diff options
Diffstat (limited to 'main/src/cgeo/geocaching/geopoint/Geopoint.java')
| -rw-r--r-- | main/src/cgeo/geocaching/geopoint/Geopoint.java | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/main/src/cgeo/geocaching/geopoint/Geopoint.java b/main/src/cgeo/geocaching/geopoint/Geopoint.java index 1655343..bb34114 100644 --- a/main/src/cgeo/geocaching/geopoint/Geopoint.java +++ b/main/src/cgeo/geocaching/geopoint/Geopoint.java @@ -556,15 +556,14 @@ public final class Geopoint implements ICoordinates, Parcelable { * Gets distance in meters (workaround for 4.2.1 JIT bug). */ public static double getDistance(double lat1, double lon1, double lat2, double lon2) { - double earthRadius = 6372.8; // for haversine use R = 6372.8 km instead of 6371 km + // for haversine use R = 6372.8 km instead of 6371 km + double earthRadius = 6372.8; double dLat = toRadians(lat2 - lat1); double dLon = toRadians(lon2 - lon1); double a = Math.sin(dLat / 2) * Math.sin(dLat / 2) + Math.cos(toRadians(lat1)) * Math.cos(toRadians(lat2)) * Math.sin(dLon / 2) * Math.sin(dLon / 2); - //double c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1-a)); - //return R * c * 1000; - // simplify haversine: + // simplify haversine return (2 * earthRadius * 1000 * Math.asin(Math.sqrt(a))); } @@ -582,8 +581,8 @@ public final class Geopoint implements ICoordinates, Parcelable { } /** - * Check whether a lo bngitudeuilt from user supplied data is valid. We accept both E180/W180. - * + * Check whether a longitude from user supplied data is valid. We accept both E180/W180. + * * @return <tt>true</tt> if the longitude looks valid, <tt>false</tt> otherwise */ public static boolean isValidLongitude(final double longitude) { |