$(function(){
var dataSource = generateDataSource();
$("#chart").dxChart({
dataSource: dataSource,
commonSeriesSettings: {
type: "scatter"
},
series: [{
argumentField: "x1",
valueField: "y1"
}, {
argumentField: "x2",
valueField: "y2",
point: {
symbol: "triangleDown"
}
}],
argumentAxis:{
grid:{
visible: true
},
tickInterval: 5,
minorGrid: {
visible: true
}
},
valueAxis: {
tickInterval: 50
},
legend: {
visible: false
},
commonPaneSettings: {
border:{
visible: true
}
}
});
function generateDataSource() {
var b1 = random(-100, 100) / 10,
b2 = random(-100, 100) / 10,
k1 = random(-100, 100) / 10,
k2 = random(-100, 100) / 10,
deviation1,
deviation2,
ds = [],
i,
x1,
x2,
y1,
y2,
isNegativeDelta,
delta1,
delta2;
if (k1 < 0.1 && k1 >= 0) { k1 = 0.1; }
if (k1 > -0.1 && k1 < 0) { k1 = -0.1; }
if (k2 < 0.1 && k2 >= 0) { k2 = 0.1; }
if (k2 > -0.1 && k2 < 0) { k2 = -0.1; }
deviation1 = Math.abs(k1 * 8);
deviation2 = Math.abs(k2 * 8);
for (i = 0; i < 30; i++) {
x1 = random(1, 20);
x2 = random(1, 20);
isNegativeDelta = random(0, 1) === 0;
delta1 = deviation1 * Math.random();
delta2 = deviation2 * Math.random();
if (isNegativeDelta) {
delta1 = -delta1;
delta2 = -delta2;
}
y1 = k1 * x1 + b1 + delta1;
y2 = k2 * x2 + b2 + delta2;
ds.push({x1: x1, y1: y1, x2: x2, y2: y2});
}
return ds;
}
function random(min, max) {
return Math.floor(Math.random() * (max - min + 1)) + min;
}
});
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>DevExtreme Demo</title>
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0" />
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
<script>window.jQuery || document.write(decodeURIComponent('%3Cscript src="js/jquery.min.js"%3E%3C/script%3E'))</script>
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/19.2.4/css/dx.common.css" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/19.2.4/css/dx.light.css" />
<script src="https://cdn3.devexpress.com/jslib/19.2.4/js/dx.all.js"></script>
<link rel="stylesheet" type="text/css" href="styles.css" />
<script src="index.js"></script>
</head>
<body class="dx-viewport">
<div class="demo-container">
<div id="chart"></div>
</div>
</body>
</html>
#chart {
height: 440px;
}