/data/refman/pasoursint/CMSSW_4_1_8_patch9/src/Fireworks/Core/src/FW3DViewGeometry.cc

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// -*- C++ -*-
//
// Package:     Core
// Class  :     FW3DViewGeometry
// 
// Implementation:
//     [Notes on implementation]
//
// Original Author:  Alja Mrak-Tadel
//         Created:  Thu Mar 25 22:06:57 CET 2010
// $Id: FW3DViewGeometry.cc,v 1.12 2010/09/28 11:39:51 amraktad Exp $
//

// system include files
#include <sstream>

// user include files

#include "TEveManager.h"
#include "TEveGeoNode.h"

#include "Fireworks/Core/interface/FW3DViewGeometry.h"
#include "Fireworks/Core/interface/FWGeometry.h"
#include "Fireworks/Core/interface/TEveElementIter.h"
#include "Fireworks/Core/interface/Context.h"
#include "Fireworks/Core/interface/FWColorManager.h"

#include "DataFormats/MuonDetId/interface/DTChamberId.h"
#include "DataFormats/MuonDetId/interface/CSCDetId.h"

//
// constants, enums and typedefs
//

//
// static data member definitions
//

//
// constructors and destructor
//
FW3DViewGeometry::FW3DViewGeometry(const fireworks::Context& context):
   FWViewGeometryList(context, false),
   m_muonBarrelElements(0),
   m_muonEndcapElements(0),
   m_pixelBarrelElements(0),
   m_pixelEndcapElements(0),
   m_trackerBarrelElements(0),
   m_trackerEndcapElements(0)
{  

   SetElementName("3D Geometry");
}

// FW3DViewGeometry::FW3DViewGeometry(const FW3DViewGeometry& rhs)
// {
//    // do actual copying here;
// }

FW3DViewGeometry::~FW3DViewGeometry()
{
}


//
// member functions
//

//
// const member functions
//

//
// static member functions
//

void
FW3DViewGeometry::showMuonBarrel( bool showMuonBarrel )
{
   if( !m_muonBarrelElements && showMuonBarrel )
   {
      m_muonBarrelElements = new TEveElementList( "DT" );
      for( Int_t iWheel = -2; iWheel <= 2; ++iWheel )
      {
         for ( Int_t iStation = 1; iStation <= 4; ++iStation )
         {
            // We display only the outer chambers to make the event look more
            // prominent
            if( iWheel == -2 || iWheel == 2 || iStation == 4 )
            {
               std::ostringstream s;
               s << "Station" << iStation;
               TEveElementList* cStation  = new TEveElementList( s.str().c_str() );
               m_muonBarrelElements->AddElement( cStation );
               for( Int_t iSector = 1 ; iSector <= 14; ++iSector )
               {
                  if( iStation < 4 && iSector > 12 ) continue;
                  DTChamberId id( iWheel, iStation, iSector );
                  TEveGeoShape* shape = m_geom->getEveShape( id.rawId() );
                  addToCompound(shape, kFWMuonBarrelLineColorIndex);
                  cStation->AddElement( shape );
               }
            }
         }
      }
      AddElement( m_muonBarrelElements );
   }

   if( m_muonBarrelElements )
   {
      m_muonBarrelElements->SetRnrState( showMuonBarrel );
      gEve->Redraw3D();
   }
}

//______________________________________________________________________________
void
FW3DViewGeometry::showMuonEndcap( bool showMuonEndcap )
{
   if( showMuonEndcap && !m_muonEndcapElements )
   {
      m_muonEndcapElements = new TEveElementList( "CSC" );
      for( Int_t iEndcap = 1; iEndcap <= 2; ++iEndcap ) // 1=forward (+Z), 2=backward(-Z)
      { 
         TEveElementList* cEndcap = 0;
         if( iEndcap == 1 )
            cEndcap = new TEveElementList( "Forward" );
         else
            cEndcap = new TEveElementList( "Backward" );
         m_muonEndcapElements->AddElement( cEndcap );
         // Actual CSC geometry:
         // Station 1 has 4 rings with 36 chambers in each
         // Station 2: ring 1 has 18 chambers, ring 2 has 36 chambers
         // Station 3: ring 1 has 18 chambers, ring 2 has 36 chambers
         // Station 4: ring 1 has 18 chambers
         Int_t maxChambers = 36;
         for( Int_t iStation = 1; iStation <= 4; ++iStation )
         {
            std::ostringstream s; s << "Station" << iStation;
            TEveElementList* cStation  = new TEveElementList( s.str().c_str() );
            cEndcap->AddElement( cStation );
            for( Int_t iRing = 1; iRing <= 4; ++iRing )
            {
               if( iStation > 1 && iRing > 2 ) continue;
               if( iStation > 3 && iRing > 1 ) continue;
               std::ostringstream s; s << "Ring" << iRing;
               TEveElementList* cRing  = new TEveElementList( s.str().c_str() );
               cStation->AddElement( cRing );
               ( iRing == 1 && iStation > 1 ) ? ( maxChambers = 18 ) : ( maxChambers = 36 );
               for( Int_t iChamber = 1; iChamber <= maxChambers; ++iChamber )
               {
                  Int_t iLayer = 0; // chamber
                  CSCDetId id( iEndcap, iStation, iRing, iChamber, iLayer );
                  TEveGeoShape* shape = m_geom->getEveShape( id.rawId() );
                  addToCompound(shape, kFWMuonEndcapLineColorIndex);
                  cRing->AddElement( shape );
               }
            }
         }
      }
      AddElement( m_muonEndcapElements );
   }

   if( m_muonEndcapElements )
   {
      m_muonEndcapElements->SetRnrState( showMuonEndcap );
      gEve->Redraw3D();
   }
}

//______________________________________________________________________________
void
FW3DViewGeometry::showPixelBarrel( bool showPixelBarrel )
{
   if( showPixelBarrel && !m_pixelBarrelElements )
   {
      m_pixelBarrelElements = new TEveElementList( "PixelBarrel" );
      m_pixelBarrelElements->SetRnrState( showPixelBarrel );
      std::vector<unsigned int> ids = m_geom->getMatchedIds( FWGeometry::Tracker, FWGeometry::PixelBarrel );
      for( std::vector<unsigned int>::const_iterator id = ids.begin();
           id != ids.end(); ++id )
      {
         TEveGeoShape* shape = m_geom->getEveShape( *id );
         addToCompound(shape, kFWPixelBarrelColorIndex);
         m_pixelBarrelElements->AddElement( shape );
      }
      AddElement( m_pixelBarrelElements );
   }

   if( m_pixelBarrelElements )
   {
      m_pixelBarrelElements->SetRnrState( showPixelBarrel );
      gEve->Redraw3D();
   }
}

//______________________________________________________________________________
void
FW3DViewGeometry::showPixelEndcap(bool  showPixelEndcap )
{
   if( showPixelEndcap && ! m_pixelEndcapElements )
   {
      m_pixelEndcapElements = new TEveElementList( "PixelEndcap" );
      std::vector<unsigned int> ids = m_geom->getMatchedIds( FWGeometry::Tracker, FWGeometry::PixelEndcap );
      for( std::vector<unsigned int>::const_iterator id = ids.begin();
           id != ids.end(); ++id )
      {
         TEveGeoShape* shape = m_geom->getEveShape( *id );
         addToCompound(shape, kFWPixelEndcapColorIndex);
         m_pixelEndcapElements->AddElement( shape );
      }
      AddElement( m_pixelEndcapElements );
   }

   if( m_pixelEndcapElements )
   {
      m_pixelEndcapElements->SetRnrState( showPixelEndcap );
      gEve->Redraw3D();
   }
}

//______________________________________________________________________________
void
FW3DViewGeometry::showTrackerBarrel( bool  showTrackerBarrel )
{
   if( showTrackerBarrel && ! m_trackerBarrelElements )
   {
      m_trackerBarrelElements = new TEveElementList( "TrackerBarrel" );
      m_trackerBarrelElements->SetRnrState( showTrackerBarrel );
      std::vector<unsigned int> ids = m_geom->getMatchedIds( FWGeometry::Tracker, FWGeometry::TIB );
      for( std::vector<unsigned int>::const_iterator id = ids.begin();
           id != ids.end(); ++id )
      {
         TEveGeoShape* shape = m_geom->getEveShape( *id ); 
         addToCompound(shape, kFWTrackerBarrelColorIndex);
         m_trackerBarrelElements->AddElement( shape );
      }
      ids = m_geom->getMatchedIds( FWGeometry::Tracker, FWGeometry::TOB );
      for( std::vector<unsigned int>::const_iterator id = ids.begin();
           id != ids.end(); ++id )
      {
         TEveGeoShape* shape = m_geom->getEveShape( *id );
         addToCompound(shape, kFWTrackerBarrelColorIndex);
         m_trackerBarrelElements->AddElement( shape );
      }
      AddElement( m_trackerBarrelElements );
   }

   if( m_trackerBarrelElements )
   {
      m_trackerBarrelElements->SetRnrState( showTrackerBarrel );
      gEve->Redraw3D();
   }
}

//______________________________________________________________________________
void
FW3DViewGeometry::showTrackerEndcap( bool showTrackerEndcap )
{
   if( showTrackerEndcap && ! m_trackerEndcapElements )
   {
      m_trackerEndcapElements = new TEveElementList( "TrackerEndcap" );
      std::vector<unsigned int> ids = m_geom->getMatchedIds( FWGeometry::Tracker, FWGeometry::TID );
      for( std::vector<unsigned int>::const_iterator id = ids.begin();
           id != ids.end(); ++id )
      {
         TEveGeoShape* shape = m_geom->getEveShape( *id );
         addToCompound(shape, kFWTrackerEndcapColorIndex);
         m_trackerEndcapElements->AddElement( shape );
      }
      ids = m_geom->getMatchedIds( FWGeometry::Tracker, FWGeometry::TEC );
      for( std::vector<unsigned int>::const_iterator id = ids.begin();
           id != ids.end(); ++id )
      {
         TEveGeoShape* shape = m_geom->getEveShape( *id );
         addToCompound(shape, kFWTrackerEndcapColorIndex);
         m_trackerEndcapElements->AddElement( shape );
      }
      AddElement( m_trackerEndcapElements );
   }

   if (m_trackerEndcapElements )
   {
      m_trackerEndcapElements->SetRnrState( showTrackerEndcap );
      gEve->Redraw3D();
   }
}