Other use for a Hibernate Mapping file

I am trying to define db dependency for a web based application, and was thinking that perhaps the hibernate mappings used in the application migh开发者_JAVA技巧t be importable into some sort of tool to produce a visual ERD diagram. Has anyone tried something like this?

The Hibernate Tools plugin for Eclipse allows to visualize the Data Model with the "Mapping Diagram":

There's a tool called visual nhibernate that does something like this. It's goal isn't to create ERD's but it does show that it's possible