TrackingHelpers.cxx

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/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/
#include "MuonTrackEvent/TrackingHelpers.h"
#include "MuonPatternEvent/MuonPatternContainer.h"
namespace MuonR4{
    const Segment* detailedSegment(const xAOD::MuonSegment& seg) {
        using SegLink_t = ElementLink<SegmentContainer>;
        static const SG::ConstAccessor<SegLink_t> acc{"parentSegment"};
        if (acc.isAvailable(seg)){
           const SegLink_t& link{acc(seg)};
           if (link.isValid()){
                return *link;
           }
        }
        return nullptr;
    }
    std::vector<const xAOD::UncalibratedMeasurement*> collectMeasurements(const Segment& seg,
                                                                          bool skipOutlier) {
      std::vector<const xAOD::UncalibratedMeasurement*> out{};
      out.reserve(seg.measurements().size()*2);
      for (const auto& meas : seg.measurements()){
        if (skipOutlier && meas->fitState() != CalibratedSpacePoint::State::Valid) {
          continue;
        }
        // Remove the external constraints
        const SpacePoint* sp = meas->spacePoint();
        if (!sp) {
          continue;
        }
        out.emplace_back(sp->primaryMeasurement());
        if (sp->secondaryMeasurement()) {
          out.emplace_back(sp->secondaryMeasurement());
        }
      }
      return out;
    }
}