How to split surface facets of a Meshset by a given plane?

```
Dear all,

I need to split the surface facets of a Meshset by the edge of the intersection 
between the facet and a given plane. Is there any exist function to do this? If 
no, how to write this function?

Thanks,
Tang Laoya
```

Original issue reported on code.google.com by `tanglaoy...@gmail.com` on 24 Apr 2014 at 10:12
