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Date formating in GetNBox

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[quote][i]Originally posted by memorialsb[/i]
[br]Origin Version (Select Help-->About Origin): v7.5853
Operating System: Win 2000

Quick question,

Is there a way to drop a date format on a GetNBox dialog?

I want to do something like this:

Dialog Title
------------
  Worksheet:           Data1
  Date of aquisition:  10/18/04
  Elapsed days:        <10/18/04 - StdDate>
  <Other Data & fields ....>

Essentially I'm creating a dialog with the GetN_Tree that the user would specify when the data was acquired, and the dialog would automatically update (or at least be able to compute internally) how many days have elapsed since a standard date. The dialog then goes on with other fill in the blank sorts of questions.

I've thought about trying to convert the string to a time_t and subtracting that way, but it seems like a lot of trouble unless there was an easier way through OriginC or LabTalk.

-Matt

Matthew Meineke
mmeineke@memoralsb.org

Edited by - memorialsb on 10/18/2004  4:57:18 PM
[/quote]

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T O P I C R E V I E W
memorialsb	Posted - 10/18/2004 : 4:50:49 PM Origin Version (Select Help-->About Origin): v7.5853 Operating System: Win 2000 Quick question, Is there a way to drop a date format on a GetNBox dialog? I want to do something like this: Dialog Title ------------ Worksheet: Data1 Date of aquisition: 10/18/04 Elapsed days: <10/18/04 - StdDate> <Other Data & fields ....> Essentially I'm creating a dialog with the GetN_Tree that the user would specify when the data was acquired, and the dialog would automatically update (or at least be able to compute internally) how many days have elapsed since a standard date. The dialog then goes on with other fill in the blank sorts of questions. I've thought about trying to convert the string to a time_t and subtracting that way, but it seems like a lot of trouble unless there was an easier way through OriginC or LabTalk. -Matt Matthew Meineke mmeineke@memoralsb.org Edited by - memorialsb on 10/18/2004 4:57:18 PM
2 L A T E S T R E P L I E S (Newest First)
memorialsb	Posted - 10/18/2004 : 6:14:16 PM Thanks, Test code pretty much works as expected: string dateFrmt = "MM'/'dd'/'yyyy"; string stdDate = "9/21/2004"; string dateAcquired = "10/18/2004"; double stdDateVal; double dateAcquiredVal; double diff; str_to_date_custom(stdDate, dateFrmt, &stdDateVal); str_to_date_custom(dateAcquired, dateFrmt, &dateAcquiredVal); diff = dateAcquiredVal - stdDateVal; printf( "stdDate = %lf;\n" "dateAcquired = %lf;\n" "diff = %lf days\n", stdDateVal, dateAcquiredVal, diff ); Gives the following: stdDate = 2453269.000000; dateAcquired = 2453296.000000; diff = 27.000000 days So this will work for now. -Matt Matthew Meineke mmeineke@memoralsb.org
cpyang	Posted - 10/18/2004 : 5:16:34 PM I am afraid you will need to do this using strings for now. We are planning to make this easier in Origin8, but for the time being, consider the following functions that you have access to, 1. converting a date string (short format) into Julian Day str_to_date_custom 2. convert a Julina Day (double) into a string date_to_str_custom or use LabTalk notation "Dn" where n is the index into date format drop down DoubleToStr(dVal, szBuff, nBuffSize, "D9"); CP Edited by - cpyang on 10/18/2004 8:00:08 PM

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