ltl::FitsIO Class Reference

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

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

List of all members.

Public Member Functions

• FitsIO (unsigned char *inmemptr, size_t inmemlen)

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

• FitsIO (unsigned char **inmemptr, size_t *inmemlen)
• FitsIO (const string &path)
• string getFilename () const

  Return ltl::FitsIO::filename_ .
  

• unsigned char * streampos () const

  Return ltl::FitsIO::fitsstreamptr_ .
  

• size_t getRegionLength () const

  Get number of pixels in selected region.
  

• size_t getRegionLength (const size_t dim) const

  Get length along dimension dim of selected region in pixels.
  

• int getRegionStart (const size_t dim) const

  Get start pixel coordinate in dimension dim of selected region.
  

• int getRegionEnd (const size_t dim) const

  Get end pixel coordinate in dimension dim of selected region.
  

• util::Region getRegion () const

  Return copy of selected region.
  

Protected Member Functions

• void checkRegion (const size_t dim) const throw (FitsException)

  Test if dimension dim of region is "retrievable".
  

Protected Attributes

• string filename_

  Filename associated with FitsIn/Out object.
  

• unsigned char * fitsinmemptr_

  Pointer to in-memory fits file image.
  

• size_t fitsinmemlength_

  Length of in-memory fits file.
  

• unsigned char ** ptrfitsinmemptr_

  In-memory fits file image allocation data.
  

• size_t * ptrfitsinmemlength_
• unsigned char * fitsdataptr_

  Pointer to data segment map.
  

• unsigned char * fitsstreamptr_

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

• size_t fitsmaplength_

  Length of data segment map, multiple of page size.
  

• util::Region * regionptr_

  Pointer to Region (if set).
  

• off_t fitsregionoffset_

  Offset to determine first pixel of selected region.
  

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)

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Detailed Description

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

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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

)

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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().

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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.