From 7e997af9b8391e7189b9eac023cbdea60ff758d6 Mon Sep 17 00:00:00 2001
From: Ansis Brammanis <ansis.brammanis@gmail.com>
Date: Mon, 4 Feb 2013 17:24:00 -0500
Subject: [PATCH] Hide midpoints when vertices hidden

---
 js/id/svg/midpoints.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/js/id/svg/midpoints.js b/js/id/svg/midpoints.js
index 935f84719..c59ef0bca 100644
--- a/js/id/svg/midpoints.js
+++ b/js/id/svg/midpoints.js
@@ -2,6 +2,10 @@ iD.svg.Midpoints = function(projection) {
     return function drawMidpoints(surface, graph, entities, filter) {
         var midpoints = {};
 
+        if (!surface.select('.layer-hit').select('g.vertex').node()) {
+            return surface.select('.layer-hit').selectAll('g.midpoint').remove();
+        }
+
         for (var i = 0; i < entities.length; i++) {
             if (entities[i].type !== 'way') continue;