Update LUT configurations to allow empty values

Author: njacazio

ALICE3/TableProducer/OTF/onTheFlyTracker.cxx

@@ -105,15 +105,15 @@ struct OnTheFlyTracker {
   Configurable<bool> doExtraQA{"doExtraQA", false, "do extra 2D QA plots"};
   Configurable<bool> extraQAwithoutDecayDaughters{"extraQAwithoutDecayDaughters", false, "remove decay daughters from qa plots (yes/no)"};
 
-  Configurable<std::string> lutEl{"lutEl", "lutCovm.el.dat", "LUT for electrons"};
-  Configurable<std::string> lutMu{"lutMu", "lutCovm.mu.dat", "LUT for muons"};
-  Configurable<std::string> lutPi{"lutPi", "lutCovm.pi.dat", "LUT for pions"};
-  Configurable<std::string> lutKa{"lutKa", "lutCovm.ka.dat", "LUT for kaons"};
+  Configurable<std::string> lutEl{"lutEl", "lutCovm.el.dat", "LUT for electrons (if emtpy no LUT is taken)"};
+  Configurable<std::string> lutMu{"lutMu", "lutCovm.mu.dat", "LUT for muons (if emtpy no LUT is taken)"};
+  Configurable<std::string> lutPi{"lutPi", "lutCovm.pi.dat", "LUT for pions (if emtpy no LUT is taken)"};
+  Configurable<std::string> lutKa{"lutKa", "lutCovm.ka.dat", "LUT for kaons (if emtpy no LUT is taken)"};
   Configurable<std::string> lutPr{"lutPr", "lutCovm.pr.dat", "LUT for protons"};
-  Configurable<std::string> lutDe{"lutDe", "lutCovm.de.dat", "LUT for deuterons"};
-  Configurable<std::string> lutTr{"lutTr", "lutCovm.tr.dat", "LUT for tritons"};
-  Configurable<std::string> lutHe3{"lutHe3", "lutCovm.he3.dat", "LUT for Helium-3"};
-  Configurable<std::string> lutAl{"lutAl", "lutCovm.he3.dat", "LUT for Alphas"};
+  Configurable<std::string> lutDe{"lutDe", "", "LUT for deuterons (if emtpy no LUT is taken)"};
+  Configurable<std::string> lutTr{"lutTr", "", "LUT for tritons (if emtpy no LUT is taken)"};
+  Configurable<std::string> lutHe3{"lutHe3", "", "LUT for Helium-3 (if emtpy no LUT is taken)"};
+  Configurable<std::string> lutAl{"lutAl", "", "LUT for Alphas (if emtpy no LUT is taken)"};
 
   struct : ConfigurableGroup {
     ConfigurableAxis axisMomentum{"axisMomentum", {VARIABLE_WIDTH, 0.0f, 0.1f, 0.2f, 0.3f, 0.4f, 0.5f, 0.6f, 0.7f, 0.8f, 0.9f, 1.0f, 1.1f, 1.2f, 1.3f, 1.4f, 1.5f, 1.6f, 1.7f, 1.8f, 1.9f, 2.0f, 2.2f, 2.4f, 2.6f, 2.8f, 3.0f, 3.2f, 3.4f, 3.6f, 3.8f, 4.0f, 4.4f, 4.8f, 5.2f, 5.6f, 6.0f, 6.5f, 7.0f, 7.5f, 8.0f, 9.0f, 10.0f, 11.0f, 12.0f, 13.0f, 14.0f, 15.0f, 17.0f, 19.0f, 21.0f, 23.0f, 25.0f, 30.0f, 35.0f, 40.0f, 50.0f}, "#it{p} (GeV/#it{c})"};