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93 lines
2.3 KiB
93 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 sArrow;
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var mArrow;
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var hArrow;
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AmCharts.ready(function () {
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// clock is just an angular gauge with three arrows
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chart = new AmCharts.AmAngularGauge();
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chart.startDuration = 0.3;
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// for simplicyty, we use only one axis
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var axis = new AmCharts.GaugeAxis();
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axis.startValue = 0;
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axis.endValue = 12;
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axis.valueInterval = 1;
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axis.minorTickInterval = 0.2;
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axis.showFirstLabel = false;
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axis.startAngle = 0;
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axis.endAngle = 360;
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axis.axisAlpha = 0.3;
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chart.addAxis(axis);
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// hour arrow
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hArrow = new AmCharts.GaugeArrow();
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hArrow.radius = "50%";
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hArrow.clockWiseOnly = true;
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// minutes arrow
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mArrow = new AmCharts.GaugeArrow();
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mArrow.radius = "80%";
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mArrow.startWidth = 6;
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mArrow.nailRadius = 0;
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mArrow.clockWiseOnly = true;
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// seconds arrow
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sArrow = new AmCharts.GaugeArrow();
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sArrow.radius = "90%";
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sArrow.startWidth = 3;
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sArrow.nailRadius = 4;
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sArrow.color = "#CC0000";
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sArrow.clockWiseOnly = true;
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// update clock before adding arrows to avoid initial animation
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updateClock();
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// add arrows
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chart.addArrow(hArrow);
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chart.addArrow(mArrow);
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chart.addArrow(sArrow);
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chart.write("chartdiv");
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// update each second
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setInterval(updateClock, 1000);
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});
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// update clock
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function updateClock() {
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// get current date
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var date = new Date();
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var hours = date.getHours();
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var minutes = date.getMinutes();
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var seconds = date.getSeconds();
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// set hours
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hArrow.setValue(hours + minutes / 60);
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// set minutes
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mArrow.setValue(12 * (minutes + seconds / 60) / 60);
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// set seconds
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sArrow.setValue(12 * date.getSeconds() / 60);
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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:300px; height:250px;"></div>
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</body>
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</html>
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