能不能定位某个节点到中心位置？

### What problem does this feature solve?

Due to the large amount of data in the diagram, the system is able to locate a node through search and locate it in the middle of the diagram.

Thanks !

### What does the proposed API look like?

echarts v4.3，系统通过节点id就能够把当前节点定位到中心位置。