From: Tom Hughes <tom@compton.nu>
Date: Wed, 3 Oct 2018 21:39:17 +0000 (+0100)
Subject: Merge remote-tracking branch 'upstream/pull/2010'
X-Git-Tag: live~2822
X-Git-Url: https://git.openstreetmap.org/rails.git/commitdiff_plain/25f27a753f6a79bc1ae494e42cf03b9880d0bdcd?hp=76b18775eae4971abbb6fc5a30e256d191d5dfa2

Merge remote-tracking branch 'upstream/pull/2010'
---

diff --git a/app/assets/javascripts/index/history.js b/app/assets/javascripts/index/history.js
index d54928eb8..30d33c657 100644
--- a/app/assets/javascripts/index/history.js
+++ b/app/assets/javascripts/index/history.js
@@ -97,9 +97,26 @@ OSM.History = function(map) {
     $("[data-changeset]").each(function () {
       var changeset = $(this).data('changeset');
       if (changeset.bbox) {
+        var latWidth = changeset.bbox.maxlat - changeset.bbox.minlat;
+        var lonWidth = changeset.bbox.maxlon - changeset.bbox.minlon;
+        var minLatWidth = 0.0004;
+        var minLonWidth = 0.0008;
+
+        var bounds = [[changeset.bbox.minlat, changeset.bbox.minlon],
+          [changeset.bbox.maxlat, changeset.bbox.maxlon]];
+
+        if (latWidth < minLatWidth) {
+          bounds[0][0] -= ((minLatWidth - latWidth) / 2);
+          bounds[1][0] += ((minLatWidth - latWidth) / 2);
+        }
+
+        if (lonWidth < minLonWidth) {
+          bounds[0][1] -= ((minLonWidth - lonWidth) / 2);
+          bounds[1][1] += ((minLonWidth - lonWidth) / 2);
+        }
+
         changeset.bounds = L.latLngBounds(
-          [changeset.bbox.minlat, changeset.bbox.minlon],
-          [changeset.bbox.maxlat, changeset.bbox.maxlon]);
+          bounds);
         changesets.push(changeset);
       }
     });