From: tunnell@mail.utexas.edu
Date: Thu Sep 15 2005 - 13:41:25 CDT
Hey,
The detector geometry, as it is, is still the very simple Fsim-like geometry
that I threw in. As long as you can add a veto physical volume to the world,
your
code will work, correct? The only reason I bring this up is because I imagine
that we will probably make the detector geometry more complex now that a lot of
work has gone into other parts of RAT/GLG4sim, so I want to make sure that there
will not be any problems with, perhaps, some volume lookup.
-Chris
Quoting Stephen Jacob Sekula <sekula@mit.edu>:
> Hi Folks,
>
> After a very active week, I've completed the base migration of our veto
> system
> code to RAT. Kudos to all those who've worked to develop GLG4sim and RAT --
> they
> really are nicely constructed packages and made the inclusion of the veto
> very easy.
>
> Here is a list of changes I would like to commit. In the end, since the veto
>
> system is controlled with a parameter disabled by default, I believe you
> won't
> "notice" these changes. However, I have also altered the physWorld to make it
> a
> cave with an air pocket, and not just an air pocket. Should I make that
> controllable by a switch, too?
>
> Here is the list. I'll comment below it:
>
> RAT
> - added veto system to BW_ConstructDetector
> - changed physWorld to be a rock instead of air structure.
> - added air pocket (physCave) to physWorld (*)
>
> GLG4Sim
> - created GLG4VetXYZ classes
> - GLG4VetVetoSystem
> - GLG4VetGenericChamber
> - GLG4VetGenericChamberHit
> - added new materials and elements to GLG4DetectorConstruction
> - Concrete of all kinds (CHESS, Kaplan, ...)
> - elements needed for concrete (Na, Ba, Ca, etc.)
> - Added ability to override GLG4params when reading from file
> (UICommand glg4param_read) (**)
>
> data
> - added vetoconfig.dat to configure veto system
>
> mac
> - added veto_config.mac to test veto system
>
>
> (*) the physWorld was a bigair pocket. For the veto, we need the rock in
> order
> to get neutron production by muon spallation. I made physWorld out of rock,
> then
> added physCave, an air pocket, with ~1-2m clearance on all sides of the veto.
>
> Shall I make this a permanent feature, or control it with a switch in the
> GLG4params database?
>
> (**) The GLG4params wouldn't override defauly values when loading from a text
>
> file. I added this functionality, controlled by a switch in the .mac file.
>
>
> I'd like to commit ASAP, so that I don't have to do a big update after others
>
> make their commits. Shall I proceed?
>
> Regards,
> Steve
> --
> +--------------------+-------------------------------------------+
> | Stephen J. Sekula | http://www.slac.stanford.edu/~sekula |
> | Post-Doc | http://steve.cooleysekula.org/ |
> +--------------------+-----------------+-------------------------+
> | MIT Laboratory for Nuclear Science | SLAC: (650)-926-8596 |
> +--------------------------------------+-------------------------+
>
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