From f6e41a1cb8c02981e8d2a3b033fc1cd269137c09 Mon Sep 17 00:00:00 2001
From: Bryan Housel <bryan@mapbox.com>
Date: Sat, 21 Jul 2018 18:52:54 -0400
Subject: [PATCH] Remove unused zoomDelta parameter

---
 modules/util/tiler.js | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/modules/util/tiler.js b/modules/util/tiler.js
index 27bb17759..d66e29933 100644
--- a/modules/util/tiler.js
+++ b/modules/util/tiler.js
@@ -7,7 +7,6 @@ export function utilTiler() {
     var _scale = 256;
     var _scaleExtent = [0, 20];
     var _translate = [_size[0] / 2, _size[1] / 2];
-    var _zoomDelta = 0;
     var _margin = 0;
     var _skipNullIsland = false;
 
@@ -34,7 +33,7 @@ export function utilTiler() {
 
     function tiler() {
         var z = Math.max(Math.log(_scale) / Math.LN2 - 8, 0);
-        var z0 = bound(Math.round(z + _zoomDelta));
+        var z0 = bound(Math.round(z));
         var k = Math.pow(2, z - z0 + 8);
         var origin = [
             (_translate[0] - _scale / 2) / k,
@@ -139,12 +138,6 @@ export function utilTiler() {
     };
 
 
-    tiler.zoomDelta = function(val) {
-        if (!arguments.length) return _zoomDelta;
-        _zoomDelta = +val;
-        return tiler;
-    };
-
     // number to extend the rows/columns beyond those covering the viewport
     tiler.margin = function(val) {
         if (!arguments.length) return _margin;