/data/refman/pasoursint/CMSSW_6_1_2_SLHC4_patch1/src/Alignment/MuonAlignment/src/MuonAlignmentInputSurveyDB.cc

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// -*- C++ -*-
//
// Package:     MuonAlignment
// Class  :     MuonAlignmentInputSurveyDB
// 
// Implementation:
//     <Notes on implementation>
//
// Original Author:  Jim Pivarski
//         Created:  Thu Mar  6 17:30:46 CST 2008
// $Id: MuonAlignmentInputSurveyDB.cc,v 1.2 2008/03/20 21:39:26 pivarski Exp $
//

// system include files
#include "FWCore/Framework/interface/ESHandle.h"

// user include files
#include "Alignment/MuonAlignment/interface/MuonAlignmentInputSurveyDB.h"
#include "CondFormats/AlignmentRecord/interface/DTSurveyRcd.h"
#include "CondFormats/AlignmentRecord/interface/DTSurveyErrorRcd.h"
#include "CondFormats/AlignmentRecord/interface/CSCSurveyRcd.h"
#include "CondFormats/AlignmentRecord/interface/CSCSurveyErrorRcd.h"
#include "Alignment/CommonAlignment/interface/SurveyDet.h"

//
// constants, enums and typedefs
//

//
// static data member definitions
//

//
// constructors and destructor
//
MuonAlignmentInputSurveyDB::MuonAlignmentInputSurveyDB()
   : m_dtLabel(""), m_cscLabel("") {}

MuonAlignmentInputSurveyDB::MuonAlignmentInputSurveyDB(std::string dtLabel, std::string cscLabel)
   : m_dtLabel(dtLabel), m_cscLabel(cscLabel) {}

// MuonAlignmentInputSurveyDB::MuonAlignmentInputSurveyDB(const MuonAlignmentInputSurveyDB& rhs)
// {
//    // do actual copying here;
// }

MuonAlignmentInputSurveyDB::~MuonAlignmentInputSurveyDB() {}

//
// assignment operators
//
// const MuonAlignmentInputSurveyDB& MuonAlignmentInputSurveyDB::operator=(const MuonAlignmentInputSurveyDB& rhs)
// {
//   //An exception safe implementation is
//   MuonAlignmentInputSurveyDB temp(rhs);
//   swap(rhs);
//
//   return *this;
// }

//
// member functions
//

AlignableMuon *MuonAlignmentInputSurveyDB::newAlignableMuon(const edm::EventSetup& iSetup) const {
   boost::shared_ptr<DTGeometry> dtGeometry = idealDTGeometry(iSetup);
   boost::shared_ptr<CSCGeometry> cscGeometry = idealCSCGeometry(iSetup);

   edm::ESHandle<Alignments> dtSurvey;
   edm::ESHandle<SurveyErrors> dtSurveyError;
   edm::ESHandle<Alignments> cscSurvey;
   edm::ESHandle<SurveyErrors> cscSurveyError;
   iSetup.get<DTSurveyRcd>().get(m_dtLabel, dtSurvey);
   iSetup.get<DTSurveyErrorRcd>().get(m_dtLabel, dtSurveyError);
   iSetup.get<CSCSurveyRcd>().get(m_cscLabel, cscSurvey);
   iSetup.get<CSCSurveyErrorRcd>().get(m_cscLabel, cscSurveyError);

   AlignableMuon *output = new AlignableMuon(&(*dtGeometry), &(*cscGeometry));

   unsigned int theSurveyIndex  = 0;
   const Alignments *theSurveyValues = &*dtSurvey;
   const SurveyErrors *theSurveyErrors = &*dtSurveyError;
   std::vector<Alignable*> barrels = output->DTBarrel();
   for (std::vector<Alignable*>::const_iterator iter = barrels.begin();  iter != barrels.end();  ++iter) {
      addSurveyInfo_(*iter, &theSurveyIndex, theSurveyValues, theSurveyErrors);
   }

   theSurveyIndex  = 0;
   theSurveyValues = &*cscSurvey;
   theSurveyErrors = &*cscSurveyError;
   std::vector<Alignable*> endcaps = output->CSCEndcaps();
   for (std::vector<Alignable*>::const_iterator iter = endcaps.begin();  iter != endcaps.end();  ++iter) {
      addSurveyInfo_(*iter, &theSurveyIndex, theSurveyValues, theSurveyErrors);
   }

   return output;
}

// This function was copied (with minimal modifications) from
// Alignment/CommonAlignmentProducer/plugins/AlignmentProducer.cc
// (version CMSSW_2_0_0_pre1), guaranteed to work the same way
// unless AlignmentProducer.cc's version changes!
void MuonAlignmentInputSurveyDB::addSurveyInfo_(Alignable* ali,
                                                unsigned int *theSurveyIndex,
                                                const Alignments* theSurveyValues,
                                                const SurveyErrors* theSurveyErrors) const {
  const std::vector<Alignable*>& comp = ali->components();

  unsigned int nComp = comp.size();

  for (unsigned int i = 0; i < nComp; ++i) addSurveyInfo_(comp[i], theSurveyIndex, theSurveyValues, theSurveyErrors);

  const SurveyError& error = theSurveyErrors->m_surveyErrors[*theSurveyIndex];

  if ( ali->geomDetId().rawId() != error.rawId() ||
       ali->alignableObjectId() != error.structureType() )
  {
    throw cms::Exception("DatabaseError")
      << "Error reading survey info from DB. Mismatched id!";
  }

  const CLHEP::Hep3Vector&  pos = theSurveyValues->m_align[*theSurveyIndex].translation();
  const CLHEP::HepRotation& rot = theSurveyValues->m_align[*theSurveyIndex].rotation();

  AlignableSurface surf( align::PositionType( pos.x(), pos.y(), pos.z() ),
                         align::RotationType( rot.xx(), rot.xy(), rot.xz(),
                                              rot.yx(), rot.yy(), rot.yz(),
                                              rot.zx(), rot.zy(), rot.zz() ) );

  surf.setWidth( ali->surface().width() );
  surf.setLength( ali->surface().length() );

  ali->setSurvey( new SurveyDet( surf, error.matrix() ) );

  (*theSurveyIndex)++;
}

//
// const member functions
//

//
// static member functions
//