/usr/include/odinseq/seqacqread.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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seqacqread.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 SEQACQREAD_H
#define SEQACQREAD_H
#include <odinseq/seqacq.h>
#include <odinseq/seqdelay.h>
#include <odinseq/seqgradconst.h>
#include <odinseq/seqgradtrapez.h>
#include <odinseq/seqparallel.h>
/**
* @addtogroup odinseq
* @{
*/
/**
* \brief Acquisition + readout gradient
*
* This class represents an acquisition window with a read gradient.
*/
class SeqAcqRead : public virtual SeqAcqInterface, public SeqParallel {
// virtual functions of SeqFreqChanInterface are marhshalled to acq
public:
/**
* Constructs an acquisition window with a simultaneous read gradient labeled 'object_label' and the
* following properties:
* - sweepwidth: The sampling frequency
* - read_size: The desired matrix size in read direction
* - fov: The Field of View
* - gradchannel: The channel where the read gradient will be placed
* - os_factor: See class 'SeqAcq' for explanation
* - partial_fourier: The amount of partial Fourier undersampling (0=no undersampling, 1=half fourier)
* - partial_fourier_at_end: If set to 'true', partial Fourier will omit data at the end of the readout
* - nucleus: See class 'SeqAcq' for explanation
* - phaselist: See class 'SeqAcq' for explanation
* - freqlist: See class 'SeqAcq' for explanation
* - timestep: The time resolution for the digitised ramps, the default is to
* take minimum time step the scanner is capable of.
* - rampmode: This parameter determines the shape of the ramp waveform
*/
SeqAcqRead(const STD_string& object_label,double sweepwidth,unsigned int read_size,
float fov, direction gradchannel, float os_factor=1.0,
float partial_fourier=0.0, bool partial_fourier_at_end=false,
const STD_string& nucleus="", const dvector& phaselist=0, const dvector& freqlist=0,
float timestep = 0.0, rampType rampmode = linear);
/**
* Constructs an acquisition window with read gradient which is a copy of 'sar'
*/
SeqAcqRead(const SeqAcqRead& sar);
/**
* Constructs an empty acquisition window with read gradient with the given label.
*/
SeqAcqRead(const STD_string& object_label="unnamedSeqAcqRead");
/**
* This assignment operator will make this object become an exact copy of 'sar'.
*/
SeqAcqRead& operator = (const SeqAcqRead& sar);
/**
* Returns reference to read gradient.
*/
const SeqGradTrapez& get_readgrad() const {return read;}
// marshalling virtual functions of SeqAcqInterface to acq, except:
double get_acquisition_center() const;
double get_acquisition_start() const;
SeqAcqInterface& set_sweepwidth(double sw, float os_factor); // produce warning
private:
friend class SeqGradEcho;
// overloaded for SeqAcqDeph
const SeqVector* get_dephgrad(SeqGradChanParallel& dephobj, bool rephase) const;
void build_seq();
void common_init();
float corrected_partfour; // helper during construction
SeqAcq acq;
SeqGradTrapez read;
SeqDelay middelay;
SeqGradDelay midgrad;
SeqDelay tozero;
SeqGradTrapez readdephgrad;
SeqGradTrapez readrephgrad;
};
/** @}
*/
#endif
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