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Re: how to sort data based on other sorted data [message #58006 is a reply to message #57994]

Wed, 09 January 2008 13:30

Brian Larsen
Messages: 270
Registered: June 2006

Senior Member

On Jan 9, 4:03 pm, wlandsman <wlands...@gmail.com> wrote:
> On Jan 9, 2:24 pm, placebo <willie.mad...@gmail.com> wrote:
> In order to keep this post short lets say the
>
>> data file has 8 coordinates scrambled in the list, and I want to sort
>> it first by the 'z' coordinate (3rd column) then by the 'y' coordinate
>> (2nd column) then finally by the 'x' column. for example:
>
> try Craig Markwardt's multisort
>
> http://astrog.physics.wisc.edu/~craigm/idl/arrays.html#MULTI SORT

I would be interested in seeing a benchmark of the two methods, your
nested loop method and the oddness that is multisort. That is a heck
of a routine...

Cheers,

Brian

------------------------------------------------------------ --------------
Brian Larsen
Boston University
Center for Space Physics

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[Message index]

		Re: how to sort data based on other sorted data By: placebo on Thu, 10 January 2008 12:51
		Re: how to sort data based on other sorted data By: pgrigis on Thu, 10 January 2008 11:16
		Re: how to sort data based on other sorted data By: JMB on Thu, 10 January 2008 10:52
		Re: how to sort data based on other sorted data By: JMB on Thu, 10 January 2008 10:47
		Re: how to sort data based on other sorted data By: placebo on Thu, 10 January 2008 10:23
		Re: how to sort data based on other sorted data By: JMB on Thu, 10 January 2008 05:52
		Re: how to sort data based on other sorted data By: Brian Larsen on Wed, 09 January 2008 13:30
		Re: how to sort data based on other sorted data By: wlandsman on Wed, 09 January 2008 13:03
		Re: how to sort data based on other sorted data By: Tom McGlynn on Fri, 11 January 2008 09:53

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