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IDL MODFITS problem. [message #92679]

Sat, 06 February 2016 06:34

Sapna Mishra
Messages: 66
Registered: December 2015

Member

Hello everyone,
I have an IDL procedure for updating fits file header, which is working fine for almost all fits files but for few files it is showing error:
MODFITS: Input FITS header contains 253 lines
% MODFITS: Current disk FITS header contains 252 lines
% MODFITS: ERROR - FITS header not compatible with existing file
% MODFITS: FITS file BLL1132+0034_CHIP1_SCIENCE_SKY_SPECTRUM_FORS1.2008_05_06T01_ 09_51.196.fits not modified

Can anyone tell how to solve this problem?
The part of my procedure using command:
sxaddpar,h,'CLASS',C
modfits,fname(i),0,h

where h: file header
CLASS: keyword I want to add
C: variable whose value I want to add in CLASS keyword in my fits header.

Please let me know any of your suggestion.

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Re: IDL MODFITS problem. [message #92680 is a reply to message #92679]

Sat, 06 February 2016 11:43

wlandsman
Messages: 743
Registered: June 2000

Senior Member

Are you sure you have the latest version of modfits.pro and ( check_fits.pro)

http://idlastro.gsfc.nasa.gov/ftp/pro/fits/modfits.pro
http://idlastro.gsfc.nasa.gov/ftp/pro/fits/check_fits.pro

with last revision update in August 2013? --Wayne

On Saturday, February 6, 2016 at 9:35:01 AM UTC-5, Sapna Mishra wrote:
> Hello everyone,
> I have an IDL procedure for updating fits file header, which is working fine for almost all fits files but for few files it is showing error:
> MODFITS: Input FITS header contains 253 lines
> % MODFITS: Current disk FITS header contains 252 lines
> % MODFITS: ERROR - FITS header not compatible with existing file
> % MODFITS: FITS file BLL1132+0034_CHIP1_SCIENCE_SKY_SPECTRUM_FORS1.2008_05_06T01_ 09_51.196.fits not modified
>
> Can anyone tell how to solve this problem?
> The part of my procedure using command:
> sxaddpar,h,'CLASS',C
> modfits,fname(i),0,h
>
> where h: file header
> CLASS: keyword I want to add
> C: variable whose value I want to add in CLASS keyword in my fits header.
>
> Please let me know any of your suggestion.

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Re: IDL MODFITS problem. [message #92681 is a reply to message #92679]

Sat, 06 February 2016 21:32

Sapna Mishra
Messages: 66
Registered: December 2015

Member

Sorry but I don't know how to check the version, as nothing is mentioned in my modfits.pro file.
Can you suggest from where I can get the latest one????

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Re: IDL MODFITS problem. [message #92682 is a reply to message #92679]

Sat, 06 February 2016 21:59

Sapna Mishra
Messages: 66
Registered: December 2015

Member

It was actually because of old version of modfits.pro . My problem is solved now. Thanks alot .

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