[Halla12_software] detector definition: DD4hep

[Zhiwen Zhao]

Hi, All

Just FYI

I notice "DD4hep" which has similar ideas for detector defination
see slides starting from 8 of
https://indico.cern.ch/event/341292/session/17/contribution/274/material/slides/0.pdf

DD4hep is at
http://aidasoft.web.cern.ch/DD4hep
On the same site, there are some other interesting packages like 
"Usolids","PandoraPFA"

There are some interesting discussion about software framework here
http://indico.cern.ch/event/337673/session/5/contribution/22/material/slides/0.pdf

Zhiwen