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Simplification with 10px tolerance makes rectangular buildings look jagged/trapezoidal at high zoom. Without it, tippecanoe still simplifies at lower zooms via --drop-densest-as-needed but preserves full geometry at the base zoom (z18). Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
118 lines
4.8 KiB
Bash
118 lines
4.8 KiB
Bash
#!/usr/bin/env bash
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# rebuild-overview-tiles.sh — Export all overview layers from PostGIS, generate PMTiles, upload to MinIO
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# Includes: UAT boundaries, administrativ, simplified terenuri (z10-z14), simplified cladiri (z12-z14)
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# Usage: ./scripts/rebuild-overview-tiles.sh
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# Dependencies: ogr2ogr (GDAL), tippecanoe, mc (MinIO client)
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set -euo pipefail
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# ── Configuration ──
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DB_HOST="${DB_HOST:-10.10.10.166}"
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DB_PORT="${DB_PORT:-5432}"
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DB_NAME="${DB_NAME:-architools_db}"
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DB_USER="${DB_USER:-architools_user}"
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DB_PASS="${DB_PASS:-stictMyFon34!_gonY}"
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MINIO_ALIAS="${MINIO_ALIAS:-myminio}"
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MINIO_BUCKET="${MINIO_BUCKET:-tiles}"
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MINIO_ENDPOINT="${MINIO_ENDPOINT:-http://10.10.10.166:9002}"
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MINIO_ACCESS_KEY="${MINIO_ACCESS_KEY:-admin}"
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MINIO_SECRET_KEY="${MINIO_SECRET_KEY:-MinioStrongPass123}"
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TMPDIR="${TMPDIR:-/tmp/tile-rebuild}"
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OUTPUT_FILE="overview.pmtiles"
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PG_CONN="PG:host=${DB_HOST} port=${DB_PORT} dbname=${DB_NAME} user=${DB_USER} password=${DB_PASS}"
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echo "[$(date -Iseconds)] Starting overview tile rebuild..."
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# ── Setup ──
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mkdir -p "$TMPDIR"
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cd "$TMPDIR"
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# ── Step 1: Export views from PostGIS (parallel) ──
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echo "[$(date -Iseconds)] Exporting PostGIS views to FlatGeobuf..."
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# UAT boundaries (4 zoom levels)
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ogr2ogr -f FlatGeobuf -s_srs EPSG:3844 -t_srs EPSG:4326 \
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uats_z0.fgb "$PG_CONN" \
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-sql "SELECT name, siruta, geom FROM gis_uats_z0 WHERE geom IS NOT NULL" &
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ogr2ogr -f FlatGeobuf -s_srs EPSG:3844 -t_srs EPSG:4326 \
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uats_z5.fgb "$PG_CONN" \
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-sql "SELECT name, siruta, geom FROM gis_uats_z5 WHERE geom IS NOT NULL" &
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ogr2ogr -f FlatGeobuf -s_srs EPSG:3844 -t_srs EPSG:4326 \
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uats_z8.fgb "$PG_CONN" \
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-sql "SELECT name, siruta, county, geom FROM gis_uats_z8 WHERE geom IS NOT NULL" &
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ogr2ogr -f FlatGeobuf -s_srs EPSG:3844 -t_srs EPSG:4326 \
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uats_z12.fgb "$PG_CONN" \
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-sql "SELECT name, siruta, county, geom FROM gis_uats_z12 WHERE geom IS NOT NULL" &
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# Administrativ (intravilan, arii speciale)
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ogr2ogr -f FlatGeobuf -s_srs EPSG:3844 -t_srs EPSG:4326 \
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administrativ.fgb "$PG_CONN" \
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-sql "SELECT object_id, siruta, layer_id, cadastral_ref, geom FROM gis_administrativ WHERE geom IS NOT NULL" &
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# Terenuri for overview — let tippecanoe handle simplification
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ogr2ogr -f FlatGeobuf -s_srs EPSG:3844 -t_srs EPSG:4326 \
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terenuri_overview.fgb "$PG_CONN" \
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-sql "SELECT object_id, siruta, cadastral_ref, area_value, layer_id, geom
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FROM gis_terenuri WHERE geom IS NOT NULL" &
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# Cladiri for overview — let tippecanoe handle simplification
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ogr2ogr -f FlatGeobuf -s_srs EPSG:3844 -t_srs EPSG:4326 \
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cladiri_overview.fgb "$PG_CONN" \
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-sql "SELECT object_id, siruta, cadastral_ref, area_value, layer_id, geom
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FROM gis_cladiri WHERE geom IS NOT NULL" &
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wait
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echo "[$(date -Iseconds)] Export complete."
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# ── Step 2: Generate PMTiles with tippecanoe ──
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echo "[$(date -Iseconds)] Generating PMTiles..."
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# Per-layer zoom ranges — avoids processing features at zoom levels where they won't appear
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# UAT boundaries: only at their respective zoom bands (saves processing z13-z18 for simple polygons)
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# Terenuri/Cladiri: only z13+/z14+ (the expensive layers skip z0-z12 entirely)
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tippecanoe \
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-o "$OUTPUT_FILE" \
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-L'{"layer":"gis_uats_z0","file":"uats_z0.fgb","minzoom":0,"maxzoom":5}' \
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-L'{"layer":"gis_uats_z5","file":"uats_z5.fgb","minzoom":5,"maxzoom":8}' \
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-L'{"layer":"gis_uats_z8","file":"uats_z8.fgb","minzoom":8,"maxzoom":12}' \
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-L'{"layer":"gis_uats_z12","file":"uats_z12.fgb","minzoom":12,"maxzoom":14}' \
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-L'{"layer":"gis_administrativ","file":"administrativ.fgb","minzoom":10,"maxzoom":16}' \
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-L'{"layer":"gis_terenuri","file":"terenuri_overview.fgb","minzoom":13,"maxzoom":18}' \
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-L'{"layer":"gis_cladiri","file":"cladiri_overview.fgb","minzoom":14,"maxzoom":18}' \
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--base-zoom=18 \
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--drop-densest-as-needed \
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--detect-shared-borders \
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--no-tile-stats \
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--hilbert \
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--force
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echo "[$(date -Iseconds)] PMTiles generated: $(du -h "$OUTPUT_FILE" | cut -f1)"
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# ── Step 3: Upload to MinIO (atomic swap) ──
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echo "[$(date -Iseconds)] Uploading to MinIO..."
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# Configure MinIO client alias (idempotent)
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mc alias set "$MINIO_ALIAS" "$MINIO_ENDPOINT" "$MINIO_ACCESS_KEY" "$MINIO_SECRET_KEY" --api S3v4 2>/dev/null || true
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# Ensure bucket exists
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mc mb --ignore-existing "${MINIO_ALIAS}/${MINIO_BUCKET}" 2>/dev/null || true
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# Upload as temp file first
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mc cp "$OUTPUT_FILE" "${MINIO_ALIAS}/${MINIO_BUCKET}/overview_new.pmtiles"
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# Atomic rename (zero-downtime swap)
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mc mv "${MINIO_ALIAS}/${MINIO_BUCKET}/overview_new.pmtiles" "${MINIO_ALIAS}/${MINIO_BUCKET}/overview.pmtiles"
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echo "[$(date -Iseconds)] Upload complete."
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# ── Step 4: Cleanup ──
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rm -f uats_z0.fgb uats_z5.fgb uats_z8.fgb uats_z12.fgb administrativ.fgb \
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terenuri_overview.fgb cladiri_overview.fgb "$OUTPUT_FILE"
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echo "[$(date -Iseconds)] Rebuild finished successfully."
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