JSP Step Line Charts & Graphs

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("x", 0); map.put("y", 3); list.add(map);
map = new HashMap<Object,Object>(); map.put("x", 0.02); map.put("y", 4); list.add(map);
map = new HashMap<Object,Object>(); map.put("x", 0.06); map.put("y", 5); list.add(map);
map = new HashMap<Object,Object>(); map.put("x", 0.11); map.put("y", 6); list.add(map);
map = new HashMap<Object,Object>(); map.put("x", 0.17); map.put("y", 7); list.add(map);
map = new HashMap<Object,Object>(); map.put("x", 0.33); map.put("y", 6); list.add(map);
map = new HashMap<Object,Object>(); map.put("x", 0.4); map.put("y", 5); list.add(map);
map = new HashMap<Object,Object>(); map.put("x", 0.45); map.put("y", 4); list.add(map);
map = new HashMap<Object,Object>(); map.put("x", 0.5); map.put("y", 3); list.add(map);
map = new HashMap<Object,Object>(); map.put("x", 0.55); map.put("y", 2); list.add(map);
map = new HashMap<Object,Object>(); map.put("x", 0.6); map.put("y", 1); list.add(map);
map = new HashMap<Object,Object>(); map.put("x", 0.67); map.put("y", 0); list.add(map);
map = new HashMap<Object,Object>(); map.put("x", 0.83); map.put("y", 1); list.add(map);
map = new HashMap<Object,Object>(); map.put("x", 0.89); map.put("y", 2); list.add(map);
map = new HashMap<Object,Object>(); map.put("x", 0.93); map.put("y", 3); 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", {
	title: {
		text: "Output of 3 Bit  Analog to Digital Converter"
	},
	axisX: {
		title: "Timestamp (in ms)"
	},
	axisY: {
		title: "Quantized Levels",
		labelFormatter: function(e){
			return CanvasJS.formatNumber(parseInt(e.value, 10).toString(2), "000");
		},
		maximum: 7.1,
		interval: 1
	},
	toolTip: {
		contentFormatter: function (e){
			return "<b>" + e.entries[0].dataPoint.x + "ms</b>: " + CanvasJS.formatNumber(parseInt(e.entries[0].dataPoint.y, 10).toString(2), "000");
		}
	},
	data: [{
		type: "stepLine",
		dataPoints: <%out.print(dataPoints);%>
	}]
});
chart.render();

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