103 |
return result; |
return result; |
104 |
} |
} |
105 |
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106 |
//the "hack" with max 0.7 degrees latitude and 1.2 degrees longitude is only valid since we only service danish trains |
//the "hack" with max 0.5 degrees latitude and 0.9 degrees longitude is only valid since we only service danish trains, |
107 |
// in denmark 0.7dg latitude ~ 77km, 1.2dg longitude ~ 76km |
// in denmark 0.5dg latitude ~ 55km, 0.9dg longitude ~ 57km |
108 |
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109 |
// the ultra fast method (and only slightly inaccurate as long as we only cover a limited geographically area) |
// the ultra fast method (and only slightly inaccurate as long as we only cover a limited geographically area) |
110 |
// is using an aproximation of the length of 1 latitude degree and 1 longitude degree and just use pythagoras to |
// is using an aproximation of the length of 1 latitude degree and 1 longitude degree and just use pythagoras to |
113 |
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114 |
public List<StationBean> getByLocationWorker(double latitude, double longitude, boolean geolimit) throws SQLException { |
public List<StationBean> getByLocationWorker(double latitude, double longitude, boolean geolimit) throws SQLException { |
115 |
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116 |
String limitExpression = geolimit == true ? "AND abs(latitude-?)<0.7 AND abs(longitude-?)<1.2 " : ""; |
String limitExpression = geolimit == true ? "AND abs(latitude-?)<0.5 AND abs(longitude-?)<0.9 " : ""; |
117 |
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118 |
String SQL = "SELECT id,name,latitude,longitude,stationcode_fjrn,stationcode_stog, stationcode_metro, address, " + |
String SQL = "SELECT id,name,latitude,longitude,stationcode_fjrn,stationcode_stog, stationcode_metro, address, " + |
119 |
"earth_distance( earth_coord, ll_to_earth(?,?))::int AS calcdist " + |
"earth_distance( earth_coord, ll_to_earth(?,?))::int AS calcdist " + |