Gabriele Cosmo
325 lines
12 KiB
C++
325 lines
12 KiB
C++
//
|
|
// ********************************************************************
|
|
// * DISCLAIMER *
|
|
// * *
|
|
// * The following disclaimer summarizes all the specific disclaimers *
|
|
// * of contributors to this software. The specific disclaimers,which *
|
|
// * govern, are listed with their locations in: *
|
|
// * http://cern.ch/geant4/license *
|
|
// * *
|
|
// * Neither the authors of this software system, nor their employing *
|
|
// * institutes,nor the agencies providing financial support for this *
|
|
// * work make any representation or warranty, express or implied, *
|
|
// * regarding this software system or assume any liability for its *
|
|
// * use. *
|
|
// * *
|
|
// * This code implementation is the intellectual property of the *
|
|
// * GEANT4 collaboration. *
|
|
// * By copying, distributing or modifying the Program (or any work *
|
|
// * based on the Program) you indicate your acceptance of this *
|
|
// * statement, and all its terms. *
|
|
// ********************************************************************
|
|
//
|
|
//
|
|
// $Id: G4AssemblyVolume.cc,v 1.3 2004/01/19 14:07:55 gcosmo Exp $
|
|
// GEANT4 tag $Name: geant4-06-00-patch-01 $
|
|
//
|
|
//
|
|
// Class G4AssemblyVolume - implementation
|
|
//
|
|
// ----------------------------------------------------------------------
|
|
|
|
#include "G4AssemblyVolume.hh"
|
|
#include "G4PVPlacement.hh"
|
|
#include "G4RotationMatrix.hh"
|
|
#include "G4AffineTransform.hh"
|
|
#include "G4LogicalVolume.hh"
|
|
#include "G4VPhysicalVolume.hh"
|
|
|
|
#include <strstream>
|
|
|
|
unsigned int G4AssemblyVolume::fsInstanceCounter = 0;
|
|
|
|
// Default constructor
|
|
//
|
|
G4AssemblyVolume::G4AssemblyVolume()
|
|
: fAssemblyID( 0 )
|
|
{
|
|
InstanceCountPlus();
|
|
SetAssemblyID( GetInstanceCount() );
|
|
SetImprintsCount( 0 );
|
|
}
|
|
|
|
// Destructor
|
|
//
|
|
G4AssemblyVolume::~G4AssemblyVolume()
|
|
{
|
|
unsigned int howmany = fTriplets.size();
|
|
if( howmany != 0 ) {
|
|
for( unsigned int i = 0; i < howmany; i++ ) {
|
|
G4RotationMatrix* pRotToClean = fTriplets[i].GetRotation();
|
|
if( pRotToClean != 0 ) {
|
|
delete pRotToClean;
|
|
}
|
|
}
|
|
}
|
|
fTriplets.clear();
|
|
|
|
howmany = fPVStore.size();
|
|
if( howmany != 0 ) {
|
|
for( unsigned int j = 0; j < howmany; j++ ) {
|
|
G4RotationMatrix* pRotToClean = fPVStore[j]->GetRotation();
|
|
if( pRotToClean != 0 ) {
|
|
delete pRotToClean;
|
|
}
|
|
delete fPVStore[j];
|
|
}
|
|
}
|
|
|
|
fPVStore.clear();
|
|
InstanceCountMinus();
|
|
}
|
|
|
|
// Add and place the given volume according to the specified
|
|
// translation and rotation.
|
|
//
|
|
// The rotation matrix passed in can be 0 = identity or an address even of an object
|
|
// on the upper stack frame. During assembly imprint, it creates anyway a new matrix
|
|
// and keeps track of it so it can delete it later at destruction time.
|
|
// This new policy has been adopted since user has no control on the way the rotations
|
|
// are combined it's safer doing it this way.
|
|
//
|
|
// WARNING! This interface will likely change in the next major release of Geant4 from
|
|
// a pointer to a reference due to the reason above
|
|
void G4AssemblyVolume::AddPlacedVolume( G4LogicalVolume* pVolume,
|
|
G4ThreeVector& translation,
|
|
G4RotationMatrix* pRotation )
|
|
{
|
|
G4RotationMatrix* toStore = new G4RotationMatrix;
|
|
|
|
if( pRotation != 0 ) {
|
|
*toStore = *pRotation;
|
|
}
|
|
|
|
G4AssemblyTriplet toAdd( pVolume, translation, toStore );
|
|
fTriplets.push_back( toAdd );
|
|
}
|
|
|
|
// Add and place the given volume according to the specified transformation
|
|
//
|
|
void G4AssemblyVolume::AddPlacedVolume( G4LogicalVolume* pVolume,
|
|
G4Transform3D& transformation )
|
|
{
|
|
G4ThreeVector v = transformation.getTranslation();
|
|
G4RotationMatrix* r = new G4RotationMatrix;
|
|
*r = transformation.getRotation();
|
|
|
|
G4AssemblyTriplet toAdd( pVolume, v, r );
|
|
fTriplets.push_back( toAdd );
|
|
}
|
|
|
|
//
|
|
// Create an instance of an assembly volume inside of the specified
|
|
// mother volume. This works analogically to making stamp imprints.
|
|
// This method makes use of the Geant4 affine transformation class.
|
|
// The algorithm is defined as follows:
|
|
//
|
|
// Having rotation matrix Rm and translation vector Tm to be applied
|
|
// inside the mother and rotation matrix Ra and translation vector Ta
|
|
// to be applied inside the assembly itself for each of the participating
|
|
// volumes the resulting transformation is
|
|
//
|
|
// Tfinal = Ta * Tm
|
|
//
|
|
// where Ta and Tm are constructed as
|
|
//
|
|
// -1 -1
|
|
// Ta = Ra * Ta and Tm = Rm * Tm
|
|
//
|
|
// which in words means that we create first the affine transformations
|
|
// by inverse rotation matrices and translations for mother and assembly.
|
|
// The resulting final transformation to be applied to each of the
|
|
// participating volumes is their product.
|
|
//
|
|
// IMPORTANT NOTE!
|
|
// The order of multiplication is reversed when comparing to CLHEP 3D
|
|
// transformation matrix(G4Transform3D class).
|
|
//
|
|
// The rotation matrix passed in can be 0 = identity or an address even of an object
|
|
// on the upper stack frame. During assembly imprint, it creates anyway a new matrix
|
|
// and keeps track of it so it can delete it later at destruction time.
|
|
// This new policy has been adopted since user has no control on the way the rotations
|
|
// are combined it's safer doing it this way.
|
|
//
|
|
// WARNING! This interface will likely change in the next major release of Geant4 from
|
|
// a pointer to a reference due to the reason above
|
|
//
|
|
void G4AssemblyVolume::MakeImprint( G4LogicalVolume* pMotherLV,
|
|
G4ThreeVector& translationInMother,
|
|
G4RotationMatrix* pRotationInMother,
|
|
G4int copyNumBase )
|
|
{
|
|
// If needed user can specify explicitly the base count from which to start off for the generation
|
|
// of phys. vol. copy numbers
|
|
// The old behaviour is preserved when copyNumBase == 0, e.g. the generated copy numbers start
|
|
// from the count equal to current number of daughter volumes before a imprint is made
|
|
|
|
unsigned int numberOfDaughters;
|
|
|
|
if( copyNumBase == 0 ) {
|
|
numberOfDaughters = pMotherLV->GetNoDaughters();
|
|
} else {
|
|
numberOfDaughters = copyNumBase;
|
|
}
|
|
|
|
// We start from the first available index
|
|
numberOfDaughters++;
|
|
|
|
ImprintsCountPlus();
|
|
|
|
if( pRotationInMother == 0 ) {
|
|
// Make it by default an indentity matrix;
|
|
pRotationInMother = const_cast<G4RotationMatrix*>( &G4RotationMatrix::IDENTITY );
|
|
}
|
|
|
|
for( unsigned int i = 0; i < fTriplets.size(); i++ )
|
|
{
|
|
// Generate the unique name for the next PV instance
|
|
// The name has format:
|
|
//
|
|
// av_WWW_impr_XXX_YYY_ZZZ
|
|
// where the fields mean:
|
|
// WWW - assembly volume instance number
|
|
// XXX - assembly volume imprint number
|
|
// YYY - the name of a log. volume we want to make a placement of
|
|
// ZZZ - the log. volume index inside the assembly volume
|
|
std::strstream pvName;
|
|
pvName << "av_"
|
|
<< GetAssemblyID()
|
|
<< "_impr_"
|
|
<< GetImprintsCount()
|
|
<< "_"
|
|
<< fTriplets[i].GetVolume()->GetName().c_str()
|
|
<< "_pv_"
|
|
<< i
|
|
<< std::ends;
|
|
|
|
// Create the transformation in this assembly volume
|
|
G4AffineTransform Ta( fTriplets[i].GetRotation()->inverse(),
|
|
fTriplets[i].GetTranslation() );
|
|
// Create the transformation in a mother volume
|
|
G4AffineTransform Tm( pRotationInMother->inverse(),
|
|
translationInMother );
|
|
|
|
// Combine them together
|
|
G4AffineTransform Tfinal = Ta * Tm;
|
|
|
|
// Extract the final absolute transformation inside a mother
|
|
G4RotationMatrix* pFinalRotation = new G4RotationMatrix(
|
|
Tfinal.NetRotation()
|
|
);
|
|
G4ThreeVector finalTranslation = Tfinal.NetTranslation();
|
|
|
|
// Generate a new physical volume instance inside a mother
|
|
G4VPhysicalVolume* pPlaced = new G4PVPlacement(
|
|
pFinalRotation
|
|
,finalTranslation
|
|
,fTriplets[i].GetVolume()
|
|
,pvName.str()
|
|
,pMotherLV
|
|
,false
|
|
,numberOfDaughters + i
|
|
);
|
|
|
|
// Register the physical volume created by us so we can delete it later
|
|
fPVStore.push_back( pPlaced );
|
|
}
|
|
}
|
|
|
|
void G4AssemblyVolume::MakeImprint( G4LogicalVolume* pMotherLV,
|
|
G4Transform3D& transformation,
|
|
G4int copyNumBase )
|
|
{
|
|
// If needed user can specify explicitly the base count from which to start off for the generation
|
|
// of phys. vol. copy numbers
|
|
// The old behaviour is preserved when copyNumBase == 0, e.g. the generated copy numbers start
|
|
// from the count equal to current number of daughter volumes before a imprint is made
|
|
|
|
unsigned int numberOfDaughters;
|
|
|
|
if( copyNumBase == 0 ) {
|
|
numberOfDaughters = pMotherLV->GetNoDaughters();
|
|
} else {
|
|
numberOfDaughters = copyNumBase;
|
|
}
|
|
|
|
// We start from the first available index
|
|
numberOfDaughters++;
|
|
|
|
ImprintsCountPlus();
|
|
|
|
for( unsigned int i = 0; i < fTriplets.size(); i++ )
|
|
{
|
|
// Generate the unique name for the next PV instance
|
|
// The name has format:
|
|
//
|
|
// av_WWW_impr_XXX_YYY_ZZZ
|
|
// where the fields mean:
|
|
// WWW - assembly volume instance number
|
|
// XXX - assembly volume imprint number
|
|
// YYY - the name of a log. volume we want to make a placement of
|
|
// ZZZ - the log. volume index inside the assembly volume
|
|
std::strstream pvName;
|
|
pvName << "av_"
|
|
<< GetAssemblyID()
|
|
<< "_impr_"
|
|
<< GetImprintsCount()
|
|
<< "_"
|
|
<< fTriplets[i].GetVolume()->GetName().c_str()
|
|
<< "_pv_"
|
|
<< i
|
|
<< std::ends;
|
|
|
|
G4Transform3D Ta( *(fTriplets[i].GetRotation()),
|
|
fTriplets[i].GetTranslation()
|
|
);
|
|
|
|
G4Transform3D Tfinal = transformation * Ta;
|
|
|
|
// G4RotationMatrix* pFinalRotation =
|
|
// new G4RotationMatrix( Tfinal.getRotation().inverse() );
|
|
// G4ThreeVector finalTranslation = Tfinal.getTranslation();
|
|
|
|
// Generate a new physical volume instance inside a mother
|
|
G4VPhysicalVolume* pPlaced = new G4PVPlacement( Tfinal,
|
|
fTriplets[i].GetVolume(),
|
|
pvName.str(),
|
|
pMotherLV,
|
|
false,
|
|
numberOfDaughters + i );
|
|
|
|
// Register the physical volume created by us so we can delete it later
|
|
fPVStore.push_back( pPlaced );
|
|
}
|
|
}
|
|
|
|
unsigned int G4AssemblyVolume::GetInstanceCount() const
|
|
{
|
|
return G4AssemblyVolume::fsInstanceCounter;
|
|
}
|
|
|
|
void G4AssemblyVolume::SetInstanceCount( unsigned int value )
|
|
{
|
|
G4AssemblyVolume::fsInstanceCounter = value;
|
|
}
|
|
|
|
void G4AssemblyVolume::InstanceCountPlus()
|
|
{
|
|
G4AssemblyVolume::fsInstanceCounter++;
|
|
}
|
|
|
|
void G4AssemblyVolume::InstanceCountMinus()
|
|
{
|
|
G4AssemblyVolume::fsInstanceCounter--;
|
|
}
|