[英]Add label to line in Highcharts
I struggle to add a label on top of a line in highcharts .. for example suppose I have 4 series (all visible) with name 'data'
, 'mean'
, '+1 std'
, '-1 std'
: 我努力在高图的一行顶部添加标签。例如,假设我有4个系列(全部可见),名称为
'data'
, 'mean'
, '+1 std'
, '-1 std'
:
And I would like as a result: 结果,我希望:
I am lost to know how to add it ... even with the documentation it seems I need the abscissa and ordinate to add for each label. 我不知道该如何添加...即使使用文档,似乎我也需要为每个标签添加横坐标和纵坐标。 How can I retrieve this information?
如何获取此信息? Is it possible to add the label directly when I add the series?
添加系列时是否可以直接添加标签?
chart.addSeries({
id : 'mean',
name : 'mean',
type : 'line',
lineWidth : 1,
lineColor : 'rgba(0,128,0,0.9)',
color : 'rgba(0,128,0,0.9)',
dashStyle : 'LongDash',
zIndex : 5,
data : [[ext.dataMin, mean], [ext.dataMax, mean]],
enableMouseTracking: false
});
Notice that I do not want to display this information in a legend, but on the chart itself- 请注意,我不想在图例中显示此信息,而是在图表本身上显示-
You can do this with a dataLabel
. 您可以使用
dataLabel
进行此dataLabel
。
If you disable dataLabels in the plotOptions, but enable them on the first point of each series, you will get exactly what you're asking for. 如果您在plotOptions中禁用了dataLabels,但是在每个系列的第一点启用了它们,您将得到您所需要的。
Code example: 代码示例:
data: [
{
x:0,
y:5,
dataLabels:{
enabled: true,
format: 'label 1: {y}'
}
},
[10,5]
]
Fiddle example: 小提琴的例子:
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