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Re: how to calculate distance from pairs of latitude/longitude measurements? [message #65584]

Thu, 12 March 2009 07:20

Jeremy Bailin
Messages: 618
Registered: April 2008

Senior Member

On Mar 12, 8:02 am, mankoff <mank...@gmail.com> wrote:
> On Mar 11, 4:33 pm, llo <bernat.puigdomen...@gmail.com> wrote:
>
>
>
>> I am working on a project where I will be receiving measurements from
>> the Global
>> Positioning System, presumably latitude and longitude measurements,
>> and I will
>> need to calculate the distances between the measurement points. The
>> measurements
>> will all be taken over a region of only a few miles so I guess I could
>> assume
>> the earth is flat over this region and just calculate the straight
>> line
>> distance.
>
>> But I was wondering if anyone could help me with a more mathematically
>> rigorous method for calculating distance from pairs of latitude/
>> longitude
>> measurements?
>
>> thanks,
>
>> llo
>
> As mentioned below map_2points works. I've found distance_sphere (in
> the ICG library) to be handy because it works with vectors.
>
> -k.

...or SPHDIST in the Astronomy User's Library.

-Jeremy.

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[Message index]

		Re: how to calculate distance from pairs of latitude/longitude measurements? By: Jeremy Bailin on Thu, 12 March 2009 07:20
		Re: how to calculate distance from pairs of latitude/longitude measurements? By: mankoff on Thu, 12 March 2009 05:02
		Re: how to calculate distance from pairs of latitude/longitude measurements? By: natha on Wed, 11 March 2009 14:12
		Re: how to calculate distance from pairs of latitude/longitude measurements? By: KRDean on Wed, 11 March 2009 13:44
		Re: how to calculate distance from pairs of latitude/longitude measurements? By: David Fanning on Wed, 11 March 2009 13:33
		Re: how to calculate distance from pairs of latitude/longitude measurements? By: natha on Wed, 11 March 2009 13:21
		Re: how to calculate distance from pairs of latitude/longitude measurements? By: Bruce Bowler on Wed, 11 March 2009 13:07
		Re: how to calculate distance from pairs of latitude/longitude measurements? By: natha on Wed, 11 March 2009 12:49

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