debian man page for iofits

iofits(1)						      General Commands Manual							 iofits(1)

NAME
       iofits - FITS data format conversion (pixel depth)

SYNOPSIS
       iofits [options] <in_fits> <out_fits> <depth>

DESCRIPTION
       iofits converts FITS files of any pixel depth to another pixel depth (bits per pixel). Depth is given as in the FITS norm :

       o      8 bits per pixel, unsigned.

       o      16 bits per pixel, signed

       o      32 bits per pixel, signed

       o      -32 IEEE floating point

       o      -64 IEEE double precision floating point

OPTIONS
       -v     Verbose mode.

       -M megs
	      Memory  handling. To avoid saturate memory for huge cubes, this parameter specifies the maximum amount of memory to use before swap-
	      ping data to disk.  The amount is given in Megabytes.  (1Meg = 1,048,576 Bytes) The process time is then considerably  slowed  down.
	      Default value is 50 megs.

FILES
       Input/output files shall all comply with FITS format.

       The  original  FITS  header   of  the input FITS file is conserved along, except for the following keywords: NAXIS, NAXISn, BITPIX, BSCALE,
       BZERO, which are related to the newly created file.

       HISTORY keywords are appended to the FITS header to indicate the eclipse process modifications, together with the command  line	which  was
       used to generate the file.

SEE ALSO
       average, filt, deadpix

BUGS
       In  general, decreasing the resolution in number of bits per pixel almost always means loss of precision. No rescaling is done on the data,
       use this command with care!

								    25 Feb 1997 							 iofits(1)