::read(const align::Alignables& alivec, int& ierr) {
  align::Correlations theMap;

  // create ID map for all Alignables in alivec
  align::Alignables::const_iterator it1;
  std::map<std::pair<unsigned int, int>, Alignable*> idAlis;
  for (it1 = alivec.begin(); it1 != alivec.end(); ++it1)
    idAlis[std::make_pair((*it1)->id(), (*it1)->alignableObjectId())] = (*it1);

  std::map<std::pair<unsigned int, int>, Alignable*>::const_iterator aliSearch1;
  std::map<std::pair<unsigned int, int>, Alignable*>::const_iterator aliSearch2;
  int nfound = 0;
  double maxEntry = tree->GetEntries();
  for (int entry = 0; entry < maxEntry; entry++) {
    tree->GetEntry(entry);
    aliSearch1 = idAlis.find(std::make_pair(Ali1Id, Ali1ObjId));
    aliSearch2 = idAlis.find(std::make_pair(Ali2Id, Ali2ObjId));
    if (aliSearch1 != idAlis.end() && aliSearch2 != idAlis.end()) {
      // Alignables for this pair found
      nfound++;
      Alignable* myAli1 = (*aliSearch1).second;
      Alignable* myAli2 = (*aliSearch2).second;
      // FIXME: instead of nParMax in the next few lines one should probably
      //        use something like sqrt(corSize) - but take care of rounding!
      //        I have no time to test... :-( GF
      AlgebraicMatrix mat(nParMax, nParMax);
      for (int row = 0; row < nParMax; row++)
        for (int col = 0; col < nParMax; col++)
          mat[row][col] = CorMatrix[row + col * nParMax];
      theMap[std::make_pair(myAli1, myAli2)] = mat;
    }
  }

  edm::LogInfo("AlignmentCorrelationsIORoot") << "Read correlations: all,read: " << alivec.size() << "," << nfound;

  ierr = 0;
  return theMap;
}