anychart.onDocumentReady(function () {
var chart = anychart.cartesian();
var series = chart.column([10, 20, 15, 30, 5]);
var renderingSettings = series.rendering();
renderingSettings.point(drawer);
chart.container("container");
var shapes = this.getShapesGroup(this.pointState);
var leftX = this.x - this.pointWidth / 2;
var rightX = leftX + this.pointWidth;
.moveTo(leftX, this.zero)
.lineTo(this.x, this.value)
.lineTo(rightX, this.zero)