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authorAnton Tananaev <anton.tananaev@gmail.com>2015-10-08 15:08:33 +1300
committerAnton Tananaev <anton.tananaev@gmail.com>2015-10-08 15:08:33 +1300
commiteb4ee7a9d4d0f132546b164c3483d62eb9e9f0db (patch)
tree29bc56f0f67cd49bac31a50e415c614ed4b1c5dc /src/org/traccar/helper/DistanceCalculator.java
parent320d41863864485c5675c9bf8332ff0845e5e812 (diff)
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Clean up reported PMD issues
Diffstat (limited to 'src/org/traccar/helper/DistanceCalculator.java')
-rw-r--r--src/org/traccar/helper/DistanceCalculator.java12
1 files changed, 6 insertions, 6 deletions
diff --git a/src/org/traccar/helper/DistanceCalculator.java b/src/org/traccar/helper/DistanceCalculator.java
index 072f3d7a8..7ba5044bc 100644
--- a/src/org/traccar/helper/DistanceCalculator.java
+++ b/src/org/traccar/helper/DistanceCalculator.java
@@ -17,16 +17,16 @@ package org.traccar.helper;
public class DistanceCalculator {
- private static final double equatorialEarthRadius = 6378.1370D;
- private static final double deg2rad = (Math.PI / 180);
+ private static final double EQUATORIAL_EARTH_RADIUS = 6378.1370;
+ private static final double DEG_TO_RAD = Math.PI / 180;
public static double distance(double lat1, double lon1, double lat2, double lon2) {
- double dlong = (lon2 - lon1) * deg2rad;
- double dlat = (lat2 - lat1) * deg2rad;
+ double dlong = (lon2 - lon1) * DEG_TO_RAD;
+ double dlat = (lat2 - lat1) * DEG_TO_RAD;
double a = Math.pow(Math.sin(dlat / 2), 2) +
- Math.cos(lat1 * deg2rad) * Math.cos(lat2 * deg2rad) * Math.pow(Math.sin(dlong / 2), 2);
+ Math.cos(lat1 * DEG_TO_RAD) * Math.cos(lat2 * DEG_TO_RAD) * Math.pow(Math.sin(dlong / 2), 2);
double c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
- double d = equatorialEarthRadius * c;
+ double d = EQUATORIAL_EARTH_RADIUS * c;
return d * 1000;
}