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

Alignment/CommonAlignmentAlgorithm/src/AlignmentParametersIORoot.cc
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09 май 2019, 07:16
09 май 2019, 07:167f0c057
// this class's header
#include "Alignment/CommonAlignmentAlgorithm/interface/AlignmentParametersIORoot.h"

#include "Alignment/CommonAlignment/interface/Alignable.h"
#include "Alignment/CommonAlignment/interface/AlignmentParameters.h"
#include "Alignment/CommonAlignmentParametrization/interface/AlignmentParametersFactory.h"

#include "FWCore/MessageLogger/interface/MessageLogger.h"

#include "TTree.h"

// ----------------------------------------------------------------------------
// constructor
AlignmentParametersIORoot::AlignmentParametersIORoot() {
  treename = "AlignmentParameters";
  treetxt = "Alignment Parameters";
}

// ----------------------------------------------------------------------------
void AlignmentParametersIORoot::createBranches(void) {
  tree->Branch("parSize", &theCovRang, "CovRang/I");
  tree->Branch("Id", &theId, "Id/i");
  tree->Branch("paramType", &theParamType, "paramType/I");
  tree->Branch("Par", &thePar, "Par[CovRang]/D");
  tree->Branch("covarSize", &theCovarRang, "CovarRang/I");
  tree->Branch("Cov", &theCov, "Cov[CovarRang]/D");
  tree->Branch("ObjId", &theObjId, "ObjId/I");
  tree->Branch("HieraLevel", &theHieraLevel, "HieraLevel/I");
}

// ----------------------------------------------------------------------------
void AlignmentParametersIORoot::setBranchAddresses(void) {
  tree->SetBranchAddress("parSize", &theCovRang);
  tree->SetBranchAddress("covarSize", &theCovarRang);
  tree->SetBranchAddress("Id", &theId);
  tree->SetBranchAddress("Par", &thePar);
  tree->SetBranchAddress("paramType", &theParamType);
  tree->SetBranchAddress("Cov", &theCov);
  tree->SetBranchAddress("ObjId", &theObjId);
  tree->SetBranchAddress("HieraLevel", &theHieraLevel);
}

// ----------------------------------------------------------------------------
int AlignmentParametersIORoot::writeOne(Alignable* ali) {
  const AlignmentParameters* ap = ali->alignmentParameters();
  const AlgebraicVector& params = ap->parameters();
  const AlgebraicSymMatrix& cov = ap->covariance();

  theCovRang = params.num_row();
  theCovarRang = theCovRang * (theCovRang + 1) / 2;
  int count = 0;
  for (int row = 0; row < theCovRang; row++) {
    thePar[row] = params[row];
    for (int col = 0; col < theCovRang; col++) {
      if (row - 1 < col) {
        theCov[count] = cov[row][col];
        count++;
      }
    }
  }

  theId = ali->id();
  theParamType = ap->type();
  theObjId = ali->alignableObjectId();
  theHieraLevel = ap->hierarchyLevel();

  tree->Fill();
  return 0;
}

// ----------------------------------------------------------------------------
AlignmentParameters* AlignmentParametersIORoot::readOne(Alignable* ali, int& ierr) {
  if (tree->GetEntryWithIndex(ali->id(), ali->alignableObjectId()) > 0) {
    int covsize = theCovRang;
    int count = 0;
    AlgebraicVector par(covsize, 0);
    AlgebraicSymMatrix cov(covsize, 0);
    for (int row = 0; row < covsize; row++) {
      par[row] = thePar[row];
      for (int col = 0; col < covsize; col++) {
        if (row - 1 < col) {
          cov[row][col] = theCov[count];
          count++;
        }
      }
    }

    using namespace AlignmentParametersFactory;
    ParametersType parType = parametersType(theParamType);
    AlignmentParameters* alipar1;
    if (ali->alignmentParameters()) {
      const std::vector<bool>& sel = ali->alignmentParameters()->selector();
      alipar1 = createParameters(ali, parType, sel);
    } else {
      const std::vector<bool> sel(theCovRang, true);
      alipar1 = createParameters(ali, parType, sel);
    }
    AlignmentParameters* alipar = alipar1->clone(par, cov);
    alipar->setValid(true);
    ierr = 0;
    delete alipar1;
    return alipar;
  }

  ierr = -1;
  return (nullptr);
}

int AlignmentParametersIORoot::close() {
  if (bWrite) {
    int nIndices = tree->BuildIndex("Id", "ObjId");
    edm::LogInfo("Alignment") << "@SUB=AlignmentParametersIORoot::setBranchAddresses"
                              << "number of indexed entries: " << nIndices;
  }

  return closeRoot();
}