feat: Introduce DD4hep GeometryContext #3854
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Actionable comments posted: 11
🧹 Outside diff range comments (1)
Plugins/TGeo/include/Acts/Plugins/TGeo/TGeoDetectorElement.hpp (1)
Issues Found, I Have
Many TODOs related to shapes and surfaces, present they are:
- Surface type definitions
- Shape conversion implementations
- Support for multiple surfaces per module
- Non-DD4hep usage scenarios
Address these, we must.
🔗 Analysis chain
Line range hint
29-33: Future considerations, discuss we must.TODO comments in header, notice I do. With protected access to m_detElement now granted, opportunity exists to address these TODOs:
- Shape conversion handling
- Multiple surfaces per module support
- Additional shape implementations
- Non-DD4hep usage scenarios
Ready for these future expansions, this change makes us.
Search for related TODOs and implementation patterns, we shall:
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#!/bin/bash # Search for related TODO patterns and shape implementations rg -g '!{*.md,*.txt}' -i "todo.*shape|todo.*surface|todo.*dd4hep"Length of output: 1914
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📒 Files selected for processing (7)
Core/include/Acts/Utilities/detail/ContextType.hpp(1 hunks)Plugins/DD4hep/CMakeLists.txt(1 hunks)Plugins/DD4hep/include/Acts/Plugins/DD4hep/DD4hepDetectorElement.hpp(1 hunks)Plugins/DD4hep/include/Acts/Plugins/DD4hep/DD4hepGeometryContext.hpp(1 hunks)Plugins/DD4hep/src/DD4hepDetectorElement.cpp(2 hunks)Plugins/DD4hep/src/DD4hepGeometryContext.cpp(1 hunks)Plugins/TGeo/include/Acts/Plugins/TGeo/TGeoDetectorElement.hpp(1 hunks)
🔇 Additional comments (9)
Plugins/DD4hep/src/DD4hepGeometryContext.cpp (2)
9-10: Proper, the include order is. Hmmmm.
Clean and minimal, the includes are. Only what is needed, included it has.
12-15: 🧹 Nitpick (assertive)
Verify the usage of inactive context, we must.
Curious, the use of inactive context is. Understand its implications in the larger system, we should.
A suggestion for documentation, I have:
const Acts::Transform3& Acts::DD4hepGeometryContext::contextualTransform(
const Acts::DD4hepDetectorElement& dElement) const {
+ // Retrieve transformation using the inactive context as a base state
return dElement.transform(DD4hepGeometryContext::inactive());
}✅ Verification successful
Confirmed, the usage of inactive context is.
🏁 Scripts executed
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#!/bin/bash
# Search for other usages of inactive() to understand the pattern
ast-grep --pattern 'DD4hepGeometryContext::inactive()'
# Look for related transform implementations
ast-grep --pattern 'transform($$$)'
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Plugins/DD4hep/CMakeLists.txt (2)
10-10: Approve this change, I do! Hmmmm.
Properly integrated, the new source file is. In harmony with the existing structure, it exists.
Line range hint 1-39: Verify dependencies for the new geometry context, we must.
Dependencies for the new geometry context, check we should. Missing requirements, there might be.
✅ Verification successful
Dependencies Verified, they are.
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#!/bin/bash
# Description: Check for potential missing dependencies in DD4hep plugin
# Search for DD4hepGeometryContext usage patterns
echo "=== Searching for DD4hepGeometryContext usage ==="
rg -l "DD4hepGeometryContext"
# Check if new header is properly installed
echo "=== Verifying header installation ==="
fd "DD4hepGeometryContext.hpp" "include/Acts"
# Look for potential new dependencies in implementation
echo "=== Checking implementation dependencies ==="
rg -l "#include.*DD4hepGeometryContext" "src/"
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#!/bin/bash
# Description: Re-verify dependencies in DD4hep plugin with corrected paths
# Search for DD4hepGeometryContext usage patterns
echo "=== Searching for DD4hepGeometryContext usage ==="
rg -l "DD4hepGeometryContext"
# Check if new header is properly installed
echo "=== Verifying header installation ==="
fd "DD4hepGeometryContext.hpp" "Plugins/DD4hep/include/Acts"
# Look for potential new dependencies in implementation
echo "=== Checking implementation dependencies ==="
rg -l "#include.*DD4hepGeometryContext" "Plugins/DD4hep/src/"
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Plugins/DD4hep/src/DD4hepDetectorElement.cpp (2)
11-12: Wise inclusion of header, this is!
In the correct place, the new header stands. Balance to the force, it brings.
29-37: Hmmmm... Elegant handling of transformation, I sense!
Wise implementation this is, with careful checks and graceful fallback. But verify the impact on performance paths, we must.
Plugins/DD4hep/include/Acts/Plugins/DD4hep/DD4hepGeometryContext.hpp (2)
11-12: Wise choices in includes, I sense.
Minimal and necessary, the includes are. The path to enlightenment through clean dependencies leads.
25-48: 🧹 Nitpick (assertive)
Verify alignment with DD4hep's ways, we must.
Ensure this implementation harmoniously works with DD4hep's own alignment handling mechanisms, you should. A path to future misalignment studies, this class paves.
Plugins/DD4hep/include/Acts/Plugins/DD4hep/DD4hepDetectorElement.hpp (1)
90-94: Verify the transform chain, we must.
Important to confirm that transform propagation through the geometry hierarchy works correctly, it is.
Run this verification script, we shall:
✅ Verification successful
Transform Chain Verified, It Is.
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#!/bin/bash
# Search for other transform implementations in the codebase
echo "Looking for transform implementations, we are..."
ast-grep --pattern 'transform(const GeometryContext& $x) const'
echo "Checking for transform usage patterns, we must..."
rg -A 3 "transform.*GeometryContext"
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Plugins/DD4hep/include/Acts/Plugins/DD4hep/DD4hepGeometryContext.hpp
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Plugins/DD4hep/include/Acts/Plugins/DD4hep/DD4hepGeometryContext.hpp
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Plugins/DD4hep/include/Acts/Plugins/DD4hep/DD4hepGeometryContext.hpp
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Plugins/DD4hep/include/Acts/Plugins/DD4hep/DD4hepDetectorElement.hpp
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Plugins/DD4hep/include/Acts/Plugins/DD4hep/DD4hepDetectorElement.hpp
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Actionable comments posted: 8
🧹 Outside diff range comments (2)
Plugins/TGeo/include/Acts/Plugins/TGeo/TGeoDetectorElement.hpp (2)
Line range hint
136-143: Approve the protected access change, but mindful we must be.Changed from private to protected, these members are. For DD4hepDetectorElement's needs, necessary this change is. Yet, document the reasoning in comments, we should, so that future Padawans understand why this path we chose.
A comment like this, add you should:
// Protected access enables derived detector elements (e.g., DD4hepDetectorElement) // to implement specialized geometry context handling
Line range hint
136-143: Document the member variables better, we must.Missing documentation for protected members, I sense. Clear documentation, crucial it is, for maintaining the ways of the Force.
Add documentation for each member, like this you should:
protected: /// Pointer to underlying TGeoNode, ownership not assumed const TGeoNode* m_detElement{nullptr}; /// Transform matrix defining local to global coordinate conversion Transform3 m_transform = Transform3::Identity(); /// Unique identifier for this detector element Identifier m_identifier; /// Geometric boundaries of the detector element surface std::shared_ptr<const SurfaceBounds> m_bounds{nullptr}; /// Physical thickness of the detector element in mm double m_thickness{0.}; /// Associated surface representation std::shared_ptr<Surface> m_surface{nullptr};
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📒 Files selected for processing (7)
Core/include/Acts/Utilities/detail/ContextType.hpp(1 hunks)Plugins/DD4hep/CMakeLists.txt(1 hunks)Plugins/DD4hep/include/Acts/Plugins/DD4hep/DD4hepDetectorElement.hpp(1 hunks)Plugins/DD4hep/include/Acts/Plugins/DD4hep/DD4hepGeometryContext.hpp(1 hunks)Plugins/DD4hep/src/DD4hepDetectorElement.cpp(2 hunks)Plugins/DD4hep/src/DD4hepGeometryContext.cpp(1 hunks)Plugins/TGeo/include/Acts/Plugins/TGeo/TGeoDetectorElement.hpp(1 hunks)
🔇 Additional comments (13)
Plugins/DD4hep/src/DD4hepGeometryContext.cpp (2)
1-15: Strong with the Force, this implementation is.
Clean and focused, the code remains. The path to geometry context, well-structured it is. MPL-2.0 license header, properly maintained it is.
12-15: 🧹 Nitpick (assertive)
Hmmmm, circular dependency, I sense.
A path to the dark side, circular dependencies are. Between DD4hepGeometryContext and DD4hepDetectorElement, a cycle of calls I observe. Meditate on this implementation, we must.
Plugins/DD4hep/CMakeLists.txt (2)
10-10: Hmmmm, properly integrated the new source file is!
To the ActsPluginDD4hep library, a new source file added we have. Consistent with the geometry context feature, this addition is.
Line range hint 1-40: Wisdom about the geometry context implementation, share I must!
For the path of geometry context, important considerations there are:
- Ensure proper initialization of DD4hepGeometryContext in client code, you must
- Document the alignment handling capabilities in the README, beneficial it would be
- Consider adding integration tests for the geometry context feature, essential they are
Strong in the Force this implementation is, but documentation and testing strengthen it further they will.
Plugins/DD4hep/src/DD4hepDetectorElement.cpp (2)
11-11: Approve the header inclusion, I do.
Necessary for the new geometry context functionality, this inclusion is. Properly placed after the main header, it has been.
29-37: Wise implementation of transform method, this is.
Handle geometry context gracefully, it does:
- Safely attempt context retrieval with maybeGet
- Proper null checking and active state verification
- Sensible fallback to base class transform
But verify the impact on performance, we must.
Plugins/DD4hep/include/Acts/Plugins/DD4hep/DD4hepGeometryContext.hpp (2)
1-13: Proper structure and includes, have you. Approve this, I do!
Well-organized with necessary includes and proper licensing, this header file is.
25-25: Verify alignment integration, we must!
Hmm, ensure proper integration with alignment system, we should.
Core/include/Acts/Utilities/detail/ContextType.hpp (3)
82-91: Approve the non-const maybeGet() implementation, I do!
Wise addition this is, hmm. Safe type retrieval it provides, without exceptions it throws. When type matches not, nullptr it returns gracefully. Well-documented and implemented correctly, it is.
93-102: Const correctness maintained well, it is!
Proper const version of maybeGet(), implemented it is. Consistency with non-const sibling, it maintains. Documentation mirrors its companion, as it should.
82-102: Verify the usage in geometry context, we must!
In DD4hep geometry context, crucial these methods are. Ensure proper usage for misalignment handling, we should.
✅ Verification successful
Verified, usage in geometry context is.
🏁 Scripts executed
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#!/bin/bash
# Search for usage of maybeGet in geometry context implementations
rg -l "maybeGet.*GeometryContext"
# Look for potential geometry transformation code
ast-grep --pattern 'transform($$$)'
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Plugins/DD4hep/include/Acts/Plugins/DD4hep/DD4hepDetectorElement.hpp (2)
90-94: Strong with the const-correctness, this one is.
Pleased I am with const-correctness in method signature. Both parameter and return value, const references they are. Prevent unnecessary copies and modifications, this will.
90-94: Verify implementation of transform method, we must.
Correct the declaration appears, but implementation we must verify. Final keyword suggests interface completion it does.
Run this script, we shall:
✅ Verification successful
Run these scripts, you must. Discover the implementation, we will.
Verified the transform method implementation, I have.
🏁 Scripts executed
The following scripts were executed for the analysis:
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#!/bin/bash
# Search for the transform method implementation
echo "Looking for implementation, I am..."
rg -p "transform.*GeometryContext.*DD4hepDetectorElement" --type cpp
echo "Checking parent class implementation, we must..."
ast-grep --pattern 'class TGeoDetectorElement {
$$$
virtual $_ transform($$$) {
$$$
}
$$$
}'
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# List all parent classes of DD4hepDetectorElement
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ast-grep --pattern 'class DD4hepDetectorElement : $_ {' --type cpp
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echo "Searching for transform method implementations with GeometryContext parameter..."
rg 'Transform3& DD4hepDetectorElement::transform\(const GeometryContext&' --type cpp
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#!/bin/bash
# List all parent classes of DD4hepDetectorElement
echo "Listing parent classes of DD4hepDetectorElement, I am..."
ast-grep --pattern 'class DD4hepDetectorElement : $_ {'
# Search for any implementations of transform with GeometryContext parameter across the codebase
echo "Searching for transform method implementations with GeometryContext parameter, I am..."
rg 'Transform3& DD4hepDetectorElement::transform\(const GeometryContext&' --type cpp
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#!/bin/bash
# Search for any transform method in DD4hepDetectorElement
echo "Searching for any transform method implementations in DD4hepDetectorElement..."
rg 'Transform3& DD4hepDetectorElement::transform\(' --type cpp
# List classes that inherit from DD4hepDetectorElement
echo "Listing classes that inherit from DD4hepDetectorElement..."
ast-grep --pattern 'class $_ : $_, public DD4hepDetectorElement {' --type cpp
# Search for transform methods in all classes
echo "Searching for transform method implementations in all classes..."
rg 'Transform3& .*::transform\(' --type cpp
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Plugins/DD4hep/include/Acts/Plugins/DD4hep/DD4hepGeometryContext.hpp
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Plugins/DD4hep/include/Acts/Plugins/DD4hep/DD4hepGeometryContext.hpp
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Plugins/DD4hep/include/Acts/Plugins/DD4hep/DD4hepGeometryContext.hpp
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Plugins/DD4hep/include/Acts/Plugins/DD4hep/DD4hepGeometryContext.hpp
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Plugins/DD4hep/include/Acts/Plugins/DD4hep/DD4hepDetectorElement.hpp
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Actionable comments posted: 3
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📒 Files selected for processing (3)
Plugins/DD4hep/include/Acts/Plugins/DD4hep/DD4hepDetectorElement.hpp(1 hunks)Plugins/DD4hep/include/Acts/Plugins/DD4hep/DD4hepGeometryContext.hpp(1 hunks)Plugins/DD4hep/src/DD4hepGeometryContext.cpp(1 hunks)
🔇 Additional comments (5)
Plugins/DD4hep/src/DD4hepGeometryContext.cpp (2)
1-11: Correct and proper, the header structure is!
Well-organized, the includes are. Proper license header, present it is. Minimal and focused, the dependencies remain.
12-16: 🛠️ Refactor suggestion
Document the wisdom of transformation, we must!
Missing, the documentation is. Clear to young Padawans, this code must be. Thread safety considerations, documented they must be.
Apply this change, you should:
+// Retrieves the contextual transformation for a DD4hep detector element.
+// @param dElement The detector element for which to retrieve the transformation
+// @return A const reference to the transformation matrix
+// @note Thread safety: This method uses a static inactive context. Ensure thread
+// safety when modifying the context in multi-threaded environments.
const Acts::Transform3& Acts::DD4hepGeometryContext::contextualTransform(
const Acts::DD4hepDetectorElement& dElement) const {
// Use inactive context as the base transformation state
return dElement.transform(DD4hepGeometryContext::inactive());
}Verify the thread safety implications, we must:
Plugins/DD4hep/include/Acts/Plugins/DD4hep/DD4hepGeometryContext.hpp (1)
41-41: 🧹 Nitpick (assertive)
Add noexcept to contextualTransform, you must!
For better exception guarantees and performance hints to the compiler, mark the method noexcept if exceptions it throws not.
- const Transform3& contextualTransform( const DD4hepDetectorElement& dElement) const;
+ const Transform3& contextualTransform(const DD4hepDetectorElement& dElement) const noexcept;Likely invalid or redundant comment.
Plugins/DD4hep/include/Acts/Plugins/DD4hep/DD4hepDetectorElement.hpp (2)
90-95: Documentation suggestions, already provided they were.
Previous review comments, still valid they are. Duplicate them, we must not.
90-95: Strong with the Force, this implementation is!
Wisely chosen, the design patterns are. The final keyword prevents dangerous overrides, and const correctness maintained it has. Perfect alignment with geometry context for future misalignment handling, I sense.
Verify the geometry context integration, we must:
✅ Verification successful
Further verification, we must perform.
Strong with the Force, this implementation is! Verified, it has been.
The transform() method, properly implemented it is. With GeometryContext, harmoniously it works. Through DD4hepGeometryContext, alignment powers it channels. Safe from dangerous overrides through final keyword, it remains.
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Search for other geometry context implementations
ast-grep --pattern 'class $_ : public GeometryContext {
$$$
}'
# Search for transform method usage
ast-grep --pattern 'transform(const GeometryContext& $_)'
Length of output: 126
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#!/bin/bash
# Search for any uses of the transform method
rg 'transform\s*\('
# Search for classes inheriting from GeometryContext with different patterns
ast-grep --pattern 'class $_ : public GeometryContext {
$$$
}'
# List all references to GeometryContext to ensure integration
rg 'GeometryContext'
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Plugins/DD4hep/include/Acts/Plugins/DD4hep/DD4hepGeometryContext.hpp
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Actionable comments posted: 5
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Plugins/DD4hep/include/Acts/Plugins/DD4hep/DD4hepGeometryContext.hpp(1 hunks)Plugins/DD4hep/src/DD4hepGeometryContext.cpp(1 hunks)
🔇 Additional comments (1)
Plugins/DD4hep/src/DD4hepGeometryContext.cpp (1)
13-17: 🧹 Nitpick (assertive)
Consider const correctness and performance implications, we must.
Hmmmm, wise the use of const references is, memory overhead it reduces. Yet, ponder we must about transformation caching for repeated calls.
Suggest adding transformation caching, I do:
const Acts::Transform3& Acts::DD4hepGeometryContext::contextualTransform(
const Acts::DD4hepDetectorElement& dElement) const {
+ // Cache transformation if frequently accessed, it should be
+ // Consider thread-safe caching mechanism if needed
return dElement.transform(DD4hepGeometryContext::inactive());
}Likely invalid or redundant comment.
Plugins/DD4hep/include/Acts/Plugins/DD4hep/DD4hepGeometryContext.hpp
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Plugins/DD4hep/include/Acts/Plugins/DD4hep/DD4hepGeometryContext.hpp(1 hunks)
🔇 Additional comments (1)
Plugins/DD4hep/include/Acts/Plugins/DD4hep/DD4hepGeometryContext.hpp (1)
52-53: 🧹 Nitpick (assertive)
Base class constructor, explicitly call you must!
- explicit DD4hepGeometryContext(bool isContextActive)
- : m_active(isContextActive) {}
+ explicit DD4hepGeometryContext(bool isContextActive)
+ : GeometryContext(), m_active(isContextActive) {}Likely invalid or redundant comment.
Plugins/DD4hep/include/Acts/Plugins/DD4hep/DD4hepGeometryContext.hpp
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In order to allow future misalignment, this PR introduces the first geometry context
This PR introduces a DD4hepAlignmentContext that is empty as a start - it will be filled in a follow-up PR.
--- END COMMIT MESSAGE ---
Any further description goes here, @-mentions are ok here!
Summary by CodeRabbit
New Features
DD4hepGeometryContextclass for improved geometry context handling.transformmethod toDD4hepDetectorElementfor enhanced transformation retrieval.contextualTransformmethod inDD4hepGeometryContextto facilitate transformations based on detector elements.Bug Fixes
TGeoDetectorElementto support subclassing.These updates enhance the functionality and flexibility of the DD4hep plugin within the Acts framework.