[GitHub] Ericazhang1990 opened a new issue #9874: 建议series[i]-line.sampling可以同时返回两个值，最大值和最小值

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Ericazhang1990 opened a new issue #9874: 建议series[i]-line.sampling可以同时返回两个值，最大值和最小值
URL: https://github.com/apache/incubator-echarts/issues/9874
 
 
   
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   - [ √] 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：
   - [√ ] Required: issue type；（必填）issue 类型
   - [√ ] Required: one sentence description in issue details；（必填）一句话的问题描述
   - [ ] Required: demo；（必填）能反映问题的例子（如果你想提问或报 bug）
   - [ ] Required: ECharts version；ECharts 版本
   
   
   
   
   ## 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
   - [ ] 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。 -->
   
   sampling属性支持两个像素点内返回最大值和最小值
   
   
   ### Expected Behavior
   
   <!-- Add screenshots to demo if necessary. 期望的效果。 -->
   
   1 添加类似"max"，“min”的属性，来返回两个像素点内的最大值和最小值；
   2 sample自定义可以返回数组，返回多个值，返回1个值则是对一个像素点内的值稀释，返回两个点则是对2个像素点内的值进行稀释。
   两种方案希望有一种被使用
   
   
   ### Current Behavior
   
   <!-- Add screenshots to demo if necessary. Otherwise, replace the following line with N/A. 现在的效果。 -->
   
   <!-- {DESCRIBE_HERE} -->
   
   
   ### Online Example
   
   <!-- Please use jsfiddle.net or gallery.echartsjs.com to provide a simplest demo to show the problem. And do not upload zip demos. 请使用 gallery.echartsjs.com 提供最简单可运行的代码，请不要上传 zip 文件。 -->
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   THIS IS REQUIRED FOR ALL BUG REPORTS AND QUESTIONS!!! 如果是提问或报 bug 一定要提供这一项！
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   <!-- {ADD_LINK_OF_DEMO_HERE} -->
   
   <!-- Please make your demo as simple as possible to help locate the problem. And paste only necessary part of code here. 提供必要的代码，不要全部粘贴。 -->
   
   <!-- {PASTE_RELATED_CODE_HERE} -->
   
   
   ## Topics
   
   <!-- Check those topics that are related. 选择相关主题。
   - [ ] Legend
   - [ ] Tooltip
   - [ ] Event
   - [ ] Performance
   - [ ] SVG
   - [ ] Map
   - [ ] ECharts GL
   - [ ] Third-party libraries, e.g.: Vue.js, React
   -->
   
   ## Anything Else We Need to Know
   
   <!-- You may reference other issues here. Otherwise, replace the following line with N/A.  其他我们需要知道的东西，比如引用其他 issue。 -->
   
   <!-- {DESCRIBE_HERE} -->
   
   
   ## Environment
   
   - ECharts version；ECharts 版本: {DESCRIBE_HERE}
   
   - [ ] It happens only on certain browsers or operating systems. 对于特定浏览器或操作系统才会出现的问题，请提供相应环境信息：{BROWSER_VERSION_OR_OS_INFORMATION_HERE}
   

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