plugins/lw_random_hit_source/RandomHitSource.h

0001
0002 // Copyright 2020-2025, Jefferson Science Associates, LLC.
0003 // Subject to the terms in the LICENSE file found in the top-level directory.
0004
0005 #pragma once
0006
0007 #include <JANA/JEventSource.h>
0008 #include <random>
0009
0010 class RandomHitSource : public JEventSource {
0011
0012     Parameter<int> m_seed {this, "seed", 0, "Random seed"};
0013     Parameter<uint32_t> m_event_width_ns {this, "event_width", 20, "Event width [ns]"};
0014     Parameter<uint32_t> m_expected_clusters_per_event {this, "expected_clusters_per_event", 10, "Expected clusters per event"};
0015     Parameter<int> m_cell_cols {this, "cell_cols", 20, "Number of columns in the detector"};
0016     Parameter<int> m_cell_rows {this, "cell_rows", 10, "Number of rows in the detector"};
0017
0018     uint32_t m_event_start_timestamp_ns = 0;
0019     std::mt19937 m_rng;
0020
0021 public:
0022
0023     RandomHitSource();
0024     virtual ~RandomHitSource() = default;
0025
0026     void Init() override;
0027     Result Emit(JEvent&) override;
0028
0029     static std::string GetDescription();
0030 };
0031