HelpersHBEFA.h

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/****************************************************************************/
// Helper methods for HBEFA-based emission computation
/****************************************************************************/
// SUMO, Simulation of Urban MObility; see http://sumo.sourceforge.net/
// Copyright 2001-2010 DLR (http://www.dlr.de/) and contributors
/****************************************************************************/
//
//   This program is free software; you can redistribute it and/or modify
//   it under the terms of the GNU General Public License as published by
//   the Free Software Foundation; either version 2 of the License, or
//   (at your option) any later version.
//
/****************************************************************************/
#ifndef HelpersHBEFA_h
#define HelpersHBEFA_h


// ===========================================================================
// included modules
// ===========================================================================
#ifdef _MSC_VER
#include <windows_config.h>
#else
#include <config.h>
#endif

#include <vector>
#include <cassert>
#include "StdDefs.h"
#include "SUMOVehicleClass.h"
#include <limits>
#include <cmath>


// ===========================================================================
// definitions
// ===========================================================================
#ifndef PI
#define PI 3.1415926535897932384626433832795
#endif


// ===========================================================================
// class definitions
// ===========================================================================
class HelpersHBEFA {
public:
    static SUMOReal computeCO(SUMOEmissionClass c, double v, double a) throw();


    static SUMOReal computeCO2(SUMOEmissionClass c, double v, double a) throw();


    static SUMOReal computeHC(SUMOEmissionClass c, double v, double a) throw();


    static SUMOReal computeNOx(SUMOEmissionClass c, double v, double a) throw();


    static SUMOReal computePMx(SUMOEmissionClass c, double v, double a) throw();


    static SUMOReal computeFuel(SUMOEmissionClass c, double v, double a) throw();


private:
    static inline double *getParameterForClass(SUMOEmissionClass c) throw() {
        return myFunctionParameter[c];
    }


    static inline double computeUsing(double *f, double v, double a) throw() {
        if (a<0) {
            return 0.;
        }
        v = v * 3.6;
        double alpha = asin(a/9.81)*180./PI;
        return MAX2(((f[0] + f[1]*alpha*v + f[2]*alpha*alpha*v + f[3]*v + f[4]*v*v + f[5]*v*v*v) / 3600.), 0.);
    }


private:
    static double myFunctionParameter[42][36];

};


#endif

/****************************************************************************/