GeoVXDAssembly.h

/**************************************************************************
 * basf2 (Belle II Analysis Software Framework)                           *
 * Author: The Belle II Collaboration                                     *
 *                                                                        *
 * See git log for contributors and copyright holders.                    *
 * This file is licensed under LGPL-3.0, see LICENSE.md.                  *
 **************************************************************************/
 
#pragma once
 
#include <vector>
#include <G4Transform3D.hh>
 
class G4LogicalVolume;
 
namespace Belle2 {
  namespace VXD {

    class GeoVXDAssembly {
    public:
      typedef std::pair<G4LogicalVolume*, G4Transform3D> Placement;

      void place(G4LogicalVolume* mother, const G4Transform3D& transform);

      void add(G4LogicalVolume* volume, const G4Transform3D& transform = G4Transform3D())
      {
        m_volumes.push_back(std::make_pair(volume, transform));
      }

      void add(const GeoVXDAssembly& assembly, const G4Transform3D& transform = G4Transform3D())
      {
        for (const Placement& p : assembly.m_volumes) {
          m_volumes.push_back(std::make_pair(p.first, transform * p.second));
        }
      }
 
    private:
      std::vector<Placement> m_volumes;
    };
  } //VXD namespace
} //Belle2 namespace