From 7142f3410ddaa51cfca83981cae372a27e0dffce Mon Sep 17 00:00:00 2001
From: Andrey Novikov <novikov@gmail.com>
Date: Mon, 28 Aug 2017 16:53:54 +0300
Subject: [PATCH] PathLayer: do not try to calculate zero length great circle
 path (#390)

---
 vtm/src/org/oscim/layers/PathLayer.java | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/vtm/src/org/oscim/layers/PathLayer.java b/vtm/src/org/oscim/layers/PathLayer.java
index edf08375..e48a1339 100644
--- a/vtm/src/org/oscim/layers/PathLayer.java
+++ b/vtm/src/org/oscim/layers/PathLayer.java
@@ -153,6 +153,8 @@ public class PathLayer extends Layer {
 
             /* add one point for every 100kms of the great circle path */
             int numberOfPoints = (int) (length / 100000);
+            if (numberOfPoints == 0)
+                return;
 
             addGreatCircle(startPoint, endPoint, numberOfPoints);
         }