otbSIXSTraits.h

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/*=========================================================================

  Program:   ORFEO Toolbox
  Language:  C++
  Date:      $Date$
  Version:   $Revision$


  Copyright (c) Centre National d'Etudes Spatiales. All rights reserved.
  See OTBCopyright.txt for details.


     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notices for more information.

=========================================================================*/
#ifndef __otbSIXSTraits_h
#define __otbSIXSTraits_h

#include "otbAtmosphericCorrectionParameters.h"

namespace otb
{

class ITK_EXPORT SIXSTraits
{
public:

  typedef SIXSTraits Self;

  typedef FilterFunctionValues                               WavelengthSpectralType;
  typedef AtmosphericCorrectionParameters::AerosolModelType  AerosolModelType;
  typedef WavelengthSpectralType::WavelengthSpectralBandType WavelengthSpectralBandType;
  typedef WavelengthSpectralType::ValuesVectorType           ValuesVectorType;

  static void ComputeAtmosphericParameters(
    const double SolarZenithalAngle,                                        
    const double SolarAzimutalAngle,                                        
    const double ViewingZenithalAngle,                                      
    const double ViewingAzimutalAngle,                                      
    const unsigned int Month,                                               
    const unsigned int Day,                                                 
    const double AtmosphericPressure,                                       
    const double WaterVaporAmount,                                          
    const double OzoneAmount,                                               
    const AerosolModelType&      AerosolModel,                              
    const double AerosolOptical,                                            
    WavelengthSpectralType* WavelengthSpectralBand,                 
    double&                AtmosphericReflectance,                  
    double&                AtmosphericSphericalAlbedo,              
    double&                TotalGaseousTransmission,                
    double&                DownwardTransmittance,                   
    double&                UpwardTransmittance,                     
    double&                UpwardDiffuseTransmittance,              
    double&                UpwardDirectTransmittance,               
    double&                UpwardDiffuseTransmittanceForRayleigh,   
    double&                UpwardDiffuseTransmittanceForAerosol     
    );

  static void ComputeWavelengthSpectralBandValuesFor6S(
    const double SIXSStepOfWavelengthSpectralBandValues,
    WavelengthSpectralType* WavelengthSpectralBand
    );

  static void ComputeEnvironmentalContribution(const double diffuseTransmittanceForRayleighScattering,
                                               const double diffuseTransmittanceForAerosolScattering,
                                               const double radiusInKilometers,
                                               const double altitude,
                                               const double cosineOfViewingAngle,
                                               double& rayleighEstimation,
                                               double& aerosolEstimation,
                                               double& globalEstimation);
};

} // namespace otb

#endif