From dd951a9b35b59b719b8c34bd3bf1ea4c9a459bd9 Mon Sep 17 00:00:00 2001
From: john gravois <jgravois@esri.com>
Date: Fri, 29 Jun 2018 09:20:05 -0700
Subject: [PATCH] use 22 as maxZoom for Esri imagery (selectively)

---
 modules/renderer/background_source.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/renderer/background_source.js b/modules/renderer/background_source.js
index 074796972..fb2bd047d 100644
--- a/modules/renderer/background_source.js
+++ b/modules/renderer/background_source.js
@@ -338,7 +338,7 @@ rendererBackgroundSource.Esri = function(data) {
             }
 
             // if any tiles are missing at level 20 we restrict maxZoom to 19
-            esri.scaleExtent[1] = (hasTiles ? 20 : 19);
+            esri.scaleExtent[1] = (hasTiles ? 22 : 19);
         });
     };