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Re: array of Julian Days [message #63524 is a reply to message #63521]

Wed, 12 November 2008 09:09

Wasit.Weather
Messages: 62
Registered: February 2008

Member

On Nov 12, 9:37 am, David Fanning <n...@dfanning.com> wrote:
> Bulrush writes:
>> With the while loop, I got only 8 values, each increased just +1, e.g.
>> 264,265,266... even if I set the step as 8. And become dead loop,
>> looping all the day non-stop for that the same 8 values.
>
> Your while loop ran all day long because you never
> changed the conditional variable. Thus, it started
> true and it remained true. (It's probably still true
> now!)
>
> Cheers,
>
> David
> --
> David Fanning, Ph.D.
> Fanning Software Consulting, Inc.
> Coyote's Guide to IDL Programming:http://www.dfanning.com/
> Sepore ma de ni thui. ("Perhaps thou speakest truth.")
Here is the updated code. How can I stop then. Why the days are not
increasing steps of 8, and just increasing with an increment of 1?
JDays = LINDGEN(366)
Daystep = 265
; collect the days

WHILE Daystep LE 363 Do Begin
arr = WHERE((JDays LE Daystep+8) AND (JDays GT Daystep),
count)
IF count GT 0 THEN Days = JDays[arr] ELSE days = [-1]
print, days
ENDWHILE

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[Message index]

		Re: array of Julian Days By: David Fanning on Wed, 12 November 2008 10:13
		Re: array of Julian Days By: Wasit.Weather on Wed, 12 November 2008 09:09
		Re: array of Julian Days By: David Fanning on Wed, 12 November 2008 07:37
		Re: array of Julian Days By: Wasit.Weather on Wed, 12 November 2008 07:21
		Re: array of Julian Days By: R.Bauer on Wed, 12 November 2008 01:08
		Re: array of Julian Days By: R.Bauer on Wed, 12 November 2008 01:05
		Re: array of Julian Days By: Craig Markwardt on Tue, 11 November 2008 15:24
		Re: array of Julian Days By: Wasit.Weather on Tue, 11 November 2008 14:37
		Re: array of Julian Days By: Wasit.Weather on Tue, 11 November 2008 14:35
		Re: array of Julian Days By: David Fanning on Tue, 11 November 2008 14:12
		Re: array of Julian Days By: R.G. Stockwell on Tue, 11 November 2008 13:57
		Re: array of Julian Days By: R.Bauer on Tue, 11 November 2008 13:51
		Re: array of Julian Days By: R.Bauer on Thu, 13 November 2008 01:32

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