/[PAMELA software]/PamCut/MiscCuts/LTQualCut/LTQualCut.h
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Contents of /PamCut/MiscCuts/LTQualCut/LTQualCut.h

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First import

1 /*
2 * LTQualCut.h
3 *
4 * Created on: 10-mar-2009
5 * Author: Nicola Mori, S. Ricciarini
6 */
7
8 /*! @file LTQualCut.h The LTQualCut class definition file */
9
10 #ifndef LTQUALCUT_H_
11 #define LTQUALCUT_H_
12
13 #include "../../PamCutBase/PamCutBase.h"
14
15 /*! @enum LT_Return Return values for rejected events */
16 enum LT_Return {
17 LT_NEWRUN, ///< Discarded because it is the first event of the run.
18 LT_INVALID
19 ///< Discarded because the LT is greater than timeout.
20 };
21
22 /*! @brief The live-time data quality cut: rejects the first event of each run and events with LT greater than an upper threshold (or with LT smaller than 0).
23 */
24 class LTQualCut: public PamCut {
25
26 public:
27 /*! @brief Constructor.
28 *
29 * @param cutName The cut's name.
30 * @param threshold The live time maximum accepted value in ms. It is the value above which a live time is
31 * considered invalid. It must be less than the trigger timeout on IDAQ board, which
32 * is ~ 4600 ms. Default is 4500 (use of different values must be justified).
33 */
34 LTQualCut(const char* cutName, float threshold=4500) :
35 PamCut(cutName), _previousRun(numeric_limits<UInt_t>::max()), _LT(-1.), _timeout(threshold) {
36 }
37 /*! @brief Destructor. */
38 ~LTQualCut() {
39 }
40
41 /*! @brief The live time quality check.
42 *
43 * @param event The event to analyze.
44 * @return #CUTOK if LT < timeout.
45 * @return #LT_INVALID if LT > timeout.
46 * @return #LT_NEWRUN if the event is at the beginning of the run.
47 */
48 int Check(PamLevel2 *event);
49
50 /*! @brief Returns the live time of the last examined event.
51 *
52 * @return The live time of the last examined event in ms (-1 -> first event of the run).
53 */
54 float GetLT() { return _LT; }
55
56 private:
57 unsigned int _previousRun;
58 float _LT;
59 float _timeout;
60 };
61
62 #endif /* LTQUALCUT_H_ */

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