From 4eb386463938e1c0bf97ae8f4665174b7a70259f Mon Sep 17 00:00:00 2001
From: Adinata Thayib <adinata@pocketgems.com>
Date: Wed, 11 Jan 2017 20:11:43 -0800
Subject: [PATCH] Fix navigator doesn't get constrained although viewer have
 constrainDuringPan options on

---
 src/navigator.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/navigator.js b/src/navigator.js
index fe977d0c..f7d1abd9 100644
--- a/src/navigator.js
+++ b/src/navigator.js
@@ -405,6 +405,9 @@ function onCanvasDrag( event ) {
                 event.delta
             )
         );
+        if( this.viewer.constrainDuringPan ){
+            this.viewer.viewport.applyConstraints();
+        }
     }
 }