seqgradconst.h

/***************************************************************************
                          seqgradconst.h  -  description
                             -------------------
    begin                : Tue Aug 13 2002
    copyright            : (C) 2000-2021 by Thies H. Jochimsen
    email                : thies@jochimsen.de
 ***************************************************************************/
 
/***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/
 
#ifndef SEQGRADCONST_H
#define SEQGRADCONST_H
 
#include <odinseq/seqgradchan.h>
 
class SeqGradConst : public SeqGradChan {
 
 public:
 
  SeqGradConst(const STD_string& object_label,direction gradchannel,
                            float gradstrength, double gradduration);
 
  SeqGradConst(const SeqGradConst& sgc);
 
  SeqGradConst(const STD_string& object_label = "unnamedSeqGradConst" );
 
  SeqGradConst& operator = (const SeqGradConst& sgc);
 
 private:
  friend class SeqGradVector;
 
  // overwriting virtual functions from SeqClass
  bool prep();
 
 
  // overwriting virtual functions from SeqGradChan
  SeqGradChan& get_subchan(double starttime, double endtime) const;
  STD_string get_grdpart(float matrixfactor) const;
  float get_integral() const {return get_strength() * get_duration();}
 
 
};
 
 
 
class SeqGradDelay : public SeqGradChan {
 
 public:
 
  SeqGradDelay(const STD_string& object_label, direction gradchannel, double gradduration);
 
  SeqGradDelay(const SeqGradDelay& sgd);
 
  SeqGradDelay(const STD_string& object_label = "unnamedSeqGradDelay" );
 
  SeqGradDelay& operator = (const SeqGradDelay& sgd);
 
 
  // overwriting virtual functions from SeqGradInterface
  float get_strength() const {return 0.0;} // always return zero strength
 
 
 private:
  // overwriting virtual functions from SeqGradChan
  SeqGradChan& get_subchan(double starttime, double endtime) const;
  STD_string get_grdpart(float matrixfactor) const;
  float get_integral() const {return 0.0;}
 
};
 
 
#endif