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add DuckDB script for downloading monaco or a custom area from Overtu… #571

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add DuckDB script for downloading monaco or a custom area from Overtu… #571

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26 changes: 26 additions & 0 deletions tiles/download-overture.sh
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Original file line number Diff line number Diff line change
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#!/usr/bin/env bash
set -euo pipefail

REL="${1:-2026-02-18.0}"
BBOX="${2:-7.408446,43.722901,7.4405,43.752481}"
OUT="data/sources/${3:-monaco.parquet}"

IFS=',' read -r XMIN YMIN XMAX YMAX <<< "$BBOX"

echo "Downloading release $REL: $BBOX to $OUT"

duckdb -c "
COPY (
SELECT *
FROM read_parquet(
's3://overturemaps-us-west-2/release/${REL}/**/*.parquet',
hive_partitioning=1, filename=1, union_by_name=1
)
WHERE theme IN ('transportation','places','base','buildings','divisions')
AND bbox.xmin <= ${XMAX}
AND bbox.xmax >= ${XMIN}
AND bbox.ymin <= ${YMAX}
AND bbox.ymax >= ${YMIN}
) TO '${OUT}' (FORMAT PARQUET);"

echo "Wrote ${OUT}"
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