[d2n-analysis-talk] Bigbite dimensions

Brad Sawatzky brads at jlab.org
Thu Jun 2 16:23:16 EDT 2011


On Thu, 02 Jun 2011, Gregg B. Franklin wrote:

> This is a reminder that we are looking for dimension details of the
> Bigbite spectrometer.

http://www.jlab.org/~brads/d2n/CAD_Drawings/

This is probably the most interesting file (in JT2Go format):
  http://www.jlab.org/~brads/d2n/CAD_Drawings/BBS__TRANSVERSITY.jt
It is an export from the "official" Hall A model used for installation.
Should be pretty accurate, with the caveat that detector-element spacing
is better extracted from the analyzer DB files.

Just FWIW, here's a somewhat out of date JT2Go installer:
  http://www.jlab.org/~brads/d2n/CAD_Drawings/JT2Go.exe
I run the software under under linux using WindowsXP running in
VirtualBox (an open-source VMWare-style HW emulator).  It's quite
snappy, even on my lousy old desktop machine.  The interface is
mediocre, but you can do point-to-point measurements as well as "get
info" on selected components.

I honestly don't recall what is in the dwg files and don't have any
software handy to read them.

-- Brad

-- 
Brad Sawatzky, PhD <brads at jlab.org>  -<>-  Jefferson Lab / Hall C / C111
Ph: 757-269-5947  -<>-  Fax: 757-269-5235  -<>- Pager: brads-page at jlab.org
The most exciting phrase to hear in science, the one that heralds new
  discoveries, is not "Eureka!" but "That's funny..."   -- Isaac Asimov


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