Clean up elements before plotting new region

drio · drio · commit ac050f0d0f57 · 2014-03-27T13:48:50.000-04:00
diff --git a/index.html b/index.html
@@ -11,7 +11,7 @@
 <link rel="stylesheet" type=text/css href="css/viz.css">
 
 <body id="demo">
-  <div id="header"> </div>
+  <div id="header"></div>
   <div id="plots"></div>
 </body>
 
diff --git a/js/viz.js b/js/viz.js
@@ -14,6 +14,9 @@ bb.viz = function(data) {
                    .chrm(chrm)
                    .step(2);
 
+    plots.selectAll().remove();
+    d3.select(".current-region").remove();
+
     main.append("div")
         .attr("class", "current-region")
         .text(chrm + ":" + start + "-" + stop);
