source: JEM-EUSO/esaf_cc_at_lal/packages/common/atmosphere/include/NoClouds.hh @ 114

// $Id: NoClouds.hh 2794 2008-02-11 07:56:34Z naumov $
// Author: Sylvain Moreggia   2005/04/13

/*****************************************************************************
 * ESAF: Euso Simulation and Analysis Framework                              *
 *                                                                           *
 *  Id: NoClouds                                                           *
 *  Package: Atmosphere                                                   *
 *  Coordinator: Moreggia S.                                               *
 *                                                                           *
 *****************************************************************************/

#ifndef __NOCLOUDS_HH__
#define __NOCLOUDS_HH__

#include "euso.hh"
#include "Clouds.hh"
#include "EarthVector.hh"
#include <TMath.h>

////////////////////////////////////////////////////////////////////////////////
//                                                                            //
// NoClouds                                                                 //
//                                                                            //  
// When no clouds in the simulation. Returns dummy values.                   //  
//                                                                            //  
////////////////////////////////////////////////////////////////////////////////

class NoClouds : public Clouds {
public:
    // ctor
    NoClouds();
    
    // dtor
    virtual ~NoClouds();
    
    // Return no impact, i.e. (0,0,HUGE)
    inline virtual EarthVector GetCloudImpact(const EarthVector& pos, const EarthVector& dir,string opt = "default") const {return EarthVector(0,0,HUGE);}

    // to know if a position is within clouds
    virtual Bool_t IsInClouds(const EarthVector&) const {return false;}

    // Returns the total OD along a direction
    virtual Double_t TotalOD(const EarthVector&,const EarthVector&) const {return 0;}
    
    // returns a scattering position along a given track
    virtual EarthVector RandomScatPos(const EarthVector&,const EarthVector&) const {return EarthVector(0,0,HUGE);}
    
    // set incoming direction to the outgoing direction after scattering
    virtual void RandomDir(EarthVector&) const {}
    
    // clouds scattering phase function - Normalized when integrated over full solid angle
    virtual Double_t PhaseFunction(const EarthVector&,const EarthVector&) const {return 0;}
    
    // clouds scattering phase function - Normalized when integrated over full solid angle
    // truncated because the strong forward peak (mie scattering) is removed
    virtual Double_t TruncatedPhaseFunction(const EarthVector&,const EarthVector&) const {return 0;}
    
    // returns maximum value of currently used scattering phase function
    virtual Double_t GetMaxPhaseFunction(string opt = "real") const {return 0.;}
    
    
    // reset
    virtual void Reset() {}

private:
    
    // read config files
    virtual void Configure() {}
    
    // build the configured object
    virtual void Build() {}

    ClassDef(NoClouds,0)
};

#endif  /* __NOCLOUDS_HH__ */