[PWGLF] configurable axis for cosine (#9543)

Author: jikim1290

PWGLF/Tasks/Strangeness/lambdapolarization.cxx

@@ -137,6 +137,7 @@ struct lambdapolarization {
   ConfigurableAxis massAxis{"massAxis", {30, 1.1, 1.13}, "Invariant mass axis"};
   ConfigurableAxis ptAxis{"ptAxis", {VARIABLE_WIDTH, 0.2, 0.5, 1.0, 1.5, 2.0, 2.5, 3.0, 4.0, 5.0, 6.5, 8.0, 10.0, 100.0}, "Transverse momentum bins"};
   ConfigurableAxis centAxis{"centAxis", {VARIABLE_WIDTH, 0, 5, 10, 20, 30, 40, 50, 60, 70, 80, 100}, "Centrality interval"};
+  ConfigurableAxis cosAxis{"cosAxis", {110, -1.05, 1.05}, "Cosine axis"};
 
   TF1* fMultPVCutLow = nullptr;
   TF1* fMultPVCutHigh = nullptr;
@@ -186,7 +187,6 @@ struct lambdapolarization {
 
   void init(o2::framework::InitContext&)
   {
-    AxisSpec cosAxis = {110, -1.05, 1.05};
     AxisSpec centQaAxis = {80, 0.0, 80.0};
     AxisSpec PVzQaAxis = {300, -15.0, 15.0};
     AxisSpec epAxis = {6, 0.0, 2.0 * constants::math::PI};