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Hi Matt, There is rate-dependent effect that is significant for channels close to the beamline: https://mailman.jlab.org/pipermail/hps-ecal/2015-January/000113.html I've not measured how quickly it changes, but the easiest way to deal with it is probably going to be mode-7 pedestals. -Nathan On Jan 11, 2015, at 8:05 PM, "Graham, Mathew Thomas" <[log in to unmask]> wrote: > Hi Nathan, > > Do you have an idea of how much & how quickly does the pedestal change? > > On Jan 11, 2015, at 4:59 PM, Nathan Baltzell <[log in to unmask]> wrote: > >> Hi Everyone, >> >> I wrote a preliminary running pedestal average for mode-7 data. For the moment I just added it >> to EcalRawConverter for testing in my local build because that's where the pedestal subtraction >> is done and I saw direct access to the raw data, but maybe it should go somewhere else. For >> example, we want to be able to plot the time-dependence of this running pedestal in the >> monitoring-app too. And maybe also persisted in LCIO? From a design standpoint, should it >> instead be in the ecal-conditions class (although that looks like all static stuff from the db now), >> or its own new class, or else? I'm still getting familiar with this framework …. >> >> -Nathan >> ######################################################################## >> Use REPLY-ALL to reply to list >> >> To unsubscribe from the HPS-SOFTWARE list, click the following link: >> https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=HPS-SOFTWARE&A=1 > ######################################################################## Use REPLY-ALL to reply to list To unsubscribe from the HPS-SOFTWARE list, click the following link: https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=HPS-SOFTWARE&A=1