smallyunet opened a new issue #10991: 主题河流图(themeRiver)获取某一河流在所有时间点的数据 URL: https://github.com/apache/incubator-echarts/issues/10991 ### What problem does this feature solve? 希望主题河流图(themeRiver)获取某一河流在所有时间点的数据,而不是所有河流在某一时间点的数据。 数据是根据坐标轴获取数据的,而主题河流图只支持单坐标轴(singleAxis),是否可以添加Y坐标轴或者以其他方式获取某一河流的数据? 我们做一个学术文献关键词热点分析的项目,当生成的河流较多(比如20个),其中某些河流占比很小时,鼠标放上去会悬浮出(tooltip)某一时间节点所有的数据,这样的显示效果并不理想。我们期望显示某一关键词近几年的变化趋势。 ### What does the proposed API look like? ``` formatter: function (params, ticket, callback) { console.log(params.item) // 河流名称 } ``` <!-- This issue is generated by echarts-issue-helper. DO NOT REMOVE -->
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