Scatter Logarithmic Axis
Documentation
In this demo, a logarithmic axis is used to visualize a set of rapidly-growing values.
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window.onload = function() {
var viewModel = {
chartOptions: {
dataSource: dataSource,
commonPaneSettings: {
border: {
visible: true
}
},
commonAxisSettings: {
grid: {
visible: true
}
},
series: {
type: "scatter",
valueField: "mass",
argumentField: "name",
tagField: "type",
point: {
size: 20
}
},
customizePoint: function () {
var color, hoverStyle;
switch (this.tag) {
case "Star":
color = "red";
hoverStyle = { border: { color: "red" } };
break;
case "Satellite":
color = "gray";
hoverStyle = { border: { color: "gray" } };
}
return { color: color, hoverStyle: hoverStyle };
},
"export": {
enabled: true
},
argumentAxis: {
label: {
rotationAngle: 20,
overlappingBehavior: "rotate"
}
},
valueAxis: {
type: "logarithmic",
title: "Mass Relative to the Earth"
},
title: "Relative Masses of the Heaviest Solar System Objects",
legend: {
visible: false
},
tooltip: {
enabled: true
}
}
};
ko.applyBindings(viewModel, document.getElementById("chart-demo"));
};
<!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/3.1.0/jquery.min.js"></script>
<script>window.jQuery || document.write(decodeURIComponent('%3Cscript src="js/jquery.min.js"%3E%3C/script%3E'))</script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/knockout/3.4.2/knockout-min.js"></script>
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/18.2.7/css/dx.common.css" />
<link rel="dx-theme" data-theme="generic.light" href="https://cdn3.devexpress.com/jslib/18.2.7/css/dx.light.css" />
<script src="https://cdn3.devexpress.com/jslib/18.2.7/js/dx.all.js"></script>
<script src="data.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-demo">
<div id="chart" data-bind="dxChart: chartOptions"></div>
</div>
</div>
</body>
</html>
#chart {
height: 440px;
width: 100%;
}
var dataSource = [{
name: "Sun",
mass: 332837,
type: 'Star'
}, {
name: "Jupiter",
mass: 317.83,
type: 'Planet'
}, {
name: "Saturn",
mass: 95.159,
type: 'Planet'
}, {
name: "Uranus",
mass: 14.536,
type: 'Planet'
}, {
name: "Neptune",
mass: 17.147,
type: 'Planet'
}, {
name: "Earth",
mass: 1,
type: 'Planet'
}, {
name: "Venus",
mass: 0.815,
type: "Planet"
}, {
name: "Mars",
mass: 0.107,
type: 'Planet'
}, {
name: "Mercury",
mass: 0.0553,
type: 'Planet'
}, {
name: "Moon",
mass: 0.0123,
type: 'Satellite'
}, {
name: "Europa (Jupiter's Moon)",
mass: 0.00803,
type: 'Satellite'
}];