refactor!: converge to naming sourceLink (#3647)

Alignment/include/ActsAlignment/Kernel/Alignment.hpp

@@ -149,7 +149,7 @@ struct Alignment {
   /// @tparam fit_options_t The fit options type
   ///
   /// @param gctx The current geometry context object
-  /// @param sourcelinks The fittable uncalibrated measurements
+  /// @param sourceLinks The fittable uncalibrated measurements
   /// @param sParameters The initial track parameters
   /// @param fitOptions The fit Options steering the fit
   /// @param idxedAlignSurfaces The idxed surfaces to be aligned
@@ -161,7 +161,7 @@ struct Alignment {
             typename fit_options_t>
   Acts::Result<detail::TrackAlignmentState> evaluateTrackAlignmentState(
       const Acts::GeometryContext& gctx,
-      const std::vector<source_link_t>& sourcelinks,
+      const std::vector<source_link_t>& sourceLinks,
       const start_parameters_t& sParameters, const fit_options_t& fitOptions,
       const std::unordered_map<const Acts::Surface*, std::size_t>&
           idxedAlignSurfaces,

Alignment/include/ActsAlignment/Kernel/Alignment.ipp

@@ -15,7 +15,7 @@ template <typename source_link_t, typename start_parameters_t,
 Acts::Result<ActsAlignment::detail::TrackAlignmentState>
 ActsAlignment::Alignment<fitter_t>::evaluateTrackAlignmentState(
     const Acts::GeometryContext& gctx,
-    const std::vector<source_link_t>& sourcelinks,
+    const std::vector<source_link_t>& sourceLinks,
     const start_parameters_t& sParameters, const fit_options_t& fitOptions,
     const std::unordered_map<const Acts::Surface*, std::size_t>&
         idxedAlignSurfaces,
@@ -24,8 +24,8 @@ ActsAlignment::Alignment<fitter_t>::evaluateTrackAlignmentState(
                               Acts::VectorMultiTrajectory{}};
 
   // Convert to Acts::SourceLink during iteration
-  Acts::SourceLinkAdapterIterator begin{sourcelinks.begin()};
-  Acts::SourceLinkAdapterIterator end{sourcelinks.end()};
+  Acts::SourceLinkAdapterIterator begin{sourceLinks.begin()};
+  Acts::SourceLinkAdapterIterator end{sourceLinks.end()};
 
   // Perform the fit
   auto fitRes = m_fitter.fit(begin, end, sParameters, fitOptions, tracks);
@@ -82,13 +82,13 @@ void ActsAlignment::Alignment<fitter_t>::calculateAlignmentParameters(
   alignResult.numTracks = trajectoryCollection.size();
   double sumChi2ONdf = 0;
   for (unsigned int iTraj = 0; iTraj < trajectoryCollection.size(); iTraj++) {
-    const auto& sourcelinks = trajectoryCollection.at(iTraj);
+    const auto& sourceLinks = trajectoryCollection.at(iTraj);
     const auto& sParameters = startParametersCollection.at(iTraj);
     // Set the target surface
     fitOptionsWithRefSurface.referenceSurface = &sParameters.referenceSurface();
     // The result for one single track
     auto evaluateRes = evaluateTrackAlignmentState(
-        fitOptions.geoContext, sourcelinks, sParameters,
+        fitOptions.geoContext, sourceLinks, sParameters,
         fitOptionsWithRefSurface, alignResult.idxedAlignSurfaces, alignMask);
     if (!evaluateRes.ok()) {
       ACTS_DEBUG("Evaluation of alignment state for track " << iTraj

Core/include/Acts/EventData/SourceLink.hpp

@@ -34,7 +34,7 @@ class SourceLink final {
   SourceLink& operator=(const SourceLink& other) = default;
   SourceLink& operator=(SourceLink&& other) = default;
 
-  /// Constructor from concrete sourcelink
+  /// Constructor from concrete source link
   /// @tparam T The source link type
   /// @param upstream The upstream source link to store
   template <typename T>

Core/include/Acts/EventData/VectorMultiTrajectory.hpp

@@ -157,8 +157,8 @@ class VectorMultiTrajectoryBase {
     double pathLength = 0;
     TrackStateType::raw_type typeFlags{};
 
-    IndexType iuncalibrated = kInvalid;
-    IndexType icalibratedsourcelink = kInvalid;
+    IndexType iUncalibrated = kInvalid;
+    IndexType iCalibratedSourceLink = kInvalid;
     IndexType measdim = kInvalid;
 
     TrackStatePropMask allocMask = TrackStatePropMask::None;
@@ -209,7 +209,7 @@ class VectorMultiTrajectoryBase {
       case "projector"_hash:
         return instance.m_index[istate].iprojector != kInvalid;
       case "uncalibratedSourceLink"_hash:
-        return instance.m_sourceLinks[instance.m_index[istate].iuncalibrated]
+        return instance.m_sourceLinks[instance.m_index[istate].iUncalibrated]
             .has_value();
       case "previous"_hash:
       case "next"_hash:
@@ -304,7 +304,7 @@ class VectorMultiTrajectoryBase {
   }
 
   SourceLink getUncalibratedSourceLink_impl(IndexType istate) const {
-    return m_sourceLinks[m_index[istate].iuncalibrated].value();
+    return m_sourceLinks[m_index[istate].iUncalibrated].value();
   }
 
   const Surface* referenceSurface_impl(IndexType istate) const {
@@ -485,7 +485,7 @@ class VectorMultiTrajectory final
 
   void setUncalibratedSourceLink_impl(IndexType istate,
                                       SourceLink&& sourceLink) {
-    m_sourceLinks[m_index[istate].iuncalibrated] = std::move(sourceLink);
+    m_sourceLinks[m_index[istate].iUncalibrated] = std::move(sourceLink);
   }
 
   void setReferenceSurface_impl(IndexType istate,

Core/include/Acts/TrackFinding/CombinatorialKalmanFilter.hpp

@@ -165,7 +165,7 @@ struct CombinatorialKalmanFilterOptions {
       : geoContext(gctx),
         magFieldContext(mctx),
         calibrationContext(cctx),
-        sourcelinkAccessor(std::move(accessor_)),
+        sourceLinkAccessor(std::move(accessor_)),
         extensions(extensions_),
         propagatorPlainOptions(pOptions),
         multipleScattering(mScattering),
@@ -182,7 +182,7 @@ struct CombinatorialKalmanFilterOptions {
   std::reference_wrapper<const CalibrationContext> calibrationContext;
 
   /// The source link accessor
-  SourceLinkAccessor sourcelinkAccessor;
+  SourceLinkAccessor sourceLinkAccessor;
 
   /// The filter extensions
   CombinatorialKalmanFilterExtensions<track_container_t> extensions;
@@ -199,7 +199,7 @@ struct CombinatorialKalmanFilterOptions {
 
   /// Delegate definition to create track states for selected measurements
   ///
-  /// @note expected to iterator over the given sourcelink range,
+  /// @note expected to iterator over the given sourceLink range,
   ///       select measurements, and create track states for
   ///       which new tips are to be created, more over the outlier
   ///       flag should be set for states that are outlier.
@@ -208,8 +208,8 @@ struct CombinatorialKalmanFilterOptions {
   /// @param calibrationContext pointer to the current calibration context
   /// @param surface the surface at which new track states are to be created
   /// @param boundState the current bound state of the trajectory
-  /// @param slBegin Begin iterator for sourcelinks
-  /// @param slEnd End iterator for sourcelinks
+  /// @param slBegin Begin iterator for sourceLinks
+  /// @param slEnd End iterator for sourceLinks
   /// @param prevTip Index pointing at previous trajectory state (i.e. tip)
   /// @param bufferTrajectory a temporary trajectory which can be used to create temporary track states
   /// @param trackStateCandidates a temporary buffer that can be used to collect track states
@@ -332,8 +332,8 @@ class CombinatorialKalmanFilter {
     /// @param calibrationContext pointer to the current calibration context
     /// @param surface the surface the sourceLinks are associated to
     /// @param boundState Bound state from the propagation on this surface
-    /// @param slBegin Begin iterator for sourcelinks
-    /// @param slEnd End iterator for sourcelinks
+    /// @param slBegin Begin iterator for sourceLinks
+    /// @param slEnd End iterator for sourceLinks
     /// @param prevTip Index pointing at previous trajectory state (i.e. tip)
     /// @param bufferTrajectory a buffer for temporary candidate track states
     /// @param trackStateCandidates a buffer for temporary track state proxies for candidates
@@ -725,7 +725,7 @@ class CombinatorialKalmanFilter {
 
       std::size_t nBranchesOnSurface = 0;
 
-      if (auto [slBegin, slEnd] = m_sourcelinkAccessor(*surface);
+      if (auto [slBegin, slEnd] = m_sourceLinkAccessor(*surface);
           slBegin != slEnd) {
         // Screen output message
         ACTS_VERBOSE("Measurement surface " << surface->geometryId()
@@ -1175,17 +1175,16 @@ class CombinatorialKalmanFilter {
     CombinatorialKalmanFilterExtensions<track_container_t> m_extensions;
 
     /// The source link accessor
-    source_link_accessor_t m_sourcelinkAccessor;
+    source_link_accessor_t m_sourceLinkAccessor;
 
-    using source_link_iterator_t =
-        decltype(std::declval<decltype(m_sourcelinkAccessor(
+    using SourceLinkIterator =
+        decltype(std::declval<decltype(m_sourceLinkAccessor(
                      *static_cast<const Surface*>(nullptr)))>()
                      .first);
 
     using TrackStateCandidateCreator =
         typename CombinatorialKalmanFilterOptions<
-            source_link_iterator_t,
-            track_container_t>::TrackStateCandidateCreator;
+            SourceLinkIterator, track_container_t>::TrackStateCandidateCreator;
 
     /// the stateCandidator to be used
     /// @note will be set to a default trackStateCandidateCreator or the one
@@ -1274,7 +1273,7 @@ class CombinatorialKalmanFilter {
     combKalmanActor.calibrationContextPtr = &tfOptions.calibrationContext.get();
 
     // copy source link accessor, calibrator and measurement selector
-    combKalmanActor.m_sourcelinkAccessor = tfOptions.sourcelinkAccessor;
+    combKalmanActor.m_sourceLinkAccessor = tfOptions.sourceLinkAccessor;
     combKalmanActor.m_extensions = tfOptions.extensions;
     combKalmanActor.trackStateCandidateCreator =
         tfOptions.trackStateCandidateCreator;

Core/include/Acts/TrackFitting/GlobalChiSquareFitter.hpp

@@ -689,8 +689,8 @@ class Gx2Fitter {
       }
 
       // Here we handle all measurements
-      if (auto sourcelink_it = inputMeasurements->find(geoId);
-          sourcelink_it != inputMeasurements->end()) {
+      if (auto sourceLinkIt = inputMeasurements->find(geoId);
+          sourceLinkIt != inputMeasurements->end()) {
         ACTS_DEBUG("    The surface contains a measurement.");
 
         // Transport the covariance to the surface
@@ -755,7 +755,7 @@ class Gx2Fitter {
         // We have smoothed parameters, so calibrate the uncalibrated input
         // measurement
         extensions.calibrator(state.geoContext, *calibrationContext,
-                              sourcelink_it->second, trackStateProxy);
+                              sourceLinkIt->second, trackStateProxy);
 
         // Get and set the type flags
         auto typeFlags = trackStateProxy.typeFlags();

Core/include/Acts/TrackFitting/KalmanFitter.hpp

@@ -591,8 +591,8 @@ class KalmanFitter {
                         const stepper_t& stepper, const navigator_t& navigator,
                         result_type& result) const {
       // Try to find the surface in the measurement surfaces
-      auto sourcelink_it = inputMeasurements->find(surface->geometryId());
-      if (sourcelink_it != inputMeasurements->end()) {
+      auto sourceLinkIt = inputMeasurements->find(surface->geometryId());
+      if (sourceLinkIt != inputMeasurements->end()) {
         // Screen output message
         ACTS_VERBOSE("Measurement surface " << surface->geometryId()
                                             << " detected.");
@@ -608,7 +608,7 @@ class KalmanFitter {
         // point in performing globalToLocal correction)
         auto trackStateProxyRes = detail::kalmanHandleMeasurement(
             *calibrationContext, state, stepper, extensions, *surface,
-            sourcelink_it->second, *result.fittedStates, result.lastTrackIndex,
+            sourceLinkIt->second, *result.fittedStates, result.lastTrackIndex,
             false, logger());
 
         if (!trackStateProxyRes.ok()) {
@@ -699,8 +699,8 @@ class KalmanFitter {
                                 const navigator_t& navigator,
                                 result_type& result) const {
       // Try to find the surface in the measurement surfaces
-      auto sourcelink_it = inputMeasurements->find(surface->geometryId());
-      if (sourcelink_it != inputMeasurements->end()) {
+      auto sourceLinkIt = inputMeasurements->find(surface->geometryId());
+      if (sourceLinkIt != inputMeasurements->end()) {
         // Screen output message
         ACTS_VERBOSE("Measurement surface "
                      << surface->geometryId()
@@ -761,7 +761,7 @@ class KalmanFitter {
         // We have predicted parameters, so calibrate the uncalibrated input
         // measurement
         extensions.calibrator(state.geoContext, *calibrationContext,
-                              sourcelink_it->second, trackStateProxy);
+                              sourceLinkIt->second, trackStateProxy);
 
         // If the update is successful, set covariance and
         auto updateRes =
@@ -1084,7 +1084,7 @@ class KalmanFitter {
     ACTS_VERBOSE("Preparing " << std::distance(it, end)
                               << " input measurements");
     std::map<GeometryIdentifier, SourceLink> inputMeasurements;
-    // for (const auto& sl : sourcelinks) {
+    // for (const auto& sl : sourceLinks) {
     for (; it != end; ++it) {
       SourceLink sl = *it;
       const Surface* surface = kfOptions.extensions.surfaceAccessor(sl);

Core/include/Acts/TrackFitting/detail/GsfActor.hpp

@@ -206,13 +206,13 @@ struct GsfActor {
     result.visitedSurfaces.push_back(&surface);
 
     // Check what we have on this surface
-    const auto found_source_link =
+    const auto foundSourceLink =
         m_cfg.inputMeasurements->find(surface.geometryId());
     const bool haveMaterial =
         navigator.currentSurface(state.navigation)->surfaceMaterial() &&
         !m_cfg.disableAllMaterialHandling;
     const bool haveMeasurement =
-        found_source_link != m_cfg.inputMeasurements->end();
+        foundSourceLink != m_cfg.inputMeasurements->end();
 
     ACTS_VERBOSE(std::boolalpha << "haveMaterial " << haveMaterial
                                 << ", haveMeasurement: " << haveMeasurement);
@@ -263,7 +263,7 @@ struct GsfActor {
       TemporaryStates tmpStates;
 
       auto res = kalmanUpdate(state, stepper, navigator, result, tmpStates,
-                              found_source_link->second);
+                              foundSourceLink->second);
 
       if (!res.ok()) {
         setErrorOrAbort(res.error());
@@ -281,7 +281,7 @@ struct GsfActor {
 
       if (haveMeasurement) {
         res = kalmanUpdate(state, stepper, navigator, result, tmpStates,
-                           found_source_link->second);
+                           foundSourceLink->second);
       } else {
         res = noMeasurementUpdate(state, stepper, navigator, result, tmpStates,
                                   false);
@@ -547,7 +547,7 @@ struct GsfActor {
   Result<void> kalmanUpdate(propagator_state_t& state, const stepper_t& stepper,
                             const navigator_t& navigator, result_type& result,
                             TemporaryStates& tmpStates,
-                            const SourceLink& source_link) const {
+                            const SourceLink& sourceLink) const {
     const auto& surface = *navigator.currentSurface(state.navigation);
 
     // Boolean flag, to distinguish measurement and outlier states. This flag
@@ -563,7 +563,7 @@ struct GsfActor {
 
       auto trackStateProxyRes = detail::kalmanHandleMeasurement(
           *m_cfg.calibrationContext, singleState, singleStepper,
-          m_cfg.extensions, surface, source_link, tmpStates.traj,
+          m_cfg.extensions, surface, sourceLink, tmpStates.traj,
           MultiTrajectoryTraits::kInvalid, false, logger());
 
       if (!trackStateProxyRes.ok()) {

Core/include/Acts/TrackFitting/detail/KalmanUpdateHelpers.hpp

@@ -27,7 +27,7 @@ namespace Acts::detail {
 /// @param stepper The stepper
 /// @param extensions The extension used for the update
 /// @param surface The current surface
-/// @param source_link The source-link used for the update
+/// @param sourceLink The source link used for the update
 /// @param fittedStates The Multitrajectory to that we add the state
 /// @param lastTrackIndex The parent index for the new state in the MT
 /// @param doCovTransport Whether to perform a covariance transport when
@@ -38,7 +38,7 @@ template <typename propagator_state_t, typename stepper_t,
 auto kalmanHandleMeasurement(
     const CalibrationContext &calibrationContext, propagator_state_t &state,
     const stepper_t &stepper, const extensions_t &extensions,
-    const Surface &surface, const SourceLink &source_link, traj_t &fittedStates,
+    const Surface &surface, const SourceLink &sourceLink, traj_t &fittedStates,
     const std::size_t lastTrackIndex, bool doCovTransport, const Logger &logger,
     const FreeToBoundCorrection &freeToBoundCorrection = FreeToBoundCorrection(
         false)) -> Result<typename traj_t::TrackStateProxy> {
@@ -75,7 +75,7 @@ auto kalmanHandleMeasurement(
 
   // We have predicted parameters, so calibrate the uncalibrated input
   // measurement
-  extensions.calibrator(state.geoContext, calibrationContext, source_link,
+  extensions.calibrator(state.geoContext, calibrationContext, sourceLink,
                         trackStateProxy);
 
   // Get and set the type flags

Core/src/EventData/VectorMultiTrajectory.cpp

@@ -67,14 +67,14 @@ auto VectorMultiTrajectory::addTrackState_impl(
   }
 
   m_sourceLinks.emplace_back(std::nullopt);
-  p.iuncalibrated = m_sourceLinks.size() - 1;
+  p.iUncalibrated = m_sourceLinks.size() - 1;
 
   m_measOffset.push_back(kInvalid);
   m_measCovOffset.push_back(kInvalid);
 
   if (ACTS_CHECK_BIT(mask, PropMask::Calibrated)) {
     m_sourceLinks.emplace_back(std::nullopt);
-    p.icalibratedsourcelink = m_sourceLinks.size() - 1;
+    p.iCalibratedSourceLink = m_sourceLinks.size() - 1;
 
     m_projectors.push_back(0);
     p.iprojector = m_projectors.size() - 1;
@@ -129,7 +129,7 @@ void VectorMultiTrajectory::addTrackStateComponents_impl(
   if (ACTS_CHECK_BIT(mask, PropMask::Calibrated) &&
       !ACTS_CHECK_BIT(currentMask, PropMask::Calibrated)) {
     m_sourceLinks.emplace_back(std::nullopt);
-    p.icalibratedsourcelink = m_sourceLinks.size() - 1;
+    p.iCalibratedSourceLink = m_sourceLinks.size() - 1;
 
     m_projectors.push_back(0);
     p.iprojector = m_projectors.size() - 1;

Examples/Algorithms/TrackFinding/include/ActsExamples/TrackFinding/TrackFindingAlgorithm.hpp

@@ -154,7 +154,7 @@ class TrackFindingAlgorithm final : public IAlgorithm {
 
  private:
   template <typename source_link_accessor_container_t>
-  void computeSharedHits(const source_link_accessor_container_t& sourcelinks,
+  void computeSharedHits(const source_link_accessor_container_t& sourceLinks,
                          TrackContainer& tracks) const;
 
   ActsExamples::ProcessCode finalize() override;

Examples/Algorithms/TrackFinding/src/GbtsSeedingAlgorithm.cpp

@@ -197,19 +197,18 @@ ActsExamples::GbtsSeedingAlgorithm::MakeGbtsSpacePoints(
 
       // Gbts space point vector
       // loop over space points, call on map
-      const auto &source_link = spacePoint.sourceLinks();
-      const auto &index_source_link =
-          source_link.front().get<IndexSourceLink>();
+      const auto &sourceLink = spacePoint.sourceLinks();
+      const auto &indexSourceLink = sourceLink.front().get<IndexSourceLink>();
 
       // warning if source link empty
-      if (source_link.empty()) {
+      if (sourceLink.empty()) {
         // warning in officaial acts format
         ACTS_WARNING("warning source link vector is empty");
         continue;
       }
-      int ACTS_vol_id = index_source_link.geometryId().volume();
-      int ACTS_lay_id = index_source_link.geometryId().layer();
-      int ACTS_mod_id = index_source_link.geometryId().sensitive();
+      int ACTS_vol_id = indexSourceLink.geometryId().volume();
+      int ACTS_lay_id = indexSourceLink.geometryId().layer();
+      int ACTS_mod_id = indexSourceLink.geometryId().sensitive();
 
       // dont want strips or HGTD
       if (ACTS_vol_id == 2 || ACTS_vol_id == 22 || ACTS_vol_id == 23 ||