/usr/include/odinseq/seqgradpulse.h is in libodin-dev 1.8.8-2ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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seqgradpulse.h - description
-------------------
begin : Tue Aug 13 2002
copyright : (C) 2000-2014 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 SEQGRADPULSE_H
#define SEQGRADPULSE_H
#include <odinseq/seqgradconst.h>
#include <odinseq/seqgradvec.h>
#include <odinseq/seqgradchanlist.h>
#include <odinseq/seqgradchanparallel.h>
/**
* @addtogroup odinseq
* @{
*/
/////////////////////////////////////////////////////////////////////////////////
/**
* \brief Constant gradient pulse
*
* This class represents a gradient pulse with a constant gradient field
*/
class SeqGradConstPulse : public SeqGradChanList {
public:
/**
* Constructs a constant gradient pulse labeled 'object_label' with the following properties:
* - gradchannel: The channel this object should be played out
* - gradstrength: The gradient strength for this object
* - gradduration: The duration of this gradient object
*/
SeqGradConstPulse(const STD_string& object_label,direction gradchannel, float gradstrength, float gradduration);
/**
* Constructs a copy of 'sgcp'
*/
SeqGradConstPulse(const SeqGradConstPulse& sgcp);
/**
* Construct an empty constant gradient pulse with the given label
*/
SeqGradConstPulse(const STD_string& object_label = "unnamedSeqGradConstPulse");
/**
* Assignment operator that makes this constant gradient pulse object become a copy of 'sgcp'
*/
SeqGradConstPulse& operator = (const SeqGradConstPulse& sgcp);
/**
* setting duration of the constant part
*/
SeqGradConstPulse& set_constduration(float duration) {constgrad.set_duration(duration);return *this;};
/**
* getting duration of the constant part
*/
double get_constduration() const {return constgrad.get_gradduration();}
// overloading virtual function from SeqGradInterface
SeqGradInterface& set_strength(float gradstrength);
private:
SeqGradConst constgrad;
SeqGradDelay offgrad;
};
/////////////////////////////////////////////////////////////////////////////////
/**
* \brief Vector of gradient pulses
*
* This class represents a gradient pulse with a constant gradient
* shape with the the strength taken from a vector. This object
* can be attached to a SeqLoop to iterate over the values in the
* vector.
*/
class SeqGradVectorPulse : public SeqGradChanList {
public:
/**
* Constructs a gradient vector pulse labeled 'object_label' with the following properties:
* - gradchannel: The channel this object should be played out
* - maxgradstrength: The maximum gradient strength for this object
* - trimarray: The vector of gradient strength values
* - gradduration: The duration of this gradient object
*/
SeqGradVectorPulse(const STD_string& object_label,direction gradchannel, float maxgradstrength,
const fvector& trimarray, float gradduration);
/**
* Constructs a copy of 'sgvp'
*/
SeqGradVectorPulse(const SeqGradVectorPulse& sgvp);
/**
* Construct an empty gradient pulse with the given label
*/
SeqGradVectorPulse(const STD_string& object_label = "unnamedSeqGradVectorPulse");
/**
* Assignment operator that makes this constant gradient pulse object become a copy of 'sgvp'
*/
SeqGradVectorPulse& operator = (const SeqGradVectorPulse& sgvp);
/**
* Specifies the trim values that will be used
*/
SeqGradVectorPulse& set_trims(const fvector& trims) { vectorgrad.set_trims(trims); return *this;}
/**
* Returns the trim values that will be used
*/
fvector get_trims() const {return vectorgrad.get_trims();}
/**
* Sets the reordering scheme and the number of segments
*/
SeqGradVectorPulse& set_reorder_scheme(reorderScheme scheme,unsigned int nsegments=1) {vectorgrad.set_reorder_scheme(scheme,nsegments); return *this;}
/**
* Sets the phase encoding scheme and the number of phase encoding steps
*/
SeqGradVectorPulse& set_encoding_scheme(encodingScheme scheme) {vectorgrad.set_encoding_scheme(scheme); return *this;}
/**
* Returns the reordering vector (for loop insertion)
*/
const SeqVector& get_reorder_vector() const {return vectorgrad.get_reorder_vector();}
/**
* setting duration of the gradient vector part
*/
SeqGradVectorPulse& set_constduration(float duration){vectorgrad.set_duration(duration);return *this;};
/**
* getting duration of the gradient vector part
*/
double get_constduration() const {return vectorgrad.get_gradduration();}
/**
* conversion operator for loop insertion
*/
operator const SeqVector& () const {return vectorgrad;}
// overloading virtual function from SeqGradInterface
SeqGradInterface& set_strength(float gradstrength);
private:
friend class SeqGradPhaseEnc;
friend class SeqGradEcho;
SeqGradVector vectorgrad;
SeqGradDelay offgrad;
};
/** @}
*/
#endif
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