From 98665fef91f7b42e1458bec9dc6ecf9faa46be69 Mon Sep 17 00:00:00 2001
From: Bryan Housel <bryan@7thposition.com>
Date: Sat, 28 Feb 2015 22:59:10 -0500
Subject: [PATCH] Don't allow zoomTo on an entity with degenrate extent

(because sending the map to NaN/NaN/NaN is not cool)
---
 js/id/renderer/map.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/js/id/renderer/map.js b/js/id/renderer/map.js
index 8d9529561..3ff258a10 100644
--- a/js/id/renderer/map.js
+++ b/js/id/renderer/map.js
@@ -341,8 +341,10 @@ iD.Map = function(context) {
     };
 
     map.zoomTo = function(entity, zoomLimits) {
-        var extent = entity.extent(context.graph()),
-            zoom = map.trimmedExtentZoom(extent);
+        var extent = entity.extent(context.graph());
+        if (!isFinite(extent.area())) return;
+
+        var zoom = map.trimmedExtentZoom(extent);
         zoomLimits = zoomLimits || [context.minEditableZoom(), 20];
         map.centerZoom(extent.center(), Math.min(Math.max(zoom, zoomLimits[0]), zoomLimits[1]));
     };