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Re: Insert row in structure [message #14595 is a reply to message #14588]

Thu, 11 March 1999 00:00

Joe[2]
Messages: 11
Registered: May 1998

Junior Member

Yeah, I agree - very confusing. I guess that I would make dataout
big enough to hold the longest possible set of data's and just
append. Then after it is all done resort dataout to the desired order.
Otherwise, you are going to have to move large blocks of data
around every time you do an 'insert'. you are obviously sorting
these data by some criteria. Either add that info to the data's or
keep it as a separate array.

Joe Zawodny

> Joe Means (means@fsl.orst.edu) writes:
>
>> Howdy, I would like an effecient way to insert a row or observation in a
>> structure. The structure is simple like:
>> data = {data1,num:0L,x:0.0,y:0.0,z0.0}
>> dataout = Replicate(data,100000L)
>>
>> I will have to insert, and at other times append, rows into dataout.
>
> I don't think I understand what you are looking for.
> Is a "row" or "observation" another DATA1 structure?
> Or do you want to add another field to each DATA1 structure?
>
> Or does "insert a row" mean to add another DATA1
> structure into the middle of the dataout array of
> structures?
>
> I'm confused. :-(
>
> Cheers,
>
> David
>
> --
> David Fanning, Ph.D.
> Fanning Software Consulting
> Phone: 970-221-0438 E-Mail: davidf@dfanning.com
> Coyote's Guide to IDL Programming: http://www.dfanning.com/
> Toll-Free IDL Book Orders: 1-888-461-0155

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[Message index]

		Re: Insert row in structure By: David Foster on Fri, 12 March 1999 00:00
		Re: Insert row in structure By: Joe[2] on Thu, 11 March 1999 00:00
		Re: Insert row in structure By: davidf on Thu, 11 March 1999 00:00
		Re: Insert row in structure By: davidf on Thu, 11 March 1999 00:00
		Re: Insert row in structure By: Joe Means on Thu, 11 March 1999 00:00
		Re: Insert row in structure By: davidf on Wed, 10 March 1999 00:00

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