40 lines
1.3 KiB
Markdown
40 lines
1.3 KiB
Markdown
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# Atomizer Archive
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This directory contains deprecated/replaced code that is kept for reference and potential rollback.
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## Structure
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```
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archive/
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├── extractors/ # Deprecated physics extractors
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│ └── zernike_legacy/ # Pre-OPD Zernike extractors
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└── README.md
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```
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## Archive Policy
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When replacing functionality:
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1. Move the old file to the appropriate archive subdirectory
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2. Add a header comment noting the archive date and replacement
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3. Update this README with the change
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## Archived Items
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### extractors/zernike_legacy/ (2024-12-28)
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**Replaced by:** `extract_zernike_opd.py` (ZernikeOPDExtractor)
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**Reason:** The OPD method provides more accurate wavefront error calculations by:
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- Using optical path difference (OPD) directly instead of surface displacement
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- Proper handling of relative subcase comparisons
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- Better numerical stability for high-order Zernike modes
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**Archived files:**
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| File | Original Class | Description |
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|------|----------------|-------------|
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| `extract_zernike.py` | `ZernikeExtractor` | Original displacement-based Zernike |
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| `extract_zernike_surface.py` | `ZernikeSurfaceExtractor` | Surface-normal projection variant |
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| `extract_zernike_figure.py` | `ZernikeFigureExtractor` | Figure error variant |
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**To restore:** Copy files back to `optimization_engine/extractors/` and update `__init__.py`
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