Geant4Converter.cpp

      else {
        char txt[32];
        ::snprintf(txt, sizeof(txt), "%d", ++s_idd);
        id = txt;
      }
      processors.insert(make_pair(id, nam));
    }
  }
  for (map<string, string>::const_iterator i = processors.begin(); i != processors.end(); ++i) {
    const GeoHandler* hdlr = this;
    string nam = (*i).second;
    const Detector::PropertyValues& vals = prp[nam];
    string type = vals.find("type")->second;
    string tag = type + "_Geant4_action";
    long result = PluginService::Create<long>(tag, &m_detDesc, hdlr, &vals);
    if (0 == result) {
      throw runtime_error("Failed to locate plugin to interprete files of type"
                          " \"" + tag + "\" - no factory:" + type);
    }
    result = *(long*) result;
    if (result != 1) {
      throw runtime_error("Failed to invoke the plugin " + tag + " of type " + type);
    }
    printout(outputLevel, "Geant4Converter", "+++++ Executed Successfully Geant4 setup module *%s*.", type.c_str());
  }
}

/// Convert the geometry type SensitiveDetector into the corresponding Geant4 object(s).
void Geant4Converter::printSensitive(SensitiveDetector sens_det, const set<const TGeoVolume*>& /* volumes */) const {
  Geant4GeometryInfo&     info = data();
  set<const TGeoVolume*>& volset = info.sensitives[sens_det];
  SensitiveDetector       sd = sens_det;
  stringstream str;

  printout(INFO, "Geant4Converter", "++ SensitiveDetector: %-18s %-20s Hits:%-16s", sd.name(), ("[" + sd.type() + "]").c_str(),
           sd.hitsCollection().c_str());
  str << "                    | " << "Cutoff:" << setw(6) << left << sd.energyCutoff() << setw(5) << right << volset.size()
      << " volumes ";
  if (sd.region().isValid())
    str << " Region:" << setw(12) << left << sd.region().name();
  if (sd.limits().isValid())
    str << " Limits:" << setw(12) << left << sd.limits().name();
  str << ".";
  printout(INFO, "Geant4Converter", str.str().c_str());

  for (const auto i : volset )  {
    map<Volume, G4LogicalVolume*>::iterator v = info.g4Volumes.find(i);
    G4LogicalVolume* vol = (*v).second;
    str.str("");
    str << "                                   | " << "Volume:" << setw(24) << left << vol->GetName() << " "
        << vol->GetNoDaughters() << " daughters.";
    printout(INFO, "Geant4Converter", str.str().c_str());
  }
}

string printSolid(G4VSolid* sol) {
  stringstream str;
  if (typeid(*sol) == typeid(G4Box)) {
    const G4Box* b = (G4Box*) sol;
    str << "++ Box: x=" << b->GetXHalfLength() << " y=" << b->GetYHalfLength() << " z=" << b->GetZHalfLength();
  }
  else if (typeid(*sol) == typeid(G4Tubs)) {
    const G4Tubs* t = (const G4Tubs*) sol;
    str << " Tubs: Ri=" << t->GetInnerRadius() << " Ra=" << t->GetOuterRadius() << " z/2=" << t->GetZHalfLength() << " Phi="
        << t->GetStartPhiAngle() << "..." << t->GetDeltaPhiAngle();
  }
  return str.str();
}

/// Print G4 placement
void* Geant4Converter::printPlacement(const string& name, const TGeoNode* node) const {
  Geant4GeometryInfo& info = data();
  G4VPhysicalVolume* g4 = info.g4Placements[node];
  G4LogicalVolume* vol = info.g4Volumes[node->GetVolume()];
  G4LogicalVolume* mot = info.g4Volumes[node->GetMotherVolume()];
  G4VSolid* sol = vol->GetSolid();
  G4ThreeVector tr = g4->GetObjectTranslation();

  G4VSensitiveDetector* sd = vol->GetSensitiveDetector();
  if (!sd)  {
    return g4;
  }
  stringstream str;
  str << "G4Cnv::placement: + " << name << " No:" << node->GetNumber() << " Vol:" << vol->GetName() << " Solid:"
      << sol->GetName();
  printout(outputLevel, "G4Placement", str.str().c_str());
  str.str("");
  str << "                  |" << " Loc: x=" << tr.x() << " y=" << tr.y() << " z=" << tr.z();
  printout(outputLevel, "G4Placement", str.str().c_str());
  printout(outputLevel, "G4Placement", printSolid(sol).c_str());
  str.str("");
  str << "                  |" << " Ndau:" << vol->GetNoDaughters() << " physvols." << " Mat:" << vol->GetMaterial()->GetName()
      << " Mother:" << (char*) (mot ? mot->GetName().c_str() : "---");
  printout(outputLevel, "G4Placement", str.str().c_str());
  str.str("");
  str << "                  |" << " SD:" << sd->GetName();
  printout(outputLevel, "G4Placement", str.str().c_str());
  return g4;
}

template <typename O, typename C, typename F> void handleRefs(const O* o, const C& c, F pmf) {
  for (typename C::const_iterator i = c.begin(); i != c.end(); ++i) {
    //(o->*pmf)((*i)->GetName(), *i);
    (o->*pmf)("", *i);
  }
}
template <typename O, typename C, typename F> void handle(const O* o, const C& c, F pmf) {
  for (typename C::const_iterator i = c.begin(); i != c.end(); ++i) {
    (o->*pmf)((*i)->GetName(), *i);
  }
}

template <typename O, typename C, typename F> void handleMap(const O* o, const C& c, F pmf) {
  for (typename C::const_iterator i = c.begin(); i != c.end(); ++i)
    (o->*pmf)((*i).first, (*i).second);
}

template <typename O, typename C, typename F> void handleRMap(const O* o, const C& c, F pmf) {
  for (typename C::const_reverse_iterator i = c.rbegin(); i != c.rend(); ++i)  {
    //cout << "Handle RMAP [ " << (*i).first << " ]" << endl;
    handle(o, (*i).second, pmf);
  }
}

/// Create geometry conversion
Geant4Converter& Geant4Converter::create(DetElement top) {
  Geant4GeometryInfo& geo = this->init();
  World wrld = top.world();
  m_data->clear();
  geo.manager = &wrld.detectorDescription().manager();
  collect(top, geo);
  checkOverlaps = false;
  // We do not have to handle defines etc.
  // All positions and the like are not really named.
  // Hence, start creating the G4 objects for materials, solids and log volumes.

  //outputLevel = WARNING;
  //setPrintLevel(VERBOSE);

  handle(this, geo.volumes, &Geant4Converter::collectVolume);
  handle(this, geo.solids,  &Geant4Converter::handleSolid);
  printout(outputLevel, "Geant4Converter", "++ Handled %ld solids.", geo.solids.size());
  handleRefs(this, geo.vis, &Geant4Converter::handleVis);
  printout(outputLevel, "Geant4Converter", "++ Handled %ld visualization attributes.", geo.vis.size());
  handleMap(this, geo.limits, &Geant4Converter::handleLimitSet);
  printout(outputLevel, "Geant4Converter", "++ Handled %ld limit sets.", geo.limits.size());
  handleMap(this, geo.regions, &Geant4Converter::handleRegion);
  printout(outputLevel, "Geant4Converter", "++ Handled %ld regions.", geo.regions.size());
  handle(this, geo.volumes, &Geant4Converter::handleVolume);
  printout(outputLevel, "Geant4Converter", "++ Handled %ld volumes.", geo.volumes.size());
  handleRMap(this, *m_data, &Geant4Converter::handleAssembly);
  // Now place all this stuff appropriately
  handleRMap(this, *m_data, &Geant4Converter::handlePlacement);
  //==================== Fields
  handleProperties(m_detDesc.properties());
  if ( printSensitives )  {
    handleMap(this, geo.sensitives, &Geant4Converter::printSensitive);
  }
  if ( printPlacements )  {
    handleRMap(this, *m_data, &Geant4Converter::printPlacement);
  }

  geo.setWorld(top.placement().ptr());
  geo.valid = true;
  printout(INFO, "Geant4Converter", "+++  Successfully converted geometry to Geant4.");
  return *this;
}