dataset 下动态数据移动不平滑

[shermanwan]

Version

4.6.0

Reproduction link

https://gallery.echartsjs.com/editor.html?c=xFVCiv1Df&comment=0

Steps to reproduce

见代码，和 https://www.echartsjs.com/examples/zh/editor.html?c=dynamic-data 相比线有明显的重绘，而不是平移效果

What is expected?

dataset 下动态改变数据可以平滑移动

What is actually happening?

有明显重绘，不够平滑

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[echarts-bot]

This issue is labeled with priority: high, which means it's a frequently asked problem and we will fix it ASAP.

[Ovilia]

谢谢反馈，应该是数据 diff 的时候有问题