{"id":395,"date":"2009-09-02T13:14:00","date_gmt":"2009-09-02T13:14:00","guid":{"rendered":"http:\/\/www.tutego.de\/blog\/javainsel\/?p=395"},"modified":"2009-09-02T13:14:00","modified_gmt":"2009-09-02T13:14:00","slug":"latitudelongitude-distance-in-java","status":"publish","type":"post","link":"https:\/\/www.tutego.de\/blog\/javainsel\/2009\/09\/latitudelongitude-distance-in-java\/","title":{"rendered":"Latitude\/Longitude distance in Java"},"content":{"rendered":"<pre class=\"prettyprint\">public class LongLatUtils<br \/>{<br \/><br \/>  \/**<br \/><br \/>   * Calculates the great circle distance between two points on the Earth. Uses the Haversine Formula.<br \/><br \/>   *<br \/><br \/>   * @param latitude1   Latitude of first location in decimal degrees.<br \/><br \/>   * @param longitude1  Longitude of first location in decimal degrees.<br \/><br \/>   * @param latitude2   Latitude of second location in decimal degrees.<br \/><br \/>   * @param longitude2  Longitude of second location in decimal degrees.<br \/><br \/>   * @return            Distance in meter.<br \/><br \/>   *\/<br \/><br \/>  public static double distance( double latitude1, double longitude1, double latitude2, double longitude2 )<br \/><br \/>  {<br \/><br \/>      double latitudeSin  = Math.sin( Math.toRadians(latitude2 - latitude1) \/ 2 );<br \/><br \/>      double longitudeSin = Math.sin( Math.toRadians(longitude2 - longitude1) \/ 2 );<br \/><br \/><br \/><br \/>      double a = latitudeSin * latitudeSin<br \/><br \/>                       + Math.cos( Math.toRadians(latitude1)) * Math.cos(Math.toRadians(latitude2) ) * longitudeSin * longitudeSin;<br \/><br \/><br \/><br \/>      double c = 2 * Math.atan2( Math.sqrt(a), Math.sqrt(1 - a) );<br \/><br \/><br \/><br \/>      return 6378137 * c;<br \/><br \/>  }<br \/><br \/><br \/><br \/><br \/><br \/>  \/**<br \/><br \/>   * Converts latitude and longitude from degrees, minutes, and seconds in decimal degrees.<br \/><br \/>   *<br \/><br \/>   * @param degrees<br \/><br \/>   * @param minutes<br \/><br \/>   * @param seconds<br \/><br \/>   * @return           Latitude and longitude in decimal degrees.<br \/><br \/>   *\/<br \/><br \/>  public static double convertDegreesMinutesSecondsToDecimalDegrees( int degrees, int minutes, int seconds )<br \/><br \/>  {<br \/><br \/>      return degrees + minutes\/60. + seconds\/3600.;<br \/><br \/>  }<br \/><br \/><br \/><br \/>  \/\/        public static void main(String[] args)<br \/><br \/>  \/\/      {<br \/><br \/>  \/\/            System.out.println( convertDegreesMinutesSecondsToDecimalDegrees(38, 53, 23 ));<br \/><br \/>  \/\/          System.out.println( distance(38.898556, -77.037852, 38.897147, -77.043934));<br \/><br \/>  \/\/      }<br \/><br \/>}<br \/><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>public class LongLatUtils{ \/** * Calculates the great circle distance between two points on the Earth. Uses the Haversine Formula. * * @param latitude1 Latitude of first location in decimal degrees. * @param longitude1 Longitude of first location in decimal degrees. * @param latitude2 Latitude of second location in decimal degrees. * @param longitude2 Longitude [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","_links_to":"","_links_to_target":""},"categories":[1],"tags":[],"class_list":["post-395","post","type-post","status-publish","format-standard","hentry","category-allgemein"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.tutego.de\/blog\/javainsel\/wp-json\/wp\/v2\/posts\/395","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tutego.de\/blog\/javainsel\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tutego.de\/blog\/javainsel\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tutego.de\/blog\/javainsel\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tutego.de\/blog\/javainsel\/wp-json\/wp\/v2\/comments?post=395"}],"version-history":[{"count":0,"href":"https:\/\/www.tutego.de\/blog\/javainsel\/wp-json\/wp\/v2\/posts\/395\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.tutego.de\/blog\/javainsel\/wp-json\/wp\/v2\/media?parent=395"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tutego.de\/blog\/javainsel\/wp-json\/wp\/v2\/categories?post=395"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tutego.de\/blog\/javainsel\/wp-json\/wp\/v2\/tags?post=395"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}