X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=altoslib%2FAltosGreatCircle.java;h=cd5b9636a4bea28957048bc87f2accf7dc6f712d;hp=716eeef98396c61ad3ec3d6f063143ad4cfe1d8e;hb=eaf2ee0f498b519d64e1664a2b8c66c52ac1497c;hpb=bd440afc2a6e37b74fffcf1b977e149485095316

diff --git a/altoslib/AltosGreatCircle.java b/altoslib/AltosGreatCircle.java
index 716eeef9..cd5b9636 100644
--- a/altoslib/AltosGreatCircle.java
+++ b/altoslib/AltosGreatCircle.java
@@ -3,7 +3,8 @@
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful, but
  * WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -15,9 +16,10 @@
  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  */
 
-package org.altusmetrum.altoslib_5;
+package org.altusmetrum.altoslib_13;
 
 import java.lang.Math;
+import java.io.*;
 
 public class AltosGreatCircle implements Cloneable {
 	public double	distance;
@@ -27,8 +29,8 @@ public class AltosGreatCircle implements Cloneable {
 
 	double sqr(double a) { return a * a; }
 
-	static final double rad = Math.PI / 180;
-	static final double earth_radius = 6371.2 * 1000;	/* in meters */
+	public static final double rad = Math.PI / 180;
+	public static final double earth_radius = 6371.2 * 1000;	/* in meters */
 
 	public static final int BEARING_LONG = AltosConvert.BEARING_LONG;
 	public static final int BEARING_SHORT = AltosConvert.BEARING_SHORT;
@@ -70,7 +72,10 @@ public class AltosGreatCircle implements Cloneable {
 				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);