}
this.annotated_points = [];
+
+ // Exit the function early if there are no annotations.
+ if (!this.annotations || !this.annotations.length) {
+ return;
+ }
+
+ // TODO(antrob): loop through annotations not points.
for (var i = 0; i < this.points.length; i++) {
var p = this.points[i];
var k = p.xval + "," + p.name;