//******************************************************************************
//** SCATMECH: Polarized Light Scattering C++ Class Library
//** 
//** File: subsphere.h
//**
//** Thomas A. Germer
//** Optical Technology Division, National Institute of Standards and Technology
//** 100 Bureau Dr. Stop 8443; Gaithersburg, MD 20899-8443
//** Phone: (301) 975-2876; FAX: (301) 975-6991
//** Email: thomas.germer@nist.gov
//**
//** Version: 6.00 (February 2008)
//**
//******************************************************************************
#ifndef SCATMECH_SUBSURFACE_PARTICLE_H
#define SCATMECH_SUBSURFACE_PARTICLE_H

#include "local.h"
#include "sphrscat.h"
#include "filmtran.h"


namespace SCATMECH {


    class Subsurface_Particle_BRDF_Model : public Local_BRDF_Model
    {
        public:
            DECLARE_MODEL();
            DECLARE_PARAMETER(double,depth);
            DECLARE_PARAMETER(Free_Space_Scatterer_Ptr,scatterer);
            DECLARE_PARAMETER(dielectric_stack,stack);

            // Particle can be rotated from its natural orientation...
            // Rotation of particle about z-axis...
            DECLARE_PARAMETER(double,alpha);
            // Rotation of particle about y-axis...
            DECLARE_PARAMETER(double,beta);
            // Rotation of particle about z-axis again is performed by brdf variable "rotation"
    
        
        protected:
            virtual void setup();
            virtual JonesMatrix jonesDSC();
            Matrix Euler;
            Vector rotatez(const Vector& v) const;
    };    


} // namespace SCATMECH 


#endif