G4DAWNFILESceneHandler.cc

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// $Id: G4DAWNFILESceneHandler.cc 110513 2018-05-28 07:37:38Z gcosmo $
//
// Satoshi TANAKA
// DAWNFILE scene.


#define __G_ANSI_C__

// #define DEBUG_FR_SCENE

     //----- header files
#include <fstream>
#include <stdlib.h>
#include <string.h>
#include <sstream>
#include <iomanip>
#include "globals.hh"
#include "G4VisManager.hh"
#include "G4FRConst.hh"
#include "G4DAWNFILE.hh"
#include "G4DAWNFILESceneHandler.hh"
#include "G4DAWNFILEViewer.hh"
#include "G4Point3D.hh"
#include "G4VisAttributes.hh"
#include "G4Scene.hh"
#include "G4Transform3D.hh"
#include "G4Polyhedron.hh"
#include "G4Box.hh"
#include "G4Cons.hh"
#include "G4Polyline.hh"
#include "G4Trd.hh"
#include "G4Tubs.hh"
#include "G4Trap.hh"
#include "G4Torus.hh"
#include "G4Sphere.hh"
#include "G4Para.hh"
#include "G4Text.hh"
#include "G4Circle.hh"
#include "G4Square.hh"
#include "G4VPhysicalVolume.hh"

//----- constants
const char  FR_ENV_CULL_INVISIBLE_OBJECTS [] = "G4DAWN_CULL_INVISIBLE_OBJECTS";
const char  G4PRIM_FILE_HEADER      [] = "g4_";
const char  DEFAULT_G4PRIM_FILE_NAME[] = "g4_0000.prim";

// const int   FR_MAX_FILE_NUM = 1 ;
// const int   FR_MAX_FILE_NUM = 5 ;
// const int   FR_MAX_FILE_NUM = 10 ;
// const int   FR_MAX_FILE_NUM = 15 ;
// const int   FR_MAX_FILE_NUM = 20 ;
   const int   FR_MAX_FILE_NUM = 100 ;


// Driver-dependent part //


  //----- G4DAWNFILESceneHandler, constructor
G4DAWNFILESceneHandler::G4DAWNFILESceneHandler (G4DAWNFILE& system, const G4String& name):
G4VSceneHandler  (system, fSceneIdCount++, name) ,
fSystem   (system)                        ,
fPrimDest ()                              ,
FRflag_in_modeling     (false)            ,
flag_saving_g4_prim    (false)            ,
COMMAND_BUF_SIZE       (G4FRofstream::SEND_BUFMAX),
fPrec (9), fPrec2 (16)
{
  // g4.prim filename and its directory
  if ( getenv( "G4DAWNFILE_DEST_DIR" ) == NULL ) {
    strcpy( fG4PrimDestDir , "" )                      ;  // output dir
    strcpy( fG4PrimFileName, DEFAULT_G4PRIM_FILE_NAME );  // filename
  } else {
    strcpy( fG4PrimDestDir , getenv( "G4DAWNFILE_DEST_DIR" ) ); // output dir
    strcpy( fG4PrimFileName, DEFAULT_G4PRIM_FILE_NAME        ); // filename 
  }
    
  // maximum number of g4.prim files in the dest directory
  fMaxFileNum = FR_MAX_FILE_NUM ; // initialization
  if ( getenv( "G4DAWNFILE_MAX_FILE_NUM" ) != NULL ) {  
    
    sscanf( getenv("G4DAWNFILE_MAX_FILE_NUM"), "%d", &fMaxFileNum ) ;

  } else {
    fMaxFileNum = FR_MAX_FILE_NUM ;
  }
  if( fMaxFileNum < 1 ) { fMaxFileNum = 1 ; }


    //----- precision control
  if( getenv( "G4DAWNFILE_PRECISION" ) != NULL ) {
    sscanf( getenv("G4DAWNFILE_PRECISION"), "%d", &fPrec ) ;
  } else {
                fPrec = 9 ;
  }
  fPrec2 = fPrec + 7 ;

} 


  //----- G4DAWNFILESceneHandler, destructor
G4DAWNFILESceneHandler::~G4DAWNFILESceneHandler () 
{
#if defined DEBUG_FR_SCENE
  if (G4VisManager::GetVerbosity() >= G4VisManager::errors)
  G4cout << "***** ~G4DAWNFILESceneHandler" << G4endl;
#endif 
  if (fPrimDest.IsOpen()) 
    {
      //----- End of modeling
      // !EndModeling, !DrawAll, !CloseDevice,
      // close g4.prim
    FREndModeling();
  }
}

//-----
void  G4DAWNFILESceneHandler::SetG4PrimFileName() 
{
  // g4_0000.prim, g4_0001.prim, ..., g4_MAX_FILE_INDEX.prim
  const int MAX_FILE_INDEX = fMaxFileNum - 1 ;

  // dest directory (null if no environmental variables is set)
  strcpy ( fG4PrimFileName, fG4PrimDestDir) ; 

  // create full path name (default)
  strcat ( fG4PrimFileName, DEFAULT_G4PRIM_FILE_NAME );

  // Automatic updation of file names
  for( int i = 0 ; i < fMaxFileNum ; i++) { 

    // Message in the final execution
    if( i == MAX_FILE_INDEX ) 
    {
      if (G4VisManager::GetVerbosity() >= G4VisManager::errors) {
        G4cout << "==========================================="   << G4endl; 
        G4cout << "WARNING MESSAGE from DAWNFILE driver:      "   << G4endl;
        G4cout << "  This file name is the final one in the   "   << G4endl;
        G4cout << "  automatic updation of the output file name." << G4endl; 
        G4cout << "  You may overwrite existing files, i.e.   "   << G4endl; 
        G4cout << "  g4_XXXX.prim and g4_XXXX.eps             "   << G4endl;
        G4cout << "==========================================="   << G4endl; 
      }
    }

    // re-determine file name as G4DAWNFILE_DEST_DIR/g4_XXXX.prim
    std::ostringstream filename; filename
    << fG4PrimDestDir << G4PRIM_FILE_HEADER
    << std::setw(4) << std::setfill('0') << i << ".prim";
    strncpy(fG4PrimFileName,filename.str().c_str(),sizeof(fG4PrimFileName)-1);
                fG4PrimFileName[sizeof(fG4PrimFileName)-1] = '\0';

    // check validity of the file name
    std::ifstream  fin ; 
    fin.open(fG4PrimFileName) ;
    if(!fin) { 
      // new file 
      fin.close();  
      break; 
    } else { 
      // already exists (try next) 
      fin.close(); 
    } 

  } // for 

  G4cout << "===========================================    " << G4endl; 
  G4cout << "Output file: " <<    fG4PrimFileName             << G4endl; 
  G4cout << "Destination directory (current dir if NULL): "       << fG4PrimDestDir    << G4endl; 
  G4cout << "Maximal number of files in the destination directory: " << fMaxFileNum << G4endl; 
  G4cout << "Note:                                                " << G4endl; 
  G4cout << "  * The maximal number is customizable as:           " << G4endl;
  G4cout << "       % setenv  G4DAWNFILE_MAX_FILE_NUM  number " << G4endl;        
  G4cout << "  * The destination directory is customizable as:" << G4endl;
  G4cout << "       % setenv  G4DAWNFILE_DEST_DIR  dir_name/  " << G4endl;        
  G4cout << "     ** Do not forget \"/\" at the end of the    " << G4endl;              
  G4cout << "        dir_name, e.g. \"./tmp/\".  " << G4endl;              
  G4cout << "===========================================      " << G4endl; 

} // G4DAWNFILESceneHandler::SetG4PrimFileName()


//-----
void  G4DAWNFILESceneHandler::BeginSavingG4Prim( void ) 
{
#if defined DEBUG_FR_SCENE
  if (G4VisManager::GetVerbosity() >= G4VisManager::errors)
  G4cout << "***** BeginSavingG4Prim (called)\n";
#endif

  if( !IsSavingG4Prim() ) 
  { 
#if defined DEBUG_FR_SCENE
    if (G4VisManager::GetVerbosity() >= G4VisManager::errors) {
          G4cout << "*****                   (started) " ;
          G4cout << "(open g4.prim, ##)"  << G4endl;
    }
#endif
    SetG4PrimFileName() ; // result set to fG4PrimFileName
    fPrimDest.Open(fG4PrimFileName)   ;

    SendStr( FR_G4_PRIM_HEADER   )    ; 
    flag_saving_g4_prim = true        ; 
  } 
}

void  G4DAWNFILESceneHandler::EndSavingG4Prim  ( void ) 
{
#if defined DEBUG_FR_SCENE
  if (G4VisManager::GetVerbosity() >= G4VisManager::errors)
  G4cout << "***** EndSavingG4Prim (called)\n";
#endif

  if(  IsSavingG4Prim() )
  {
#if defined DEBUG_FR_SCENE
    if (G4VisManager::GetVerbosity() >= G4VisManager::errors)
      G4cout << "*****                 (started) (close g4.prim)" << G4endl;
#endif
    fPrimDest.Close()               ;
    flag_saving_g4_prim = false ; 
  } 
}


//----- 
void G4DAWNFILESceneHandler::FRBeginModeling( void )
{
  if( !FRIsInModeling() )   
  {
#if defined DEBUG_FR_SCENE
    if (G4VisManager::GetVerbosity() >= G4VisManager::errors)
      G4cout << "***** G4DAWNFILESceneHandler::FRBeginModeling (called & started)" << G4endl;
#endif

      //----- Send saving command and heading comment
    BeginSavingG4Prim();

      //----- Send bounding box command
    SendBoundingBox();

      //----- send SET_CAMERA command 
#if defined DEBUG_FR_SCENE
    if (G4VisManager::GetVerbosity() >= G4VisManager::errors)
      G4cout << "*****   (!SetCamera in FRBeginModeling())" << G4endl;
#endif
    SendStr( FR_SET_CAMERA );

    //----- open device
#if defined DEBUG_FR_SCENE
    if (G4VisManager::GetVerbosity() >= G4VisManager::errors)
      G4cout << "*****   (!OpenDevice in FRBeginModeling())" << G4endl;
#endif
    SendStr( FR_OPEN_DEVICE      );

    //----- begin sending primitives
#if defined DEBUG_FR_SCENE
    if (G4VisManager::GetVerbosity() >= G4VisManager::errors)
      G4cout << "*****   (!BeginModeling in FRBeginModeling())" << G4endl;
#endif
    SendStr( FR_BEGIN_MODELING );  FRflag_in_modeling = true ;

  } // if

} 


// Common to DAWN and DAWNFILE drivers //

#define  G4FRSCENEHANDLER  G4DAWNFILESceneHandler
#include "G4FRSceneFunc.icc"
#undef   G4FRSCENEHANDLER 

// static variables //

  //----- static variables
G4int G4DAWNFILESceneHandler::fSceneIdCount = 0;