leoliu1984 opened a new issue #9893: 散点图区域选择部分点不能被选中 URL: https://github.com/apache/incubator-echarts/issues/9893 <!-- Thanks for choosing ECharts! 感谢使用 ECharts！ It's highly recommended to use English in issues, to help others having the same problem in the future. 加入 Apache 开源基金会后，我们有了更多国外的用户。为了方便社区用户，强烈建议在 issue 中使用英文。 Please check the following questions to let our bot help. 请回答以下问题，以帮助我们的机器人维护 issue。 To check the option, add x in [ ], e.g.: [x] I am ... 勾选的方式：在 [ ] 中加入 x，变成：[x] I am ... 的形式。 - [ ] I am using English in this issue. 在这个 Issue 中我使用了英文（强烈建议）。 --> ## General Questions <!-- BEGINNING OF REQUIRED FIELDS 必填项开始 --> <!-- PLEASE MAKE SURE OF ALL THE FOLLOWING OPTIONS IN REQUIRED FIELDS ARE TICKED (with x)! Otherwise, the issue will not be answered. And think before you tick. :) 请确保以下每项都打上勾了！并且确保都做了这些事哦~ 这将大量简化我们的工作流程，使你的问题更快速得到解答。 - [x] Required: I have read the document and examples and tried to solve it by myself. （必填）我读过了文档和教程，并且曾试图自己解决问题。 - [x] Required: I have searched for similar issues and that didn't help. （必填）我搜索过 issue 但是没有帮助。 - [x] Required: I have tried with the latest version of ECharts and still have this problem. （必填）我试过最新版本的 ECharts，还是存在这个问题。 In this issue, I have provided information with: 在这个 issue 中我提供了以下信息： - [x] Required: issue type；（必填）issue 类型 - [x] Required: one sentence description in issue details；（必填）一句话的问题描述 - [x] Required: demo；（必填）能反映问题的例子（如果你想提问或报 bug） - [x] Required: ECharts version；ECharts 版本 --> <!-- END OF REQUIRED FIELDS 必填项结束 --> ## Issue Type <!-- Add `x` for the ones that is true with you, e.g.: [x] I have ... --> - [ ] I have a question to ask about *how to use ECharts to ...*；我想提问如何使用 ECharts 实现某功能 - [ ] I have a bug to report；我想要报 bug - [ ] I have a feature to request, e.g.: *I'd like a new feature that ...*；我需要一个新功能 - [ ] I have a feature to enhance, e.g.: *The current feature should be improved in the way that ...*；我希望改进某个功能 - [ ] There's something wrong with the documents；文档有些问题 - [x] Others, or I'm not sure which issue types to choose here；其他，或我不知道应该选什么类型 ## Issue Details <!-- Use one sentence to describe what you want and what's wrong. 一句话描述问题。 --> <!-- DESCRIBE_HERE} --> ### 简单描述问题： 散点图区域选择部分点不能被选中, 包括矩形选择，Polygon选择，X轴选择，Y轴选择 ### 预期效果：  ### 实际效果：  无论怎么选择，只能选中361个点。这个数字是通过brushselected回调函数中的params中的dataIndex数组中得到。 Total : 3143 Selected : 361 当把数据从3143降到3000时，还是同样的效果，只能选中361。 当把数据从3000降到2999时，选中的数量变为2591。 请问有什么建议吗？ 在该例子3143组数据中，横坐标的数值没有空值，纵坐标的数值有425个为null. ## Environment - ECharts version；ECharts 版本: 4.2.1
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