Re: A Marlin processor for pedestal calculation [message #755 is a reply to message #682] |
Fri, 02 March 2007 04:46   |
emlyncorrin Messages: 1 Registered: March 2007 |
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I have another idea of a possible way to handle this. In the Bonn/Mannheim DAQ, they have a beginning-of-run-event (BORE) and an end-of-run-event (EORE) that were sent before the first and after the last real events in a run. They were basically a way for the individual producers to send header/trailer information to the DAQ.
I like the idea of this, and I am going to implement something similar in the final DAQ. These events don't have to be saved to the LCIO output file, but if they are, then the EORE could be used to detect the end of a run, before reaching the end of the file, and without needing to put the number of events in the header.
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