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Re: julday() and fractional days [message #56461 is a reply to message #56450]

Tue, 30 October 2007 19:20

ben.bighair
Messages: 221
Registered: April 2007

Senior Member

On Oct 30, 8:02 pm, Ed Hyer <ejh...@gmail.com> wrote:
> OK, if you search c.l.i-p for this you'll find a post from Craig
> Markwardt wherein he laments that JULDAY "doesn't handle fractional
> days". Someone replies to say yes it does, but I think that person
> misunderstood.
>
> IDL> print,julday(12,31,2005,0,0,0)
> 2453735.5
> IDL> print,julday(12,31.2,2005,0,0,0)
> 2453735.5
>
> I'm really unhappy with IDL right now.

Hi Ed,

Would this work for you?

IDL> print,eh_julday(12,31,2005,0,0,0)
2453735.5
IDL> print,eh_julday(12,31.2,2005,0,0,0)
2453735.7

***BEGIN
FUNCTION EH_JULDAY, mon, day, year, hour, min, sec

case N_PARAMS() of
6: j = JULDAY(mon, day, year, hour, min,sec)
3: j = JULDAY(mon, day, year)
ELSE: MESSAGE, '3 or 6 arguments required'
endcase

return, j + (day - FLOOR (day))
end
***END

Ben

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[Message index]

		Re: julday() and fractional days By: Bob[3] on Wed, 31 October 2007 09:16
		Re: julday() and fractional days By: Craig Markwardt on Wed, 31 October 2007 08:49
		Re: julday() and fractional days By: ben.bighair on Tue, 30 October 2007 19:20
		Re: julday() and fractional days By: Craig Markwardt on Thu, 01 November 2007 07:39

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