X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=altoslib%2FAltosGreatCircle.java;h=a2f128074c89ebe29b446f7af027683762acf9b4;hb=40abb0d1e2f43a60ffa34b055ebb913ee3e20faf;hp=03e056784219e2f29c80138b2c5b9d37a7ed6eda;hpb=97adfff4cfb67c17a96f3ff46606b4e439422b01;p=fw%2Faltos

diff --git a/altoslib/AltosGreatCircle.java b/altoslib/AltosGreatCircle.java
index 03e05678..a2f12807 100644
--- a/altoslib/AltosGreatCircle.java
+++ b/altoslib/AltosGreatCircle.java
@@ -20,7 +20,7 @@ package org.altusmetrum.altoslib_11;
 import java.lang.Math;
 import java.io.*;
 
-public class AltosGreatCircle implements Cloneable, Serializable {
+public class AltosGreatCircle implements Cloneable {
 	public double	distance;
 	public double	bearing;
 	public double	range;
@@ -71,7 +71,10 @@ public class AltosGreatCircle implements Cloneable, Serializable {
 				course = 2 * Math.PI-course;
 		}
 		distance = d * earth_radius;
-		bearing = course * 180/Math.PI;
+		if (Double.isNaN(course) || Double.isInfinite(course))
+			bearing = 0;
+		else
+			bearing = course * 180/Math.PI;
 
 		double height_diff = end_alt - start_alt;
 		range = Math.sqrt(distance * distance + height_diff * height_diff);