| 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 | !
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| 18 | ! Author(s): Thomas Bretz 12/2000 <mailto:tbretz@uni-sw.gwdg.de>
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| 19 | !
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| 20 | ! Copyright: MAGIC Software Development, 2000-2001
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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 | // //
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| 27 | // MReadMarsFile //
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| 28 | // //
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| 29 | // This task works more or less like MReadTree, but in addition PreProcess //
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| 30 | // reads all the information from the 'RunHeader' tree. //
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| 31 | // //
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| 32 | // Warning: Until now this works only for 'one run header per file' //
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| 33 | // //
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| 34 | /////////////////////////////////////////////////////////////////////////////
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| 35 |
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| 36 | #include "MReadMarsFile.h"
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| 37 |
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| 38 | #include "MLog.h"
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| 39 | #include "MLogManip.h"
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| 40 |
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| 41 | ClassImp(MReadMarsFile);
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| 42 |
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| 43 | // --------------------------------------------------------------------------
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| 44 | //
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| 45 | // Default constructor. It creates a MReadTree object to read the
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| 46 | // RunHeaders and disables Auto Scheme for this tree.
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| 47 | //
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| 48 | MReadMarsFile::MReadMarsFile(const char *tname, const char *fname,
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| 49 | const char *name, const char *title)
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| 50 | : MReadTree(tname, fname)
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| 51 | {
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| 52 | fName = name ? name : "MReadMarsFile";
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| 53 | fTitle = title ? title : "Task to loop over all events in a tree of a Mars file.";
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| 54 |
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| 55 | //
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| 56 | // open the input stream
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| 57 | //
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| 58 | fRun = new MReadTree("RunHeaders", fname);
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| 59 | fRun->DisableAutoScheme();
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| 60 | }
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| 61 |
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| 62 | // --------------------------------------------------------------------------
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| 63 | //
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| 64 | // Destructor. Deleted the MReadTree object for the RunHeaders
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| 65 | //
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| 66 | MReadMarsFile::~MReadMarsFile()
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| 67 | {
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| 68 | delete fRun;
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| 69 | }
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| 70 |
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| 71 | // --------------------------------------------------------------------------
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| 72 | //
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| 73 | // see MReadTree::AddFile, too. The file is also added to the chain for
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| 74 | // the run headers. If adding file gives a different result for both
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| 75 | // chains -1 is returned, otherwise the number of files which were added.
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| 76 | //
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| 77 | Int_t MReadMarsFile::AddFile(const char *fname)
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| 78 | {
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| 79 | //
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| 80 | // FIXME! A check is missing whether the file already exists or not.
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| 81 | //
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| 82 | //
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| 83 | // returns the number of file which were added
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| 84 | //
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| 85 | Int_t n1 = fRun->AddFile(fname);
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| 86 | Int_t n2 = MReadTree::AddFile(fname);
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| 87 |
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| 88 | return n1 != n2 ? -1 : n1;
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| 89 | }
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| 90 |
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| 91 | // --------------------------------------------------------------------------
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| 92 | //
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| 93 | // This overload MReadTree::Notify. Before the MReadTree Notify
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| 94 | // TObjects are called the RunHeaders of the next files are read.
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| 95 | //
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| 96 | // WARNING: This doesn't work correctly yet, if the files are not read in
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| 97 | // increasing order.
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| 98 | //
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| 99 | Bool_t MReadMarsFile::Notify()
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| 100 | {
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| 101 | if (GetEventNum() == 0)
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| 102 | return kTRUE;
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| 103 |
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| 104 | *fLog << inf << "MReadMarsFile: Switching to next file '" << GetFileName() << "' ";
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| 105 | *fLog << "(before Event #" << GetEventNum()-1 << ")" << endl;
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| 106 | fRun->Process();
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| 107 |
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| 108 | MReadTree::Notify();
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| 109 |
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| 110 | return kTRUE;
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| 111 | }
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| 112 |
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| 113 | // --------------------------------------------------------------------------
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| 114 | //
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| 115 | // PreProcessed the MReadTree to read the run headers and its base class.
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| 116 | // see MReadTree::PreProcess for more information
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| 117 | //
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| 118 | Bool_t MReadMarsFile::PreProcess(MParList *pList)
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| 119 | {
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| 120 | if (!fRun->PreProcess(pList))
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| 121 | return kFALSE;
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| 122 |
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| 123 | return MReadTree::PreProcess(pList);
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| 124 | }
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| 125 |
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