Highcharts - 以编程方式“翻转” (反向)Y轴 [英] Highcharts - programmatically "flip" (reverse) Y Axis

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问题描述

所有,

我正在使用Highcharts在我正在开发的网络应用程序中。其中一个要求是用户应该能够点击一个按钮并翻转或反转Y轴。换句话说,当用户点击一个按钮时, y轴的值应该从下面的值翻转:

pre $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ c>

 在底部最高

当您第一次创建图表时 - 可以使用reversed属性y轴:

http:// api.highcharts.com/highcharts#yAxis.reversed



示例: http://jsfiddle.net/ZgVNS/ 然而,如果我尝试使用options对象以编程方式使用JavaScript(例如,在一个按钮点击),它似乎不工作:

  chart.options.yAxis.reversed = !chart.options.yAxis.reversed; 
chart.redraw();

这是我设置测试的jsfiddle: http://jsfiddle.net/4JZxS/6/



这可能吗?



您可以使用Axis.update()函数来解决这个问题。 方法:

  $(function(){
var chart = new Highcharts.Chart({
chart :{
renderTo:'container'
},
xAxis:{
categories:['Jan','Feb','Mar','Apr','May' ,'Jun','Jul','Aug','Sep','Oct','Nov','Dec']
},
y轴:{
颠倒:false
},
系列:[{
数据:[29.9,71.5,106.4,129.2,144.0,176.0,135.6,148.5,216.4,194.1,95.6,54.4]
}]
));

var reversed = chart.options.yAxis.reversed;

// the按钮(函数(){

chart.yAxis [0] .update({
颠倒:!颠倒
});

reverse =!reversed;
});
});

以下是更新后的JSFiddle:http://jsfiddle.net/4JZxS/15/


All,

I'm using Highcharts in a web app I'm working on. One of the requirements is that users should be able to click a button and "flip" or reverse the Y axis.

In other words - when the user clicks a button - the y Axis values should flip from:

highest at the top / lowest at the bottom

to

lowest at the top / highest at the bottom

When you first create the chart - this is possible using the "reversed" property of the y Axis:

http://api.highcharts.com/highcharts#yAxis.reversed

Example here: http://jsfiddle.net/ZgVNS/

However - if I attempt to do this programmatically with JavaScript using the options object (e.g., on a button click), it doesn't seem to work:

chart.options.yAxis.reversed = !chart.options.yAxis.reversed;
chart.redraw();

Here's a jsfiddle I set up to test: http://jsfiddle.net/4JZxS/6/

Is this possible?

Thanks in advance!

解决方案

You can use the Axis.update() method:

$(function () {
    var chart = new Highcharts.Chart({
        chart: {
            renderTo: 'container'
        },
        xAxis: {
            categories: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']
        },
        yAxis: {
            reversed: false
        },
        series: [{
            data: [29.9, 71.5, 106.4, 129.2, 144.0, 176.0, 135.6, 148.5, 216.4, 194.1, 95.6, 54.4]
        }]
   });

   var reversed = chart.options.yAxis.reversed;

   // the button action
   $('#button').click(function () {

       chart.yAxis[0].update({
           reversed: !reversed
       });  

       reversed = !reversed;
   });
});

Here's the updated JSFiddle: http://jsfiddle.net/4JZxS/15/

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