Ron and I agree on this...

From RJMadaras@lbl.gov Sun Jul 16 20:55:07 2006
Date: Sun, 16 Jul 2006 20:55:06 -0700
From: Ron Madaras <RJMadaras@lbl.gov>
To: Murdock Gilchriese <gilg@lbl.gov>
Subject: Re: [Fwd: Re: [Fwd: Phi location of module disks (fwd)]]

Gil,

Our definitions of where Chip 0 is agree, since you are "looking towards the
IP" and I am "at the IP looking towards a ~12:00 module", right?

	Ron


Murdock Gilchriese wrote:

> Looking towards the IP.......
> 
> For modules on the face away from the IP, Chip 0 is upper left and Chip 15
> is upper right
> 
> For modules on the face towards the IP, Chip 0 is upper right and Chip 15
> is upper left
> 
> There is no single document that shows this alas
> 
> 
> 
> On Thu, 13 Jul 2006, Ron Madaras wrote:
> 
> > could you please send them to me or Grant when you find them?
> > 
> > ron
> > 
> > 
> > Murdock Gilchriese wrote:
> > 
> > > I do but have to find them
> > > 
> > > On Thu, 13 Jul 2006, Ron Madaras wrote:
> > > 
> > > > Gil,
> > > > 
> > > > I think the answer to Grant's question is:
> > > > 
> > > > If one is at the IP looking towards a module near the 12:00
> > > > position, then:
> > > > 
> > > > * For a 12:00 module on the front of the sector, FE chip 0 is at the
> > > > upper left.
> > > > 
> > > > * For a 12:00 module on the back of the sector, FE chip 0 is at the
> > > > upper right.
> > > > 
> > > > Is this right?
> > > > 
> > > > I don't have any documents that show this. Do you?
> > > > 
> > > >     Ron
> > > > 
> > > > 
> > > > -------- Original Message --------
> > > > Subject: Re: [Fwd: Phi location of module disks (fwd)]
> > > > Date: Thu, 13 Jul 2006 19:40:25 +0200 (CEST)
> > > > From: Grant Gorfine <gorfine@cern.ch>
> > > > To: Ron Madaras <RJMadaras@lbl.gov>
> > > > CC: Murdock Gilchriese <gilg@lbl.gov>, Marian Zdrazil
> > > > <MZdrazil@lbl.gov>, Daniel Dobos <Daniel.Dobos@cern.ch>,
> > > > Jean-baptiste De vivie <devivie@cppm.in2p3.fr>, Alexandre Rozanov
> > > > <alexandre.rozanov@cern.ch>
> > > > References: <44B58083.2010307@lbl.gov>
> > > > <Pine.LNX.4.58.0607130919470.3435@pcatlwupp02.cern.ch>
> > > > <44B67A47.50308@lbl.gov>
> > > > 
> > > > Hi Ron,
> > > >       Thanks. Its still the 3mm. But this is easy to fix.
> > > > 
> > > > Yet another question. I would like to make sure we have the module
> > > > orientation correct. This is important to get the readout direction
> > > > correct (chip numbering and so forth). Is there a document that
> > > > describes
> > > > that or do you know who I should ask. I think all I need to know is
> > > > where
> > > > FE chip zero is in relation to the module.
> > > > 
> > > > Regards,
> > > >        Grant
> > > > 
> > > > 
> >