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103 lines
4.0 KiB
103 lines
4.0 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/serial.js" type="text/javascript"></script>
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<script>
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var chart;
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var chartData = [];
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AmCharts.ready(function () {
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// first we generate some random data
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generateChartData();
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// SERIAL CHART
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chart = new AmCharts.AmSerialChart();
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chart.dataProvider = chartData;
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chart.categoryField = "date";
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// data updated event will be fired when chart is first displayed,
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// also when data will be updated. We'll use it to set some
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// initial zoom
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chart.addListener("dataUpdated", zoomChart);
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// AXES
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// Category
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var categoryAxis = chart.categoryAxis;
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categoryAxis.parseDates = true; // in order char to understand dates, we should set parseDates to true
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categoryAxis.minPeriod = "mm"; // as we have data with minute interval, we have to set "mm" here.
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categoryAxis.gridAlpha = 0.07;
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categoryAxis.axisColor = "#DADADA";
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// Value
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var valueAxis = new AmCharts.ValueAxis();
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valueAxis.gridAlpha = 0.07;
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valueAxis.title = "Unique visitors";
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chart.addValueAxis(valueAxis);
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// GRAPH
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var graph = new AmCharts.AmGraph();
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graph.type = "line"; // try to change it to "column"
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graph.title = "red line";
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graph.valueField = "visits";
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graph.lineAlpha = 1;
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graph.lineColor = "#d1cf2a";
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graph.fillAlphas = 0.3; // setting fillAlphas to > 0 value makes it area graph
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chart.addGraph(graph);
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// CURSOR
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var chartCursor = new AmCharts.ChartCursor();
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chartCursor.cursorPosition = "mouse";
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chartCursor.categoryBalloonDateFormat = "JJ:NN, DD MMMM";
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chart.addChartCursor(chartCursor);
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// SCROLLBAR
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var chartScrollbar = new AmCharts.ChartScrollbar();
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chart.addChartScrollbar(chartScrollbar);
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// WRITE
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chart.write("chartdiv");
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});
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// generate some random data, quite different range
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function generateChartData() {
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// current date
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var firstDate = new Date();
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// now set 1000 minutes back
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firstDate.setMinutes(firstDate.getDate() - 1000);
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// and generate 1000 data items
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for (var i = 0; i < 1000; i++) {
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var newDate = new Date(firstDate);
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// each time we add one minute
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newDate.setMinutes(newDate.getMinutes() + i);
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// some random number
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var visits = Math.round(Math.random() * 40) + 10;
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// add data item to the array
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chartData.push({
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date: newDate,
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visits: visits
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});
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}
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}
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// this method is called when chart is first inited as we listen for "dataUpdated" event
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function zoomChart() {
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// different zoom methods can be used - zoomToIndexes, zoomToDates, zoomToCategoryValues
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chart.zoomToIndexes(chartData.length - 40, chartData.length - 1);
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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:100%; height:400px;"></div>
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</body>
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</html>
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