From f122ac87fb19589f5229e084b15ed0b00eaac33d Mon Sep 17 00:00:00 2001
From: Dave Chilson <dchilson@apple.com>
Date: Mon, 27 Mar 2017 20:20:07 -0500
Subject: [PATCH] scaleFactor calculation for gradient could cause divide by
 zero errors. Add 1 to dataLength instead of subtracting one.

---
 ColorManager.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ColorManager.js b/ColorManager.js
index ece9ac4..28e894e 100644
--- a/ColorManager.js
+++ b/ColorManager.js
@@ -73,7 +73,7 @@ var ColorManager = function(){
 
     if (colorInterpolation === 'gradient'){
       colorFunction = getGradientColor;
-      scaleFactor = (colors.length-1)/(dataLength -1);
+      scaleFactor = (colors.length-1)/(dataLength +1);
     } else {
       colorFunction = getIndexedColor;
       scaleFactor = (colors.length)/(dataLength+1);