XIAEventBuilder/README.md

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# XIAEventBuilder
event builder for XIA PIXIE16 digitizer, from evt to root
## prerequiest
ROOT 6.00+
Codes need to be compiled are in armory/
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# Function of Programs
![Alt text](armory/programs_explain.png?raw=true "program explained")
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# armory/DataBlock.h
this is the source file for the class DataBlock, it stored all information from a single data block from pixie16 output.
# armory/evtReader.h
this is the source file for the class evtReader.
It read the *.evt file (which is same as pixie16 output) and convert each measurement (or data block) from byte into meaningful data and use DataBlock class to store the information.
It can also scan the evt file.
# armory/EventBuilder
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This builds events from *.evt files to *.root file. It by pass the *.to file. the default BUFFERSIZE is 1 million datablock.
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# armory/evt2hist
this processes evt file to hstograms.
# armory/to2root
this build events from *.evt.to files to *.root file (need to check the compactability with EventBuilder)
# armory/pxi-fsu-time-order
this sorting the time from *evt file to *.evt.to.fsu.XXX, where XXX is the time window.
It will search data within XXX time window, if non of the data is from clover, discard.
# Analyzer.C/h
this is a TSelector for analysis the *.root file
# PreAnalyzer.C/h
this is a TSelector for consolidate the *.root and save to new *.root file.
It only save added-back gamma and GAGG data.
# PIDAnalyzer.C/h
this is a TSelector for analysing particle-gamma
# GAGGPIDCutCreator.C
this is a PID Cuts Creator