[Bug] multiple smooth stacked areas overlap

[kayoch1n]

Version

5.2.1

Link to Minimal Reproduction

No response

Steps to Reproduce

option = {
  tooltip: {
    trigger: 'axis',
  },
  "legend": {
  },
  "dataset": {
    "source": [
      [
        "product",
        "a",
        "b",
      ],
      ["2020-10", 5.28, 0],
      ["2020-11", 5.72, 0],
      ["2020-12", 6.95, 0],
      ["2021-01", 8.7, 0],
      ["2021-02", 11.64, 0],
      ["2021-03", 11.93, 10.32],
      ["2021-04", 12.04, 6.79],
      ["2021-05", 10.47, 5.67],
    ]
  },
  "xAxis": { "type": "category",},
  "yAxis": {},
  "series": [
    {
      "type": "line",
      "smooth": true,
      "areaStyle": {},
      "stack": "total"
    },
    {
      "type": "line",
      "smooth": true,
      "areaStyle": {},
      "stack": "total"
    },
  ],
}

Current Behavior

两条曲线的面积出现重叠。绿色曲线在圈起来的地方的值都是0，按理说不应该重叠

Expected Behavior

两条曲线的面积

Environment

- OS: mac osx
- Browser: chrome
- Framework: vue

Any additional comments?

No response

[plainheart]

删除 stack: 'total' 配置项再看看是不是你想要的？

[kayoch1n]

删除 stack: 'total' 配置项再看看是不是你想要的？

这个不行，其实我想同时实现堆叠和smooth的效果，

[plainheart]

似乎是平滑计算导致的问题，试试设置 smoothMonotone 为 x。

[github-actions]

This issue has been automatically marked as stale because it did not have recent activity. It will be closed in 7 days if no further activity occurs. If you wish not to mark it as stale, please leave a comment in this issue.

[github-actions]

This issue has been automatically closed because it did not have recent activity. If this remains to be a problem with the latest version of Apache ECharts, please open a new issue and link this to it. Thanks!