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Re: [Maposmatic-dev] Implementing bbox limitation
From: |
David MENTRE |
Subject: |
Re: [Maposmatic-dev] Implementing bbox limitation |
Date: |
Wed, 9 Sep 2009 12:35:54 +0200 |
Hello Thomas,
2009/9/9 Thomas Petazzoni <address@hidden>:
> Le Tue, 8 Sep 2009 11:10:53 +0200,
> David MENTRE <address@hidden> a écrit :
>> Why? The surface on the sphere is the same, whatever latitude you are
>> looking at.
>
> Hum, sorry, but I don't think you're correct.
>
> On the latitude side, yes, wherever you are on earth, 1° of latitude
> will always be the same distance. However, the distance of 1° of
> longitude depends on the latitude.
>
> At the equator, 1° of longitude is a long distance, while near the
> poles, it's a much shorter distance.
I agree.
Yours,
d.
Re: [Maposmatic-dev] Implementing bbox limitation, David Decotigny, 2009/09/08
Re: [Maposmatic-dev] Implementing bbox limitation, Thomas Petazzoni, 2009/09/08