G4GeomTestErrorList.cc

Go to the documentation of this file.

//
// ********************************************************************
// * License and Disclaimer                                           *
// *                                                                  *
// * The  Geant4 software  is  copyright of the Copyright Holders  of *
// * the Geant4 Collaboration.  It is provided  under  the terms  and *
// * conditions of the Geant4 Software License,  included in the file *
// * LICENSE and available at  http://cern.ch/geant4/license .  These *
// * include a list of copyright holders.                             *
// *                                                                  *
// * 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.  Please see the license in the file  LICENSE  and URL above *
// * for the full disclaimer and the limitation of liability.         *
// *                                                                  *
// * This  code  implementation is the result of  the  scientific and *
// * technical work of the GEANT4 collaboration.                      *
// * By using,  copying,  modifying or  distributing the software (or *
// * any work based  on the software)  you  agree  to acknowledge its *
// * use  in  resulting  scientific  publications,  and indicate your *
// * acceptance of all terms of the Geant4 Software license.          *
// ********************************************************************
//
//
// $Id$
//
// --------------------------------------------------------------------
// GEANT 4 class source file
//
// G4GeomTestErrorList
//
// Author: D.C.Williams, UCSC ([email protected])
// --------------------------------------------------------------------
 
#include "G4GeomTestErrorList.hh"
#include "G4VPhysicalVolume.hh"
#include "G4TransportationManager.hh"
#include "G4TouchableHistoryHandle.hh"
 
//
// Constructor
//
G4GeomTestErrorList::G4GeomTestErrorList( const G4VPhysicalVolume *theMother )
  : mother(theMother)
{
  FindGlobalCoordinateSystem();
}
 
 
//
// Destructor
//
G4GeomTestErrorList::~G4GeomTestErrorList() {;}
 
 
//
// AddError
//
// Add a new Error point to our list, where the point
// is given in the coordinate system of the mother
//
void G4GeomTestErrorList::AddError( const G4ThreeVector &s1,
                                    const G4ThreeVector &s2  )
{
  segments.push_back( Segment(s1,s2) );
}
 
 
//
// Accessors
//
const G4VPhysicalVolume *G4GeomTestErrorList::GetMother() const
{
  return mother;
}
 
 
//
// Return number of segments
//
G4int G4GeomTestErrorList::NumError() const
{
  return segments.size();
}
 
 
//
// GetMotherPoints
//
// Return start and end points in the coordinate system
// of the mother
//
void G4GeomTestErrorList::GetMotherPoints( G4int i, 
                                           G4ThreeVector &s1, 
                                           G4ThreeVector &s2 ) const
{
  s1 = segments[i].GetS1();
  s2 = segments[i].GetS2();
}
 
 
//
// GetGlobalPoints
//
// Return start and end points in the global coordinate system
//
void G4GeomTestErrorList::GetGlobalPoints( G4int i, 
                                           G4ThreeVector &s1, 
                                           G4ThreeVector &s2 ) const
{
  s1 = globalTranslation + globalRotation*segments[i].GetS1();
  s2 = globalTranslation + globalRotation*segments[i].GetS2();
}
 
 
//
// GetOneDaughtPoints
//
// Return start and end points in the coordinate system of
// a daughter
//
void G4GeomTestErrorList::GetOneDaughtPoints( const G4VPhysicalVolume *daught,
                                                    G4int i, 
                                                    G4ThreeVector &s1, 
                                                    G4ThreeVector &s2 ) const
{
  const G4RotationMatrix *rotation = daught->GetFrameRotation();
  const G4ThreeVector &translation = daught->GetFrameTranslation();
 
  if (rotation) {
    s1 = (*rotation)*(translation + segments[i].GetS1());
    s2 = (*rotation)*(translation + segments[i].GetS2());
  }
  else {
    s1 = translation + segments[i].GetS1();
    s2 = translation + segments[i].GetS2();
  }
}
 
 
//
// FindGlobalCoordinateSystem
//
// Calculate rotation & translation to global coordinates
//
void G4GeomTestErrorList::FindGlobalCoordinateSystem()
{
  G4TouchableHistoryHandle aTouchable =
    G4TransportationManager::GetTransportationManager()->
    GetNavigatorForTracking()->CreateTouchableHistoryHandle();
  G4AffineTransform globTransform =
    aTouchable->GetHistory()->GetTopTransform().Inverse();
 
  globalTranslation = globTransform.NetTranslation();
  globalRotation = globTransform.NetRotation();
}