UDUnitsClass.h

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//
// $Id$
//


#ifndef _UDUnitsClass_h_
#define _UDUnitsClass_h_

#include <string>
#include <vector>
#include <map>
#include <algorithm>

union ut_unit;
struct ut_system;

namespace VAPoR {


class VDF_API UDUnits {
public:
 UDUnits();
 ~UDUnits();

 int Initialize();
  
 bool IsPressureUnit(std::string unitstr) const;

 bool IsTimeUnit(std::string unitstr) const;

 bool IsLatUnit(std::string unitstr) const;

 bool IsLonUnit(std::string unitstr) const;

 bool IsLengthUnit(std::string unitstr) const;

 bool AreUnitsConvertible(const ut_unit *unit, std::string unitstr) const;

 bool ValidUnit(std::string unitstr) const;

 bool Convert(
   const std::string from,
   const std::string to,
   const float *src,
   float *dst,
   size_t n
 ) const;

bool Convert(
    const std::string from,
    const std::string to,
    const double *src,
    double *dst,
    size_t n
) const;

 void DecodeTime(
    double seconds, int* year, int* month, int* day,
    int* hour, int* minute, int* second
 ) const;

 double EncodeTime(
    int year, int month, int day, int hour, int minute, int second
 ) const;

 std::string GetErrMsg() const;

private:
 std::map <int, std::string> _statmsg;
 int _status;
 ut_unit *_pressureUnit;
 ut_unit *_timeUnit;
 ut_unit *_latUnit;
 ut_unit *_lonUnit;
 ut_unit *_lengthUnit;
 ut_system *_unitSystem;

};
};
#endif