static double geoDistance_km(double lat1, double long1, double lat2, double long2) { double _eQuatorialEarthRadius = 6371; double _d2r = (Math.PI / 180D); double dlong = (long2 - long1) * _d2r; double dlat = (lat2 - lat1) * _d2r; double a = Math.pow(Math.sin(dlat / 2D), 2D) + Math.cos(lat1 * _d2r) * Math.cos(lat2 * _d2r) * Math.pow(Math.sin(dlong / 2D), 2D); double c = 2D * Math.atan2(Math.sqrt(a), Math.sqrt(1D - a)); double d = _eQuatorialEarthRadius * c; return d; }
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Snippet ID: | #1008304 |
Snippet name: | geoDistance_km |
Eternal ID of this version: | #1008304/5 |
Text MD5: | 3e6f43bea96bb819138ceb8fb808b70c |
Author: | stefan |
Category: | javax / math |
Type: | JavaX fragment (include) |
Public (visible to everyone): | Yes |
Archived (hidden from active list): | No |
Created/modified: | 2017-05-07 01:38:58 |
Source code size: | 508 bytes / 11 lines |
Pitched / IR pitched: | No / No |
Views / Downloads: | 618 / 586 |
Version history: | 4 change(s) |
Referenced in: | [show references] |