#include <zfits.h>

Inheritance diagram for zfits:

Collaboration diagram for zfits:

Public Member Functions
	zfits (const std::string &fname, const std::string &tableName="", bool force=false)

	zfits (const std::string &fname, const std::string &fout, const std::string &tableName, bool force=false)

bool	SkipNextRow ()

virtual bool	IsFileOk () const

size_t	GetNumRows () const

size_t	GetBytesPerRow () const

Public Member Functions inherited from fits
void	Exception (const std::string &txt)

	fits (const std::string &fname, const std::string &tableName="", bool force=false)

	fits (const std::string &fname, const std::string &fout, const std::string &tableName, bool force=false)

	fits ()

	~fits ()

void	ZeroBufferForChecksum (std::vector< char > &vec, const uint64_t extraZeros=0)

uint8_t	ReadRow (size_t row)

template<size_t N>
void	revcpy (char dest, const char src, const int &num)

virtual void	MoveColumnDataToUserSpace (char dest, const char src, const Table::Column &c)

virtual bool	GetRow (size_t row, bool check=true)

bool	GetNextRow (bool check=true)

template<class T , class S >
const T &	GetAs (const std::string &name)

void	EnableAddressExceptions (bool b=true)

void	DisableAddressExceptions ()

void *	SetPtrAddress (const std::string &name)

template<typename T >
bool	SetPtrAddress (const std::string &name, T *ptr, size_t cnt)

template<class T >
bool	SetRefAddress (const std::string &name, T &ptr)

template<typename T >
bool	SetVecAddress (const std::string &name, std::vector< T > &vec)

template<typename T >
T	Get (const std::string &key) const

template<typename T >
T	Get (const std::string &key, const std::string &deflt) const

bool	SetPtrAddress (const std::string &name, void *ptr, size_t cnt=0)

bool	HasKey (const std::string &key) const

bool	HasColumn (const std::string &col) const

const Table::Columns &	GetColumns () const

const Table::SortedColumns &	GetSortedColumns () const

const Table::Keys &	GetKeys () const

int64_t	GetInt (const std::string &key) const

uint64_t	GetUInt (const std::string &key) const

double	GetFloat (const std::string &key) const

std::string	GetStr (const std::string &key) const

size_t	GetN (const std::string &key) const

size_t	GetRow () const

	operator bool () const

void	PrintKeys (bool all_keys=false) const

void	PrintColumns () const

bool	IsHeaderOk () const

bool	IsCompressedFITS () const

const std::vector< std::string > &	GetTables () const

Public Member Functions inherited from izstream
	izstream ()

	izstream (const char *name)

	~izstream ()

int	is_open ()

void	open (const char *name)

void	close ()

std::streambuf::pos_type	seekoff (std::streambuf::off_type offset, std::ios_base::seekdir dir, std::ios_base::openmode=std::ios_base::in)

std::streambuf::pos_type	seekpos (std::streambuf::pos_type pos, std::ios_base::openmode=std::ios_base::in)

Protected Member Functions
virtual void	StageRow (size_t row, char *dest)

Protected Member Functions inherited from fits
bool	ReadBlock (std::vector< std::string > &vec)

std::string	Compile (const std::string &key, int16_t i=-1) const

void	Constructor (const std::string &fname, std::string fout="", const std::string &tableName="", bool force=false)

Private Member Functions
void	InitCompressionReading ()

void	MoveColumnDataToUserSpace (char dest, const char src, const Table::Column &c)

void	AllocateBuffers ()

void	ReadCatalog ()

virtual void	WriteRowToCopyFile (size_t row)

bool	ReadBinaryRow (const size_t &rowNum, char *bufferToRead)

uint32_t	UncompressUNCOMPRESSED (char dest, const char src, uint32_t numElems, uint32_t sizeOfElems)

uint32_t	UncompressHUFFMAN16 (char dest, const char src, uint32_t numChunks)

uint32_t	UnApplySMOOTHING (int16_t *data, uint32_t numElems)

bool	UncompressBuffer (const std::vector< size_t > &offsets, const uint32_t &thisRoundNumRows, const uint32_t offset)

void	CheckIfFileIsConsistent (bool update_catalog=false)

Private Attributes
bool	fCatalogInitialized

std::vector< char >	fBuffer
	store the uncompressed rows More...

std::vector< char >	fTransposedBuffer
	intermediate buffer to transpose the rows More...

std::vector< char >	fCompressedBuffer
	compressed rows More...

std::vector< char >	fColumnOrdering
	ordering of the column's rows. Can change from tile to tile. More...

size_t	fNumTiles
	Total number of tiles. More...

size_t	fNumRowsPerTile
	Number of rows per compressed tile. More...

int64_t	fCurrentRow
	current row in memory signed because we need -1 More...

size_t	fShrinkFactor
	shrink factor More...

streamoff	fHeapOff
	offset from the beginning of the file of the binary data More...

streamoff	fHeapFromDataStart
	offset from the beginning of the data table More...

std::vector< std::vector< std::pair< int64_t, int64_t > > >	fCatalog
	Catalog, i.e. the main table that points to the compressed data. More...

std::vector< size_t >	fTileSize
	size in bytes of each compressed tile More...

std::vector< std::vector< size_t > >	fTileOffsets
	offset from start of tile of a given compressed column More...

Checksum	fRawsum
	Checksum of the uncompressed, raw data. More...

Additional Inherited Members
Public Types inherited from fits
enum	Compression_t { kCompUnknown, kCompFACT }

enum	fitsstate { throwbit = 8 }

typedef std::pair< void *, Table::Column >	Address

typedef std::vector< Address >	Addresses

typedef std::unordered_map< std::string, void * >	Pointers

Static Public Member Functions inherited from fits
static bool	Compare (const Address &p1, const Address &p2)

Protected Attributes inherited from fits
std::ofstream	fCopy

std::vector< std::string >	fListOfTables

Table	fTable

Addresses	fAddresses

Pointers	fPointers

std::vector< std::vector< char > >	fGarbage

std::vector< char >	fBufferRow

std::vector< char >	fBufferDat

size_t	fRow

Checksum	fChkHeader

Checksum	fChkData

Detailed Description

Definition at line 16 of file zfits.h.

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

externals/zfits.h

Public Member Functions

Protected Member Functions

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description