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Re: BYTES to LONG [message #22325]

Wed, 08 November 2000 00:00

Paul van Delst
Messages: 364
Registered: March 1997

Senior Member

Kelly Dean wrote:
>
> Thanks Paul,
>
> Your suggestion solved my problem.
>
> long_x = TOTAL( ISHFT( LONG(x), [24,16,8,0] ) )
>
> It converted the 4 Bytes into a LONG UTM number.

Wow. I posted a useful solution...excuse me while I get up from the floor! :o)

I have to admit, I treated your question as a little IDL exercise rather than think a bit
harder and ask a few more questions to help you solve your problem. If, as Med Bennett
suggested, you can read the data in as a LONG, isn't that a better method? Or didn't that
work for you? I have no idea what the format of a USGS SDTS file is so it may be a
braindead question.

paulv

--
Paul van Delst Ph: (301) 763-8000 x7274
CIMSS @ NOAA/NCEP Fax: (301) 763-8545
Rm.207, 5200 Auth Rd. Email: pvandelst@ncep.noaa.gov
Camp Springs MD 20746

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[Message index]

		Re: BYTES to LONG By: Paul van Delst on Wed, 08 November 2000 00:00
		Re: BYTES to LONG By: Kelly Dean on Wed, 08 November 2000 00:00
		Re: BYTES to LONG By: Kelly Dean on Tue, 07 November 2000 00:00
		Re: BYTES to LONG By: Paul van Delst on Tue, 07 November 2000 00:00
		Re: BYTES to LONG By: John-David T. Smith on Tue, 07 November 2000 00:00
		Re: BYTES to LONG By: davidf on Tue, 07 November 2000 00:00
		Re: BYTES to LONG By: Paul van Delst on Tue, 07 November 2000 00:00
		Re: BYTES to LONG By: Med Bennett on Tue, 07 November 2000 00:00

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