jmhardin/FastDIRC
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Type make to build. Root should be the only dependency right now. for a sample run try: ./dircfit -n <number of events> -E <Energy in GeV> -particle_theta <theta> -particle_phi <phi> ./dircfit -n 1000 -E 4.5 -particle_theta 4 -particle_phi 20 This is "loop" mode and will run very quickly - the KDE is only simulated once. This will produce "fitdirc.root". This can be changed with the -of option. There are also a lot of command line options to perturb the box geometry, they can be viewed in the source. A signifigantly pared down driver file is also provided under example_driver/ - type: make example to build it. It accepts a subset of the commands of the regular file. It also does not contain the experimental algorithms and input methods and so should be signifigantly easier to read. To read from a csv file, use -if foo.csv it expects the format: Event_NUM PID_NUM BAR x_mm y_mm time_ns theta_deg phi_deg Energy_GeV where event_num comes from the Montecarlo and pid is the geant PID. Bar is an indexing of the bars from the middle. 1 is the closest bar to the beam on the right, with 24 being the furthest right bar. -1 to -24 behave similarly on the left. x and y are mm counts from the middle of the bar (NOT absolute coordinates). Use can use the command flag "-force_kinematics" to overide the last 3 colums. Note that force kinematics will override them even if no other options are passed, as they have default values. The flag -t <ns> will cause events which are marked with a timestamp within that number of ns to produce hits on the PMT plane and "confound" the results. Useful for testing windows and backgrounds. Defaults to -1. To fit a resolution, rung graphicHistos.C(<file>,bool verbose, double Energy (GeV)) on the rootfile output from the simulation.
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