TkModuleGroupSelector.cc

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#include "Alignment/CommonAlignmentAlgorithm/interface/TkModuleGroupSelector.h"
#include "Alignment/CommonAlignmentAlgorithm/interface/AlignmentParameterSelector.h"
#include "Alignment/CommonAlignment/interface/Alignable.h"
#include "DataFormats/DetId/interface/DetId.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"

#include <vector>
#include <map>
#include <set>

//============================================================================
TkModuleGroupSelector::TkModuleGroupSelector(AlignableTracker *aliTracker,
                                             const edm::ParameterSet &cfg,
                                             const std::vector<int> &sdets
                                             ) : nparameters_(0),
                                                 subdetids_(sdets)
{
  //verify that all provided options are known
  std::vector<std::string> parameterNames = cfg.getParameterNames();
  for ( std::vector<std::string>::const_iterator iParam = parameterNames.begin(); 
        iParam != parameterNames.end(); ++iParam) {
    const std::string name = (*iParam);
    if(
       name != "RunRange" && name != "ReferenceRun" && name != "Granularity"
       ) {
      throw cms::Exception("BadConfig")
        << "@SUB=TkModuleGroupSelector::TkModuleGroupSelector:"
        << " Unknown parameter name '" << name << "' in PSet. Maybe a typo?";
    }
  }
  

  //extract the reference run range if defined
  const edm::RunNumber_t defaultReferenceRun
    = (cfg.exists("ReferenceRun") ? cfg.getParameter<edm::RunNumber_t>("ReferenceRun") : 0);

  //extract run range to be used for all module groups (if not locally overwritten)
  const std::vector<edm::RunNumber_t> defaultRunRange
    = (cfg.exists("RunRange") ? cfg.getParameter<std::vector<edm::RunNumber_t> >("RunRange")
       : std::vector<edm::RunNumber_t>());

  // finally create everything from configuration
  this->createModuleGroups(aliTracker, cfg.getParameter<edm::VParameterSet>("Granularity"),
                           defaultRunRange, defaultReferenceRun);
}

//============================================================================
void TkModuleGroupSelector::fillDetIdMap(const unsigned int detid, const unsigned int groupid)
{
  //only add new entries 
  if(mapDetIdGroupId_.find(detid) == mapDetIdGroupId_.end()) {
    mapDetIdGroupId_.insert(std::pair<unsigned int, unsigned int>(detid, groupid));
  } else {
    throw cms::Exception("BadConfig")
      << "@SUB=TkModuleGroupSelector:fillDetIdMap:"
      << " Module with det ID " << detid << " configured in group " << groupid
      << " but it was already selected"
      << " in group " << mapDetIdGroupId_[detid] << ".";
  }
}

//============================================================================
const bool TkModuleGroupSelector::testSplitOption(const edm::ParameterSet &pset) const
{
  bool split = false;
  if(pset.exists("split")) {
    split = pset.getParameter<bool>("split");
  }
  return split;
}

//============================================================================
bool TkModuleGroupSelector::createGroup(
                                        unsigned int &Id, 
                                        const std::vector<edm::RunNumber_t> &range, 
                                        const std::list<Alignable*> &selected_alis,
                                        const edm::RunNumber_t refrun
                                        )
{
  bool modules_selected = false;

  referenceRun_.push_back(refrun);
  firstId_.push_back(Id);
  runRange_.push_back(range);
  for(std::list<Alignable*>::const_iterator it = selected_alis.begin();
      it != selected_alis.end(); ++it) {
    this->fillDetIdMap((*it)->id(), firstId_.size()-1);
    modules_selected = true;
  }
  if(refrun > 0 && range.size() > 0) { //FIXME: last condition not really needed?
    Id += range.size() - 1;
    nparameters_ += range.size() - 1;
  } else {
    Id += range.size();
    nparameters_ += range.size();  
  }

  if(refrun > 0 && range.front() > refrun) { //range.size() > 0 checked before
    throw cms::Exception("BadConfig")
      << "@SUB=TkModuleGroupSelector::createGroup:\n"
      << "Invalid combination of reference run number and specified run dependence"
      << "\n in module group " << firstId_.size() << "."
      << "\n Reference run number (" << refrun << ") is smaller than starting run "
      << "\n number (" << range.front() << ") of first IOV.";
  }
  return modules_selected;
}

//============================================================================
void TkModuleGroupSelector::verifyParameterNames(const edm::ParameterSet &pset, unsigned int psetnr) const
{
  std::vector<std::string> parameterNames = pset.getParameterNames();
  for ( std::vector<std::string>::const_iterator iParam = parameterNames.begin(); 
        iParam != parameterNames.end(); ++iParam) {
    const std::string name = (*iParam);
    if(
       name != "levels" && name != "RunRange"
       && name != "split" && name != "ReferenceRun"
       ) {
      throw cms::Exception("BadConfig")
        << "@SUB=TkModuleGroupSelector::verifyParameterNames:"
        << " Unknown parameter name '" << name << "' in PSet number " << psetnr << ". Maybe a typo?";
    }
  }
}


//============================================================================
void TkModuleGroupSelector::createModuleGroups(AlignableTracker *aliTracker,
                                               const edm::VParameterSet &granularityConfig,
                                               const std::vector<edm::RunNumber_t> &defaultRunRange,
                                               edm::RunNumber_t defaultReferenceRun)
{
  std::set<edm::RunNumber_t> localRunRange;
  nparameters_ = 0;
  unsigned int Id = 0;
  unsigned int psetnr = 0;
  //loop over all LA groups
  for(edm::VParameterSet::const_iterator pset = granularityConfig.begin();
      pset != granularityConfig.end();
      ++pset) {

    //test for unknown parameters
    this->verifyParameterNames((*pset),psetnr);
    psetnr++;

    bool modules_selected = false; //track whether at all a module has been selected in this group
    const std::vector<edm::RunNumber_t> range =
      ((*pset).exists("RunRange") ? pset->getParameter<std::vector<edm::RunNumber_t> >("RunRange")
       : defaultRunRange);
    if(range.empty()) {
      throw cms::Exception("BadConfig")
        << "@SUB=TkModuleGroupSelector::createModuleGroups:\n"
        << "Run range array empty!";
    }
    const bool split = this->testSplitOption((*pset));

    edm::RunNumber_t refrun = 0;
    if((*pset).exists("ReferenceRun")) {
      refrun = (*pset).getParameter<edm::RunNumber_t>("ReferenceRun");
    } else {
      refrun = defaultReferenceRun;
    }
    
    AlignmentParameterSelector selector(aliTracker);
    selector.clear();
    selector.addSelections((*pset).getParameter<edm::ParameterSet> ("levels"));

    const std::vector<Alignable*> &alis = selector.selectedAlignables();
    std::list<Alignable*> selected_alis;
    for(std::vector<Alignable*>::const_iterator it = alis.begin(); it != alis.end(); ++it) {
      const std::vector<Alignable*> &aliDaughts = (*it)->deepComponents();
      for (std::vector<Alignable*>::const_iterator iD = aliDaughts.begin();
           iD != aliDaughts.end(); ++iD) {
        if((*iD)->alignableObjectId() == align::AlignableDetUnit || (*iD)->alignableObjectId() == align::AlignableDet) {
          if(split) {
            modules_selected = this->createGroup(Id, range, std::list<Alignable*>(1,(*iD)), refrun);
          } else {
            selected_alis.push_back((*iD));
          }
        }
      }
    }
    
    if(!split) {
      modules_selected = this->createGroup(Id, range, selected_alis, refrun);
    }
        
    edm::RunNumber_t firstRun = 0; 
    for(std::vector<edm::RunNumber_t>::const_iterator iRun = range.begin(); 
        iRun != range.end(); ++iRun)  {
      localRunRange.insert((*iRun));
      if((*iRun) > firstRun) {
        firstRun = (*iRun);
      } else {
        throw cms::Exception("BadConfig")
          << "@SUB=TkModuleGroupSelector::createModuleGroups:"
          << " Run range not sorted.";
      }
    }

    if(!modules_selected) {
      throw cms::Exception("BadConfig") 
        << "@SUB=TkModuleGroupSelector:createModuleGroups:"
        << " No module was selected in the module group selector in group " << (firstId_.size()-1)<< ".";
    }
  }

  //copy local set into the global vector of run boundaries
  for(std::set<edm::RunNumber_t>::const_iterator itRun = localRunRange.begin();
      itRun != localRunRange.end(); ++itRun) {
    globalRunRange_.push_back((*itRun));
  }
}

//============================================================================
unsigned int TkModuleGroupSelector::getNumberOfParameters() const
{
  return nparameters_;
}

//============================================================================
unsigned int TkModuleGroupSelector::numIovs() const
{
  return globalRunRange_.size();
}

//============================================================================
edm::RunNumber_t TkModuleGroupSelector::firstRunOfIOV(unsigned int iovNum) const
{
  return iovNum < this->numIovs() ? globalRunRange_.at(iovNum) : 0;
}

//======================================================================
int TkModuleGroupSelector::getParameterIndexFromDetId(unsigned int detId,
                                                      edm::RunNumber_t run) const
{
  // Return the index of the parameter that is used for this DetId.
  // If this DetId is not treated, return values < 0.

  const DetId temp_id(detId);

  int index = -1;

  bool sel = false;
  for(std::vector<int>::const_iterator itSubDets = subdetids_.begin();
      itSubDets != subdetids_.end();
      ++itSubDets) {
    if (temp_id.det() == DetId::Tracker && temp_id.subdetId() == (*itSubDets)) {
      sel = true;
      break;
    }
  }

  if (temp_id.det() != DetId::Tracker || !sel) return -1;
  
  std::map<unsigned int, unsigned int>::const_iterator it = mapDetIdGroupId_.find(detId);
  if(it != mapDetIdGroupId_.end()) {
    const unsigned int iAlignableGroup = (*it).second;
    const std::vector<edm::RunNumber_t> &runs = runRange_.at(iAlignableGroup);
    const unsigned int id0 = firstId_.at(iAlignableGroup);
    const edm::RunNumber_t refrun = referenceRun_.at(iAlignableGroup);


    unsigned int iovNum = 0;
    for ( ; iovNum < runs.size(); ++iovNum) {
      if (runs[iovNum] > run) break;
    }
    if (iovNum == 0) {
      throw cms::Exception("BadConfig") << "@SUB=TkModuleGroupSelector::getParameterIndexFromDetId:\n"
                                        << "Run " << run << " not foreseen for detid '"<< detId <<"'"
                                        << " in module group " << iAlignableGroup << ".";        
    } else {
      --iovNum;
    }

    //test whether the iov contains the reference run
    if(refrun > 0) { //if > 0 a reference run number has been provided
      if(iovNum+1 == runs.size()) {
        if(refrun >= runs[iovNum])
          return -1;
      } else if( (iovNum+1) < runs.size()) {
        if(refrun >= runs[iovNum] && refrun < runs[iovNum+1]) {
          return -1;
        }
      } 
      if(run > refrun) {
        //iovNum > 0 due to checks in createGroup(...) and createModuleGroups(...)
        //remove IOV in which the reference run can be found
        iovNum -= 1;
      }
    }

    index = id0 + iovNum;
  }
  return index;
}