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Re: point_lun is slow [message #17571 is a reply to message #17437]

Thu, 28 October 1999 00:00

Struan Gray
Messages: 178
Registered: December 1995

Senior Member

George McCabe, george.mccabe@gsfc.nasa.gov writes:

> reading from a data file at regularly spaced byte
> locations, 2 bytes at a time using point_lun
> - my program is abnormally slow.

Perhaps I'm just being dim (it has been known :-), but wouldn't the
simplest way to access this data be to use ASSOC to associate a huge
array of 2-byte variables with the file and then subscript it as
necessary to read in either frames or groups of individual pixels.

Struan

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[Message index]

		point_lun is slow By: George McCabe on Wed, 27 October 1999 00:00
		Re: point_lun is slow By: korpela on Fri, 29 October 1999 00:00
		Re: point_lun is slow By: korpela on Fri, 29 October 1999 00:00
		Re: point_lun is slow By: Liam Gumley on Thu, 28 October 1999 00:00
		Re: point_lun is slow By: George McCabe on Thu, 28 October 1999 00:00
		Re: point_lun is slow By: Struan Gray on Thu, 28 October 1999 00:00
		Re: point_lun is slow By: <karri on Thu, 28 October 1999 00:00
		Re: point_lun is slow By: George McCabe on Mon, 01 November 1999 00:00

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