road distance

Luis Quesada

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May 10, 2010, 9:04:59 AM5/10/10

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Dear all,
Is there a way of computing the road distance (i.e., the distance that
you would travel if you were to use the road network) between a pair
of coordinates using geopy?
If not, are you aware of any other package that can be used for this
purpose?
Thanks in advance!
Cheers,
Luis

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Douglas Mayle

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May 10, 2010, 11:50:04 AM5/10/10

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Sure, If you have access to the road data, you can perform an A* search:
http://en.wikipedia.org/wiki/A*_search_algorithm

Alex Ezell

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May 10, 2010, 12:58:41 PM5/10/10

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Hi Luis,

I've not done it in Python directly, but I have done it using the Directions API (AJAX) that Google Maps provides. You basically are asking for directions between the two points, but what you really care about is the distance value that the API returns.

Would that work for you?

Alex

Luis Quesada

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May 10, 2010, 1:05:45 PM5/10/10

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On Mon, May 10, 2010 5:58 pm, Alex Ezell wrote:
> Hi Luis,
> I've not done it in Python directly, but I have done it using the
> Directions
> API (AJAX) that Google Maps provides. You basically are asking for
> directions between the two points, but what you really care about is the
> distance value that the API returns.
>

> Would that work for you?t
Thanks a lot Alex! It seems this is what we need.
Cheers,
Luis

>
> Alex
>
> On Mon, May 10, 2010 at 8:04 AM, Luis Quesada <
> luis.omar.qu...@gmail.com> wrote:
>
>> Dear all,
>> Is there a way of computing the road distance (i.e., the distance that
>> you would travel if you were to use the road network) between a pair
>> of coordinates using geopy?
>> If not, are you aware of any other package that can be used for this
>> purpose?
>> Thanks in advance!
>> Cheers,
>> Luis
>>
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>> Groups
>> "geopy" group.
>> To post to this group, send email to ge...@googlegroups.com.
>> To unsubscribe from this group, send email to
>> geopy+un...@googlegroups.com

>> <geopy%2Bunsu...@googlegroups.com>.

>> For more options, visit this group at
>> http://groups.google.com/group/geopy?hl=en.
>>
>>
>
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> http://groups.google.com/group/geopy?hl=en.
>
>

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Luis Quesada
Research Scientist
Cork Constraint Computation Centre
University College Cork
Cork - Ireland
Phone: (+353) 21 420 5376
Fax: (+353) 21 420 5369
Web: http://4c.ucc.ie/~lquesada

Luis Quesada

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May 10, 2010, 12:41:17 PM5/10/10

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On Mon, May 10, 2010 4:50 pm, Douglas Mayle wrote:
> Sure, If you have access to the road data, you can perform an A* search:
> http://en.wikipedia.org/wiki/A*_search_algorithm

Well, that's precisely the point: I don't have access to the road data.
Cheers,
Luis

--
Luis Quesada
Research Scientist
Cork Constraint Computation Centre
University College Cork
Cork - Ireland
Phone: (+353) 21 420 5376
Fax: (+353) 21 420 5369
Web: http://4c.ucc.ie/~lquesada

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