问题描述
我想知道如何居中显示文字,并且能够在作为组合图表一部分的圆环图中悬停的文字进行更新。
I已经看到使用图表标题verticalAlign和setTitle的解决方案,但是当圆环图是组合图表的一部分时,该方法看起来不起作用。
我也试过使用位于圆环图中心的div。这并不奏效,因为当主要系列的y访问标签变得更宽(即更多数字)时,圆环图向右滑动,并且div不再位于圆环图的中心。
我添加了一个jsfiddle,可以用来演示关于获取呈现文本,标题,div的任何建议,不管集中在圆环图上的任何提示都将随该图移动。 / p>
{type:'pie',
name:'Total consumption',
您可以使用 renderer
来添加自定义文字在您的图表上。然后,您可以使用 element.on()
添加事件。查看现场示例:
$ b $
$('#container')。highcharts({
图:{
events:{
load:function (){
var chart = this,
rend = chart.renderer,$ b $ pie = chart.series [4],
left = chart.plotLeft + pie.center [0 ],
top = chart.plotTop + pie.center [1],
text = rend.text(text,left,top).attr({'text-anchor':'middle' ();
alert(hover!);
});
}
}
},
...
});
I would like to know how to center text and be able to update that text on hover inside of a donut chart that is part of a combination chart.
I have seen solutions using the chart title, verticalAlign and setTitle but that approach doesn't appear to work when the donut chart is part of a combination chart.
I have also tried using a div positioned in the center of the donut chart. That doesn't work well because when the y access labels of the primary series get wider (i.e. more digits) then the donut chart slides to the right and the div is no longer centered on the donut chart.
I have added a jsfiddle that can be used to demonstrate any suggestions you might have on getting rendered text, a title, a div, whatever centered on the donut chart that will also move with that chart.
{type: 'pie',
name: 'Total consumption',
You can use renderer
to add custom text on your chart. Then you can add events using element.on()
. See live example: http://jsfiddle.net/sJfuA/2/
$('#container').highcharts({
chart: {
events: {
load: function() {
var chart = this,
rend = chart.renderer,
pie = chart.series[4],
left = chart.plotLeft + pie.center[0],
top = chart.plotTop + pie.center[1],
text = rend.text("text", left, top).attr({ 'text-anchor': 'middle'}).add();
text.on("mouseover", function() {
alert("hover!");
});
}
}
},
...
});
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