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samples/lineWithTrendLines.html 6.67 KB
aaa287d94   Jeff Chen   NN
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  <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
  <html>
      
      <head>
          <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
          <title>amCharts examples</title>
          <link rel="stylesheet" href="style.css" type="text/css">
          <script src="../amcharts/amcharts.js" type="text/javascript"></script>
          <script src="../amcharts/serial.js" type="text/javascript"></script>
          
          <script type="text/javascript">
              var chart;
  
              var chartData = [
                  {
                      "date": "2012-01-01",
                      "value": 8
                  },
                  {
                      "date": "2012-01-01",
                      "value": 8
                  },
                  {
                      "date": "2012-01-02",
                      "value": 10
                  },
                  {
                      "date": "2012-01-03",
                      "value": 12
                  },
                  {
                      "date": "2012-01-04",
                      "value": 14
                  },
                  {
                      "date": "2012-01-05",
                      "value": 11
                  },
                  {
                      "date": "2012-01-06",
                      "value": 6
                  },
                  {
                      "date": "2012-01-07",
                      "value": 7
                  },
                  {
                      "date": "2012-01-08",
                      "value": 9
                  },
                  {
                      "date": "2012-01-09",
                      "value": 13
                  },
                  {
                      "date": "2012-01-10",
                      "value": 15
                  },
                  {
                      "date": "2012-01-11",
                      "value": 19
                  },
                  {
                      "date": "2012-01-12",
                      "value": 21
                  },
                  {
                      "date": "2012-01-13",
                      "value": 22
                  },
                  {
                      "date": "2012-01-14",
                      "value": 20
                  },
                  {
                      "date": "2012-01-15",
                      "value": 18
                  },
                  {
                      "date": "2012-01-16",
                      "value": 14
                  },
                  {
                      "date": "2012-01-17",
                      "value": 16
                  },
                  {
                      "date": "2012-01-18",
                      "value": 18
                  },
                  {
                      "date": "2012-01-19",
                      "value": 17
                  },
                  {
                      "date": "2012-01-20",
                      "value": 15
                  },
                  {
                      "date": "2012-01-21",
                      "value": 12
                  },
                  {
                      "date": "2012-01-22",
                      "value": 10
                  },
                  {
                      "date": "2012-01-23",
                      "value": 8
                  }
              ];
       
       
              AmCharts.ready(function () {
                  // SERIAL CHART        
                  chart = new AmCharts.AmSerialChart();
                  chart.pathToImages = "../amcharts/images/";
                  chart.dataProvider = chartData;
                  chart.dataDateFormat = "YYYY-MM-DD";
                  chart.categoryField = "date";
       
       
                  // AXES
                  // category
                  var categoryAxis = chart.categoryAxis;
                  categoryAxis.parseDates = true; // as our data is date-based, we set parseDates to true
                  categoryAxis.minPeriod = "DD"; // our data is daily, so we set minPeriod to DD				 
                  categoryAxis.gridAlpha = 0.1;
                  categoryAxis.minorGridAlpha = 0.1;
                  categoryAxis.axisAlpha = 0;
                  categoryAxis.minorGridEnabled = true;
                  categoryAxis.inside = true;
       
                  // value
                  var valueAxis = new AmCharts.ValueAxis();
                  valueAxis.tickLength = 0;
                  valueAxis.axisAlpha = 0;
                  valueAxis.showFirstLabel = false;
                  valueAxis.showLastLabel = false;
                  chart.addValueAxis(valueAxis);
       
                  // GRAPH
                  var graph = new AmCharts.AmGraph();
                  graph.dashLength = 3;
                  graph.lineColor = "#00CC00";
                  graph.valueField = "value";
                  graph.dashLength = 3;
                  graph.bullet = "round";
                  graph.balloonText = "[[category]]<br><b><span style='font-size:14px;'>value:[[value]]</span></b>";
                  chart.addGraph(graph);
       
                  // CURSOR
                  var chartCursor = new AmCharts.ChartCursor();
                  chart.addChartCursor(chartCursor);
       
                  // SCROLLBAR
                  var chartScrollbar = new AmCharts.ChartScrollbar();
                  chart.addChartScrollbar(chartScrollbar);
       
                  // HORIZONTAL GREEN RANGE
                  var guide = new AmCharts.Guide();
                  guide.value = 10;
                  guide.toValue = 20;
                  guide.fillColor = "#00CC00";
                  guide.inside = true;
                  guide.fillAlpha = 0.2;
                  guide.lineAlpha = 0;
                  valueAxis.addGuide(guide);
       
                  // TREND LINES
                  // first trend line
                  var trendLine = new AmCharts.TrendLine();
                  // note,when creating date objects 0 month is January, as months are zero based in JavaScript.
                  trendLine.initialDate = new Date(2012, 0, 2, 12); // 12 is hour - to start trend line in the middle of the day
                  trendLine.finalDate = new Date(2012, 0, 11, 12);
                  trendLine.initialValue = 10;
                  trendLine.finalValue = 19;
                  trendLine.lineColor = "#CC0000";
                  chart.addTrendLine(trendLine);
       
                  // second trend line
                  trendLine = new AmCharts.TrendLine();
                  trendLine.initialDate = new Date(2012, 0, 17, 12);
                  trendLine.finalDate = new Date(2012, 0, 22, 12);
                  trendLine.initialValue = 16;
                  trendLine.finalValue = 10;
                  trendLine.lineColor = "#CC0000";
                  chart.addTrendLine(trendLine);
       
                  // WRITE
                  chart.write("chartdiv");
              });
          </script>
      </head>
      
      <body>
          <div id="chartdiv" style="width: 100%; height: 400px;"></div>
      </body>
  
  </html>