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36 changed files with 307 additions and 135 deletions
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@ -43,7 +43,7 @@ GROCERY_STATIC_EXCLUDED_CATEGORIES = {
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# Scope: "Public Park Or Garden" is the core park function. "Playing Field"
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# (open public recreation grounds) is borderline but kept: outside big cities
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# the local rec ground is the de facto park. "Play Space" (playgrounds) is
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# excluded — a playground is not a park, and "Playground" is already its own
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# excluded: a playground is not a park, and "Playground" is already its own
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# OSM-derived category. The remaining functions (Religious Grounds, Golf
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# Course, Cemetery, Allotments, Bowling Green, Tennis Court, Other Sports
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# Facility) are clearly not parks.
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@ -76,7 +76,7 @@ def _groceries_categories(pois: pl.DataFrame) -> list[str]:
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with group "Groceries"; it never emits the literal "Supermarket". Collecting
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every Groceries category captures both the OSM strings and the brand names.
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Speciality food retail (bakeries, butchers, delis, off-licences) is
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excluded — see GROCERY_STATIC_EXCLUDED_CATEGORIES.
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excluded. See GROCERY_STATIC_EXCLUDED_CATEGORIES.
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"""
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if "group" not in pois.columns:
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raise ValueError("POI dataframe must include a 'group' column")
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@ -138,7 +138,7 @@ def _greenspace_count_frame(greenspace: pl.DataFrame) -> pl.DataFrame:
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os_greenspace.parquet is one row per ACCESS POINT (park gate), which is the
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right grain for nearest-distance (the nearest gate is what matters) but
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wildly over-counts "Number of amenities (Park) within Xkm" — a large park
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wildly over-counts "Number of amenities (Park) within Xkm": a large park
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with 30 gates counted as 30 parks. Counting uses one row per site at the
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site centroid (falling back to the first access point when no centroid is
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available). Degrades gracefully: a legacy parquet without `site_id` is
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