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Re: Insert row in structure [message #14607 is a reply to message #14595]

Thu, 11 March 1999 00:00

davidf
Messages: 2866
Registered: September 1996

Senior Member

Joe Means (means@fsl.orst.edu) writes:

> David, My answers to your questions are inserted in CAPS.
> Joe
>
> David Fanning wrote:
>
>> 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? --YES--
>> Or do you want to add another field to each DATA1 structure? --NO--
>>
>> Or does "insert a row" mean to add another DATA1
>> structure into the middle of the dataout array of
>> structures? --YES--

Well, then. How about something like this:

data = {data1,num:0L,x:0.0,y:0.0,z0.0}
dataout = Replicate(data, 100000L)

Insert new DATA1 structure into position 98 in the array:

newdata = {DATA1}
dataout = dataout[0:96, newdata, 97:*]

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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