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2014/10/15 ¤U¤È 10:12:47
iphone Programming Glossary: plonPoint to location using compass http://stackoverflow.com/questions/5092845/point-to-location-using-compass @ latitude floatValue locLon ann objectForKey @ longitude floatValue NSLog @ f f locLat locLon float pLat float pLon if locLat user.latitude locLon user.longitude north east pLat user.latitude pLon locLon degrees 0 else if locLat user.latitude.. @ f f locLat locLon float pLat float pLon if locLat user.latitude locLon user.longitude north east pLat user.latitude pLon locLon degrees 0 else if locLat user.latitude locLon user.longitude south east pLat locLat pLon user.longitude degrees 45.. pLat user.latitude pLon locLon degrees 0 else if locLat user.latitude locLon user.longitude south east pLat locLat pLon user.longitude degrees 45 else if locLat user.latitude locLon user.longitude south west pLat locLat pLon user.latitude degrees..
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