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74 lines
2.3 KiB
74 lines
2.3 KiB
1 year ago
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<title>amCharts examples</title>
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<link rel="stylesheet" href="style.css" type="text/css">
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<script src="../amcharts/amcharts.js" type="text/javascript"></script>
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<script src="../amcharts/gauge.js" type="text/javascript"></script>
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<script>
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var chart;
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var arrow;
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var axis;
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AmCharts.ready(function () {
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// create angular gauge
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chart = new AmCharts.AmAngularGauge();
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chart.addTitle("Speedometer");
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// create axis
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axis = new AmCharts.GaugeAxis();
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axis.startValue = 0;
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axis.axisThickness = 1;
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axis.valueInterval = 10;
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axis.endValue = 220;
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// color bands
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var band1 = new AmCharts.GaugeBand();
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band1.startValue = 0;
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band1.endValue = 90;
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band1.color = "#00CC00";
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var band2 = new AmCharts.GaugeBand();
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band2.startValue = 90;
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band2.endValue = 130;
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band2.color = "#ffac29";
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var band3 = new AmCharts.GaugeBand();
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band3.startValue = 130;
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band3.endValue = 220;
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band3.color = "#ea3838";
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band3.innerRadius = "95%";
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axis.bands = [band1, band2, band3];
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// bottom text
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axis.bottomTextYOffset = -20;
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axis.setBottomText("0 km/h");
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chart.addAxis(axis);
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// gauge arrow
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arrow = new AmCharts.GaugeArrow();
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chart.addArrow(arrow);
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chart.write("chartdiv");
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// change value every 2 seconds
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setInterval(randomValue, 2000);
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});
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// set random value
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function randomValue() {
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var value = Math.round(Math.random() * 200);
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arrow.setValue(value);
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axis.setBottomText(value + " km/h");
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}
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</script>
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</head>
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<body>
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<div id="chartdiv" style="width:500px; height:400px;"></div>
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</body>
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</html>
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