From 6707063a53629a9a57439ee1c03bd3ac01867710 Mon Sep 17 00:00:00 2001
From: Martin Raifer <tyr.asd@gmail.com>
Date: Wed, 26 Aug 2015 09:47:07 +0200
Subject: [PATCH] don't try to label if centroid is undefined

updates fix from 09642b1e to updated d3 path.centroid return value structure (see https://github.com/mbostock/d3/commit/492215ad42e4b23bb713c012c449fa262007ec88#diff-fa5fbee10216651a004363cf56fb3602L43)

fixes #2757
refs #1180
---
 js/id/svg/labels.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/js/id/svg/labels.js b/js/id/svg/labels.js
index a76a96afd..b5e1cce05 100644
--- a/js/id/svg/labels.js
+++ b/js/id/svg/labels.js
@@ -371,7 +371,7 @@ iD.svg.Labels = function(projection, context) {
                 entitywidth = projection(extent[1])[0] - projection(extent[0])[0],
                 rect;
 
-            if (!centroid || entitywidth < 20) return;
+            if (isNaN(centroid[0]) || entitywidth < 20) return;
 
             var iconX = centroid[0] - (iconSize/2),
                 iconY = centroid[1] - (iconSize/2),