From 6a4c40a3b4a2cbebeea0aee18c77952a13d48599 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Laura=20Kl=C3=BCnder?= <laura@codingcatgirl.de>
Date: Thu, 21 Dec 2017 21:26:49 +0100
Subject: [PATCH] space without altitudeareas? location unreachable!

---
 src/c3nav/routing/router.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/c3nav/routing/router.py b/src/c3nav/routing/router.py
index f3485493..372650e9 100644
--- a/src/c3nav/routing/router.py
+++ b/src/c3nav/routing/router.py
@@ -474,6 +474,8 @@ class RouterSpace(BaseRouterProxy):
 
     def altitudearea_for_point(self, point):
         point = Point(point.x, point.y)
+        if not self.altitudeareas:
+            raise LocationUnreachable
         for area in self.altitudeareas:
             if area.geometry_prep.intersects(point):
                 return area