MferReader Class Reference

A MFER reader class. More...

#include <mferreader.h>

List of all members.

Classes

struct mfer_frame_t

Type for wrapping a MFER frame. More...

struct mfer_tags_t

Type for wrapping a MFER tag (TLV). More...

Public Types

enum MFER_TAGS {
  MWF_IVL = 0x0B,
  MWF_SEN = 0x0C,
  MWF_BLK = 0x04,
  MWF_CHN = 0x05,
  MWF_SEQ = 0x06,
  MWF_WFM = 0x08,
  MWF_LDN = 0x09,
  MWF_WAV = 0x1E,
  MWF_ATT = 0x3F,
  MWF_DTP = 0x0A,
  MWF_OFF = 0x0D,
  MWF_NUL = 0x12,
  MWF_CMP = 0x0E,
  MWF_BLE = 0x01,
  MWF_PNT = 0x07,
  MWF_ZRO = 0x00,
  MWF_PRE = 0x40,
  MWF_MAN = 0x17,
  MWF_EVT = 0x41,
  MWF_INF = 0x15,
  MWF_CND = 0x44,
  MWF_NTE = 0x16,
  MWF_VER = 0x02,
  MWF_TXC = 0x03,
  MWF_FLT = 0x11,
  MWF_IPD = 0x0F,
  MWF_INVALID = 0xFF
}

enum SamplingRateUnit {
  Frequency_hz = 0,
  Time_interval_sec = 1,
  Distance_m = 2
}

enum SamplingResolutionUnit {
  Volt = 0,
  mmHg_Torr = 1,
  Pa = 2,
  cmH2O = 3,
  mmHg_s = 4,
  dyne = 5,
  Newton = 6
}

enum WaveformType {
  UNDEFINED = 0,
  ECG_STD12 = 1,
  ECG_LTERM = 2,
  ECG_VECTR = 3,
  ECG_EXCER = 4,
  ECG_INTR = 5,
  ECG_SURF = 6,
  ECG_ILATE = 7,
  ECG_LATE = 8
}

enum WaveformCode {
  Lead_I = 1,
  Lead_2 = 2,
  Lead_V1 = 3,
  Lead_V2 = 4,
  Lead_V3 = 5,
  Lead_V4 = 6,
  Lead_V5 = 7,
  Lead_V6 = 8,
  Lead_V7 = 9
}

typedef struct
MferReader::mfer_tags_t mfer_tags

typedef qint16 mfer_data_block

typedef struct
MferReader::mfer_frame_t mfer_frame

typedef void(MferReader::* pt2mem )(char *, int)

typedef std::map< MFER_TAGS,
pt2mem > parseFuncMap

typedef std::map< MFER_TAGS,
pt2mem >::const_iterator parseFuncMap_cit

Public Member Functions

MferReader (const QString &filename="")

bool readFile (const QString &filename)

int fillData (QVector< QVector< double > > &pDest, int screennumber, int channel)

bool isValid () const

QPointF lineAxisBounds () const

int samplesprSecond () const

Public Attributes

QVector< mfer_tags > tagsVector

mfer_frame mferFrame

QByteArray baTemp

Detailed Description

A MFER reader class.

MferReader is a class which parses a file encoded after the MFER ISO standard (ISO/TS 11073-92001). Files are encoded using TLV (tag length value) concept.

Definition at line 35 of file mferreader.h.

Member Typedef Documentation

typedef qint16 MferReader::mfer_data_block

Type for waveform data.

Definition at line 147 of file mferreader.h.

typedef struct MferReader::mfer_frame_t MferReader::mfer_frame

Type for wrapping a MFER frame.

typedef struct MferReader::mfer_tags_t MferReader::mfer_tags

Type for wrapping a MFER tag (TLV).

typedef std::map<MFER_TAGS, pt2mem> MferReader::parseFuncMap

Type for list of parsing function pointers.

Definition at line 163 of file mferreader.h.

typedef std::map<MFER_TAGS, pt2mem>::const_iterator MferReader::parseFuncMap_cit

Type for const iterator to list of parsing functions.

Definition at line 165 of file mferreader.h.

typedef void(MferReader::* MferReader::pt2mem)(char *, int)

Type for parsing functions pointers.

Definition at line 161 of file mferreader.h.

Member Enumeration Documentation

enum MferReader::MFER_TAGS

List of MFER tags.

Enumerator:

MWF_IVL	Sampling rate.
MWF_SEN	Sampling resolution.
MWF_BLK	Data block length.
MWF_CHN	Number of channels.
MWF_SEQ	Number of sequences.
MWF_WFM	Waveform class.
MWF_LDN	Waveform attributes (lead name, etc.).
MWF_WAV	Wavefrom data.
MWF_ATT	Channel attributes (channel definitioin).
MWF_DTP	Data type.
MWF_OFF	Offset value.
MWF_NUL	NULL value.
MWF_CMP	Compression.
MWF_BLE	Endianity.
MWF_PNT	Pointer.
MWF_ZRO	Blank/End-of-contents.
MWF_PRE	Preamble.
MWF_MAN	Manufacturer information of medical device.
MWF_EVT	Event.
MWF_INF	Waveform information.
MWF_CND	Acquisition of processing information.
MWF_NTE	Comment.
MWF_VER	Version.
MWF_TXC	Character code.
MWF_FLT	Filter.
MWF_IPD	Interpolation or decimation.
MWF_INVALID	None of the above/undefined tag.

Definition at line 39 of file mferreader.h.

enum MferReader::SamplingRateUnit

List of supported units for MWF_IVL.

Enumerator:

Frequency_hz	Measured in Hertz (Hz).
Time_interval_sec	Measured in seconds (s).
Distance_m	Mesaured in distance (m).

Definition at line 88 of file mferreader.h.

enum MferReader::SamplingResolutionUnit

List of supported units for MWF_SEN.

Enumerator:

Volt	Voltage.
mmHg_Torr	Pressure.
Pa	Pressure.
cmH2O	Pressure.
mmHg_s	Pressure.
dyne	Force.
Newton	Force.

Definition at line 96 of file mferreader.h.

enum MferReader::WaveformCode

List of supported types for MWF_LDN.

Enumerator:

Lead_I	Lead I.
Lead_2	Lead II.
Lead_V1	Lead V1.
Lead_V2	Lead V2.
Lead_V3	Lead V3.
Lead_V4	Lead V4.
Lead_V5	Lead V5.
Lead_V6	Lead V6.
Lead_V7	Lead V7.

Definition at line 122 of file mferreader.h.

enum MferReader::WaveformType

List of supported types for MWF_WFM.

Enumerator:

UNDEFINED	Unidentified waveform.
ECG_STD12	Standard 12 lead ECG.
ECG_LTERM	Long-term ECG.
ECG_VECTR	Vectorcardiogram.
ECG_EXCER	Stress ECG.
ECG_INTR	Intracardiac ECG.
ECG_SURF	Body surface ECG.
ECG_ILATE	Ventricular late potential.
ECG_LATE	Body surface late potential.

Definition at line 108 of file mferreader.h.

Constructor & Destructor Documentation

MferReader::MferReader ( const QString & filename = "" )

Constructor.

Parameters:

filename

The file to read.

Definition at line 41 of file mferreader.cpp.

Member Function Documentation

int MferReader::fillData	(	QVector< QVector< double > > &	pDest,
		int	screennumber,
		int	channel
	)

Copy from the internal data structure to another data structure.

Parameters:

	pDest	Destination data structure.
	screennumber	Screen number used to fill the data structure.
	channel	Channel number used to fill the data structure. (UNUSED)

Returns:: The number of screens containted in the internal data structure.

See also:: DataHandler::Constants

Definition at line 227 of file mferreader.cpp.

bool MferReader::isValid ( ) const [inline]

Returns:: true if the MferReader has read and parsed it's file.

Definition at line 191 of file mferreader.h.

QPointF MferReader::lineAxisBounds ( ) const [inline]

Returns:: Y-axis scale.

Definition at line 248 of file mferreader.h.

bool MferReader::readFile ( const QString & filename )

Read and parse a file into an interal data structure.

Parameters:

filename

The file to read.

Definition at line 54 of file mferreader.cpp.

int MferReader::samplesprSecond ( ) const

Returns:: Samples per second.

Definition at line 530 of file mferreader.cpp.

Member Data Documentation

QByteArray MferReader::baTemp

Wrapper for waveform data parsing.

Definition at line 199 of file mferreader.h.

mfer_frame MferReader::mferFrame

Current parsed frame.

Definition at line 198 of file mferreader.h.

QVector<mfer_tags> MferReader::tagsVector

List of all tags in the file.

Definition at line 197 of file mferreader.h.

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


Classes
struct	mfer_frame_t
	Type for wrapping a MFER frame. More...
struct	mfer_tags_t
	Type for wrapping a MFER tag (TLV). More...
Public Types
enum	MFER_TAGS { MWF_IVL = 0x0B, MWF_SEN = 0x0C, MWF_BLK = 0x04, MWF_CHN = 0x05, MWF_SEQ = 0x06, MWF_WFM = 0x08, MWF_LDN = 0x09, MWF_WAV = 0x1E, MWF_ATT = 0x3F, MWF_DTP = 0x0A, MWF_OFF = 0x0D, MWF_NUL = 0x12, MWF_CMP = 0x0E, MWF_BLE = 0x01, MWF_PNT = 0x07, MWF_ZRO = 0x00, MWF_PRE = 0x40, MWF_MAN = 0x17, MWF_EVT = 0x41, MWF_INF = 0x15, MWF_CND = 0x44, MWF_NTE = 0x16, MWF_VER = 0x02, MWF_TXC = 0x03, MWF_FLT = 0x11, MWF_IPD = 0x0F, MWF_INVALID = 0xFF }
enum	SamplingRateUnit { Frequency_hz = 0, Time_interval_sec = 1, Distance_m = 2 }
enum	SamplingResolutionUnit { Volt = 0, mmHg_Torr = 1, Pa = 2, cmH2O = 3, mmHg_s = 4, dyne = 5, Newton = 6 }
enum	WaveformType { UNDEFINED = 0, ECG_STD12 = 1, ECG_LTERM = 2, ECG_VECTR = 3, ECG_EXCER = 4, ECG_INTR = 5, ECG_SURF = 6, ECG_ILATE = 7, ECG_LATE = 8 }
enum	WaveformCode { Lead_I = 1, Lead_2 = 2, Lead_V1 = 3, Lead_V2 = 4, Lead_V3 = 5, Lead_V4 = 6, Lead_V5 = 7, Lead_V6 = 8, Lead_V7 = 9 }
typedef struct MferReader::mfer_tags_t	mfer_tags
typedef qint16	mfer_data_block
typedef struct MferReader::mfer_frame_t	mfer_frame
typedef void(MferReader::*	pt2mem )(char *, int)
typedef std::map< MFER_TAGS, pt2mem >	parseFuncMap
typedef std::map< MFER_TAGS, pt2mem >::const_iterator	parseFuncMap_cit
Public Member Functions
	MferReader (const QString &filename="")
bool	readFile (const QString &filename)
int	fillData (QVector< QVector< double > > &pDest, int screennumber, int channel)
bool	isValid () const
QPointF	lineAxisBounds () const
int	samplesprSecond () const
Public Attributes
QVector< mfer_tags >	tagsVector
mfer_frame	mferFrame
QByteArray	baTemp