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	<title>web development helpdesk &#187; distance</title>
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		<title>Distance between two latitude,longitude points</title>
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		<pubDate>Mon, 05 Oct 2009 23:37:46 +0000</pubDate>
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		<category><![CDATA[distance]]></category>
		<category><![CDATA[latitude]]></category>
		<category><![CDATA[longitude]]></category>

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		<description><![CDATA[The Spherical law of cosines gives a pretty accurate result that will be sufficient for most applications. /** lat, longs are in radians */ public static double distance(double lat1, double lon1, double lat2, double lon2) { return R * Math.acos(Math.sin(lat1) * Math.sin(lat2) + Math.cos(lat1) * Math.cos(lat2) * Math.cos(lon1 - lon2)); } private static final double [...]]]></description>
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