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BABAR
SLAC<->RAL

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Configuration

This section describes how to create and run a Beta analysis application which reads the mini. As a prerequisite, it is assumed that the user has checked out BetaMiniUser from CVS. The user may also wish to create his own analysis package based on BetaMiniUser, in which case, the source code, GNUmakefile and configuration files must be copied from BetaMiniUser into a new package directory. To configure either BetaMiniUser or a descendent package based on BetaMiniUser, the following steps need to be performed:

1. Compile-time configuration: Modifications to analysis module.
2. Build-time configuration: Create and configure an AppUserBuild object. Update package dependency files.
3. Run-time configuration: Create and configure a TCL snippet file to run the application.

Table: BetaMiniUser TCL configuration parameters.

TCL parameter	Allowed values	Default	Comments
levelOfDetail	micro, cache, extend, refit, rebuild	cache	See Table 1. The list of allowed levelOfDetail values are stored in the variable BetaMiniLevels.
ConfigPatch	Run1, Run2, MC	Run2	Specifies the data taking period of the input. Run2 now encompasses all data taking periods. MC specifies Monte Carlo simulated data.
MCTruth	true, false	false if ConfigPatch is not equal to MC, else true	true means construct the MCTruth BtaCandidates and maps to reco candidates
inputList			Space-delimited list of input collections. The format of the input data, Bdb or Kan, is specified by the variable BetaMiniReadPersistence.
BetaMiniReadPersistence	Kan, Bdb	Kan	The persistence format of the input data
BetaMiniTuple	hbook, root	hbook	Determines the type of output histogram file to create. This parameter will enable RooTupleEnv (HbkTupleEnv) module and disable HbkTupleEnv (RooTupleEnv) module if this parameter is set to root ( hbook).
histFileName		BetaMini. ${BetaMiniTuple}	Name of ntuple file.
BetaMiniSystems	Eid Tag Trk Emc Ifr Pid G3 G4 Reco Svt Dch Drc L1Glt L1Fct L3T BtaMini		The list of systems to be read, constructed by BetaMiniSequences/BetaMiniDefineSystems.tcl. A subset of systems may be explicitly specified but must account for system interdependencies.
BetaMiniReadComponents	Esd, Cnd, Aod, Tru, Tag, Sim	Dependent on levelOfDetail	The components which can be configured in a BetaMiniUser job.
BetaMiniReclusterComponents		Esd Sim	Defines which components are written into which root file. All components except those specified in BetaMiniReclusterComponents are written into the first (header) file.

Each of these steps will be explained in more detail below. There is no need to set environment variables as part of the build- and run-time configuration for the mini. Global TCL parameters are used instead. These parameters are described in Table 2.