DAQTree plugin

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DAQTree is a standard JANA plugin that can be used to output information about standard DAQ objects to root trees.

Usage

Once everything is set up (as on the gluon cluster), it can be run using the following command:

hd_root -PPLUGINS=DAQ,DAQTree -PHDDM:ENABLE=0 codafile.evt -o outputfile.root

The -PPLUGINS=DAQ is required to generate the low level DAQ object which are then saved to the tree.

The -PHDDM:ENABLE=0 switch is required to stop the analyzer from wasting time trying to interpret the file as a HDDM file. Later developments to the HDDM parser may make this unnecessary.

Expanded Usage

The DAQ and DAQTree plugins can be run with additional plugins that can construct one type of object from another.

hd_root -PPLUGINS=DAQ_WRD2PI,DAQ,DAQTree -PHDDM:ENABLE=0 codafile.evt -o outputfile.root

The DAQ_WRD2PI pluing needs to come before the DAQ plugin so the factory it uses to create Df250PulseIntegral object will take precidence over the factory coming from the DAQ plugin.

Data Types

The currently supported object types are:

   Df250WindowRawData
   Df250PulseIntegral

The object types that will be supported in future are:

   Df125PulseIntegral
   Df125PulseTime
   Df125TriggerTime
   DF1TDCHit
   DF1TDCTriggerTime
   Df250PulseIntegral
   Df250PulseRawData
   Df250PulseTime
   Df250StreamingRawData
   Df250TriggerTime
   Df250WindowRawData
   Df250WindowSum

Notes

DAQTree is currently not compiled or installed by default because it depends on the DAQ plugin. The DAQ plugin is not currently compiled by default since it depends on evio, which is not typically necessary for standard simulation reconstruction. This may change. First compile and install sim-recon, the the DAQ plugin and then the DAQTree plugin.

See the Doxygen entry for this plugin for a look into the internal structure.