JSP Funnel Charts with Custom Neck Height and Width

Download JSP Chart Samples 
<%@ page language="java" contentType="text/html; charset=UTF-8"	pageEncoding="UTF-8"%>
<%@ page import="java.util.*" %>
<%@ page import="com.google.gson.Gson"%>
<%@ page import="com.google.gson.JsonObject"%>

<%
Gson gsonObj = new Gson();
Map<Object,Object> map = null;
List<Map<Object,Object>> list = new ArrayList<Map<Object,Object>>();

map = new HashMap<Object,Object>(); map.put("label", "Leads"); map.put("y", 1400); list.add(map);
map = new HashMap<Object,Object>(); map.put("label", "Initial Communication"); map.put("y", 1212); list.add(map);
map = new HashMap<Object,Object>(); map.put("label", "Customer Evaluation"); map.put("y", 1080); list.add(map);
map = new HashMap<Object,Object>(); map.put("label", "Negotiation"); map.put("y", 665); list.add(map);
map = new HashMap<Object,Object>(); map.put("label", "Order Received"); map.put("y", 578); list.add(map);
map = new HashMap<Object,Object>(); map.put("label", "Payment"); map.put("y", 549); list.add(map);

String dataPoints = gsonObj.toJson(list);
%>

<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<script type="text/javascript">
window.onload = function() { 

var chart = new CanvasJS.Chart("chartContainer", {
	animationEnabled: true,
	theme: "light2", //"light1", "dark1", "dark2"
	title:{
		text: "Sales Analysis - 2017"
	},
	data: [{
		type: "funnel",
		toolTipContent: "<b>{label}</b>: {y} <b>({percentage}%)</b>",
		indexLabel: "{label} ({percentage}%)",
		neckHeight: 0,
		dataPoints : <%out.print(dataPoints);%>
	}]
});
calculatePercentage();
chart.render();

function calculatePercentage() {
	var dataPoint = chart.options.data[0].dataPoints;
	var total = dataPoint[0].y;
	for(var i = 0; i < dataPoint.length; i++) {
		if(i == 0) {
			chart.options.data[0].dataPoints[i].percentage = 100;
		} else {
			chart.options.data[0].dataPoints[i].percentage = ((dataPoint[i].y / total) * 100).toFixed(2);
		}
	}
}

}
</script>
</head>
<body>
<div id="chartContainer" style="height: 370px; width: 100%;"></div>
<script src="https://cdn.canvasjs.com/canvasjs.min.js"></script>
</body>
</html>