RE: longitude / latitude distance calculations

[jstevens@xxxxxxxxxxxxxx]

Oh - I just re-read the comment.  I think that the comment is wrong.


>  *Assumptions
>  *The circumference of the earth in miles = 3954
> dradius           c                   3954


The comment shoudl say "*The radius ofthe earth in miles = 3954"

Right?


Jeff Stevens
Mize, Houser & Co. P.A.
913 451 1882
JStevens@xxxxxxxxxxxxxx





"Dane Cox" <DCox@xxxxxxxxxxxxx> 
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01/12/2005 03:25 PM
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RE: longitude / latitude distance calculations






No laughing if my high school math is off, but yes...

c = 2 * pi * r

c = 2 * 3.14159...* 3954

c = 24,800+

Regards,
Dane

-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx
[mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of
jstevens@xxxxxxxxxxxxxx
Sent: Wednesday, January 12, 2005 2:56 PM
To: RPG programming on the AS400 / iSeries
Subject: Re: longitude / latitude distance calculations

Isn't the earth circumference about 25,000 miles?


Jeff Stevens
Mize, Houser & Co. P.A.
913 451 1882
JStevens@xxxxxxxxxxxxxx





"Buck Calabro" <buck.calabro@xxxxxxxxxxxx> 
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01/12/2005 02:43 PM
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Re: longitude / latitude distance calculations






Folks using this should note that the comment should read 'radius'
like the code does.

>  *Assumptions
>  *The circumference of the earth in miles = 3954
> dradius           c                   3954

  --buck



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