折叠条形图 怎么对特定的值进行颜色的区分

[yehoan]

• I have searched the issues of this repository and believe that this is not a duplicate.

Reproduction link

Steps to reproduce

当值为负数的时候需要颜色上面的区分 这个直接使用color 数据不对

Environment	Info
g2	4.1.23
System	win10
Browser	-

[pearmini]

把代码替换成下面试试？

chart
  .point()
  .position('month*temperature')
  .color('city*temperature', (_, t) => t > 0 ? 'steelblue' : 'orange')
  .shape('circle');