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Highcharts Pie in bianco e nero

Highcharts Pie Highcharts Pie

L'esempio seguente mostra la torta in bianco e nero.

Nella sezione precedente che già conosciamo Highcharts sintassi di configurazione di base. Diamo un'occhiata ad altre configurazioni.

configurazione

configurazione colori

Utilizzare Highcharts.getOptions (). PlotOptions.pie.colors proprietà per configurare il colore di ogni torta. 

// 设置单色并为所有饼设置默认主题
Highcharts.getOptions().plotOptions.pie.colors = (function () {
   var colors = [];
   var base = Highcharts.getOptions().colors[0];
   var i;

   for (i = 0; i < 10; i += 1) {
      // 以一暗色开始并以亮色结束
      colors.push(Highcharts.Color(base).brighten((i - 3) / 7).get());
   }
   return colors;
}());

Esempi

Nome file: highcharts_pie_monochrome.htm 

<html>
<head>
<meta charset="UTF-8" />
<title>Highcharts 教程 | 本教程(w3big.com)</title>
<script src="http://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script>
<script src="http://code.highcharts.com/highcharts.js"></script>
</head>
<body>
<div id="container" style="width: 550px; height: 400px; margin: 0 auto"></div>
<script language="JavaScript">
$(document).ready(function() {  
   var chart = {
       plotBackgroundColor: null,
       plotBorderWidth: null,
       plotShadow: false
   };
   var title = {
      text: 'Browser market shares at a specific website, 2014'   
   };      
   var tooltip = {
      pointFormat: '{series.name}: <b>{point.percentage:.1f}%</b>'
   };
   var plotOptions = {
      pie: {
         allowPointSelect: true,
         cursor: 'pointer',
         dataLabels: {
            enabled: true,
            format: '<b>{point.name}%</b>: {point.percentage:.1f} %',
            style: {
               color: (Highcharts.theme && Highcharts.theme.contrastTextColor) || 'black'
            }
         }
      }
   };
   var series= [{
      type: 'pie',
      name: 'Browser share',
      data: [
         ['Firefox',   45.0],
         ['IE',       26.8],
         {
            name: 'Chrome',
            y: 12.8,
            sliced: true,
            selected: true
         },
         ['Safari',    8.5],
         ['Opera',     6.2],
         ['Others',   0.7]
      ]
   }];     
   // Make monochrome colors and set them as default for all pies
   Highcharts.getOptions().plotOptions.pie.colors = (function () {
      var colors = [];
      var base = Highcharts.getOptions().colors[0];
      var i;

      for (i = 0; i < 10; i += 1) {
         // Start out with a darkened base color (negative brighten), and end
         // up with a much brighter color
         colors.push(Highcharts.Color(base).brighten((i - 3) / 7).get());
      }
      return colors;
   }());
	  
   var json = {};   
   json.chart = chart; 
   json.title = title;     
   json.tooltip = tooltip;  
   json.series = series;
   json.plotOptions = plotOptions;
   $('#container').highcharts(json);  
});
</script>
</body>
</html>

L'output sopra esempio è:

Highcharts Pie Highcharts Pie