PndMultiField.cxx

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// -------------------------------------------------------------------------
// -----                      PndMultiField source file                -----
// -----                 Created 29/01/07  by M. Al/Turany             -----
// -------------------------------------------------------------------------



#include "PndMultiField.h"
#include "PndRegion.h"
#include "PndConstField.h"
#include "PndFieldMap.h"
#include "PndMapPar.h"
#include "PndMultiFieldPar.h"
#include "PndSolenoidMap.h"
#include "PndTransMap.h"
#include "PndDipoleMap.h"


#include "FairRun.h"
#include "FairRuntimeDb.h"


#include "TObjArray.h"



#include <iomanip>
#include <iostream>
#include <fstream>



using namespace std;

// -------------   Default constructor  ----------------------------------
PndMultiField::PndMultiField() 
 : fMaps(new TObjArray(10)), fNoOfMaps(0), fFieldMaps(), fMapIter(), fBeamMom(0.)
{
      fType = 5;
}

// -------------   Default constructor  ----------------------------------
PndMultiField::PndMultiField(TString Map, Double_t BeamMom)
 : fMaps(new TObjArray(10)), fNoOfMaps(0), fFieldMaps(), fMapIter(), fBeamMom(BeamMom)
{
    fType = 5;
  
  Map.ToUpper();
  
  if (Map=="FULL") {
      PndTransMap *map_t= new PndTransMap("TransMap", "R", fBeamMom);
    PndDipoleMap *map_d1= new PndDipoleMap("DipoleMap1", "R", fBeamMom);  
    PndDipoleMap *map_d2= new PndDipoleMap("DipoleMap2", "R", fBeamMom);
    PndSolenoidMap *map_s1= new PndSolenoidMap("SolenoidMap1", "R");
    PndSolenoidMap *map_s2= new PndSolenoidMap("SolenoidMap2", "R");
    PndSolenoidMap *map_s3= new PndSolenoidMap("SolenoidMap3", "R");
    PndSolenoidMap *map_s4= new PndSolenoidMap("SolenoidMap4", "R");
    
    AddField(map_t);
    AddField(map_d1);
    AddField(map_d2);
    AddField(map_s1);
    AddField(map_s2);
    AddField(map_s3);
    AddField(map_s4);
  
  }else if (Map=="DIPOLE") {
    PndDipoleMap *map_d1= new PndDipoleMap("DipoleMap1", "R", fBeamMom);
    PndDipoleMap *map_d2= new PndDipoleMap("DipoleMap2", "R", fBeamMom);
    
    AddField(map_d1);
    AddField(map_d2);
    
  }else if (Map=="SOLENOID") {
    
    PndSolenoidMap *map_s1= new PndSolenoidMap("SolenoidMap1", "R");
    PndSolenoidMap *map_s2= new PndSolenoidMap("SolenoidMap2", "R");
    PndSolenoidMap *map_s3= new PndSolenoidMap("SolenoidMap3", "R");
    PndSolenoidMap *map_s4= new PndSolenoidMap("SolenoidMap4", "R");
    
    AddField(map_s1);
    AddField(map_s2);
    AddField(map_s3);
    AddField(map_s4);
  }

  

}




// ------------------------------------------------------------------------

// ------------   Constructor from PndFieldPar   --------------------------
PndMultiField::PndMultiField(PndMultiFieldPar* fieldPar) 
 : fMaps( new TObjArray(10)), fNoOfMaps(0), fFieldMaps(), fMapIter(), fBeamMom(0.)
{
   fType = 5;
   TObjArray *fArray= fieldPar->GetParArray();
   if(fArray->IsEmpty()) fType=-1;

}

// ------------   Destructor   --------------------------------------------
PndMultiField::~PndMultiField() {
  
  //printf("PndMultiField::~PndMultiField() \n");
  fMaps->Delete();
  delete fMaps;
  
}

// -----------   Adding fields   ------------------------------------------
void PndMultiField::AddField(FairField *field){
  
   if(field){
      fMaps->AddLast(field);  
      fNoOfMaps++;
   }

}

// -----------   Intialisation   ------------------------------------------
void PndMultiField::Init() {
   PndConstField *field=0;
   PndFieldMap *fieldMap=0;
   for (Int_t n=0; n<=fNoOfMaps; n++){
      fieldMap = dynamic_cast<PndFieldMap *>(fMaps->At(n));
      field = dynamic_cast<PndConstField *>(fMaps->At(n));
      if(fieldMap){
         fieldMap->Init();
   fFieldMaps.insert( pair<PndRegion*, FairField*>(new PndRegion(fieldMap->GetZmin(),fieldMap->GetZmax()) , fieldMap ));
      }else if(field){
         field->Init();
   fFieldMaps.insert( pair<PndRegion*, FairField*>(new PndRegion(field->GetZmin(),field->GetZmax() ), field ));
      }
   }

}

// ---------   Screen output   --------------------------------------------
void PndMultiField::Print() {  
  for (Int_t n=0; n<=fNoOfMaps; n++){
    FairField *fieldMap = dynamic_cast<FairField *>(fMaps->At(n));
    if(fieldMap) fieldMap->Print();
  }
}





// ---------   Fill the parameters   --------------------------------------------
void PndMultiField::FillParContainer() {  
// for (Int_t n=0; n<=fNoOfMaps; n++){
//      FairField *fieldMap = dynamic_cast<FairField *>(fMaps->At(n));
//      if(fieldMap) fieldMap->FillParContainer();
//  }
  FairRun *fRun=FairRun::Instance();  
  FairRuntimeDb *rtdb=fRun->GetRuntimeDb();
  Bool_t kParameterMerged=kTRUE;
  PndMultiFieldPar* Par = (PndMultiFieldPar*) rtdb->getContainer("PndMultiFieldPar");
  Par->SetParameters(this);
  Par->setInputVersion(fRun->GetRunId(),1);
  Par->setChanged();
  
  
  
}

// -------------------------------------------------------------------------
void PndMultiField::GetFieldValue(const Double_t point[3], Double_t* bField) 
{
   PndRegion *fReg=0;
   FairField *fField=0;
   for (fMapIter=fFieldMaps.begin(); fMapIter!= fFieldMaps.end();fMapIter++ ){
      fReg=fMapIter->first;
      if(fReg->IsInside(point[2])){
         fField=fMapIter->second;
   break;
      }
   }
  if(fField){
    //printf("%s\n", fField->GetName());
    fField->GetBxyz(point, bField);
  }else{
    bField[0] = 0;
    bField[1] = 0;
    bField[2] = 0;

  }

  // 2015/08/28 -> NB: EicMagneticField does this job; this code has never been used;
#if 0
  // Well, I rather want a superposition of all fields contributiong to 
  // this Z-range; in fact this crap is needed for DID test studies only; 
  for(unsigned iq=0; iq<3; iq++)
    bField[iq] = 0.0;

  for (fMapIter=fFieldMaps.begin(); fMapIter!= fFieldMaps.end();fMapIter++ ){
    PndRegion *fReg = fMapIter->first;
    if(fReg->IsInside(point[2])){
      FairField *fField = fMapIter->second;

      double buffer[3];
      fField->GetBxyz(point, buffer);

      for(unsigned iq=0; iq<3; iq++)
  bField[iq] += buffer[iq];
    } //if
  } //for 
#endif
}


ClassImp(PndMultiField)