[GRASS-dev] latlong problem

Markus Neteler neteler at itc.it
Thu Mar 8 08:40:44 EST 2007


Glynn Clements wrote on 03/08/2007 08:23 AM:
> Glynn Clements wrote:
>
>   
>> Actually, this isn't a problem which can be "solved". What do you do
>> if you *want* a polygon which spans 340° of longitude? How do you
>> interpret a polygon which spans exactly 180°; which hemisphere does it
>> cover?
>>
>> IOW, I don't think that we'll ever get this "right".
>>     
>
> BTW, people with far more resources than us manage to get this wrong:
>
> 	http://www.defensenews.com/story.php?F=2590456&C=america
>
>   
"In less than 48 hours, F-22A contractor Lockheed Martin delivered a
software fix. An F-22A at Nellis successfully flew with the updated
software, Bergeson said.
"

We can still beat that :)

Markus




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