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| 2 | /** \class ExRootProgressBar
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| 3 | *
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| 4 | * Class showing progress bar
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| 5 | *
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| 6 | * $Date: 2008-06-04 13:57:55 $
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| 7 | * $Revision: 1.1 $
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| 8 | *
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| 9 | *
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| 10 | * \author P. Demin - UCL, Louvain-la-Neuve
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| 11 | *
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| 12 | */
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| 13 |
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| 14 | #include "ExRootAnalysis/ExRootProgressBar.h"
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| 15 |
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| 16 | #include "TSystem.h"
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| 17 |
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| 18 | #include <iostream>
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| 19 |
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| 20 | #include <string.h>
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| 21 | #include <stdio.h>
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| 22 |
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| 23 | using namespace std;
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| 24 |
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| 25 | ExRootProgressBar::ExRootProgressBar(Long64_t entries, Int_t width) :
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| 26 | fEntries(entries), fWidth(width), fTime(0), fHashes(0), fBar(0)
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| 27 | {
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| 28 | fBar = new char[width + 1];
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| 29 | memset(fBar, '-', width);
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| 30 | fBar[width] = 0;
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| 31 |
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| 32 | }
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| 33 |
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| 34 | //------------------------------------------------------------------------------
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| 35 |
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| 36 | ExRootProgressBar::~ExRootProgressBar()
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| 37 | {
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| 38 | if(fBar) delete[] fBar;
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| 39 | }
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| 40 |
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| 41 | //------------------------------------------------------------------------------
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| 42 |
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| 43 | void ExRootProgressBar::Update(Long64_t entry)
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| 44 | {
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| 45 | ULong_t time = gSystem->Now();
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| 46 |
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| 47 | if(time < fTime + 1000 && entry < fEntries - 1) return;
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| 48 |
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| 49 | fTime = time;
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| 50 |
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| 51 | Int_t hashes = Int_t((entry + 1.0)/fEntries*fWidth);
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| 52 |
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| 53 | if(hashes > fHashes)
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| 54 | {
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| 55 | memset(fBar + fHashes, '#', hashes - fHashes);
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| 56 | fHashes = hashes;
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| 57 | }
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| 58 |
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| 59 | /*
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| 60 | cerr << "[" << fBar << "] (";
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| 61 | cerr.setf(ios::fixed);
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| 62 | cerr.precision(2);
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| 63 | cerr << (entry + 1.0)/fEntries*100.0 << "%) : ";
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| 64 | cerr << entry + 1 << "/" << fEntries;
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| 65 | cerr << " events processed\r" << flush;
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| 66 | */
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| 67 |
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| 68 | fprintf(stderr, "[%s] (%.2f%%) : %lli/%lli entries processed\r", fBar,
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| 69 | (entry + 1.0)/fEntries*100.0, entry + 1, fEntries);
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| 70 | fflush(stderr);
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| 71 | }
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| 72 |
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| 73 | //------------------------------------------------------------------------------
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| 74 |
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| 75 | void ExRootProgressBar::Finish()
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| 76 | {
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| 77 | fprintf(stderr, "\n");
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| 78 | fflush(stderr);
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| 79 | }
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| 80 |
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| 81 | //------------------------------------------------------------------------------
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| 82 |
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