SpiralGradPulse.h

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/*
 *  JEMRIS Copyright (C) 
 *                        2006-2025  Tony Stoecker
 *                        2007-2018  Kaveh Vahedipour
 *                        2009-2019  Daniel Pflugfelder
 *                                  
 *
 *  This program 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 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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 this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */
 
#ifndef _SPIRALGRADPULSE_H
#define _SPIRALGRADPULSE_H
 
#include <cmath>
 
#include "GradPulse.h"
#include "mtg_functions.h"
 
// Spiral Gradient calculated with time optimal gradients (Lustig et. al.)
 
class SpiralGradPulse : public GradPulse {
        
 public:
        
    SpiralGradPulse               ();
        
    SpiralGradPulse               (const SpiralGradPulse&);
        
    ~SpiralGradPulse              ();
 
    inline SpiralGradPulse* Clone () const {return (new SpiralGradPulse(*this));};
 
    virtual bool     Prepare      (const PrepareMode mode);
 
    virtual double   GetGradient  (double const time);
 
 protected:
    virtual string          GetInfo        ();
 
    double  m_intl;              
    double  m_grad_raster_time;  
    double  m_fov;               
    double  m_res;               
         int     m_inward;            
         size_t  m_samples;           
        std::vector<double> m_amps;   
};
 
#endif /*_SPIRALGRADPULSE_H*/