G3toG4MANY.cc File Reference

#include "globals.hh"
#include "G3toG4MANY.hh"
#include "G3Pos.hh"
#include "G3RotTable.hh"
#include "G4SubtractionSolid.hh"

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Functions
void	G3toG4MANY (G3VolTableEntry *curVTE)
void	MakeBooleanSolids (G3VolTableEntry *curVTE, G3VolTableEntryVector *overlaps, const G4Transform3D &transform)
void	SubstractSolids (G3VolTableEntry *vte1, G3VolTableEntry *vte2, G4int copy, const G4Transform3D &transform)
G4Transform3D	GetTransform3D (G3Pos *g3pos)

Function Documentation

void G3toG4MANY

(

G3VolTableEntry *

curVTE

)

Definition at line 39 of file G3toG4MANY.cc.

{
  if (curVTE->GetNoOverlaps() > 0) {
  
    // check consistency 
    if (!curVTE->HasMANY()) { 
      G4String text = "G3toG4MANY: volume ";
      text = text + curVTE->GetName() + " has specified overlaps \n";
      text = text + " but is not defined as MANY.";
      G4Exception("G3toG4MANY()", "G3toG40009",
                  FatalException, text);
      return;
    }  

    // only MANY volumes with one position are supported
    if (curVTE->NPCopies() != 1) {
      G4String text = "G3toG4MANY: volume ";
      text = text + curVTE->GetName() + " which has MANY has not just one position.";
      G4Exception("G3toG4MANY()", "G3toG40010",
                  FatalException, text);
      return;
    }  

    #ifdef G3G4DEBUG
    G4cout << "G3toG4MANY  " << curVTE->GetName() << " boolean" << G4endl;
    #endif

    G4Transform3D transform = GetTransform3D(curVTE->GetG3PosCopy(0)); 
    
    MakeBooleanSolids(curVTE, curVTE->GetOverlaps(), transform.inverse());
  }

  // process daughters
  for (G4int i=0; i<curVTE->GetNoDaughters(); i++)
    G3toG4MANY(curVTE->GetDaughter(i));
}

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G4Transform3D GetTransform3D

(

G3Pos *

g3pos

)

Definition at line 146 of file G3toG4MANY.cc.

{
  G4int irot = g3pos->GetIrot();
  G4RotationMatrix* theMatrix = 0;
  if (irot>0) theMatrix = G3Rot.Get(irot);
  
  G4Rotate3D rotation;
  if (theMatrix) {            
     rotation = G4Rotate3D(*theMatrix);
  }

  G4Translate3D translation(*(g3pos->GetPos()));
  G4Transform3D transform3D = translation * (rotation.inverse());
  
  return transform3D;
}

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void MakeBooleanSolids	(	G3VolTableEntry *	curVTE,
		G3VolTableEntryVector *	overlaps,
		const G4Transform3D &	transform
	)

Definition at line 76 of file G3toG4MANY.cc.

{                
  // loop over overlap VTEs
  for (size_t i=0; i<overlaps->size(); i++){
   
    G3VolTableEntry* overlapVTE = (*overlaps)[i]; 

     // loop over clone VTEs
    for (G4int ij=0; ij<overlapVTE->GetMasterClone()->GetNoClones(); ij++){
    
      G3VolTableEntry* cloneVTE = overlapVTE->GetMasterClone()->GetClone(ij);   
   
      // loop over clone positions
      for (G4int j=0; j<cloneVTE->NPCopies(); j++){

        #ifdef G3G4DEBUG
        G4cout << "From '" << curVTE->GetName() << "' "
           << "cut '" << cloneVTE->GetName() << "' :"
           << i  << "th overlap (from " << overlaps->size() << ") "
           << ij << "th clone (from " << overlapVTE->GetMasterClone()->GetNoClones() << ") "
           << j  << "th copy (from " << cloneVTE->NPCopies() << ")  "
           << G4endl;
        #endif

        SubstractSolids(curVTE, cloneVTE, j, transform); 
      }
    }    
  }               
}           

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void SubstractSolids	(	G3VolTableEntry *	vte1,
		G3VolTableEntry *	vte2,
		G4int	copy,
		const G4Transform3D &	transform
	)

Definition at line 107 of file G3toG4MANY.cc.

{                
  // vte2 transformation
  G4Transform3D transform2 = GetTransform3D(vte2->GetG3PosCopy(copy));
   
  // compose new name 
  G4String newName = vte1->GetSolid()->GetName();
  newName = newName + "-" + vte2->GetSolid()->GetName();   

  #ifdef G3G4DEBUG
  G4cout << "   " << newName << G4endl; 
  #endif

  G4VSolid* newSolid 
    = new G4SubtractionSolid(newName, vte1->GetSolid(), vte2->GetSolid(),
                             transform*transform2);
                 
  // update vte1
  vte1->SetSolid(newSolid);

  // process daughters
  for (G4int k=0; k<vte1->GetNoDaughters(); k++){
            
    G3VolTableEntry* dVTE = vte1->GetDaughter(k);               
     
    if (dVTE->NPCopies() != 1) {
      G4String text = "G3toG4MANY: volume ";
      text = text + dVTE->GetName() + " which has MANY has not just one position.";
      G4Exception("G3toG4MANY()", "G3toG40011",
                  FatalException, text);
      return;
    }
      
    G4Transform3D dt = GetTransform3D(dVTE->GetG3PosCopy(0)); 
    SubstractSolids(dVTE, vte2, copy, dt.inverse()*transform);
  } 
}           

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