/data/refman/pasoursint/CMSSW_6_1_2_SLHC2_patch1/src/Alignment/MuonAlignment/plugins/MuonGeometryDBConverter.cc

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// -*- C++ -*-
//
// Package:    MuonGeometryDBConverter
// Class:      MuonGeometryDBConverter
//
//
// Original Author:  Jim Pivarski
//         Created:  Sat Feb 16 00:04:55 CST 2008
// $Id: MuonGeometryDBConverter.cc,v 1.16 2011/09/15 09:15:51 mussgill Exp $
//
//


// system include files
#include "FWCore/Framework/interface/Frameworkfwd.h"
#include "FWCore/Framework/interface/EDAnalyzer.h"
#include "FWCore/Framework/interface/EventSetup.h"
#include "FWCore/Framework/interface/ESHandle.h"
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/MakerMacros.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"

// user include files
#include "Alignment/MuonAlignment/interface/MuonAlignment.h"
#include "Alignment/MuonAlignment/interface/MuonAlignmentInputMethod.h"
#include "Alignment/MuonAlignment/interface/MuonAlignmentInputDB.h"
#include "Alignment/MuonAlignment/interface/MuonAlignmentInputSurveyDB.h"
#include "Alignment/MuonAlignment/interface/MuonAlignmentInputXML.h"
#include "Alignment/MuonAlignment/interface/MuonScenarioBuilder.h"

//
// class decleration
//

class MuonGeometryDBConverter : public edm::EDAnalyzer {
   public:
      explicit MuonGeometryDBConverter(const edm::ParameterSet&);
      ~MuonGeometryDBConverter();


   private:
      virtual void analyze(const edm::Event&, const edm::EventSetup&);

      bool m_done;
      std::string m_input, m_output;
      
      std::string m_dtLabel, m_cscLabel;
      double m_shiftErr, m_angleErr;
      std::string m_fileName;
      bool m_getAPEs;

      edm::ParameterSet m_misalignmentScenario;
      edm::ParameterSet m_outputXML;
};

//
// constants, enums and typedefs
//

//
// static data member definitions
//

//
// constructors and destructor
//
MuonGeometryDBConverter::MuonGeometryDBConverter(const edm::ParameterSet &iConfig)
   : m_done(false)
   , m_input(iConfig.getParameter<std::string>("input"))
   , m_output(iConfig.getParameter<std::string>("output"))
   , m_shiftErr(0.)
   , m_angleErr(0.)
   , m_getAPEs(false)
{
   // Version V02-03-02 and earlier of this module had support for   //
   // "cfg" as an input/output format.  It turns out that reading    //
   // thousands of parameters from a configuration file takes a very //
   // long time, so "cfg" wasn't very practical.  When I reorganized //
   // the code, I didn't bother to port it.                          //

   if (m_input == std::string("ideal")) {}

   else if (m_input == std::string("db")) {
      m_dtLabel = iConfig.getParameter<std::string>("dtLabel");
      m_cscLabel = iConfig.getParameter<std::string>("cscLabel");
      m_shiftErr = iConfig.getParameter<double>("shiftErr");
      m_angleErr = iConfig.getParameter<double>("angleErr");
      m_getAPEs = iConfig.getParameter<bool>("getAPEs");
   }

   else if (m_input == std::string("surveydb")) {
      m_dtLabel = iConfig.getParameter<std::string>("dtLabel");
      m_cscLabel = iConfig.getParameter<std::string>("cscLabel");
   }

   else if (m_input == std::string("scenario")) {
      m_misalignmentScenario = iConfig.getParameter<edm::ParameterSet>("MisalignmentScenario");
      m_shiftErr = iConfig.getParameter<double>("shiftErr");
      m_angleErr = iConfig.getParameter<double>("angleErr");
   }

   else if (m_input == std::string("xml")) {
      m_fileName = iConfig.getParameter<std::string>("fileName");
      m_shiftErr = iConfig.getParameter<double>("shiftErr");
      m_angleErr = iConfig.getParameter<double>("angleErr");
   }

   else {
      throw cms::Exception("BadConfig") << "input must be \"ideal\", \"db\", \"surveydb\", or \"xml\"." << std::endl;
   }

   if (m_output == std::string("none")) {}

   else if (m_output == std::string("db")) {}

   else if (m_output == std::string("surveydb")) {}

   else if (m_output == std::string("xml")) {
      m_outputXML = iConfig.getParameter<edm::ParameterSet>("outputXML");
   }

   else {
      throw cms::Exception("BadConfig") << "output must be \"none\", \"db\", or \"surveydb\"." << std::endl;
   }
}

MuonGeometryDBConverter::~MuonGeometryDBConverter() { }

// ------------ method called to for each event  ------------
void
MuonGeometryDBConverter::analyze(const edm::Event &iEvent, const edm::EventSetup &iSetup) {
   if (!m_done) {
      MuonAlignment *muonAlignment = NULL;

      if (m_input == std::string("ideal")) {
         MuonAlignmentInputMethod inputMethod;
         muonAlignment = new MuonAlignment(iSetup, inputMethod);
         muonAlignment->fillGapsInSurvey(0., 0.);
      }

      else if (m_input == std::string("db")) {
         MuonAlignmentInputDB inputMethod(m_dtLabel, m_cscLabel, m_getAPEs);
         muonAlignment = new MuonAlignment(iSetup, inputMethod);
         if (m_getAPEs) {
            muonAlignment->copyAlignmentToSurvey(m_shiftErr, m_angleErr);
         }
      }

      else if (m_input == std::string("surveydb")) {
         MuonAlignmentInputSurveyDB inputMethod(m_dtLabel, m_cscLabel);
         muonAlignment = new MuonAlignment(iSetup, inputMethod);
         muonAlignment->copySurveyToAlignment();
      }
   
      else if (m_input == std::string("scenario")) {
         MuonAlignmentInputMethod inputMethod;
         muonAlignment = new MuonAlignment(iSetup, inputMethod);

         MuonScenarioBuilder muonScenarioBuilder(muonAlignment->getAlignableMuon());
         muonScenarioBuilder.applyScenario(m_misalignmentScenario);
         muonAlignment->copyAlignmentToSurvey(m_shiftErr, m_angleErr);
      }

      else if (m_input == std::string("xml")) {
         MuonAlignmentInputXML inputMethod(m_fileName);
         muonAlignment = new MuonAlignment(iSetup, inputMethod);
         muonAlignment->fillGapsInSurvey(m_shiftErr, m_angleErr);
      }


      if (muonAlignment) {

        if (m_output == std::string("none")) {}

        else if (m_output == std::string("db")) {
          muonAlignment->saveToDB();
        }

        else if (m_output == std::string("surveydb")) {
          muonAlignment->saveSurveyToDB();
        }

        else if (m_output == std::string("xml")) {
          muonAlignment->writeXML(m_outputXML, iSetup);
        }

        delete muonAlignment;

      }

      m_done = true;
   } // end if not done
   else {
      throw cms::Exception("BadConfig") << "Set maxEvents.input to 1.  (Your output is okay.)" << std::endl;
   }
}

//define this as a plug-in
DEFINE_FWK_MODULE(MuonGeometryDBConverter);