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lidar_rendu/AGENTS.md
Antoine Jacquin 422f58d772 Split webapp for Raspberry Pi deployment, remote generation API and sync
La webapp (carte + vignettes) et la génération de tuiles se déploient sur
deux machines : image légère Dockerfile.webapp (FastAPI + Pillow AVIF
natif + pyproj) sur Raspberry Pi, pipeline complet sur la machine de
traitement. LIDAR_GENERATION_URL délègue /api/generate, /api/preview et
/api/status ; /api/sync ramène les tuiles par rsync puis régénère
vignettes et index localement. Token partagé optionnel
(LIDAR_API_TOKEN/LIDAR_REMOTE_TOKEN). Retire du dépôt les journaux
internes (.swival, audit-findings) et les données (data/, notebooks/).
Doc : docs/DEPLOY_WEBAPP.md.
2026-09-02 19:44:39 +02:00

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## Workflow
- install: `docker build -t lidar-lidar .` (deps baked into image)
- build: `docker build -t lidar-lidar .`
- build webapp légère (Raspberry Pi, déploiement 2 machines — cf. `docs/DEPLOY_WEBAPP.md`): `docker compose -f docker-compose.webapp.yml up -d --build` (image `Dockerfile.webapp`, sans PDAL/GPU)
- test all: `./run.sh --test` (rebuild automatique de l'image avant les tests ; en `docker run` direct, rebuild manuellement d'abord)
- test file: `docker run --rm lidar-lidar python3 -m pytest -v --pyargs lidar_pipeline.tests.<module>`
- test case: `docker run --rm lidar-lidar python3 -m pytest -v --pyargs lidar_pipeline.tests.<module>::<TestClass>::<test_method>`
- lint: not configured
- format: not configured
- after every edit: `./run.sh --test`
- **RÈGLE 1 — toujours lancer via docker compose** (jamais `docker run` direct) : carte/API → `docker compose up -d --build serve` (port 8973) ; traitement ponctuel → `docker compose run --rm --build process [options]` ; logs → `docker compose logs -f serve` ; arrêt → `docker compose down`.
- **RÈGLE 2 — TOUJOURS `--build` : le code est baké dans l'image (jamais monté).** Sans `--build`, `up`/`run` réutilisent l'image existante et l'ANCIEN code tourne. `--build` est quasi instantané grâce au cache (le .dockerignore exclut input/ et output/ du contexte). Après édition : `docker compose up -d --build serve` recrée le conteneur sur du neuf.
- test rapide sans rebuild (code monté par-dessus l'image): `docker run --rm -e PYTHONPATH=/app -v $(pwd)/lidar_pipeline:/app/lidar_pipeline lidar-lidar python3 -m pytest --pyargs lidar_pipeline.tests`
- debug: `./run.sh --debug` (file:line logging); container shell: `docker run --rm -it -v $(pwd)/input:/data/input -v $(pwd)/output:/data/output --entrypoint bash lidar-lidar`
## Conventions
- **Bilingual naming**: all code identifiers are English; every user-facing string, log message, argparse help, and comment is French.
- **Adding a visualization requires 3 edits**: (1) `generate_X()` in `visualizations.py`, (2) entry in `VIZ_STEPS` in `pipeline.py`, (3) entry in `COLORMAPS` in `rendering.py`. Missing any one breaks the pipeline.
- **`generate_*` signature is strict**: `(dem_file, basename, vis_dir, resolution, shared=None)` returning `Path` on success, `None` on failure. IGN overlays (`ortho`, `topo`) omit `shared`.
- **Return `None` on failure, never raise**: `dtm.py`, `visualizations.py`, and `ign.py` all return `None` to let the pipeline continue. Raising aborts the entire file.
- **Logger is always `logging.getLogger("lidar")`**, never `__name__`. All modules route through this single logger so worker processes can configure it.
- **Filename special-cases** in `_expected_output_path()`: `pos_open` → `positive_openness`, `neg_open` → `negative_openness`, `hillshade` → `hillshade_multi`.
- **Default output is AVIF**, not WebP. Use `--format webp` for WebP. Quality default is 98.
- **Tests use lazy imports inside each test function**, never at module top, to avoid importing CuPy/GDAL at import time.
- **`_`-prefixed names are critical private**: `_create_ground_pipeline`, `_fallback_to_smrf`, `_fill_nans`, `_init_gpu`, `_process_file_standalone` — do not call from outside their module.
- **`build_index()` writes 3 files**: `output/index.html` (data shell, `const TILES` embedded), `output/assets/app.css` and `output/assets/app.js` (source: `_APP_CSS`/`_APP_JS` constants in `index.py`). `webapp.py` serves `/assets` with no-cache headers. Each tile carries `meta` — ground method read from `DTM/*_dtm{_rXpY}_method.txt` (falls back to the primary-resolution sidecar) + per-viz dates/sizes.
## Commit & Pull Request Guidelines
Commits use imperative tense, short single-line subjects (~60–80 chars), no prefixes or scopes. Compound commits are common — multiple related changes joined by commas or "and". Examples: ``Fix multi-GPU with lazy CuPy init + rendering improvements``, ``Add multi-resolution support and remove PDF generation``, ``Fix corrupted COPC detection, add CSF→SMRF fallback, improve MSRM colormap, add SVF and anisotropic openness``.
No PR template, no CI pipeline, no issue tracker. This is a standalone Docker project with no formal PR process.