Incubator-echarts: echarts3怎么支持tree状图

[beargan]

问题简述 (One-line summary)

echart3 不支持tree类型，错误提示如下：
echarts.js:5110 Uncaught Error: Component series.tree not exists. Load it first.

版本及环境 (Version & Environment)

• ECharts 版本 (ECharts version): echarts3
• 浏览器类型和版本 (Browser version): chrom
• 操作系统类型和版本 (OS Version): win10
  

  重现步骤 (Steps to reproduce)

期望结果 (Expected behaviour)

echarts3支持tree状类型

可能哪里有问题 (What went wrong)

ECharts配置项 (ECharts option)

option = {

}

其他信息 (Other comments)

[pissang]

echarts 3 暂时不支持 tree 图表

[yech1990]

@pissang 下个版本能支持么？

[frol]

Missing trees implementation is a major loss of ECharts 3 for me. I hope they will be implemented in future.

[khorolets]

+1 to @frol I do miss trees, too.

[liuzjccc]

+1