SeqBlock Class Reference

Sequence block. More...

#include <ExternalSequence.h>

Collaboration diagram for SeqBlock:

Public Member Functions
	SeqBlock ()
	Constructor.
bool	isRF ()
	Return true if block has RF event.
bool	isTrapGradient (int channel)
	Return true if block has trapezoid event on given channel.
bool	isArbitraryGradient (int channel)
	Return true if block has arbitrary event on given channel.
bool	isADC ()
	Return true if block has ADC readout event.
bool	isDelay ()
	Return true if block has delay.
int	GetIndex ()
	Return index of this block.
int	GetEventIndex (Event type)
	Return ID of the corresponding given event type. More...
long	GetDelay ()
	Return delay of block.
long	GetDuration ()
	Return duration of block.
int	GetGradientLength (int channel)
	Return the number of samples of the given gradient channel. Only relevant for arbitrary gradients.
GradEvent &	GetGradEvent (int channel)
	Return the gradient event of the given channel.
float *	GetGradientPtr (int channel)
	Directly get a pointer to the samples of the arbitrary gradient.
RFEvent &	GetRFEvent ()
	Return the RF event.
int	GetRFLength ()
	Return the number of samples of the RF shape.
float *	GetRFAmplitudePtr ()
	Directly get a pointer to the samples of the RF amplitude shape.
float *	GetRFPhasePtr ()
	Directly get a pointer to the samples of the RF phase shape.
ADCEvent &	GetADCEvent ()
	Return the ADC event.
std::string	GetTypeString ()
	Return a brief string description of the block.
void	free ()
	Free the memory associated with decompressed shapes of this block.

Protected Attributes
int	index
	Index of this block.
int	events [NUM_EVENTS]
	list of event indices (RF, GX, GY, GZ, ADC)
long	delay
	delay of this block (in us)
long	duration
	duration of this block (in us) used for error checking
RFEvent	rf
	RF event.
GradEvent	grad [NUM_GRADS]
	gradient events
ADCEvent	adc
	ADC event.
std::vector< float >	rfAmplitude
	RF amplitude shape (uncompressed)
std::vector< float >	rfPhase
	RF phase shape (uncompressed)
std::vector< std::vector< float > >	gradWaveforms
	Arbitrary gradient shapes for each channel (uncompressed)

Friends
class	ExternalSequence

Detailed Description

Sequence block.

A class representing a custom sequence block. As a minimum the class stores the indices of the events occurring in this block. However, the object can also store a complete description of the block after it is decompressed.

Examples:

parsemr.cpp.

Member Function Documentation

int SeqBlock::GetEventIndex ( Event  type )

inline

Return ID of the corresponding given event type.

Parameters

type	Type of event

---

The documentation for this class was generated from the following file:

• C:/MinGW/msys/1.0/home/layton/code/pulseq_public/src/ExternalSequence.h