Hi Zhou yuan,
If you wish to change the formatter of the tooltip, you can set
series.tooltip.formatter [1]
as a function like
formatter: function (params) { return params.value == 315 ? 'NW' : '...' }
You can add console.log to understand params better.
[1]
https://echarts.apache.org/en/option.html#series-scatter.tooltip.formatter
Thanks
*Ovilia*
On Thu, Dec 9, 2021 at 10:26 PM zhouyuan <zhouy...@163.com> wrote:
> Hello, I encountered such a problem when using Echarts. After reading the
> document and spending some time, I still haven't solved it. I hope you can
> provide some ideas.
>
>
> Attached is the screenshot.
>
>
> Here is the problem description：
>
> This table shows the daily wind direction in a month, for example, 0 is no
> wind, 45 is east wind, 315 is northwest wind, etc
>
> Now you want to display the wind direction directly. For example, if it is
> 45, you want to display ne. If it is 315, you want to display NW instead of
> numbers
>
> So where should I modify to achieve this effect? Check the documentation.
> I added the formatter method in tooltip. The project has no effect. The
> source code written by Vue
>
>
>
>
>
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