jqwidgets-framework
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jQWidgets is an advanced Angular, Vue, Blazor, React, Web Components, jquery, ASP .NET MVC, Custom Elements and HTML5 UI framework.
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HTML
<html lang="en">
<head>
<title id='Description'>JavaScript Chart Color Bands on Polar Chart</title>
<meta name="description" content="This is an example of Javascript Chart Color Bands on Polar Chart." />
<link rel="stylesheet" href="../../../jqwidgets/styles/jqx.base.css" type="text/css" />
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
<meta name="viewport" content="width=device-width, initial-scale=1 maximum-scale=1 minimum-scale=1" />
<script type="text/javascript" src="../../../scripts/jquery-1.12.4.min.js"></script>
<script type="text/javascript" src="../../../jqwidgets/jqxcore.js"></script>
<script type="text/javascript" src="../../../jqwidgets/jqxdata.js"></script>
<script type="text/javascript" src="../../../jqwidgets/jqxdraw.js"></script>
<script type="text/javascript" src="../../../jqwidgets/jqxchart.core.js"></script>
<script type="text/javascript" src="../../../scripts/demos.js"></script>
<script type="text/javascript" src="../../../jqwidgets/jqxslider.js"></script>
<script type="text/javascript" src="../../../jqwidgets/jqxbuttons.js"></script>
<script type="text/javascript" src="../../../jqwidgets/jqxlistbox.js"></script>
<script type="text/javascript" src="../../../jqwidgets/jqxscrollbar.js"></script>
<script type="text/javascript" src="../../../jqwidgets/jqxdropdownlist.js"></script>
<script type="text/javascript" src="../../../scripts/demos.js"></script>
<script type="text/javascript">
$(document).ready(function () {
// prepare the data
var source =
{
datatype: "tab",
datafields: [
{ name: 'Year' },
{ name: 'HPI' },
{ name: 'BuildCost' },
{ name: 'Population' },
{ name: 'Rate' }
],
url: '../../sampledata/homeprices.txt'
};
var dataAdapter = new $.jqx.dataAdapter(source, { async: false, autoBind: true, loadError: function (xhr, status, error) { alert('Error loading "' + source.url + '" : ' + error); } });
var recessions =
[
{ from: 1969.91, to: 1970.83 },
{ from: 1973.83, to: 1975.25 },
{ from: 1980, to: 1980.58 },
{ from: 1981.58, to: 1982.83 },
{ from: 1990.58, to: 1991.25 },
{ from: 2001.25, to: 2001.83 },
{ from: 2007.91, to: 2009.5 }
];
var bands = [];
for (var i = 0; i < recessions.length; i++)
bands.push({ minValue: recessions[i].from, maxValue: recessions[i].to, fillColor: 'red', opacity: 0.2 });
// prepare jqxChart settings
var settings = {
title: "U.S. Real Home Price vs Building Cost Indeces (1950-2010)",
description: "Source: http://www.econ.yale.edu/~shiller/data.htm",
enableAnimations: true,
showLegend: true,
padding: { left: 5, top: 5, right: 5, bottom: 5 },
titlePadding: { left: 0, top: 0, right: 0, bottom: 5 },
source: dataAdapter,
xAxis:
{
dataField: 'Year',
unitInterval: 10,
maxValue: 2010,
valuesOnTicks: true,
labels: { autoRotate: true },
bands: bands
},
colorScheme: 'scheme01',
seriesGroups:
[
{
polar: true,
radius: 160,
type: 'spline',
enableSeriesToggle: false,
valueAxis:
{
labels: {
formatSettings: { decimalPlaces: 0 },
autoRotate: true
},
bands:
[
{ minValue: 50, maxValue: 130, color: '#00FF00', opacity: 0.2, dashStyle: '2,2', lineWidth: 1 },
{ minValue: 131, maxValue: 160, color: '#FCD537', opacity: 0.2, dashStyle: '2,2', lineWidth: 1 },
{ minValue: 161, maxValue: 200, color: '#FF0000', opacity: 0.2, dashStyle: '2,2', lineWidth: 1 }
]
},
series: [
{ dataField: 'HPI', displayText: 'Real Home Price Index', opacity: 0.9, lineWidth: 3 },
{ dataField: 'BuildCost', displayText: 'Building Cost Index', opacity: 0.9, lineWidth: 3 }
]
}
]
};
// create the chart
$('#chartContainer').jqxChart(settings);
// get the chart's instance
var chart = $('#chartContainer').jqxChart('getInstance');
// start angle slider
$('#sliderStartAngle').jqxSlider({ width: 240, min: 0, max: 360, step: 1, ticksFrequency: 20, mode: 'fixed' });
$('#sliderStartAngle').on('change', function (event) {
var value = event.args.value;
chart.seriesGroups[0].startAngle = value;
chart.seriesGroups[0].endAngle = value + 360;
chart.update();
});
// radius slider
$('#sliderRadius').jqxSlider({ width: 240, min: 80, max: 180, value: 160, step: 1, ticksFrequency: 20, mode: 'fixed' });
$('#sliderRadius').on('change', function (event) {
var value = event.args.value;
chart.seriesGroups[0].radius = value;
chart.update();
});
// color scheme drop down
var colorsSchemesList = ["scheme01", "scheme02", "scheme03", "scheme04", "scheme05", "scheme06", "scheme07", "scheme08"];
$("#dropDownColors").jqxDropDownList({ source: colorsSchemesList, selectedIndex: 2, width: '200', height: '25', dropDownHeight: 100 });
$('#dropDownColors').on('change', function (event) {
var value = event.args.item.value;
chart.colorScheme = value;
chart.update();
});
// series type drop down
var seriesList = ["splinearea", "spline", "column", "scatter", "stackedcolumn", "stackedsplinearea", "stackedspline"];
$("#dropDownSeries").jqxDropDownList({ source: seriesList, selectedIndex: 1, width: '200', height: '25', dropDownHeight: 100 });
$('#dropDownSeries').on('select', function (event) {
var args = event.args;
if (args) {
var value = args.item.value;
chart.seriesGroups[0].type = value;
chart.update();
}
});
});
</script>
</head>
<body class='default'>
<div id='chartContainer' style="width: 850px; height: 500px">
</div>
<table style="width: 850px">
<tr>
<td style="padding-left:50px">
<p style="font-family: Verdana; font-size: 12px;">Move the slider to rotate:
</p>
<div id='sliderStartAngle'>
</div>
</td>
<td>
<p style="font-family: Verdana; font-size: 12px;">Select the series type:
</p>
<div id='dropDownSeries'>
</div>
</td>
</tr>
<tr>
<td style="padding-left:50px">
<p style="font-family: Verdana; font-size: 12px;">Move the slider to change the radius:
</p>
<div id='sliderRadius'>
</div>
</td>
<td>
<p style="font-family: Verdana; font-size: 12px;">Select color scheme:
</p>
<div id='dropDownColors'>
</div>
</td>
</tr>
</table>
<div class="example-description">
<br />
<h2>Description</h2>
<br />
This is an example of Javascript Chart Color Bands on Polar Chart. You can see how to define the different colors with the bands setting.
</div>
<div style="position: absolute; bottom: 5px; right: 5px;">
<a href="https://www.jqwidgets.com/" alt="https://www.jqwidgets.com/"><img alt="https://www.jqwidgets.com/" title="https://www.jqwidgets.com/" src="https://www.jqwidgets.com/wp-content/design/i/logo-jqwidgets.png"/></a>
</div>
</body>
</html>