SeisTrc Class Reference

Seismic trace. More...

Public Member Functions
	SeisTrc (const SeisTrc &t)
	SeisTrc (int ns=0, const DataCharacteristics &dc=DataCharacteristics())
	~SeisTrc ()
void	convertToFPs (bool preserve_data=true)
void	copyDataFrom (const SeisTrc &, int icomp=-1, bool forcefloats=false)
	icomp -1 (default) is all components More...
TraceData &	data ()
const TraceData &	data () const
bool	dataPresent (float t) const
float	endPos () const
void	ensureNoUndefs (float withval=mUdf(float))
	default is inter- and extrapolate More...
float	get (int idx, int icomp) const
SeisTrc *	getExtendedTo (const ZGate &, bool usetrcvals=true) const
float	getFirst (int icomp=0) const
float	getLast (int icomp=0) const
SeisTrc *	getRelTrc (const ZGate &, float sr=mUdf(float)) const
float	getValue (float, int icomp) const
bool	hasUndef (int icomp=-1) const
SeisTrcInfo &	info ()
const SeisTrcInfo &	info () const
const ValueSeriesInterpolator< float > &	interpolator () const
bool	isEmpty () const
bool	isNull (int icomp=-1) const
bool	isUdf (int icomp=-1) const
int	nearestSample (float pos) const
int	nrComponents () const
SeisTrc &	operator= (const SeisTrc &t)
bool	reSize (int, bool copydata)
void	reverse (int icomp=-1)
SampleGate	sampleGate (const Interval< float > &, bool check) const
float	samplePos (int idx) const
void	set (int idx, float v, int icomp)
void	setAll (float, int icomp=-1)
void	setInterpolator (ValueSeriesInterpolator< float > *)
	becomes mine More...
void	setNrComponents (int, DataCharacteristics::UserType dt=DataCharacteristics::Auto)
void	setStartPos (float p)
int	size () const
float	startPos () const
bool	updateVelocities (const VelocityDesc &inpdesc, const VelocityDesc &outdesc, const ZDomain::Info &, double srd, const UnitOfMeasure *srduom, int icomp=-1, double t0=0.)
void	zero (int icomp=-1)
StepInterval< float >	zRange () const

Static Public Member Functions
static const char *	sKeyExtTrcToSI ()

Static Public Attributes
static const float	snapdist

Protected Attributes
TraceData	data_
SeisTrcInfo	info_
PtrMan< ValueSeriesInterpolator< float > >	intpol_

Private Member Functions
void	cleanUp ()

Detailed Description

Seismic trace.

A seismic trace is composed of trace info and trace data. The trace data consists of one or more components. These are represented by a set of buffers, interpreted by DataInterpreters.

<>

Constructor & Destructor Documentation

SeisTrc() [1/2]

SeisTrc::SeisTrc	(	int	ns = 0,
		const DataCharacteristics &	dc = DataCharacteristics()
	)

SeisTrc() [2/2]

SeisTrc::SeisTrc

(

const SeisTrc &

t

)

~SeisTrc()

SeisTrc::~SeisTrc

(

)

Member Function Documentation

cleanUp()

void SeisTrc::cleanUp ( )

private

convertToFPs()

void SeisTrc::convertToFPs

(

bool

preserve_data = true

)

copyDataFrom()

void SeisTrc::copyDataFrom	(	const SeisTrc &	,
		int	icomp = -1,
		bool	forcefloats = false
	)

icomp -1 (default) is all components

data() [1/2]

TraceData& SeisTrc::data ( )

inline

data() [2/2]

const TraceData& SeisTrc::data ( ) const

inline

dataPresent()

bool SeisTrc::dataPresent ( float  t ) const

inline

endPos()

float SeisTrc::endPos ( ) const

inline

ensureNoUndefs()

void SeisTrc::ensureNoUndefs

(

float

withval = mUdf(float)

)

default is inter- and extrapolate

get()

float SeisTrc::get ( int  idx, int  icomp  ) const

inline

getExtendedTo()

SeisTrc* SeisTrc::getExtendedTo	(	const ZGate &	,
		bool	usetrcvals = true
	)		const

Extends (or shrinks) trace to ZGate Added values can be first/last value of input, or zeros

getFirst()

float SeisTrc::getFirst ( int  icomp = 0 ) const

inline

getLast()

float SeisTrc::getLast ( int  icomp = 0 ) const

inline

getRelTrc()

SeisTrc* SeisTrc::getRelTrc	(	const ZGate &	,
		float	sr = mUdf(float)
	)		const

Resample around pick. No pick: returns null. ZGate is relative to pick

getValue()

float SeisTrc::getValue	(	float	,
		int	icomp
	)		const

hasUndef()

bool SeisTrc::hasUndef

(

int

icomp = -1

)

const

info() [1/2]

SeisTrcInfo& SeisTrc::info ( )

inline

info() [2/2]

const SeisTrcInfo& SeisTrc::info ( ) const

inline

interpolator()

const ValueSeriesInterpolator<float>& SeisTrc::interpolator

(

)

const

isEmpty()

bool SeisTrc::isEmpty ( ) const

inline

isNull()

bool SeisTrc::isNull

(

int

icomp = -1

)

const

isUdf()

bool SeisTrc::isUdf

(

int

icomp = -1

)

const

nearestSample()

int SeisTrc::nearestSample ( float  pos ) const

inline

nrComponents()

int SeisTrc::nrComponents ( ) const

inline

operator=()

SeisTrc& SeisTrc::operator=

(

const SeisTrc &

t

)

reSize()

bool SeisTrc::reSize	(	int	,
		bool	copydata
	)

reverse()

void SeisTrc::reverse

(

int

icomp = -1

)

sampleGate()

SampleGate SeisTrc::sampleGate	(	const Interval< float > &	,
		bool	check
	)		const

samplePos()

float SeisTrc::samplePos ( int  idx ) const

inline

set()

void SeisTrc::set ( int  idx, float  v, int  icomp  )

inline

setAll()

void SeisTrc::setAll	(	float	,
		int	icomp = -1
	)

setInterpolator()

void SeisTrc::setInterpolator

(

ValueSeriesInterpolator< float > *

)

becomes mine

setNrComponents()

void SeisTrc::setNrComponents	(	int	,
		DataCharacteristics::UserType	dt = DataCharacteristics::Auto
	)

setStartPos()

void SeisTrc::setStartPos ( float  p )

inline

size()

int SeisTrc::size ( ) const

inline

sKeyExtTrcToSI()

static const char* SeisTrc::sKeyExtTrcToSI ( )

inlinestatic

startPos()

float SeisTrc::startPos ( ) const

inline

updateVelocities()

bool SeisTrc::updateVelocities	(	const VelocityDesc &	inpdesc,
		const VelocityDesc &	outdesc,
		const ZDomain::Info &	,
		double	srd,
		const UnitOfMeasure *	srduom,
		int	icomp = -1,
		double	t0 = 0.
	)

Updates the velocity type and unit according to provided VelocityDesc objects

zero()

void SeisTrc::zero ( int  icomp = -1 )

inline

zRange()

StepInterval<float> SeisTrc::zRange ( ) const

inline

Member Data Documentation

data_

TraceData SeisTrc::data_

protected

info_

SeisTrcInfo SeisTrc::info_

protected

intpol_

PtrMan<ValueSeriesInterpolator<float> > SeisTrc::intpol_

mutableprotected

snapdist

const float SeisTrc::snapdist

static

Default 1e-4 /* mDeprecated *‍/ relative distance from a sample below which no interpolation is done. 99.9% chance default is OK.