| 1 | /* ======================================================================== *\
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| 2 | !
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| 3 | ! *
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| 4 | ! * This file is part of MARS, the MAGIC Analysis and Reconstruction
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| 5 | ! * Software. It is distributed to you in the hope that it can be a useful
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| 6 | ! * and timesaving tool in analysing Data of imaging Cerenkov telescopes.
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| 7 | ! * It is distributed WITHOUT ANY WARRANTY.
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| 8 | ! *
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| 9 | ! * Permission to use, copy, modify and distribute this software and its
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| 10 | ! * documentation for any purpose is hereby granted without fee,
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| 11 | ! * provided that the above copyright notice appear in all copies and
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| 12 | ! * that both that copyright notice and this permission notice appear
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| 13 | ! * in supporting documentation. It is provided "as is" without express
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| 14 | ! * or implied warranty.
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| 15 | ! *
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| 16 | !
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| 17 | ! Author(s): Abelardo Moralejo 1/2005 <mailto:moralejo@pd.infn.it>!
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| 18 | !
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| 19 | ! Copyright: MAGIC Software Development, 2000-2003
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| 20 | !
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| 21 | !
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| 22 | \* ======================================================================== */
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| 23 |
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| 24 | ///////////////////////////////////////////////////////////////////////////////////////
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| 25 | //
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| 26 | // Macro trainsubsample.C
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| 27 | //
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| 28 | // Reads a star file from real data, and makes a subsample of it, adding a "fake"
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| 29 | // MMcEvt container with MMcEvt.fPartId=14. This intended to produce, from real data,
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| 30 | // a "hadron training file" to be used in random forest (or other) g/h separation. The
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| 31 | // MMcEvt container is added so that whatever the method will consider these (real)
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| 32 | // showers to be all protons (before cuts, most will be, even in the case of strong
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| 33 | // source as Crab).
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| 34 | //
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| 35 | /////////////////////////////////////////////////////////////////////////////////////
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| 36 |
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| 37 | void trainsubsample()
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| 38 | {
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| 39 | MParList plist;
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| 40 | MTaskList tlist;
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| 41 |
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| 42 | plist.AddToList(&tlist);
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| 43 |
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| 44 | MReadMarsFile read("Events", "star_20040918_CrabNebulaW2.root");
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| 45 |
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| 46 | MFEventSelector evsel;
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| 47 |
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| 48 | Float_t nevents = 50000; // Number of events to select.
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| 49 | Float_t ratio = nevents / (Float_t) read.GetEntries();
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| 50 |
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| 51 | evsel.SetSelectionRatio(ratio); // Fraction of events in output
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| 52 |
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| 53 | read.DisableAutoScheme();
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| 54 | tlist.AddToList(&read);
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| 55 |
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| 56 | MMcEvt* mcevt = new MMcEvt;
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| 57 | mcevt->SetPartId(14);
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| 58 | plist.AddToList(mcevt);
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| 59 |
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| 60 | MWriteRootFile write("star_train_20040918_CrabNebulaW2.root", "recreate");
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| 61 |
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| 62 | write.AddContainer("MMcEvt", "Events", kFALSE);
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| 63 | write.AddContainer("MHillas", "Events");
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| 64 | write.AddContainer("MHillasExt", "Events");
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| 65 | write.AddContainer("MImagePar", "Events");
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| 66 | write.AddContainer("MNewImagePar", "Events");
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| 67 | write.AddContainer("MHillasSrc", "Events");
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| 68 | write.AddContainer("MSrcPosCam", "Events");
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| 69 | write.AddContainer("MConcentration", "Events", kFALSE);
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| 70 | write.AddContainer("MPointingPos", "Events", kFALSE);
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| 71 |
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| 72 |
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| 73 | write.AddContainer("MGeomCam", "RunHeaders", kFALSE);
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| 74 | write.AddContainer("MMcConfigRunHeader", "RunHeaders", kFALSE);
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| 75 | write.AddContainer("MMcCorsikaRunHeader", "RunHeaders", kFALSE);
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| 76 | write.AddContainer("MMcFadcHeader", "RunHeaders", kFALSE);
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| 77 | write.AddContainer("MMcTrigHeader", "RunHeaders", kFALSE);
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| 78 |
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| 79 | write.AddContainer("MRawRunHeader", "RunHeaders");
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| 80 | write.AddContainer("MMcRunHeader", "RunHeaders", kFALSE);
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| 81 |
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| 82 | write.SetFilter(&evsel);
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| 83 |
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| 84 | tlist.AddToList(&evsel);
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| 85 | tlist.AddToList(&write);
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| 86 |
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| 87 | MEvtLoop evtloop;
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| 88 | evtloop.SetParList(&plist);
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| 89 |
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| 90 | MProgressBar *bar = new MProgressBar;
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| 91 | evtloop.SetProgressBar(bar);
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| 92 |
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| 93 | //
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| 94 | // Execute your analysis
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| 95 | //
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| 96 | if (!evtloop.Eventloop())
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| 97 | return;
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| 98 |
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| 99 | tlist.PrintStatistics();
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| 100 |
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| 101 | bar->DestroyWindow();
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| 102 |
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| 103 | return;
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| 104 | }
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