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fix: Guarantee angle periodicity after KF filtering and smoothing #3684

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merged 11 commits into from
Oct 18, 2024

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andiwand
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@andiwand andiwand commented Oct 2, 2024

I noticed a few cases where the angles escape their valid range after a KF update / smoothing. We can avoid that by normalizing the angles back to their range after update.

In principle other params like local position and momentum are also constrained and might need checking+fixing but for those I am not sure how to do it right now.

@andiwand andiwand added this to the next milestone Oct 2, 2024
@andiwand andiwand changed the title fix: Guarantee angle periodicity with KF filtering and smoothing fix: Guarantee angle periodicity after KF filtering and smoothing Oct 2, 2024
@github-actions github-actions bot added Component - Core Affects the Core module Track Fitting labels Oct 2, 2024
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github-actions bot commented Oct 2, 2024

📊: Physics performance monitoring for 468fd86

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physmon summary

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Just a tiny remark. Looks good otherwise. Interesting, that physmon didn't change.

Core/include/Acts/Utilities/detail/periodic.hpp Outdated Show resolved Hide resolved
@andiwand
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andiwand commented Oct 3, 2024

Just a tiny remark. Looks good otherwise. Interesting, that physmon didn't change.

I don't think we are hitting this case very often otherwise we would have spotted it in physmon already

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I do not observe any performance difference for the track finding

@andiwand andiwand marked this pull request as ready for review October 17, 2024 14:01
@github-actions github-actions bot added Component - Examples Affects the Examples module Changes Performance labels Oct 18, 2024
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AJPfleger previously approved these changes Oct 18, 2024
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kodiakhq bot commented Oct 18, 2024

This PR currently has a merge conflict. Please resolve this and then re-add the automerge label.

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sonarcloud bot commented Oct 18, 2024

@kodiakhq kodiakhq bot merged commit ac41c04 into acts-project:main Oct 18, 2024
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@andiwand andiwand deleted the fix-kf-angle-periodicity branch October 19, 2024 08:34
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3 participants