ltl::FitsIO Class Reference

FitsIO mother class: things FitsIn and FitsOut have in common. More...

Inherited by ltl::FitsIn, and ltl::FitsOut.

Public Member Functions
	FitsIO (unsigned char *inmemptr, size_t inmemlen)
	Set ltl::FitsIO::filename_ and initialize other members. More...
	FitsIO (unsigned char **inmemptr, size_t *inmemlen)
	FitsIO (const string &path)
string	getFilename () const
	Return ltl::FitsIO::filename_ . More...
unsigned char *	streampos () const
	Return ltl::FitsIO::fitsstreamptr_ . More...
size_t	getRegionLength () const
	Get number of pixels in selected region. More...
size_t	getRegionLength (const size_t dim) const
	Get length along dimension dim of selected region in pixels. More...
int	getRegionStart (const size_t dim) const
	Get start pixel coordinate in dimension dim of selected region. More...
int	getRegionEnd (const size_t dim) const
	Get end pixel coordinate in dimension dim of selected region. More...
util::Region	getRegion () const
	Return copy of selected region. More...

Protected Member Functions
void	checkRegion (const size_t dim) const throw (FitsException)
	Test if dimension dim of region is "retrievable". More...

Protected Attributes
string	filename_
	Filename associated with FitsIn/Out object. More...
unsigned char *	fitsinmemptr_
	Pointer to in-memory fits file image. More...
size_t	fitsinmemlength_
	Length of in-memory fits file. More...
unsigned char **	ptrfitsinmemptr_
	In-memory fits file image allocation data. More...
size_t *	ptrfitsinmemlength_
unsigned char *	fitsdataptr_
	Pointer to data segment map. More...
unsigned char *	fitsstreamptr_
	Pointer to actual byte in data segment for per pixel I/O. More...
size_t	fitsmaplength_
	Length of data segment map, multiple of page size. More...
util::Region *	regionptr_
	Pointer to Region (if set). More...
off_t	fitsregionoffset_
	Offset to determine first pixel of selected region. More...

Related Functions
(Note that these are not member functions.)
template<>
FitsIn &	operator>> (FitsIn &infile, FitsOut &outfile)
FitsOut &	operator<< (FitsOut &outfile, FitsIn &infile)
FitsOut &	operator<< (FitsOut &outfile, FitsExtensionIn &infile)
FitsExtensionOut &	operator<< (FitsExtensionOut &outfile, const emptyData_ &)
FitsExtensionOut &	operator<< (FitsExtensionOut &outfile, FitsIn &infile)

Detailed Description

FitsIO mother class: things FitsIn and FitsOut have in common.

Constructor & Destructor Documentation

ltl::FitsIO::FitsIO	(	unsigned char *	inmemptr,
		size_t	inmemlen
	)

Set ltl::FitsIO::filename_ and initialize other members.

ltl::FitsIO::FitsIO	(	unsigned char **	inmemptr,
		size_t *	inmemlen
	)

ltl::FitsIO::FitsIO

(

const string &

path

)

Member Function Documentation

void ltl::FitsIO::checkRegion ( const size_t  dim ) const throw ( FitsException )

protected

Test if dimension dim of region is "retrievable".

string ltl::FitsIO::getFilename ( ) const

inline

Return ltl::FitsIO::filename_ .

References filename_.

unsigned char* ltl::FitsIO::streampos ( ) const

inline

Return ltl::FitsIO::fitsstreamptr_ .

References fitsstreamptr_.

Referenced by ltl::FitsIn::getNextPixel(), and ltl::FitsOut::setNextPixel().

size_t ltl::FitsIO::getRegionLength

(

)

const

Get number of pixels in selected region.

Referenced by ltl::getFitsMArray(), and ltl::insertFitsMArray().

size_t ltl::FitsIO::getRegionLength

(

const size_t

dim

)

const

Get length along dimension dim of selected region in pixels.

int ltl::FitsIO::getRegionStart

(

const size_t

dim

)

const

Get start pixel coordinate in dimension dim of selected region.

int ltl::FitsIO::getRegionEnd

(

const size_t

dim

)

const

Get end pixel coordinate in dimension dim of selected region.

Referenced by ltl::insertFitsMArray().

util::Region ltl::FitsIO::getRegion

(

)

const

Return copy of selected region.

Referenced by ltl::insertFitsMArray().

Member Data Documentation

string ltl::FitsIO::filename_

protected

Filename associated with FitsIn/Out object.

Referenced by getFilename().

unsigned char* ltl::FitsIO::fitsinmemptr_

protected

Pointer to in-memory fits file image.

size_t ltl::FitsIO::fitsinmemlength_

protected

Length of in-memory fits file.

unsigned char** ltl::FitsIO::ptrfitsinmemptr_

protected

In-memory fits file image allocation data.

size_t* ltl::FitsIO::ptrfitsinmemlength_

protected

unsigned char* ltl::FitsIO::fitsdataptr_

protected

Pointer to data segment map.

unsigned char* ltl::FitsIO::fitsstreamptr_

protected

Pointer to actual byte in data segment for per pixel I/O.

Referenced by ltl::FitsIn::getNextPixel(), ltl::FitsOut::setNextPixel(), and streampos().

size_t ltl::FitsIO::fitsmaplength_

protected

Length of data segment map, multiple of page size.

util::Region* ltl::FitsIO::regionptr_

protected

Pointer to Region (if set).

Referenced by ltl::FitsIn::getDataArray(), ltl::FitsOut::isRegion(), ltl::FitsIn::readDataArray(), ltl::FitsIn::readRegionArray(), and ltl::FitsOut::writeRegionArray().

off_t ltl::FitsIO::fitsregionoffset_

protected

Offset to determine first pixel of selected region.