Merge pull request #18 from geolonia/create-tiles-json

Tiles.json を生成

.dockerignore

@@ -0,0 +1,5 @@
+node_modules
+.github
+.env.test
+README.md
+action.yml

bin/createTilesJson.js

@@ -0,0 +1,58 @@
+const fs = require('fs');
+const path = require('path');
+const sqlite3 = require('sqlite3');
+const { open } = require("sqlite");
+
+async function main() {
+  const mbtilesPath = process.argv[2];
+
+  const basename = path.basename(mbtilesPath, ".mbtiles");
+  const db = await open({
+    filename: mbtilesPath,
+    driver: sqlite3.Database,
+  });
+
+  const {value} = await db.get("SELECT value FROM metadata WHERE name = 'json'");
+  const theJSON = JSON.parse(value);
+  delete theJSON['tilestats'];
+
+  await db.run(
+    "UPDATE metadata SET value = ? WHERE name = 'json'",
+    [
+      JSON.stringify(theJSON),
+    ],
+  );
+
+  await db.run(
+    "DELETE FROM metadata WHERE name IN ('generator_options', 'generator', 'strategies')",
+  );
+
+  const metadataRows = await db.all("SELECT * FROM metadata");
+  const metadataOut = {
+    "tilejson": "3.0.0",
+  };
+  for (const row of metadataRows) {
+    if (row.name === "json") {
+      const json = JSON.parse(row.value);
+      for (const key of Object.keys(json)) {
+        metadataOut[key] = json[key];
+      }
+    } else {
+      let val = row.value;
+      if (row.name === 'bounds' || row.name === 'center') {
+        val = row.value.split(",").map((v) => parseFloat(v));
+      } else if (row.name === 'minzoom' || row.name === 'maxzoom') {
+        val = parseInt(row.value, 10);
+      }
+      metadataOut[row.name] = val;
+    }
+  }
+  await fs.promises.writeFile(path.join(path.dirname(mbtilesPath), `${basename}.json`), JSON.stringify(metadataOut, null, 2));
+
+  await db.close();
+}
+
+main().catch(err => {
+  console.error(err);
+  process.exit(1);
+});

entrypoint.sh

@@ -2,15 +2,18 @@
 set -e
 
 npm install
+
 ls
 
 echo "INPUT_DIR: $INPUT_DIR"
 
+find  ./ -name "napi-v6-linux-glibc-arm64/";
+
 node ./bin/excel2geojson.js $INPUT_DIR
 node ./bin/geojson2mbtiles.js $INPUT_DIR
+node ./bin/createTilesJson.js ./smart-city-data-v1.mbtiles
 
 ls $INPUT_DIR
 ls
 
-
 exit 0