ElasticModel Class Reference

A table of elastic prop layers with processing utilities Like the RefLayer class, uses SI values exclusively. More...

Inheritance diagram for ElasticModel:

Public Member Functions
	ElasticModel ()
	ElasticModel (const ElasticModel &)
	ElasticModel (const ObjectSet< RefLayer > &)
	~ElasticModel ()
double	aboveThickness () const
void	append (const ObjectSet< RefLayer > &) override
void	block (float relthreshold, bool pvelonly)
void	checkAndClean (int &firsterroridx, bool dodencheck=true, bool dosvelcheck=true, bool onlyinvalid=false)
ElasticModel *	clone () const override
ElasticModel &	copyFrom (const ElasticModel &mdl, RefLayer::Type reqtyp)
bool	createFromAI (const ZSampling &zrange, const float *ai, const float *si=nullptr, const float *den=nullptr)
bool	createFromAI (const ZValueSeries &zsamp, const float *ai, const float *si=nullptr, const float *den=nullptr)
bool	createFromVel (const ZSampling &zrange, const float *pvel, const float *svel=nullptr, const float *den=nullptr)
bool	createFromVel (const ZValueSeries &zsamp, const float *pvel, const float *svel=nullptr, const float *den=nullptr)
void	erase () override
float	getLayerDepth (int layerix) const
RefLayer::Type	getMinType () const
Interval< float >	getTimeSampling (bool usevs=false) const
RefLayer::Type	getType () const
bool	getUpscaledBackus (RefLayer &, float theta=0.) const
bool	getUpscaledByThicknessAvg (RefLayer &) const
bool	getValues (bool isden, bool issvel, TypeSet< float > &) const
bool	getValues (bool vel, bool den, bool svel, Array2D< float > &) const
void	interpolate (bool dovp, bool doden, bool dovs)
bool	isElastic () const
bool	isHTI () const
bool	isManaged () const override
int	isOK (bool dodencheck=true, bool dosvelcheck=true, bool dofracrhocheck=true, bool dofracazicheck=true) const
bool	isVTI () const
void	mergeSameLayers ()
ElasticModel &	operator-= (RefLayer *) override
ElasticModel &	operator= (const ElasticModel &)
RefLayer *	pop () override
RefLayer *	removeAndTake (int, bool kporder=true)
void	removeRange (int from, int to) override
RefLayer *	removeSingle (int, bool kporder=true) override
RefLayer *	replace (int, RefLayer *) override
void	setMaxThickness (float maxthickness)
ElasticModel &	setOverburden (double thickness, double starttime)
double	startTime () const
void	upscale (float maxthickness)
void	upscaleByN (int nblock)
Public Member Functions inherited from ObjectSet< RefLayer >
	ObjectSet ()
	ObjectSet (const ObjectSet &)
	ObjectSet (RefLayer *)
	ObjectSet (RefLayer *, RefLayer *)
	ObjectSet (RefLayer *, RefLayer *, RefLayer *)
virtual	~ObjectSet ()
ObjectSet &	add (RefLayer *t)
bool	addIfNew (RefLayer *)
void	allowNull (bool yn=true)
virtual void	append (const ObjectSet &)
iterator	begin ()
const_iterator	begin () const
const_iterator	cbegin () const
const_iterator	cend () const
ObjectSet *	clone () const override
virtual void	copy (const ObjectSet &)
bool	empty () const
iterator	end ()
const_iterator	end () const
void	erase () override
RefLayer *	first ()
const RefLayer *	first () const
virtual RefLayer *	get (const RefLayer *) const
	check & unconst More...
virtual RefLayer *	get (idx_type)
virtual const RefLayer *	get (idx_type) const
idx_type	getIdx (const_iterator it) const
idx_type	getIdx (iterator it) const
virtual idx_type	indexOf (const RefLayer *) const
virtual void	insertAfter (RefLayer *newptr, idx_type)
virtual void	insertAt (RefLayer *newptr, idx_type)
virtual bool	isPresent (const RefLayer *) const
RefLayer *	last ()
const RefLayer *	last () const
size_type	max_size () const
std::int64_t	nrItems () const override
bool	nullAllowed () const
bool	operator!= (const ObjectSet &oth) const
ObjectSet &	operator+= (RefLayer *t)
virtual ObjectSet &	operator-= (RefLayer *)
ObjectSet &	operator= (const ObjectSet &)
bool	operator== (const ObjectSet &) const
const RefLayer *	operator[] (const RefLayer *t) const
RefLayer *	operator[] (idx_type i)
const RefLayer *	operator[] (idx_type i) const
void	plainErase ()
void	push (RefLayer *t)
virtual RefLayer *	replace (idx_type, RefLayer *)
void	reverse () override
void	setNullAllowed (bool yn=true)
size_type	size () const
void	swap (idx_type, idx_type)
void	swap (ObjectSet &oth)
void	swapItems (std::int64_t i1, std::int64_t i2) override
void	useIndexes (const idx_type *)
bool	validIdx (std::int64_t) const override
Public Member Functions inherited from OD::Set
virtual	~Set ()
bool	isEmpty () const
void	setEmpty ()

Private Member Functions
bool	doBlocking (float threshold, bool pvelonly, TypeSet< Interval< int > > &blocks) const
bool	getRatioValues (bool vel, bool den, bool svel, Array2D< float > &ratiovals, Array2D< float > &vals) const
void	removeSpuriousLayers (float zstep)
void	removeSpuriousLayers (float zstep, bool zistime)

Additional Inherited Members
Public Types inherited from ObjectSet< RefLayer >
typedef impl_type::const_iterator	const_iterator
typedef const value_type &	const_reference
typedef size_type	difference_type
typedef size_type	idx_type
typedef impl_type::iterator	iterator
typedef RefLayer	object_type
typedef value_type &	reference
typedef int	size_type
typedef RefLayer *	value_type
Static Public Member Functions inherited from OD::Set
static std::int32_t	maxIdx32 ()
static std::int64_t	maxIdx64 ()
Protected Types inherited from ObjectSet< RefLayer >
typedef VectorAccess< RefLayer *, size_type >	impl_type
Protected Member Functions inherited from ObjectSet< RefLayer >
virtual ObjectSet &	doAdd (RefLayer *)
Protected Attributes inherited from ObjectSet< RefLayer >
bool	allow0_
impl_type	vec_

Detailed Description

A table of elastic prop layers with processing utilities Like the RefLayer class, uses SI values exclusively.

<>

Constructor & Destructor Documentation

ElasticModel() [1/3]

ElasticModel::ElasticModel

(

)

ElasticModel() [2/3]

ElasticModel::ElasticModel

(

const ObjectSet< RefLayer > &

)

ElasticModel() [3/3]

ElasticModel::ElasticModel

(

const ElasticModel &

)

~ElasticModel()

ElasticModel::~ElasticModel

(

)

Member Function Documentation

aboveThickness()

double ElasticModel::aboveThickness

(

)

const

append()

void ElasticModel::append ( const ObjectSet< RefLayer > &  )

override

block()

void ElasticModel::block	(	float	relthreshold,
		bool	pvelonly
	)

Merged consecutive layers with same properties.

checkAndClean()

void ElasticModel::checkAndClean	(	int &	firsterroridx,
		bool	dodencheck = true,
		bool	dosvelcheck = true,
		bool	onlyinvalid = false
	)

Get several properties, in the order vel - den - svel

clone()

ElasticModel* ElasticModel::clone ( ) const

inlineoverridevirtual

Implements OD::Set.

Reimplemented in ElasticModelOv.

copyFrom()

ElasticModel& ElasticModel::copyFrom	(	const ElasticModel &	mdl,
		RefLayer::Type	reqtyp
	)

Parameters

mdl	input model (can be itself)
reqtyp	return type for all layers in model

createFromAI() [1/2]

bool ElasticModel::createFromAI	(	const ZSampling &	zrange,
		const float *	ai,
		const float *	si = nullptr,
		const float *	den = nullptr
	)

createFromAI() [2/2]

bool ElasticModel::createFromAI	(	const ZValueSeries &	zsamp,
		const float *	ai,
		const float *	si = nullptr,
		const float *	den = nullptr
	)

creates an ElasticModel from sampled impedance /param zsamp Times in zsamp must be TWT in seconds Depths in zsamp must be TVDSD in meters /param ai Acoustic Impedance in SI units /param si Shear Impedance in SI units /param den bulk density in kg/m3

createFromVel() [1/2]

bool ElasticModel::createFromVel	(	const ZSampling &	zrange,
		const float *	pvel,
		const float *	svel = nullptr,
		const float *	den = nullptr
	)

createFromVel() [2/2]

bool ElasticModel::createFromVel	(	const ZValueSeries &	zsamp,
		const float *	pvel,
		const float *	svel = nullptr,
		const float *	den = nullptr
	)

creates an ElasticModel from sampled interval velocities /param zsamp Times in zsamp must be TWT in seconds Depths in zsamp must be TVDSD in meters /param pvel compressional velocities in m/s /param svel shear velocities in m/s /param den bulk density in kg/m3

doBlocking()

bool ElasticModel::doBlocking ( float  threshold, bool  pvelonly, TypeSet< Interval< int > > &  blocks  ) const

private

Computes first derivative of the elastic properties May also return the input values

erase()

void ElasticModel::erase ( )

overridevirtual

Implements OD::Set.

getLayerDepth()

float ElasticModel::getLayerDepth

(

int

layerix

)

const

getMinType()

RefLayer::Type ElasticModel::getMinType

(

)

const

getRatioValues()

bool ElasticModel::getRatioValues ( bool  vel, bool  den, bool  svel, Array2D< float > &  ratiovals, Array2D< float > &  vals  ) const

private

getTimeSampling()

Interval<float> ElasticModel::getTimeSampling

(

bool

usevs = false

)

const

getType()

RefLayer::Type ElasticModel::getType

(

)

const

getUpscaledBackus()

bool ElasticModel::getUpscaledBackus	(	RefLayer &	,
		float	theta = 0.
	)		const

compute an upscaled elastic layer from an elastic model using simple weighted averaging. The thickness of the input and output remains constant. returns false if the input model does not contain a single valid input layer computes an upscaled elastic layer from an elastic model using backus upscaling method. The thickness of the input and output remains constant. returns false if the input model does not contain a single valid input layer

Parameters

theta

Incidence angle in radians

getUpscaledByThicknessAvg()

bool ElasticModel::getUpscaledByThicknessAvg

(

RefLayer &

)

const

Block elastic model so that no blocks have larger difference than the threshold. Attempts will be made to put boundaries at large changes.

Parameters

relthreshold
pvelonly	Will use density and SVel as well if false

getValues() [1/2]

bool ElasticModel::getValues	(	bool	isden,
		bool	issvel,
		TypeSet< float > &
	)		const

Checks if all layers have valid property values returns index of first invalid layer

getValues() [2/2]

bool ElasticModel::getValues	(	bool	vel,
		bool	den,
		bool	svel,
		Array2D< float > &
	)		const

Get one of the properties

interpolate()

void ElasticModel::interpolate	(	bool	dovp,
		bool	doden,
		bool	dovs
	)

isElastic()

bool ElasticModel::isElastic

(

)

const

isHTI()

bool ElasticModel::isHTI

(

)

const

isManaged()

bool ElasticModel::isManaged ( ) const

inlineoverridevirtual

Reimplemented from ObjectSet< RefLayer >.

isOK()

int ElasticModel::isOK	(	bool	dodencheck = true,
		bool	dosvelcheck = true,
		bool	dofracrhocheck = true,
		bool	dofracazicheck = true
	)		const

isVTI()

bool ElasticModel::isVTI

(

)

const

mergeSameLayers()

void ElasticModel::mergeSameLayers

(

)

Ensures that all layers in the elastic model are not thicker than a maximum thickness. Splits the blocks if necessary

operator-=()

ElasticModel& ElasticModel::operator-= ( RefLayer *  )

override

operator=()

ElasticModel& ElasticModel::operator=

(

const ElasticModel &

)

pop()

RefLayer* ElasticModel::pop ( )

overridevirtual

Reimplemented from ObjectSet< RefLayer >.

removeAndTake()

RefLayer* ElasticModel::removeAndTake	(	int	,
		bool	kporder = true
	)

removeRange()

void ElasticModel::removeRange ( int  from, int  to  )

overridevirtual

Reimplemented from ObjectSet< RefLayer >.

removeSingle()

RefLayer* ElasticModel::removeSingle ( int  vidx, bool  keep_order = true  )

overridevirtual

Returns

the removed pointer.

Reimplemented from ObjectSet< RefLayer >.

removeSpuriousLayers() [1/2]

void ElasticModel::removeSpuriousLayers ( float  zstep )

private

removeSpuriousLayers() [2/2]

void ElasticModel::removeSpuriousLayers ( float  zstep, bool  zistime  )

private

If a layer thickness is strictly identical to zstep, maybe split that layer over the last/previous layers /param zstep sampling rate in either time or depth (meter) /param zistime ZDomain corresponding to zstep

replace()

RefLayer* ElasticModel::replace ( int  , RefLayer *    )

override

setMaxThickness()

void ElasticModel::setMaxThickness

(

float

maxthickness

)

Smashes every consecutive set of nblock layers into one output layer

setOverburden()

ElasticModel& ElasticModel::setOverburden	(	double	thickness,
		double	starttime
	)

startTime()

double ElasticModel::startTime

(

)

const

upscale()

void ElasticModel::upscale

(

float

maxthickness

)

Replaces all undefined or invalid values

upscaleByN()

void ElasticModel::upscaleByN

(

int

nblock

)

Ensures a model does not have layers below a given thickness last layer may not comply though