G4ToolsSGSceneHandler.hh

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// John Allison  6th October 2020
 
#ifndef G4TOOLSSGSCENEHANDLER_HH
#define G4TOOLSSGSCENEHANDLER_HH
 
#include "G4VSceneHandler.hh"
 
#include "G4VVisCommand.hh"
 
#include <vector>
 
#include <tools/sg/separator>
 
namespace tools {namespace sg {class base_freetype;}}
namespace tools {namespace sg {class plots;}}
 
class G4ToolsSGNode;
 
class G4ToolsSGSceneHandler: public G4VSceneHandler {
  typedef G4VSceneHandler parent;
public:  
  virtual void AddPrimitive(const G4Polyline&);
  virtual void AddPrimitive(const G4Text&);
  virtual void AddPrimitive(const G4Circle&);
  virtual void AddPrimitive(const G4Square&);
  virtual void AddPrimitive(const G4Polymarker&);
  virtual void AddPrimitive(const G4Polyhedron&);
  virtual void AddPrimitive(const G4Plotter&);
  
  virtual void ClearStore ();
  virtual void ClearTransientStore ();
 
  G4ToolsSGSceneHandler(G4VGraphicsSystem& system,const G4String& name);
  virtual ~G4ToolsSGSceneHandler();
 
  tools::sg::separator& GetTransient2DObjects() {return fpTransient2DObjects;}
  tools::sg::separator& GetPersistent2DObjects() {return fpPersistent2DObjects;}
  tools::sg::separator& GetTransient3DObjects() {return fpTransient3DObjects;}
  tools::sg::separator& GetPersistent3DObjects() {return fpPersistent3DObjects;}
  
  void TouchPlotters(tools::sg::node&);
 
protected:  
  G4ToolsSGSceneHandler(const G4ToolsSGSceneHandler&);
  G4ToolsSGSceneHandler& operator=(const G4ToolsSGSceneHandler&){return *this;}
 
protected:
  void CreateSG();
  void EstablishBaseNodes();
  tools::sg::separator* GetOrCreateNode();  // For next solid or primitive
 
  void SetPlotterHistograms(tools::sg::plots&);
 
  static G4int fSceneIdCount;
 
  tools::sg::separator fpTransient2DObjects;
  tools::sg::separator fpPersistent2DObjects;
  
  tools::sg::separator fpTransient3DObjects;
  tools::sg::separator fpPersistent3DObjects;
 
  std::vector<G4ToolsSGNode*> fpPhysicalVolumeObjects;  // Multiple worlds
 
  tools::sg::base_freetype* fFreetypeNode;
  
  using Region_h1 = std::pair<unsigned int,int>;
  using Region_h2 = std::pair<unsigned int,int>;
  std::vector<Region_h1> fRegionH1s;
  std::vector<Region_h2> fRegionH2s;
 
  class Messenger: public G4VVisCommand {
  public:  
    static void Create() {static Messenger s_messenger;}
    virtual void SetNewValue(G4UIcommand*,G4String);
  private:  
    Messenger() {
      print_plotter_params = new G4UIcommand("/vis/tsg/plotter/printParameters", this);
      print_plotter_params->SetGuidance("Print available tools::sg::plotter parameters.");
    }
    virtual ~Messenger() {
      delete print_plotter_params;
    }
    G4UIcommand* print_plotter_params;
  };
 
};
 
#endif