From f68e680436c984ded75bff1d50dd591da0ba894a Mon Sep 17 00:00:00 2001
From: Christopher Dilks <c-dilks@users.noreply.github.com>
Date: Wed, 24 Jul 2024 19:51:07 -0400
Subject: [PATCH] test: try it

---
 .../physics/InclusiveKinematics/Algorithm.cc         | 12 +++++++-----
 .../physics/InclusiveKinematics/Algorithm.h          |  4 +++-
 .../physics/InclusiveKinematics/Config.yaml          |  3 +--
 3 files changed, 11 insertions(+), 8 deletions(-)

diff --git a/src/iguana/algorithms/physics/InclusiveKinematics/Algorithm.cc b/src/iguana/algorithms/physics/InclusiveKinematics/Algorithm.cc
index d0d1d586..e57da087 100644
--- a/src/iguana/algorithms/physics/InclusiveKinematics/Algorithm.cc
+++ b/src/iguana/algorithms/physics/InclusiveKinematics/Algorithm.cc
@@ -1,5 +1,4 @@
 #include "Algorithm.h"
-#include "iguana/services/RCDBReader.h"
 
 // ROOT
 #include <Math/Vector4D.h>
@@ -34,10 +33,13 @@ namespace iguana::physics {
 
     // parse config file
     ParseYAMLConfig();
-    o_runnum = GetCachedOption<int>("runnum").value_or(0); // FIXME: should be set from RUN::conig
+    o_runnum = GetCachedOption<int>("runnum").value_or(6666); // FIXME: should be set from RUN::conig
+    // get the beam energy
+    m_rcdb = std::make_unique<RCDBReader>("RCDB|" + GetName());
+    m_beam_energy = m_rcdb->GetBeamEnergy(o_runnum);
+    m_log->Error("Beam energy = {}", m_beam_energy);
 
     // get initial state configuration
-    o_beam_energy     = GetOptionScalar<double>("beam_energy", {"initial_state", GetConfig()->InRange("runs", o_runnum), "beam_energy"});
     o_beam_direction  = GetOptionVector<double>("beam_direction", {"initial_state", GetConfig()->InRange("runs", o_runnum), "beam_direction"});
     o_beam_particle   = GetOptionScalar<std::string>("beam_particle", {"initial_state", GetConfig()->InRange("runs", o_runnum), "beam_particle"});
     o_target_particle = GetOptionScalar<std::string>("target_particle", {"initial_state", GetConfig()->InRange("runs", o_runnum), "target_particle"});
@@ -87,7 +89,7 @@ namespace iguana::physics {
       o_beam_direction = {0.0, 0.0, 1.0};
     }
     auto dir_mag = std::hypot(o_beam_direction[0], o_beam_direction[1], o_beam_direction[2]);
-    auto beam_p  = std::sqrt(std::pow(o_beam_energy, 2) - std::pow(m_beam.mass, 2));
+    auto beam_p  = std::sqrt(std::pow(m_beam_energy, 2) - std::pow(m_beam.mass, 2));
     if(dir_mag > 0) {
       m_beam.px = o_beam_direction[0] * beam_p / dir_mag;
       m_beam.py = o_beam_direction[1] * beam_p / dir_mag;
@@ -103,7 +105,7 @@ namespace iguana::physics {
 
     // print the configuration
     m_log->Debug(Logger::Header("CONFIGURATION"));
-    m_log->Debug("{:>30}: {}", "beam energy", o_beam_energy);
+    m_log->Debug("{:>30}: {}", "beam energy", m_beam_energy);
     m_log->Debug("{:>30}: {}, mass = {}, p = ({}, {}, {})", "beam particle", o_beam_particle, m_beam.mass, m_beam.px, m_beam.py, m_beam.pz);
     m_log->Debug("{:>30}: {}, mass = {}, p = ({}, {}, {})", "target particle", o_target_particle, m_target.mass, m_target.px, m_target.py, m_target.pz);
     m_log->Debug("{:>30}: {}", "reconstruction method", method_reconstruction_str);
diff --git a/src/iguana/algorithms/physics/InclusiveKinematics/Algorithm.h b/src/iguana/algorithms/physics/InclusiveKinematics/Algorithm.h
index 0f86c54c..cf36093b 100644
--- a/src/iguana/algorithms/physics/InclusiveKinematics/Algorithm.h
+++ b/src/iguana/algorithms/physics/InclusiveKinematics/Algorithm.h
@@ -2,6 +2,7 @@
 
 #include "iguana/algorithms/Algorithm.h"
 #include "iguana/algorithms/TypeDefs.h"
+#include "iguana/services/RCDBReader.h"
 
 namespace iguana::physics {
 
@@ -89,7 +90,6 @@ namespace iguana::physics {
 
       // config options
       int o_runnum;
-      double o_beam_energy;
       std::vector<double> o_beam_direction;
       std::string o_beam_particle;
       std::string o_target_particle;
@@ -108,6 +108,8 @@ namespace iguana::physics {
       };
       particle_t m_beam;
       particle_t m_target;
+      double m_beam_energy;
+      std::unique_ptr<RCDBReader> m_rcdb;
   };
 
 }
diff --git a/src/iguana/algorithms/physics/InclusiveKinematics/Config.yaml b/src/iguana/algorithms/physics/InclusiveKinematics/Config.yaml
index 4af86847..a5272b97 100644
--- a/src/iguana/algorithms/physics/InclusiveKinematics/Config.yaml
+++ b/src/iguana/algorithms/physics/InclusiveKinematics/Config.yaml
@@ -1,8 +1,7 @@
 physics::InclusiveKinematics:
 
-  initial_state: # FIXME: add run ranges
+  initial_state:
     - default:
-      beam_energy: 10.6
       beam_direction: [ 0.0, 0.0, 1.0 ]
       beam_particle: electron
       target_particle: proton