From dd8aa14fe32670db51bf262e962937fd56e0e719 Mon Sep 17 00:00:00 2001
From: Matt Huntington <matt.huntington@gmail.com>
Date: Mon, 2 Oct 2017 23:36:50 -0400
Subject: [PATCH] colorScale with range/domain

---
 index.js | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/index.js b/index.js
index 8c336b3..52d8876 100644
--- a/index.js
+++ b/index.js
@@ -10,7 +10,11 @@ var dataset = [
 
 var radius = Math.min(WIDTH, HEIGHT) / 2;
 
-var color = d3.scaleOrdinal(d3.schemeCategory10);
+var colorScale = d3.scaleOrdinal();
+colorScale.range(d3.schemeCategory10);
+colorScale.domain(dataset.map(function(element){
+    return element.label;
+}));
 
 d3.select('svg')
     .attr('width', WIDTH)
@@ -33,5 +37,5 @@ var path = container.selectAll('path')
     .append('path')
     .attr('d', arc)
     .attr('fill', function(d) {
-        return color(d.data.label);
+        return colorScale(d.data.label);
     });