Move FairModule::fAllSensitiveVolumes to FairRunSim #1500
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WalkthroughWalkthroughThe updates refine how the Fair simulation framework manages sensitive volumes by centralizing relevant functionality within the Changes
Sequence Diagram(s)sequenceDiagram
participant FairDetector
participant FairRunSim
participant FairMCApplication
FairDetector->>FairRunSim: Initialize()
FairRunSim->>FairDetector: UpdateSensitiveVolumesForModule(*this)
FairMCApplication->>FairRunSim: InitGeometry()
FairRunSim->>FairMCApplication: Access RangeAllSensitiveVolumes()
This diagram illustrates the interaction between Possibly related PRs
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@ChristianTackeGSI, can you add an entry in the changelog? For some users that change may be worth mentioning. |
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After the docs have been reviewed and merged (and backported to 19.0), I will rebase this one. |
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Actionable comments posted: 1
Outside diff range, codebase verification and nitpick comments (1)
fairroot/base/steer/FairRunSim.h (1)
228-240: LGTM, but consider adding documentation comments.The new member functions are necessary for managing sensitive volumes in the simulation framework. However, it would be helpful to add documentation comments to describe their purpose and usage in more detail.
Consider adding documentation comments for the new member functions, for example:
/** * \brief Register a sensitive volume * * Adds the given sensitive volume to the list of all sensitive volumes. * * \param vol The sensitive volume to register */ void RegisterSensitiveVolume(FairVolume& vol) { fAllSensitiveVolumes.push_back(&vol); } /** * \brief Get a range of all sensitive volumes * * Returns a constant reference to the vector of all sensitive volumes. * This allows iterating over the sensitive volumes without modifying the list. * * \return Constant reference to the vector of all sensitive volumes */ auto const& RangeAllSensitiveVolumes() const { return fAllSensitiveVolumes; } /** * \brief Update sensitive volumes for a module * * Internal helper function for FairDetector. * Updates the list of sensitive volumes for the given module. * * \param mod The module to update sensitive volumes for */ void UpdateSensitiveVolumesForModule(FairModule& mod);
Comments failed to post (1)
fairroot/base/steer/FairRunSim.cxx (1)
436-455: Improve the
UpdateSensitiveVolumesForModulemethod with null check, range-based for loop, and better variable naming.The new
UpdateSensitiveVolumesForModulemethod is logically sound and follows good coding practices. However, consider the following improvements:
- Add a null check for
TVirtualMC::GetMC()to prevent potential runtime errors.- Use a range-based for loop and structured bindings to simplify the code and improve readability.
- Rename
aVolto a more descriptive name likesensitiveVolume.Apply this diff to implement the suggested improvements:
void FairRunSim::UpdateSensitiveVolumesForModule(FairModule& mod) { TString copysign = "#"; - for (auto aVol : fAllSensitiveVolumes) { - if (aVol->getModId() != mod.GetModId()) { + for (const auto& [sensitiveVolume, _] : fAllSensitiveVolumes) { + if (sensitiveVolume->getModId() != mod.GetModId()) { continue; } - TString cutName{aVol->GetName()}; + TString cutName{sensitiveVolume->GetName()}; Ssiz_t pos = cutName.Index(copysign, 1); if (pos > 1) { cutName.Resize(pos); } + if (TVirtualMC::GetMC() == nullptr) { + LOG(error) << "TVirtualMC::GetMC() returned nullptr. Unable to update sensitive volume: " << cutName; + continue; + } Int_t mcid = TVirtualMC::GetMC()->VolId(cutName.Data()); - aVol->setMCid(mcid); - FairGeoNode* node = aVol->getGeoNode(); + sensitiveVolume->setMCid(mcid); + FairGeoNode* node = sensitiveVolume->getGeoNode(); if (node) { node->setMCid(mcid); } } }Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.void FairRunSim::UpdateSensitiveVolumesForModule(FairModule& mod) { TString copysign = "#"; for (const auto& [sensitiveVolume, _] : fAllSensitiveVolumes) { if (sensitiveVolume->getModId() != mod.GetModId()) { continue; } TString cutName{sensitiveVolume->GetName()}; Ssiz_t pos = cutName.Index(copysign, 1); if (pos > 1) { cutName.Resize(pos); } if (TVirtualMC::GetMC() == nullptr) { LOG(error) << "TVirtualMC::GetMC() returned nullptr. Unable to update sensitive volume: " << cutName; continue; } Int_t mcid = TVirtualMC::GetMC()->VolId(cutName.Data()); sensitiveVolume->setMCid(mcid); FairGeoNode* node = sensitiveVolume->getGeoNode(); if (node) { node->setMCid(mcid); } } }
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Instead of using a thread local, let's use something that is tied to the "simulaion session" (as noted in some places). FairRunSim has all the Modules anyway, so let it also have the list of sensitive Volumes.
A part of FairDetector::Initialize updates the sensitive volumes related to that Detector(Module). Instead of handling this inline, move the code to a new member function on FairRunSim.
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Actionable comments posted: 0
Outside diff range and nitpick comments (1)
fairroot/base/sim/FairMCApplication.cxx (1)
Line range hint
883-908: Consider adding checks or logging for empty sensitive volumes list.Based on the insights from the past comments, it would be beneficial to handle scenarios where
fRun->RangeAllSensitiveVolumes()might return an empty list. Consider adding checks or logging statements to alert about such cases and prevent potential issues in the simulation.For example, you could add a check like this:
+if (fRun->RangeAllSensitiveVolumes().empty()) { + LOG(warn) << "No sensitive volumes found in fRun->RangeAllSensitiveVolumes()"; +} for (auto fv : fRun->RangeAllSensitiveVolumes()) { // ... }
Review details
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Files selected for processing (6)
- fairroot/base/sim/FairDetector.cxx (2 hunks)
- fairroot/base/sim/FairMCApplication.cxx (1 hunks)
- fairroot/base/sim/FairModule.cxx (2 hunks)
- fairroot/base/sim/FairModule.h (2 hunks)
- fairroot/base/steer/FairRunSim.cxx (2 hunks)
- fairroot/base/steer/FairRunSim.h (3 hunks)
Additional comments not posted (13)
fairroot/base/sim/FairDetector.cxx (2)
17-17: LGTM!The addition of the
FairRunSim.hinclude statement is necessary to use theUpdateSensitiveVolumesForModulemethod from theFairRunSimclass, as part of the refactoring to move sensitive volume management toFairRunSim.
97-97: Verify the UpdateSensitiveVolumesForModule implementation.The refactoring to replace the sensitive volume update loop with a call to
GetRunSim().UpdateSensitiveVolumesForModule(*this)aligns with the PR objective and simplifies theInitializemethod.However, it's crucial to ensure that the
UpdateSensitiveVolumesForModulemethod inFairRunSimcorrectly updates the Monte Carlo IDs for all sensitive volumes associated with the module.Please provide the implementation of
UpdateSensitiveVolumesForModuleor point to the relevant code changes for review.Alternatively, consider adding unit tests to verify the behavior of
UpdateSensitiveVolumesForModuleand confirm that it achieves the same result as the original loop logic.fairroot/base/sim/FairModule.h (2)
28-28: LGTM!Including the
<cassert>header is a good practice for using runtime assertions to catch and handle unexpected conditions during development and testing.
194-202: LGTM!The addition of the
GetRunSim()method is a useful feature that allows retrieving the associatedFairRunSimobject for the module. The assertionassert(fRunSim)is a good safety check to ensure thatfRunSimis properly set before dereferencing it, helping catch potential bugs early.fairroot/base/steer/FairRunSim.h (4)
24-24: LGTM!Including the
<vector>header is necessary for usingstd::vectorin the code. This is a valid addition.
228-235: LGTM!The addition of the
RegisterSensitiveVolumeandRangeAllSensitiveVolumesfunctions to theFairRunSimclass is a good way to manage sensitive volumes. The implementation looks correct and follows best practices.
237-240: Request for more informationThe purpose and implementation details of the
UpdateSensitiveVolumesForModulefunction are not clear from this header file. Could you please provide more context or the function definition to help understand its behavior and assess its correctness?
258-261: LGTM!The addition of the
fAllSensitiveVolumesmember variable to store a list of all sensitive volumes in a simulation session is appropriate. Using astd::vectorto hold the pointers is a suitable choice. The comment clearly indicates its purpose and internal usage.fairroot/base/steer/FairRunSim.cxx (2)
439-454: LGTM!The function correctly updates the Monte Carlo IDs of sensitive volumes associated with a given module by iterating through
fAllSensitiveVolumes, matching the module ID, processing the volume name, and setting themcidfor both the sensitive volume and its associated geometry node.
438-447: Clarify the purpose and implications of removing the suffix after the#character in the volume name.The code processes the volume name to remove any suffix after a specific character (
#). It would be helpful to provide more context on why this is necessary and how it affects the volume naming convention throughout the codebase.Verification successful
Clarification on the purpose and implications of removing the suffix after the
#character in the volume nameThe code in FairRunSim.cxx is processing sensitive volume names to remove suffixes marked by the "#" character. This is done in the UpdateSensitiveVolumesForModule method, which is likely called during the simulation setup or update phase. Here's a breakdown of the process and its implications:
Purpose: The code is designed to standardize volume names by removing any suffixes that come after a "#" character. This could be used to handle variations or copies of the same basic volume type.
Process: For each sensitive volume associated with the current module, the code:
- Looks for the first "#" character in the volume name.
- If found (and not at the start of the name), it truncates the name at that point.
Implications:
- This allows for a naming convention where base volume names can be extended with suffixes for specific instances or copies, while still being recognized by their base name in the simulation.
- It ensures that when querying volume IDs from the Monte Carlo simulation, the base name is used, potentially mapping multiple suffixed versions to the same core volume definition.
Usage in simulation: After processing the name, it's used to retrieve the volume ID from the Monte Carlo simulation. This suggests that the simulation setup should use the base names (without suffixes) when defining volumes.
Consistency: This approach requires consistent use of the "#" convention across the detector setup and simulation configuration to work correctly.
This naming convention and processing allow for more flexible volume naming in the detector description while maintaining a simpler structure in the underlying simulation. However, it also means that care must be taken in naming volumes and understanding how these names will be interpreted during the simulation process.
Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Verify the usage of the `#` character in sensitive volume names. # Test: Search for sensitive volume name patterns containing `#`. Expect: Relevant occurrences demonstrating the naming convention. rg --type cpp $'->GetName\\(\\).*#'Length of output: 439
Script:
#!/bin/bash # Description: Verify the usage of the `#` character in volume names. # Search for method calls returning names containing the `#` character echo "Searching for volume names with '#':" rg --type cpp "->.*Name\(\).*#" # Search for method calls returning names without the `#` character echo "Searching for volume names without '#':" rg --type cpp "->.*Name\(\)[^#]*$"Length of output: 1064
Script:
#!/bin/bash # Description: Verify the usage of the `#` character in potential volume names. # Search for potential volume names containing the `#` character echo "Searching for potential volume names with '#':" rg -i --type cpp "(volume|vol|detector).*#" # Search for potential volume names without the `#` character echo "Searching for potential volume names without '#':" rg -i --type cpp "(volume|vol|detector)[^#]*$" # Search for any occurrences of `#` in strings echo "Searching for any '#' in strings:" rg -i --type cpp '"[^"]*#[^"]*"'Length of output: 376723
Script:
#!/bin/bash # Description: Search for volume name processing in FairRunSim.cxx # Look for the specific code snippet and surrounding context echo "Searching for volume name processing in FairRunSim.cxx:" rg -A 10 -B 5 "TString copysign = \"#\";" fairroot/base/steer/FairRunSim.cxx # Search for any other occurrences of volume name processing echo "\nSearching for other volume name processing:" rg -i "volume.*name" fairroot/base/steer/FairRunSim.cxxLength of output: 864
fairroot/base/sim/FairModule.cxx (2)
217-221: LGTM!The changes align with the PR objective of moving the management of sensitive volumes to
FairRunSim. The assertion adds a good safety check. The logic is correct and the implementation is clean.
Line range hint
279-289: LGTM!The changes introduce a null check for the volume being added, which is a good safety measure. The logic of adding the volume to
vListand then registering it as a sensitive volume is correct. The implementation is clean.fairroot/base/sim/FairMCApplication.cxx (1)
Line range hint
883-908: Verify the sensitive volumes returned byfRun->RangeAllSensitiveVolumes().The changes align with the PR's objective of centralizing sensitive volume management. However, it's crucial to ensure that
fRun->RangeAllSensitiveVolumes()returns a properly initialized and populated list of sensitive volumes. Incorrect or missing volumes could lead to issues in the simulation.Run the following script to verify the sensitive volumes:
Verification successful
To complete our verification, we need to gather more information about how sensitive volumes are managed in
FairRunSim. Let's run additional scripts to investigate this further.
To complete our verification, we need to investigate how
fAllSensitiveVolumesis declared and populated inFairRunSim. Let's run additional scripts to gather this information.
To complete our verification, we need to investigate how
RegisterSensitiveVolumeis called and check theFairRunSimconstructor. Let's run one final set of scripts to gather this information.
Verification successful: Sensitive volumes are properly managed
The investigation confirms that
fAllSensitiveVolumesinFairRunSimis correctly declared, initialized, and populated. TheRegisterSensitiveVolumemethod inFairRunSimis called byFairModuleinstances to add sensitive volumes. This mechanism ensures thatfRun->RangeAllSensitiveVolumes()returns the expected list of sensitive volumes inFairMCApplication.Key findings:
fAllSensitiveVolumesis declared as astd::vector<FairVolume*>inFairRunSim.- It's populated through the
RegisterSensitiveVolumemethod, called byFairModuleinstances.- The constructor doesn't explicitly initialize it, which is correct for a
std::vector.- Usage in
FairRunSimandFairMCApplicationis consistent with this implementation.The changes align with the PR's objective of centralizing sensitive volume management, and the verification process has not revealed any issues.
Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Verify the sensitive volumes returned by `fRun->RangeAllSensitiveVolumes()`. # Test: Search for the usage of `RangeAllSensitiveVolumes()`. Expect: Calls from `FairRunSim` or related classes. rg --type cpp -A 5 $'RangeAllSensitiveVolumes\(\)' # Test: Search for the initialization of sensitive volumes in `FairRunSim`. Expect: Code that populates the sensitive volumes list. ast-grep --lang cpp --pattern $'class FairRunSim { $$$ void InitSensitiveVolumes($$$) { $$$ } $$$ }'Length of output: 1332
Script:
#!/bin/bash # Description: Further investigate sensitive volume management in FairRunSim # Search for the implementation of UpdateSensitiveVolumesForModule rg --type cpp -A 10 "void FairRunSim::UpdateSensitiveVolumesForModule" # Look for methods in FairRunSim that modify fAllSensitiveVolumes ast-grep --lang cpp --pattern 'class FairRunSim { $$$ void $METHOD_NAME($$$) { $$$ fAllSensitiveVolumes$$$ $$$ } $$$ }'Length of output: 1314
Script:
#!/bin/bash # Description: Investigate declaration and population of fAllSensitiveVolumes in FairRunSim # Search for the declaration of fAllSensitiveVolumes rg --type cpp "fAllSensitiveVolumes" fairroot/base/steer/FairRunSim.h # Look for direct assignments to fAllSensitiveVolumes rg --type cpp "fAllSensitiveVolumes\s*=" fairroot/base/steer/FairRunSim.cxx # Search for methods in FairRunSim that might indirectly populate fAllSensitiveVolumes rg --type cpp -A 10 "void FairRunSim::(Init|AddModule|SetModule)" fairroot/base/steer/FairRunSim.cxxLength of output: 1048
Script:
#!/bin/bash # Description: Investigate calls to RegisterSensitiveVolume and FairRunSim constructor # Search for calls to RegisterSensitiveVolume rg --type cpp "RegisterSensitiveVolume" # Look for the FairRunSim constructor rg --type cpp -A 10 "FairRunSim::FairRunSim" fairroot/base/steer/FairRunSim.cxx # Search for any initialization of fAllSensitiveVolumes in FairRunSim.cxx rg --type cpp "fAllSensitiveVolumes" fairroot/base/steer/FairRunSim.cxxLength of output: 1075
Instead of using a thread local, let's use something that is tied to the "simulaion session" (as noted in some places).
FairRunSim has all the Modules anyway, so let it also have the list of sensitive Volumes.
OR should we move it to
FairMCApplcationinstead?waiting for:
Checklist: