On Jan 30, 11:21 am, "Shehariyar" <[email protected]> wrote:
> Dear Sir,
>
> Thank you for your response, which I believe is the method for calculation
> aerial/ shortest distance between two latitude-longitude co-ordinates. What
> I requested is a method of calculating port-to-port sea route distance using
> Google Maps.

Do you have the port-to-port sea routes?

  -- Larry


>
> Best regards
>
> From: [email protected]
> [mailto:[email protected]] On Behalf Of Iam Anonymous
> Sent: Sunday, January 30, 2011 8:26 PM
> To: [email protected]
> Subject: [Google Maps API v3] Re: Nautical Distance tables
>
> It's pretty easy:
>
> http://williams.best.vwh.net/avform.htm#Dist
>   <file:///C:\DOCUME~1\George\LOCALS~1\Temp\moz-screenshot.png>
> <file:///C:\DOCUME~1\George\LOCALS~1\Temp\moz-screenshot-1.png>http://www.gpswaypoints.co.za/Downloads/distcalc.xls
>
> With this type of calculation, some of the numbers can be pretty small, so
> floating point precision can become an issue depending on programming
> language.  I have seen this in VB with close-together points when trying to
> calculate a course between the points.
>
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