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Re: Reading non-standard variable sizes [message #81372]

Mon, 10 September 2012 11:56

Brian Daniel
Messages: 80
Registered: July 2009

Member

Thanks for your advice Mike and Craig. After trying and failing with double() and swapping endians (which only reverses the answers you get with double(var,0) and double(var,1)), I realized the data is ASCII and the ICD is really describing the number of characters in the string, not the number of bytes in the binary data. But again, thanks for your help.

-B

On Friday, September 7, 2012 4:44:21 PM UTC-4, Brian J. Daniel wrote:
> I'm attempting to read values from a binary file with some strange variable formats. Specifically, I have a field of data that uses 9 bytes. No IDL data format has 9 bytes. I can do the following:
>
>
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> data = bytarr(9)
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> ReadU, lun, data
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>
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> And lun will be ready to read the next variable, but how do I convert the 9 byte variable into a single 8-byte double number?
>
>
>
> Unfortunately, I can't change the format of this data because its a standard. Thanks for your interest.
>
>
>
> -Brian

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[Message index]

		Re: Reading non-standard variable sizes By: Brian Daniel on Mon, 10 September 2012 11:56
		Re: Reading non-standard variable sizes By: Craig Markwardt on Fri, 07 September 2012 20:49
		Re: Reading non-standard variable sizes By: Michael Galloy on Fri, 07 September 2012 14:23

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