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Re: IDL Error GCPC data [message #69249 is a reply to message #69248]

Thu, 24 December 2009 18:29

sampton
Messages: 8
Registered: December 2009

Junior Member

OK ! you're the expert then ;)
As of the file extention what I mean is that I have more than one
binary data file ending by 'year': gpcp_v2.1_psg.1979, gpcp_v2.1_psg.
1980 and so on.
I'll try those command and get back to you in case,
Thanks again and greeting fo the Holidays season.
S.S.

On 24 déc, 14:07, David Fanning <n...@dfanning.com> wrote:
> sampton writes:
>> Yes I know that I'm missing a lot it's my first steeps with IDL ;)
>
> OK, then. Expected. :-)
>
>> As of the file name no I just want to mention that there is a binary
>> data file and the real name is: gpcp_v2.1_psg.1979
>> and the year extension changes from 1979 to 2009.
>
> I don't know what you mean by 'changing the year extension',
> since there is nothing like that in your code. Your code opens
> the file you supply it and reads a structure out of it. If this
> is what you have in mind, then the command you would use is:
>
> IDL> read_v2_1, 'gpcp_v2.1_psg.1979', struct
>
> This *assumes* the file is located in your current IDL directory.
> Almost always a *bad* assumption, as it turns out. But we will
> save that for a future lesson.
>
> Your code then goes to a lot of trouble to do some byte swapping,
> in needed. This can be MUCH more easily done by using the
> SWAP_IF_*** keywords on the OPENR command. Look up the OPENR
> statement in the on-line help.
>
>> you suggested: .COMPILE do I have to include the file name in the
>> path or just the command ?
>
> If your file is named correctly, and is located somewhere in
> your IDL path, then you just have to supply the "root" name
> of the file:
>
> IDL> .compile tvimage
>
> Cheers,
>
> David
> --
> David Fanning, Ph.D.
> Fanning Software Consulting, Inc.
> Coyote's Guide to IDL Programming:http://www.dfanning.com/
> Sepore ma de ni thui. ("Perhaps thou speakest truth.")

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[Message index]

		Re: IDL Error GCPC data By: David Fanning on Tue, 29 December 2009 11:35
		Re: IDL Error GCPC data By: sampton on Tue, 29 December 2009 11:28
		Re: IDL Error GCPC data By: sampton on Fri, 25 December 2009 09:38
		Re: IDL Error GCPC data By: David Fanning on Thu, 24 December 2009 20:21
		Re: IDL Error GCPC data By: sampton on Thu, 24 December 2009 18:29
		Re: IDL Error GCPC data By: David Fanning on Thu, 24 December 2009 11:07
		Re: IDL Error GCPC data By: sampton on Thu, 24 December 2009 10:18
		Re: IDL Error GCPC data By: David Fanning on Thu, 24 December 2009 09:38
		Re: IDL Error GCPC data By: sampton on Thu, 24 December 2009 08:57
		Re: IDL Error GCPC data By: Wout De Nolf on Thu, 24 December 2009 00:59
		Re: IDL Error GCPC data By: sampton on Mon, 04 January 2010 17:13

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