G4OCCTDetectorConstruction.hh

Go to the documentation of this file.

// SPDX-License-Identifier: LGPL-2.1-or-later
// Copyright (C) 2026 G4OCCT Contributors
 
 
#ifndef G4OCCT_APP_G4OCCTDetectorConstruction_hh
#define G4OCCT_APP_G4OCCTDetectorConstruction_hh
 
#include <G4String.hh>
#include <G4ThreeVector.hh>
#include <G4VUserDetectorConstruction.hh>
 
#include <memory>
#include <string>
#include <vector>
 
class G4GenericMessenger;
class G4VPhysicalVolume;
 
class G4OCCTDetectorConstruction : public G4VUserDetectorConstruction {
public:
  G4OCCTDetectorConstruction();
  ~G4OCCTDetectorConstruction() override;
 
  G4VPhysicalVolume* Construct() override;
 
  // ── Public API (callable from main() or messenger) ───────────────────────
 
  void LoadMaterial(G4String xmlFile);
 
  void AddSTEP(G4String stepFile);
 
  void AddSolid(G4String stepFile, G4String materialName = "");
 
  void AddAssembly(G4String stepFile);
 
  void SetWorldMaterial(G4String name) { fWorldMaterial = std::move(name); }
 
  void SetWorldHalfSize(G4ThreeVector halfSize) { fWorldHalfSize = halfSize; }
 
private:
  struct SolidEntry {
    std::string file;
    std::string material; 
  };
 
  struct AssemblyEntry {
    std::string file;
  };
 
  // Material XML files are stored and loaded at Construct() time so that
  // all maps can be merged before any geometry is built.
  std::vector<std::string> fMaterialXmlFiles;
  std::vector<SolidEntry> fSolidEntries;
  std::vector<AssemblyEntry> fAssemblyEntries;
  G4String fWorldMaterial{"G4_AIR"};
  G4ThreeVector fWorldHalfSize{0, 0, 0}; 
 
  std::unique_ptr<G4GenericMessenger> fLoadMessenger;
  std::unique_ptr<G4GenericMessenger> fWorldMessenger;
  std::unique_ptr<G4GenericMessenger> fVisMessenger;
 
  void DefineMessengers();
 
  static void UI(const G4String& cmd);
 
  void OpenViewer(G4String driver);
  void RefreshScene();
};
 
#endif // G4OCCT_APP_G4OCCTDetectorConstruction_hh