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/******************************************************************************
* $Id: reflectancecalculator.h 15064 2008-07-28 19:10:23Z mloskot $
*
* Purpose: Interface of ReflectanceCalculator class. Calculate reflectance
* values from radiance, for visual bands.
* Author: Bas Retsios, retsios@itc.nl
*
******************************************************************************
* Copyright (c) 2004, ITC
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
******************************************************************************/
#if !defined(AFX_REFLECTANCECALCULATOR_H__C9960E01_2A1B_41F0_B903_7957F11618D2__INCLUDED_)
#define AFX_REFLECTANCECALCULATOR_H__C9960E01_2A1B_41F0_B903_7957F11618D2__INCLUDED_
#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
#include <string>
class ReflectanceCalculator
{
public:
ReflectanceCalculator(std::string sTimeStamp, double rRTOA);
virtual ~ReflectanceCalculator();
double rGetReflectance(double rRadiance, double rLat, double rLon) const;
private:
double rZenithAngle(double phi, double rDeclin, double rHourAngle) const;
const double rDeclination() const;
double rHourAngle(double lam) const;
const double rSunDistance() const;
int iDaysInYear(int iYear) const;
int iDaysInMonth(int iMonth, int iYear) const;
const double m_rRTOA; // solar irradiance on Top of Atmosphere
int m_iYear; // e.g. 2005
int m_iDay; // 1-365/366
double m_rHours; // 0-24
};
#endif // !defined(AFX_REFLECTANCECALCULATOR_H__C9960E01_2A1B_41F0_B903_7957F11618D2__INCLUDED_)
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