adamtLICOR opened a new issue #9246: Continue Showing Same Tooltip On Dynamic Graph (Until Mouse Moves) URL: https://github.com/apache/incubator-echarts/issues/9246 <!-- 为了方便我们能够复现和修复 bug，请遵从下面的规范描述您的问题。 --> ### One-line summary [问题简述] Is there a simple way to continue showing the same tooltip on a dynamic graph (until the mouse moves)? ### Version & Environment [版本及环境] + ECharts version [ECharts 版本]: 4.1.0 (via vue-echarts 3.1.3) + Browser version [浏览器类型和版本]: Chrome 69.0.3497.100 + OS Version [操作系统类型和版本]: OSX High Sierra (10.13.6) ### Expected behaviour [期望结果] I have a graph that adds one new data point to a series every second. I can highlight any of those points, and the tooltip shows up just fine:  However, when the graph updates the data after the next second, the tooltip moves on to the next point (because that point is now highlighted). This makes it difficult to read any tooltip data. Is there an easy way to keep showing the first tooltip, preferably until the mouse moves (to signal that another tooltip should be shown)? ### ECharts option [ECharts配置项] <!-- Copy and paste your 'echarts option' here. --> <!-- [下方贴你的option，注意不要删掉下方 ```javascript 和 尾部的 ``` 字样。最好是我们能够直接运行的 option。如何得到能运行的 option 参见上方的 guidelines for contributing] --> ```javascript option = { tooltip: { trigger: 'axis' } ... xAxis: { type: 'category' } } ``` ### Other comments [其他信息] <!-- For example: Screenshot or Online demo --> <!-- [例如，截图或线上实例 (JSFiddle/JSBin/Codepen)] --> A similar issues appears on the Dynamic Graph example on the official docs page: https://ecomfe.github.io/echarts-examples/public/editor.html?c=dynamic-data2 However, here, the tooltip usually disappears entirely (because no point is highlighted at all).
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