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-rw-r--r--vespajlib/src/main/java/com/yahoo/geo/ParseDistance.java56
1 files changed, 56 insertions, 0 deletions
diff --git a/vespajlib/src/main/java/com/yahoo/geo/ParseDistance.java b/vespajlib/src/main/java/com/yahoo/geo/ParseDistance.java
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+++ b/vespajlib/src/main/java/com/yahoo/geo/ParseDistance.java
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+// Copyright Verizon Media. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+
+package com.yahoo.geo;
+
+public class ParseDistance {
+ // according to wikipedia:
+ // Earth's equatorial radius = 6378137 meter - not used
+ // meters per mile = 1609.344
+ // 180 degrees equals one half diameter equals PI*r
+ // Earth's polar radius = 6356752 meter
+
+ public final static double m2deg = 180.0 / (Math.PI * 6356752.0);
+ public final static double km2deg = 1000.000 * 180.0 / (Math.PI * 6356752.0);
+ public final static double mi2deg = 1609.344 * 180.0 / (Math.PI * 6356752.0);
+
+ public double degrees = 0.0;
+
+ public ParseDistance(String distance) {
+ if (distance.endsWith(" km")) {
+ double km = Double.valueOf(distance.substring(0, distance.length()-3));
+ degrees = km * km2deg;
+ } else if (distance.endsWith(" m")) {
+ double meters = Double.valueOf(distance.substring(0, distance.length()-2));
+ degrees = meters * m2deg;
+ } else if (distance.endsWith(" miles")) {
+ double miles = Double.valueOf(distance.substring(0, distance.length()-6));
+ degrees = miles * mi2deg;
+ } else if (distance.endsWith(" mi")) {
+ double miles = Double.valueOf(distance.substring(0, distance.length()-3));
+ degrees = miles * mi2deg;
+ } else if (distance.endsWith(" deg")) {
+ degrees = Double.valueOf(distance.substring(0, distance.length()-4));
+ } else if (distance.endsWith(" d")) {
+ degrees = Double.valueOf(distance.substring(0, distance.length()-2));
+ } else if (distance.endsWith("km")) {
+ double km = Double.valueOf(distance.substring(0, distance.length()-2));
+ degrees = km * km2deg;
+ } else if (distance.endsWith("m")) {
+ double meters = Double.valueOf(distance.substring(0, distance.length()-1));
+ degrees = meters * m2deg;
+ } else if (distance.endsWith("miles")) {
+ double miles = Double.valueOf(distance.substring(0, distance.length()-5));
+ degrees = miles * mi2deg;
+ } else if (distance.endsWith("mi")) {
+ double miles = Double.valueOf(distance.substring(0, distance.length()-2));
+ degrees = miles * mi2deg;
+ } else if (distance.endsWith("deg")) {
+ degrees = Double.valueOf(distance.substring(0, distance.length()-3));
+ } else if (distance.endsWith("d")) {
+ degrees = Double.valueOf(distance.substring(0, distance.length()-1));
+ } else {
+ degrees = Integer.parseInt(distance) * 0.000001;
+ }
+ }
+
+}