initializing the graph in a DOM node

[tech-radar.git] / src / graphing / radar.js

diff --git a/src/graphing/radar.js b/src/graphing/radar.js
index dd3abe0..e588663 100644 (file)
--- a/src/graphing/radar.js
+++ b/src/graphing/radar.js
@@ -1,11 +1,12 @@
 tr.graphing.Radar = function (size, radar) {
   var self, fib, svg;
 
-  svg = d3.select("body").append("svg");
   fib = new tr.util.Fib();
 
   self = {};
-  self.svg = svg;
+  self.svg = function () {
+    return svg;
+  }
 
   function center () {
     return Math.round(size/2);
@@ -155,6 +156,11 @@ tr.graphing.Radar = function (size, radar) {
     plotName(quadrants.IV.name(), 'end', size -10, size - 10)
   }
 
+  self.init = function (selector) {
+    svg = d3.select(selector || 'body').append("svg");
+    return self;
+  };
+
   self.plot = function () {
     var cycles, quadrants;