[fitsbits] fittopnm conversion question

[msg124@hotmail.com]

Hi,
I am sorry if my question is out of scope somehow.
But, in order to convert form fits to pnm there are options that 
i need to enter that i am famialr with as far the fits file goes.

command: 
fitstopnm [-image N] [-noraw] [-scanmax] [-printmax] [-min f] \
[-max f] [FITSfile]
 
The -image option is for FITS files with three axes. The assumption 
is that the third axis is for multiple images, and this option 
lets you select which one you want.
 
how do i determine what is the correct value of NAXIS for my 
fits image?.

how do i determine what are the correct values for scanmax, printmax,
min and max.?

I am converting on solaris or linux and transferring it to windows 
for viewing.
I read the man pages but i am sort of lost.
Jim
 



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