EBStruct.h

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/***********************************************************************************/
/*  Copyright 2009-2015 WSL Institute for Snow and Avalanche Research    SLF-DAVOS      */
/***********************************************************************************/
/* This file is part of Alpine3D.
    Alpine3D is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
    Alpine3D is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
    along with Alpine3D.  If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef EBSTRUCT_H
#define EBSTRUCT_H
 
// Ssolar contains the information for sun position
 typedef struct
 {
 
        double ecc_corr;       // correction due to the eccentricity of the earth's orbit
        double decl;           // solar declination: angle between the vector earth/sun
                               // and the equatorial plane
        double eq_time;        // equation of time
        double azi;            // solar azimuth
        double elev;           // solar elevation
        double toa_h;          // incoming irradiance on horizontal area on top of the atmosphere
        double solar_time;     // true solar time
        double hr_angle;
 
} Ssolar;
 
// Smeteo contains the meteo input information as well as time information and atmosphere correction factors
 typedef struct
 {
        int hh;                // actual hour
        double gr;             // incoming global radiation
        double ea;             // atmospheric emissivity (longwave radiation, cloud cover)
        double tdirhor;        // at station or biggest theoretical incident direct solar radiation on a flat field
        double tdiff;          // at station or biggest theoretical clear sky diffuse radiation
        double Md;             // splitting coefficient for direct and diffuse solar radiation
 
 } Smeteo;
 
 #endif