DDAncillary.h

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/*******************************************************************************
 *
 * NAME: DDAncillary.h
 *
 * DESCRIPTION: Object class that supports reading and interpolation of
 * ancillary data extracted from MERA2 files.
 *
 *  Created on: April 11, 2019
 *      Author: Sam Anderson, NASA Ocean Color
 *
 *******************************************************************************/
 
#ifndef DDAncillary_H_
#define DDAncillary_H_
 
#include <DDProcess.h>
 
using namespace std;
 
const int NMLONS = 576;
const int NMLATS = 361;
 
struct metio {
    float ps;
    float oz;
    float pw;
    float ws;
    float wd;
};
 
struct met_lut {
    float ps[NMLATS][NMLONS];
    float oz[NMLATS][NMLONS];
    float pw[NMLATS][NMLONS];
    float u_ws[NMLATS][NMLONS];
    float v_ws[NMLATS][NMLONS];
};
 
class DDProcess;
 
class DDAncillary
{
public:
 
//  Class constructor
    DDAncillary ();
 
//  Class destructor
    ~DDAncillary ();
 
//  Initialize lut
    int initialize( int hr, int min );
 
//  Retrieve meteorology
    map<string,ddata*> read( map<string,ddata*> imap );
 
protected:
 
// Meteorology LUT
 
    met_lut* lut_;
 
// Member functions
 
    int   read_merra2_file(const string filename, met_lut* lut);
 
    int   get_met(const float lat, const float lon, metio* io );
 
    int   get_interp_indexes(const float lat, const float lon,
                             int& i1, int& i2, int& j1, int& j2);
 
    float index2lat(const int index);
    float index2lon(const int index);
    int   lat2index(const float lat);
    int   lon2index(const float lon);
};
 
#endif /* DDAncillary_H_ */