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Posted to commits@echarts.apache.org by GitBox <gi...@apache.org> on 2021/11/09 10:08:20 UTC
[GitHub] [echarts] liuyong58 opened a new issue #16033: getDataurl实现导出大数据量图表
liuyong58 opened a new issue #16033:
URL: https://github.com/apache/echarts/issues/16033
### What problem does this feature solve?
在官方文档看到getDataurl和saveImage都可以实现将图表导出。但是只能导出当前页面显示的图形，不能实现导出大数据量的图形。
例如：数据量为1w条，x轴设置每次只显示3000条，getDataurl导出的为当前dom显示的3000条数据，不能导出全部数据图形。
在getDataurl之前设置doomZoom为全部时可以实现，但是数据过大，图形不太清楚，造成标签重叠等。
### What does the proposed API look like?
是否可以实现在getDataurl设置属性，实现设置图表的显示范围，达到可以分段导出大数据量的图表？
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[GitHub] [echarts] echarts-bot[bot] commented on issue #16033: getDataurl实现导出大数据量图表
Posted by GitBox <gi...@apache.org>.
echarts-bot[bot] commented on issue #16033:
URL: https://github.com/apache/echarts/issues/16033#issuecomment-963999362
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[GitHub] [echarts] Ovilia commented on issue #16033: getDataurl实现导出大数据量图表
Posted by GitBox <gi...@apache.org>.
Ovilia commented on issue #16033:
URL: https://github.com/apache/echarts/issues/16033#issuecomment-966915321
分段是什么意思呢？是可以通过多次设置不同的 dataZoom 每次导出一部分的。
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