DumpFWTGeoRecoGeometry.cc

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#include "FWCore/Framework/interface/EDAnalyzer.h"
#include "FWCore/Framework/interface/MakerMacros.h"
#include "FWCore/Framework/interface/ESTransientHandle.h"
#include "FWCore/Framework/interface/ESHandle.h"
#include "FWCore/Framework/interface/EventSetup.h"
#include "Fireworks/Geometry/interface/FWTGeoRecoGeometry.h"
#include "Fireworks/Geometry/interface/FWTGeoRecoGeometryRecord.h"

#include "TGeoManager.h"
#include "TFile.h"
#include "TTree.h"
#include "TError.h"
#include "TSystem.h"

class DumpFWTGeoRecoGeometry : public edm::EDAnalyzer
{
public:
  explicit DumpFWTGeoRecoGeometry( const edm::ParameterSet& config );
  ~DumpFWTGeoRecoGeometry( void ) override {}

private:
  void analyze( const edm::Event& event, const edm::EventSetup& eventSetup ) override;
  void beginJob( void ) override;
  void endJob( void ) override;

   std::string m_tag;
   std::string m_outputFileName;
};

DumpFWTGeoRecoGeometry::DumpFWTGeoRecoGeometry( const edm::ParameterSet& config )
   :m_tag( config.getUntrackedParameter<std::string>( "tagInfo", "unknown" )),
    m_outputFileName( config.getUntrackedParameter<std::string>( "outputFileName", "cmsTGeoReco.root" ))

{}

void
DumpFWTGeoRecoGeometry::analyze( const edm::Event& event, const edm::EventSetup& eventSetup )
{
  using namespace edm;

  ESTransientHandle<FWTGeoRecoGeometry> geoh;
  eventSetup.get<FWTGeoRecoGeometryRecord>().get( geoh );
  TGeoManager *geom = geoh.product()->manager();//const_cast<TGeoManager*>( geoh.product()->manager());

  TFile file( m_outputFileName.c_str(), "RECREATE" );
  file.WriteTObject( &*geom );
  file.WriteTObject(new TNamed("CMSSW_VERSION", gSystem->Getenv( "CMSSW_VERSION" )));
  file.WriteTObject(new TNamed("tag", m_tag.c_str()));
  file.Close();
}

void 
DumpFWTGeoRecoGeometry::beginJob( void )
{}

void 
DumpFWTGeoRecoGeometry::endJob( void )
{}

DEFINE_FWK_MODULE( DumpFWTGeoRecoGeometry );