From 03e43998eb0cec7831fc520e5557d823b289ea76 Mon Sep 17 00:00:00 2001
From: Ian Gilman <ian@iangilman.com>
Date: Mon, 15 May 2017 10:51:17 -0700
Subject: [PATCH] Fixed problem with subsequent zooms not loading tiles

---
 src/tiledimage.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/tiledimage.js b/src/tiledimage.js
index 3914b206..42b15d99 100644
--- a/src/tiledimage.js
+++ b/src/tiledimage.js
@@ -925,6 +925,7 @@ $.extend($.TiledImage.prototype, $.EventSource.prototype, /** @lends OpenSeadrag
     _updateViewport: function() {
         this._needsDraw = false;
         this._tilesLoading = 0;
+        this.loadingCoverage = {};
 
         // Reset tile's internal drawn state
         while (this.lastDrawn.length > 0) {