Building halld recon with JANA2 on ifarm9

Prerequisites

Before proceeding with building halld_recon, ensure you have already built JANA2 following the instructions provided in Building JANA2 on ifarm9.

Steps to Build halld_recon with JANA2

1. Create and Navigate to halld_recon Directory

mkdir halld_recon
cd halld_recon

2. Clone the halld_recon Repository

Clone the halld_recon code in rasool_halld_recon branch of nathanwbrei/halld_recon.

git clone --branch rasool_halld_recon https://github.com/nathanwbrei/halld_recon.git .

3. Edit halld_recon_prereqs_version.xml

After cloning, locate and edit `halld_recon_prereqs_version.xml` to update the path in home attribute of the JANA package to the path of the JANA2 repository you built on ifamr9. Example:

<package name="jana" version="2.1.2" home="/w/epsci-sciwork18/rasool/gluex_jana2_2023/JANA2"/>

4. Build halld_recon

In your terminal, execute the following commands:

source /group/halld/Software/build_scripts/gluex_env_boot_jlab.csh
gxenv halld_recon_prereqs_version.xml
cd src

Normal Build:

nice scons install -j32

Debugging Build:

nice scons install -j32 DEBUG=1 OPTIMIZATION=0 SHOWBUILD=1

5. Verify the Installation

Once halld_recon is built & installed, navigate to Linux_Alma9-x86_64-gcc11.4.1/setenv.csh (build_directory/setenv.csh). Copy its absolute path and source it to set up the environment. Example:

source /w/epsci-sciwork18/rasool/halld_recon/Linux_Alma9-x86_64-gcc11.4.1/setenv.csh

After setting up the environment, run the following command to confirm that halld_recon is correctly built and installed:

hd_dump

If `halld_recon` is installed correctly, the command will output the following information, confirming its installation. `-B` among the options of this `hd_dump` command indicates that this is the `halld_recon` code that has been updated to work with JANA2, replacing the `-b` option of `hd_dump` with `-B` to avoid conflicts with JANA2's `-b` benchmark option.

Usage:
       hd_dump [options] source1 source2 ...

Print the contents of a Hall-D data source (e.g. a file)
to the screen.

Options:

   -h        Print this message
   -Dname    Print the data of type "name" (can be used multiple times)
   -A        Print ALL data types (overrides -s and -DXXX options)
   -L        List available factories and exit
   -p        Don't pause for keystroke between events (def. is to pause)
   -s        Skip events which don't have any of the specified data types
   -qn       Quit after printing n events (default n=1), skip boring events, and don't pause
   -a        List types and number of associated objects
   -S        Don't suppress printing of factories with no objects in summary
   -c        Print summary header lisiting for select factories.
   -V        Print summary header lisiting for all factories.
             (warning: this activates every single factory!)
   -B        Print event status bits
   -e        Don't allow automatic EVIO sparse readout for EPICS data


Usage:
    jana [options] source1 source2 ...

Description:
    Command-line interface for running JANA plugins. This can be used to
    read in events and process them. Command-line flags control configuration
    while additional arguments denote input files, which are to be loaded and
    processed by the appropriate EventSource plugin.

Options:
   -h   --help                  Display this message
   -v   --version               Display version information
   -c   --configs               Display configuration parameters
   -l   --loadconfigs <file>    Load configuration parameters from file
   -d   --dumpconfigs <file>    Dump configuration parameters to file
   -b   --benchmark             Run in benchmark mode
   -Pkey=value                  Specify a configuration parameter

Example:
    jana -Pplugins=plugin1,plugin2,plugin3 -Pnthreads=8 inputfile1.txt

For any issues or further assistance with building, installing or using halld_recon on ifarm9, contact Raiqa Rasool (rasool@jlab.org).