highcharts知识学习
1、3d饼图制作(示例地址:3D 饼图 | JShare)
//绑定方式与echarts类似
var chart = Highcharts.chart('container', { chart: { type: 'pie',
//是否开启3d效果 options3d: { enabled: true, alpha: 45, //图形倾斜角度 beta: 0 } }, title: { text: '2014年某网站不同浏览器访问量占比' }, //标题 如标题为空设置text:''即可 tooltip: { pointFormat: '{series.name}: <b>{point.percentage:.1f}%</b>' }, //提示框
//饼图配置项 plotOptions: { pie: { allowPointSelect: true, //是否开启点击功能 cursor: 'pointer', //指针类型 depth: 35, //饼图的厚度 dataLabels: { //设置数据标签 enabled: true, format: '{point.name}' } } }, series: [{ type: 'pie', name: '浏览器占比', 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] ] }] });
2、不同高度的3D饼图(示例地址:不同高度的 3D 饼图 | JShare)
//重写highchart实现过程
var each = Highcharts.each, round = Math.round, cos = Math.cos, sin = Math.sin, deg2rad = Math.deg2rad; Highcharts.wrap(Highcharts.seriesTypes.pie.prototype, 'translate', function(proceed) { proceed.apply(this, [].slice.call(arguments, 1)); // Do not do this if the chart is not 3D if (!this.chart.is3d()) { return; } var series = this, chart = series.chart, options = chart.options, seriesOptions = series.options, depth = seriesOptions.depth || 0, options3d = options.chart.options3d, alpha = options3d.alpha, beta = options3d.beta, z = seriesOptions.stacking ? (seriesOptions.stack || 0) * depth : series._i * depth; z += depth / 2; if (seriesOptions.grouping !== false) { z = 0; } each(series.data, function(point) { var shapeArgs = point.shapeArgs, angle; point.shapeType = 'arc3d'; var ran = point.options.h; shapeArgs.z = z; shapeArgs.depth = depth * 0.75 + ran; shapeArgs.alpha = alpha; shapeArgs.beta = beta; shapeArgs.center = series.center; shapeArgs.ran = ran; angle = (shapeArgs.end + shapeArgs.start) / 2; point.slicedTranslation = { translateX: round(cos(angle) * seriesOptions.slicedOffset * cos(alpha * deg2rad)), translateY: round(sin(angle) * seriesOptions.slicedOffset * cos(alpha * deg2rad)) }; }); }); (function(H) { H.wrap(Highcharts.SVGRenderer.prototype, 'arc3dPath', function(proceed) { // Run original proceed method var ret = proceed.apply(this, [].slice.call(arguments, 1)); ret.zTop = (ret.zOut + 0.5) / 100; return ret; }); }(Highcharts));
//初始化highcharts Highcharts.chart('container', { chart: { type: 'pie', animation: false, //关闭动画 events: { //点击事件 load: function() { var each = Highcharts.each, points = this.series[0].points; each(points, function(p, i) { p.graphic.attr({ translateY: -p.shapeArgs.ran }); p.graphic.side1.attr({ translateY: -p.shapeArgs.ran }); p.graphic.side2.attr({ translateY: -p.shapeArgs.ran }); }); } },
//开启3d效果 倾斜角度75 options3d: { enabled: true, alpha: 75, beta: 0 } },
//配置项 -- 大部分配置项都在此控制开关 plotOptions: { pie: { allowPointSelect: true, //允许点击 cursor: 'pointer', depth: 35, dataLabels: { enabled: false } } }, series: [{ type: 'pie', name: 'Browser share', data: [{ 'name': 'Firefox', y: 30.0, h: 50 }, { name: 'IE', y: 26.8, h: 15 }, { name: 'Chrome', y: 12.8, h: 20 }, { 'name': 'Safari', y: 8.5, h: 2 }, { 'name': 'Opera', y: 6.2, h: 15 }, { 'name': 'Others', y: 0.7, h: 30 }] //改造后的数据 }] });
//若在同一页面引用不规则3D饼图则其他3D饼图也会受到影响,可将数据改造成相同类型高度保持一致即可 -- [{name:'名称',y:'值',h:'饼图高度'}]