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| #!/usr/bin/env bash | |
| set -ex | |
| # 現在のディレクトリ内のすべての .mbtiles ファイルに対して処理を行う | |
| for MBTILES_FILE in *.mbtiles; do | |
| # SQLite3 を使用して MBTiles ファイルからメタデータを取得 | |
| NAME=$(sqlite3 "$MBTILES_FILE" "SELECT value FROM metadata WHERE name='name';") | |
| DESCRIPTION=$(sqlite3 "$MBTILES_FILE" "SELECT value FROM metadata WHERE name='description';") | |
| VERSION=$(sqlite3 "$MBTILES_FILE" "SELECT value FROM metadata WHERE name='version';") | |
| ATTRIBUTION=$(sqlite3 "$MBTILES_FILE" "SELECT value FROM metadata WHERE name='attribution';") | |
| MINZOOM=$(sqlite3 "$MBTILES_FILE" "SELECT value FROM metadata WHERE name='minzoom';") | |
| MAXZOOM=$(sqlite3 "$MBTILES_FILE" "SELECT value FROM metadata WHERE name='maxzoom';") | |
| BOUNDS=$(sqlite3 "$MBTILES_FILE" "SELECT value FROM metadata WHERE name='bounds';") | |
| CENTER=$(sqlite3 "$MBTILES_FILE" "SELECT value FROM metadata WHERE name='center';") | |
| JSON_DATA=$(sqlite3 "$MBTILES_FILE" "SELECT value FROM metadata WHERE name='json';") | |
| # エラーチェック | |
| if [ -z "$NAME" ] || [ -z "$MINZOOM" ] || [ -z "$MAXZOOM" ]; then | |
| echo "Error: $MBTILES_FILE does not have complete metadata. Skipping..." | |
| continue | |
| fi | |
| # vector_layers の抽出 | |
| VECTOR_LAYERS=$(echo $JSON_DATA | jq '.vector_layers') | |
| # 出力する tile.json のファイル名を設定 | |
| TILEJSON_FILE="${MBTILES_FILE%.mbtiles}.tile.json" | |
| # tile.json を生成 | |
| cat <<EOF > "$TILEJSON_FILE" | |
| { | |
| "tilejson": "3.0.0", | |
| "name": "$NAME", | |
| "description": "$DESCRIPTION", | |
| "version": "$VERSION", | |
| "attribution": "$ATTRIBUTION", | |
| "scheme": "xyz", | |
| "tiles": [ | |
| "http://yourserver.com/{z}/{x}/{y}.pbf" | |
| ], | |
| "minzoom": $MINZOOM, | |
| "maxzoom": $MAXZOOM, | |
| "bounds": [$BOUNDS], | |
| "center": [$CENTER], | |
| "vector_layers": $VECTOR_LAYERS, | |
| "legend": "", | |
| "template": "", | |
| "grids": [], | |
| "data": [], | |
| "private": false | |
| } | |
| EOF | |
| echo "$TILEJSON_FILE has been generated successfully for $MBTILES_FILE." | |
| done |
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