CBVSReader Class Reference

Reader for CBVS format. More...

Inheritance diagram for CBVSReader:

Public Member Functions
	CBVSReader (od_istream *, bool glob_info_only=false, bool forceusecbvsinfo=false)
	~CBVSReader ()
int	bytesOverheadPerTrace () const
void	close ()
bool	fetch (TraceData &buffers, const bool *comps, const StepInterval< int > *samps, int offs=0)
bool	fetch (TraceData &buffers, const bool *comps=0, const Interval< int > *samps=0, int offs=0)
bool	fetch (void **buffers, const bool *comps=0, const Interval< int > *samps=0, int offs=0)
bool	getAuxInfo (PosAuxInfo &)
bool	goTo (const BinID &)
bool	hasAuxInfo () const
const CBVSInfo &	info () const
BinID	nextBinID () const
void	setSingleLineMode (bool yn=true)
	returns 0/0 at end More...
bool	toNext ()
bool	toStart ()
const TypeSet< Coord > &	trailerCoords () const
int	trcNrAtPosition () const
Public Member Functions inherited from CBVSIO
	CBVSIO ()
virtual	~CBVSIO ()
const BinID &	binID () const
const char *	errMsg () const
bool	failed () const
int	nrComponents () const
void	setErrMsg (const char *s)

Static Public Member Functions
static const char *	check (od_istream &)
static int	defHeaderSize ()

Protected Member Functions
void	getAuxInfoSel (const char *)
int	getPosNr (const PosInfo::CubeDataPos &, bool) const
void	getText (int, BufferString &)
Coord	getTrailerCoord (const BinID &) const
void	mkPosNrs ()
bool	readComps ()
bool	readGeom (bool)
bool	readTrailer ()
void	toOffs (od_int64)

Protected Attributes
CBVSInfo	info_
od_istream &	strm_
Protected Attributes inherited from CBVSIO
int *	cnrbytes_
CoordPol	coordpol_
BinID	curbinid_
const char *	errmsg_
PosInfo::CubeData	lds_
int	nrcomps_
int	nrxlines_
bool	strmclosed_
TypeSet< Coord >	trailercoords_

Private Member Functions
CoordPol	coordPol () const
bool	readInfo (bool, bool)
StepInterval< int > *	sampsi_ ()
void	setCubePos (bool fromgeom) const
bool	singlelinemode_ () const
void	updCurBinID () const
TraceData *	worktrcdata_ ()

Private Attributes
int	auxnrbytes_
int	bytespertrace_
PosInfo::CubeDataPos	curgeomcubepos_
PosInfo::CubeDataPos	curldscubepos_
od_int64	datastartfo_
DataInterpreter< double >	dinterp_
DataInterpreter< float >	finterp_
BinID	firstbinid_
bool	hinfofetched_
TrcKeySampling	hs_
int	idxatpos_
DataInterpreter< int >	iinterp_
od_int64	lastposfo_
TypeSet< int >	posnrs_
Interval< int >	samprg_

Friends
class	CBVSReadMgr

Additional Inherited Members
Public Types inherited from CBVSIO
enum	CoordPol { InAux =0 , InTrailer =1 , NotStored =2 }
Static Public Attributes inherited from CBVSIO
static const int	headstartbytes
static const int	integersize
static const int	version

Detailed Description

Reader for CBVS format.

The stream it works on will be deleted on destruction or if close() is explicitly called.

If you construct with glob_info_only == true, you cannot use the reader. After construction, the info() is then usable but no precise positioning is available. In other words, the trailer is not read.

From OpendTect v2.2.1, The toNext() interface will always return ascending inlines, no matter whether the data is stored with descending inlines.

<>

Constructor & Destructor Documentation

CBVSReader()

CBVSReader::CBVSReader	(	od_istream *	,
		bool	glob_info_only = false,
		bool	forceusecbvsinfo = false
	)

~CBVSReader()

CBVSReader::~CBVSReader

(

)

Member Function Documentation

bytesOverheadPerTrace()

int CBVSReader::bytesOverheadPerTrace

(

)

const

check()

static const char* CBVSReader::check ( od_istream &  )

static

Determines whether a file is a CBVS file returns an error message, or null if OK.

close()

void CBVSReader::close ( )

virtual

Implements CBVSIO.

coordPol()

CoordPol CBVSReader::coordPol ( ) const

inlineprivate

defHeaderSize()

static int CBVSReader::defHeaderSize ( )

inlinestatic

fetch() [1/3]

bool CBVSReader::fetch	(	TraceData &	buffers,
		const bool *	comps,
		const StepInterval< int > *	samps,
		int	offs = 0
	)

fetch() [2/3]

bool CBVSReader::fetch	(	TraceData &	buffers,
		const bool *	comps = 0,
		const Interval< int > *	samps = 0,
		int	offs = 0
	)

Gets the sample data. 'comps', if provided, selects the components. If 'samps' is non-null, it should hold start and end sample to read. offs is an offset in the buffers.

fetch() [3/3]

bool CBVSReader::fetch	(	void **	buffers,
		const bool *	comps = 0,
		const Interval< int > *	samps = 0,
		int	offs = 0
	)

getAuxInfo()

bool CBVSReader::getAuxInfo

(

PosAuxInfo &

)

Gets the aux info. Follow by fetch() to get the sample data.

getAuxInfoSel()

void CBVSReader::getAuxInfoSel ( const char *  )

protected

getPosNr()

int CBVSReader::getPosNr ( const PosInfo::CubeDataPos &  , bool    ) const

protected

getText()

void CBVSReader::getText ( int  , BufferString &    )

protected

getTrailerCoord()

Coord CBVSReader::getTrailerCoord ( const BinID &  ) const

protected

goTo()

bool CBVSReader::goTo

(

const BinID &

)

hasAuxInfo()

bool CBVSReader::hasAuxInfo ( ) const

inline

info()

const CBVSInfo& CBVSReader::info ( ) const

inline

mkPosNrs()

void CBVSReader::mkPosNrs ( )

protected

nextBinID()

BinID CBVSReader::nextBinID

(

)

const

readComps()

bool CBVSReader::readComps ( )

protected

readGeom()

bool CBVSReader::readGeom ( bool  )

protected

readInfo()

bool CBVSReader::readInfo ( bool  , bool    )

private

readTrailer()

bool CBVSReader::readTrailer ( )

protected

sampsi_()

StepInterval<int>* CBVSReader::sampsi_ ( )

private

setCubePos()

void CBVSReader::setCubePos ( bool  fromgeom ) const

private

setSingleLineMode()

void CBVSReader::setSingleLineMode

(

bool

yn = true

)

returns 0/0 at end

singlelinemode_()

bool CBVSReader::singlelinemode_ ( ) const

private

toNext()

bool CBVSReader::toNext

(

)

toOffs()

void CBVSReader::toOffs ( od_int64  )

protected

toStart()

bool CBVSReader::toStart

(

)

trailerCoords()

const TypeSet<Coord>& CBVSReader::trailerCoords ( ) const

inline

trcNrAtPosition()

int CBVSReader::trcNrAtPosition ( ) const

inline

updCurBinID()

void CBVSReader::updCurBinID ( ) const

private

worktrcdata_()

TraceData* CBVSReader::worktrcdata_ ( )

private

Friends And Related Function Documentation

CBVSReadMgr

friend class CBVSReadMgr

friend

Member Data Documentation

auxnrbytes_

int CBVSReader::auxnrbytes_

private

bytespertrace_

int CBVSReader::bytespertrace_

private

curgeomcubepos_

PosInfo::CubeDataPos CBVSReader::curgeomcubepos_

mutableprivate

curldscubepos_

PosInfo::CubeDataPos CBVSReader::curldscubepos_

mutableprivate

datastartfo_

od_int64 CBVSReader::datastartfo_

private

dinterp_

DataInterpreter<double> CBVSReader::dinterp_

private

finterp_

DataInterpreter<float> CBVSReader::finterp_

private

firstbinid_

BinID CBVSReader::firstbinid_

private

hinfofetched_

bool CBVSReader::hinfofetched_

private

hs_

TrcKeySampling CBVSReader::hs_

private

idxatpos_

int CBVSReader::idxatpos_

private

iinterp_

DataInterpreter<int> CBVSReader::iinterp_

private

info_

CBVSInfo CBVSReader::info_

protected

lastposfo_

od_int64 CBVSReader::lastposfo_

private

posnrs_

TypeSet<int> CBVSReader::posnrs_

private

samprg_

Interval<int> CBVSReader::samprg_

private

strm_

od_istream& CBVSReader::strm_

protected