tests/algorithms_test/calorimetry_CalorimeterHitDigi.cc

0001 // SPDX-License-Identifier: LGPL-3.0-or-later
0002 // Copyright (C) 2023 - 2025, Dmitry Kalinkin
0003
0004 #include <DD4hep/Detector.h>
0005 #include <DD4hep/IDDescriptor.h>
0006 #include <DD4hep/Readout.h>
0007 #include <Evaluator/DD4hepUnits.h>
0008 #include <algorithms/geo.h>
0009 #include <algorithms/logger.h>
0010 #include <catch2/catch_test_macros.hpp>
0011 #include <edm4eic/MCRecoCalorimeterHitAssociationCollection.h>
0012 #include <edm4hep/CaloHitContributionCollection.h>
0013 #include <edm4hep/EventHeaderCollection.h>
0014 #include <edm4hep/RawCalorimeterHitCollection.h>
0015 #include <edm4hep/SimCalorimeterHitCollection.h>
0016 #include <edm4hep/Vector3f.h>
0017 #include <spdlog/common.h>
0018 #include <spdlog/logger.h>
0019 #include <spdlog/spdlog.h>
0020 #include <cmath>
0021 #include <gsl/pointers>
0022 #include <memory>
0023 #include <string>
0024 #include <utility>
0025 #include <vector>
0026
0027 #include "algorithms/calorimetry/CalorimeterHitDigi.h"
0028 #include "algorithms/calorimetry/CalorimeterHitDigiConfig.h"
0029
0030 using eicrecon::CalorimeterHitDigi;
0031 using eicrecon::CalorimeterHitDigiConfig;
0032
0033 TEST_CASE("the clustering algorithm runs", "[CalorimeterHitDigi]") {
0034   std::shared_ptr<spdlog::logger> logger = spdlog::default_logger()->clone("CalorimeterHitDigi");
0035   logger->set_level(spdlog::level::trace);
0036
0037   auto detector = algorithms::GeoSvc::instance().detector();
0038   auto id_desc  = detector->readout("MockCalorimeterHits").idSpec();
0039
0040   CalorimeterHitDigi algo("test");
0041
0042   CalorimeterHitDigiConfig cfg;
0043   cfg.threshold     = 0. /* GeV */;
0044   cfg.corrMeanScale = "1.";
0045
0046   // Keep smearing parameters at zero
0047   cfg.pedSigmaADC = 0;
0048   cfg.tRes        = 0. * dd4hep::ns;
0049   cfg.eRes        = {0. * sqrt(dd4hep::GeV), 0., 0. * dd4hep::GeV};
0050   cfg.readout     = "MockCalorimeterHits";
0051
0052   SECTION("single hit with couple contributions") {
0053     cfg.capADC        = 555;
0054     cfg.dyRangeADC    = 5.0 /* GeV */;
0055     cfg.pedMeanADC    = 123;
0056     cfg.resolutionTDC = 1.0 * dd4hep::ns;
0057     algo.level(algorithms::LogLevel(spdlog::level::trace));
0058     algo.applyConfig(cfg);
0059     algo.init();
0060
0061     auto headers = std::make_unique<edm4hep::EventHeaderCollection>();
0062     auto header  = headers->create(1, 1, 12345678, 1.0);
0063
0064     auto calohits = std::make_unique<edm4hep::CaloHitContributionCollection>();
0065     auto simhits  = std::make_unique<edm4hep::SimCalorimeterHitCollection>();
0066     auto mhit     = simhits->create(
0067         id_desc.encode({{"system", 255}, {"x", 0}, {"y", 0}}),     // std::uint64_t cellID,
0068         1.0 /* GeV */,                                             // float energy
0069         edm4hep::Vector3f({0. /* mm */, 0. /* mm */, 0. /* mm */}) // edm4hep::Vector3f position
0070     );
0071     mhit.addToContributions(calohits->create(
0072         0,                                                         // std::int32_t PDG
0073         0.5 /* GeV */,                                             // float energy
0074         7.0 /* ns */,                                              // float time
0075         edm4hep::Vector3f({0. /* mm */, 0. /* mm */, 0. /* mm */}) // edm4hep::Vector3f stepPosition
0076         ));
0077     mhit.addToContributions(calohits->create(
0078         0,                                                         // std::int32_t PDG
0079         0.5 /* GeV */,                                             // float energy
0080         9.0 /* ns */,                                              // float time
0081         edm4hep::Vector3f({0. /* mm */, 0. /* mm */, 0. /* mm */}) // edm4hep::Vector3f stepPosition
0082         ));
0083
0084     auto rawhits   = std::make_unique<edm4hep::RawCalorimeterHitCollection>();
0085     auto rawassocs = std::make_unique<edm4eic::MCRecoCalorimeterHitAssociationCollection>();
0086     algo.process({headers.get(), simhits.get()}, {rawhits.get(), rawassocs.get()});
0087
0088     REQUIRE((*rawhits).size() == 1);
0089     REQUIRE((*rawhits)[0].getCellID() == id_desc.encode({{"system", 255}, {"x", 0}, {"y", 0}}));
0090     REQUIRE((*rawhits)[0].getAmplitude() == 123 + 111);
0091     REQUIRE((*rawhits)[0].getTimeStamp() == 7); // currently, earliest contribution is returned
0092
0093     REQUIRE((*rawassocs).size() == 1);
0094     REQUIRE((*rawassocs)[0].getSimHit() == (*simhits)[0]);
0095     REQUIRE((*rawassocs)[0].getRawHit() == (*rawhits)[0]);
0096   }
0097 }