Merge branch 'NPTool.2.dev' of https://gitlab.in2p3.fr/np/nptool into NPTool.2.dev

Projects/ComptonTelescope/online/src/online_dsssd.cpp

@@ -15,12 +15,12 @@
 #include <iostream>
 #include <fstream>
 #include <string>
+#include <cstdlib>
 using namespace std;
 
 //--//--//--//--//--//--//--//--//--//--//--//--//--//--//--//
-int main()
+int main(int argc, char *argv[])
 {
-
   ///////////////////////////////////////////////////////////////////////////
   // configure option manager
 //   NPOptionManager::getInstance()->Destroy();
@@ -49,16 +49,34 @@ int main()
   auto ccamPhys = (TComptonTelescopePhysics*) m_NPDetectorManager->GetDetector("ComptonTelescope");
   ccamPhys->SetRawDataPointer(ccamData);
 
+  // deal with file name and number of events to treat from command line
+  std::cout << "\n";
+  int nevents = -1;
+  string fileName = "bb7_3309-7_cs137_20210304_14h35_conv.root";
+  if (argc == 1) {
+     std::cout << "Name of file to analyse should be provided as a command line argument\n";
+     std::cout << "Default file " << fileName << " is considered\n";
+  }
+  else {
+     fileName = argv[1];
+     if (argc == 3) nevents = std::atoi(argv[2]);
+  }
+
   // read data file/flux and fill ccamData object
-  std::cout << "Reading data\n";
+  std::cout << "Reading data from " << fileName << "\n";
   DecodeD* DD = new DecodeD(true); // Instantiates DecodeD object reading DSSSD(s) data flux
   newframe_t* event;
-  DD -> setTree("../data/20200128_10h44_bi207_conv.root");
+  fileName = "../data/" + fileName;
+  DD -> setTree(fileName.c_str());
+//  DD -> setTree("../data/20200128_10h44_bi207_conv.root");
+//  DD -> setTree("../data/bb7_3309-7_cs137_20210304_14h35_conv.root");
   //DD -> setTree("../data/bb7_3309-7_bi207_20210209_12h50_run10_conv.root");
   int dlen = DD -> getLength();
+  // read a limited  number of events
+  if (nevents > 0) dlen = nevents;
+  std::cout << "Reading the first " << dlen << " entries\n";
 
-  while (DD -> getCursor() < 49970)
-    //while (DD -> getCursor() < dlen)
+  while (DD -> getCursor() < dlen)
   {
     // cout number of entries treated
     if (DD -> getCursor() % 10000 == 0) {