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/**
* \file GyotoThinDiskPL.h
* \brief A subclass of ThinDisk emitting according to a powerlaw
*
* The target of ray-traced Gyoto::Photon
*/
/*
Copyright 2012-2018 Frederic Vincent, Thibaut Paumard
This file is part of Gyoto.
Gyoto is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Gyoto is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Gyoto. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __GyotoThinDiskPL_H_
#define __GyotoThinDiskPL_H_
#include <iostream>
#include <fstream>
#include <iomanip>
namespace Gyoto{
namespace Astrobj { class ThinDiskPL; }
}
//#include <GyotoMetric.h>
#include <GyotoThinDisk.h>
#include <GyotoBlackBodySpectrum.h>
/**
* \class Gyoto::Astrobj::ThinDiskPL
* \brief Geometrically thin disk with black-body emission
*
* Temperature varies with a power-law from the inner radius outwards:
*
* &T; = &T;<SUB>0</SUB> (r<SUB>cur</SUB>/r<SUB>inner</SUB>)<SUP>α</SUP>
*
*/
class Gyoto::Astrobj::ThinDiskPL : public Astrobj::ThinDisk {
friend class Gyoto::SmartPointer<Gyoto::Astrobj::ThinDiskPL>;
private:
double slope_; ///< Power law index
double Tinner_; ///< Reference temperature assumed at inner radius
protected:
SmartPointer<Spectrum::BlackBody> spectrumBB_; ///< disk black body
// Constructors - Destructor
// -------------------------
public:
GYOTO_OBJECT;
GYOTO_OBJECT_THREAD_SAFETY;
ThinDiskPL(); ///< Standard constructor
ThinDiskPL(const ThinDiskPL& ) ;///< Copy constructor
virtual ThinDiskPL* clone () const; ///< Cloner
virtual ~ThinDiskPL() ; ///< Destructor
// Accessors
// ---------
public:
void Slope(double);
double Slope()const;
void Tinner(double);
double Tinner()const;
public:
using ThinDisk::emission;
virtual double emission(double nu_em, double dsem,
state_t const &c_ph,double const c_obj[8]=NULL) const;
};
#endif
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