From 4d40e8f50bc9f344e629e201f1771170b65076d6 Mon Sep 17 00:00:00 2001
From: Bryan Housel <bryan@7thposition.com>
Date: Fri, 25 Jul 2014 11:59:33 -0400
Subject: [PATCH] When adding gpx, only rezoom map if gpx not in viewport
 (closes #2297)

---
 js/id/renderer/background.js | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/js/id/renderer/background.js b/js/id/renderer/background.js
index 5432f85e8..291248a82 100644
--- a/js/id/renderer/background.js
+++ b/js/id/renderer/background.js
@@ -149,8 +149,11 @@ iD.Background = function(context) {
 
     background.zoomToGpxLayer = function() {
         if (background.hasGpxLayer()) {
-            context.map()
-                .extent(d3.geo.bounds(gpxLayer.geojson()));
+            var gpx = d3.geo.bounds(gpxLayer.geojson());
+
+            if (!context.map().extent().intersects(gpx)) {
+                context.map().extent(gpx);
+            }
         }
     };