Darkside
Darkside
1. 根据当前环境，调用VChart图片导出API生成图表图片 2. 调研canvas图表转GIF和视频方案，为VMind增加图表转gif、视频接口 接口示例： ```ts const res=vmind.exportChart(spec,type) //type可以是image, gif或video ```
VMind图表智能生成模块接入组合图，使用同一份数据集，生成common chart，多个图表组合在一张图表中展示： 
### What problem does this feature solve? there are 2 steps in skylark chart generation: chart type recommend and field map assign. If the second step fails, we cal also...
also add unit test for data aggregation
### Version 1.2.4-alpha.5 ### Link to Minimal Reproduction null ### Steps to Reproduce see feat/node-support branch. ### Current Behavior gif size error：  ### Expected Behavior gif has the same...