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Thanks for the suggestions... I would think most of these values belong in the conditions database instead, retrievable as some kind of "run conditions" object. If we tag the files in the data catalog with all this kind of information, then actually managing this could be a huge hassle and time sink. They would need to be manually assigned to each data file somehow. Rather I would think you'd query the conditions system to find out which runs you're interested in based on these parameter values, and then feed the list of run numbers you get back to the scripts that find files in the data catalog. --Jeremy -----Original Message----- From: Francois-Xavier Girod [mailto:[log in to unmask]] Sent: Wednesday, June 04, 2014 10:31 AM To: McCormick, Jeremy I. Cc: hps-software Subject: Re: data catalog meta data Dear Jeremy, Some possible additions below, for consideration. Best regards, FX PS magnet current PS magnet position Frascati magnets current Collimator state Half-wave plate position ? DAQ live-time ? trigger bit prescale factors ? ----- Original Message ----- From: "Jeremy I. McCormick" <[log in to unmask]> To: "hps-software" <[log in to unmask]> Sent: Tuesday, June 3, 2014 4:59:14 PM Subject: data catalog meta data Hi, I have started trying to sketch out what meta data fields we should have in our data catalog. Preliminary notes are here: https://confluence.slac.stanford.edu/display/~jeremym/HPS+Data+Catalog+Meta+Data This is based on some discussion with various people in the collaboration including Matt, Sho and Norman. If you have any reponse or additions then either comment on that page or send a message to this email list. Thanks. --Jeremy ######################################################################## 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