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fn_registry/python/functions/geo/valhalla_route.md
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egutierrez faac610745 feat: extraccion masiva footprint_aurgi (41 funcs + 4 types + stack Docker geo)
Extrae al registry funciones del proyecto interno footprint_aurgi:
- core (6): slugify_ascii, normalize_for_join, cp_provincia_es, infer_provincia_from_cp, safe_read_csv_fallback, csv_to_parquet_duckdb
- geo puras (7): haversine_km, point_in_ring, point_in_polygon, point_in_polygons_bbox, polygon_bbox, extent_with_padding, distance_bucket
- geo I/O (4): load_geojson_polygons, load_boundary_gdf, add_basemap_osm, add_basemap_with_timeout
- valhalla client (4): valhalla_route, valhalla_isochrone, valhalla_isochrones_async, valhalla_matrix_1_to_n
- datascience stats (7): trimmed_mean, geometric_mean, detect_distribution_type, best_central_tendency, summary_stats, kde_density_levels, alpha_shape_concave_hull
- datascience fuzzy (3): fuzzy_merge_adaptive (rapidfuzz), words_to_dataset, remove_words_from_column
- datascience viz (2): plot_kde_2d, plot_heatmap_log
- infra (4): compress_pdf_ghostscript, render_table_page_pdfpages, add_header_logo, osm2pgsql_ingest
- pipelines (4): setup_geo_stack_docker, compute_centers_reachability, generate_isochrones_by_zone, count_points_per_zone
- types geo (4): LonLat, BBox, IsochroneRequest, Centro

Incluye:
- apps/footprint_geo_stack/ (PostGIS + Martin + Valhalla via docker-compose)
- 131/132 tests pasan (1 skip esperado: osm2pgsql en PATH)
- Issue tracker dev/issues/0052-footprint-aurgi-extraction.md
- Atribucion uniforme: source_repo internal:footprint_aurgi, source_license internal-aurgi
- Build con 9 agentes en paralelo (8 wave 1 + 1 wave 2 pipelines)

Tambien commitea trabajo previo no commiteado: aggregate_extraction_results, chunk_with_overlap, clean_pdf_text, merge_entity_aliases, extract_graph_gliner2, extract_relations_mrebel, extract_triples_spacy_es, gliner2/mrebel/marianmt/rebel/spacy_es load_model, parse_rebel_output, translate_es_to_en, issue 0050/0051.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-04 23:35:22 +02:00

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---
name: valhalla_route
kind: function
lang: py
domain: geo
version: "1.0.0"
purity: impure
signature: "def valhalla_route(locations: list[dict], base_url: str = 'http://localhost:8002', costing: str = 'auto', units: str = 'metric', timeout_s: float = 60.0) -> dict | None"
description: "Calcula una ruta punto a punto usando el motor de enrutamiento Valhalla. POST a /route, retorna la respuesta JSON con trip.summary (length, time) o None si error."
tags: [valhalla, routing, geo, http, isochrone]
uses_functions: []
uses_types: []
returns: []
returns_optional: true
error_type: "error_go_core"
imports: [httpx]
params:
- name: locations
desc: "Lista de dicts con 'lat' y 'lon'. Minimo 2 puntos (origen y destino)."
- name: base_url
desc: "URL base del servidor Valhalla. Por defecto http://localhost:8002."
- name: costing
desc: "Modelo de coste de enrutamiento: 'auto', 'bicycle', 'pedestrian', etc."
- name: units
desc: "Unidades de distancia: 'metric' (km) o 'imperial' (millas)."
- name: timeout_s
desc: "Timeout en segundos para la request HTTP. Por defecto 60."
output: "Dict con la respuesta JSON de Valhalla (campo 'trip' con summary.length en km y summary.time en segundos), o None si el servidor no responde o retorna error."
tested: true
tests: ["ruta Madrid-Barcelona supera 500 km"]
test_file_path: "python/functions/geo/tests/test_valhalla_route.py"
file_path: "python/functions/geo/valhalla_route.py"
source_repo: "internal:footprint_aurgi"
source_license: "internal-aurgi"
source_file: "better_maps/scripts/test_valhalla_route.py"
---
## Ejemplo
```python
result = valhalla_route(
locations=[
{"lat": 40.4168, "lon": -3.7038}, # Madrid
{"lat": 41.3874, "lon": 2.1686}, # Barcelona
]
)
if result:
summary = result["trip"]["summary"]
print(f"{summary['length']} km, {summary['time'] / 3600:.2f} h")
```
## Notas
Retorna None ante cualquier excepcion (timeout, HTTP error, JSON invalido). Si necesitas el error concreto, usa httpx directamente. Requiere Valhalla activo en base_url.