Scaler display subsystem
The scaler display subsystem accepts a subset of the data from the Readout software and produces displays that describe the trigger rates and totals over the life of a run.
The NSCL scaler display program is extremely flexible. For the SEETFDAQ system it has been pre-configured to display only the set of scalers desired by the SEE experimental groups.
The figure below shows the scaler display program in action.
The scaler display subsystem
Refer to the numbers in the picture when following the discussion below.
- This line displays information about the status of
the run. From left to right:
- The run title.
- The run number.
- The run state
- How long the run has been active.
- The number of seconds between periodic scaler readouts.
- Each line of the scaler display program contains either a single
scaler or a pair of scaler channels intended to be interpreted
as a ratio. For each of these lines,
this column displays the name(s) of the scaler(s) on that line.
- For each display line, this column displays the count rate in
counts/sec of the scaler(s) displayed in that line. If a ratio is
displayed, the first of the two numbers will be the numerator.
- For each display line, this column displays the total number of
counts for the scaler(s) displayed in that line. If the line is
displaying a ratio, the numerator is the first of the two values.
- For each display line, if the line is displaying a ratio, this
column displays the ratio of the rate and total column.
Report documentation errors to
Ron Fox
(fox@nscl.msu.edu)or
NSCL's Bugzilla page
