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--- fcs:eic:intro [2017/04/03 00:51]
hepsim17 [Using C++]
+++ fcs:eic:intro [2017/04/04 15:36] (current)
hepsim17 [Using C++]
@@ Line 206: / Line 206: @@
       if (nEvents==0) UTIL::LCTOOLS::dumpEvent( evt ) ;
            cout << "  Run : " << evt->getRunNumber() << " Detector: "      << evt->getDetectorName() <<  endl ;
+           const LCParameters& params=evt->getParameters();
            // print stored EVGEN parameters
            StringVec floatKeys ;
@@ Line 268: / Line 270: @@
  parameter EVGEN:ID2 [int]: 2212
  parameter EVGEN:ProcessID [int]: 10
- parameter EVGEN:DIS:Q2 [float]: 12.4407   // Truth-level Q^2
+ parameter EVGEN:DIS:Q2 [float]: 12.4407      // Truth-level Q^2
- parameter EVGEN:DIS:W [float]: 69.6586    // Truth-level W
+ parameter EVGEN:DIS:W [float]: 69.6586       // Truth-level W
  parameter EVGEN:DIS:XBJ [float]: 0.00255778  // Truth_level x_bjorken
  parameter EVGEN:DIS:YBJ [float]: 0.243193    // Truth_level y_bjorken
 </code>
+Note that SLCIO files have two records representing truth level MC: MCParticle and MCInfo. MCInfo includes information on generated events.
+See the example how this record was created in [[https://github.com/Argonne-National-Laboratory/ProMC/blob/master/examples/promc2lcio/promc2lcio.java|promc2lcio.java]]
  --- //[[[email protected]|Sergei Chekanov]] 2016/09/19 07:06//