mbtiles-terrain-server
Version:
Import terrain tiles from a folder, and serve them either as TMS or slippy maps.
201 lines • 11.2 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) try {
if (f = 1, y && (t = y[op[0] & 2 ? "return" : op[0] ? "throw" : "next"]) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [0, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
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case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
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} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
Object.defineProperty(exports, "__esModule", { value: true });
var fs = require("fs");
var path = require("path");
var sqlite3 = require("sqlite3");
var ProgressBar = require("progress");
var sqlite3_1 = require("sqlite3");
var async_1 = require("async");
var utils_1 = require("./utils");
var poolboy_1 = require("./poolboy");
var TilesImporter = (function () {
function TilesImporter(options) {
this.options = options;
this.log = utils_1.logger(options.verbose);
this.process();
}
TilesImporter.prototype.process = function () {
return __awaiter(this, void 0, void 0, function () {
var _this = this;
var regex, mbtiles, isTms, ready, myPool, unprocessedFiles, processedFiles, processFile;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
regex = path.sep === '\\' ? /\\(\d+)\\(\d+)\\(\d+)\./ : /\/(\d+)\/(\d+)\/(\d+)\./;
return [4, this.initDatabase(this.options.src)];
case 1:
mbtiles = _a.sent();
isTms = this.options.format === 'tms';
ready = function () {
_this.log.info('Finished processing all files...');
_this.log.info("Unprocessed " + unprocessedFiles + ", allready processed " + processedFiles + " files.");
};
myPool = poolboy_1.createPool(mbtiles, sqlite3.OPEN_READWRITE, true);
unprocessedFiles = 0;
processedFiles = 0;
processFile = function (f) { return __awaiter(_this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2, new Promise(function (resolve, reject) {
unprocessedFiles++;
var m = regex.exec(f);
var z = +m[1];
var x = +m[2];
var y = isTms ? +m[3] : utils_1.tms2slippy(z, +m[3]);
fs.readFile(f, function (err, data) {
if (!err) {
myPool.acquire().then(function (db) {
db.run('INSERT INTO tiles(zoom_level, tile_column, tile_row, tile_data) VALUES (?, ?, ?, ?)', z, x, y, data, function () {
processedFiles++;
myPool.release(db);
if (processedFiles >= unprocessedFiles) {
ready();
}
resolve();
});
});
}
else {
processedFiles++;
resolve();
}
});
})];
});
}); };
this.log.info("Reading all files in " + this.options.input + "...");
console.time('Processing');
utils_1.walkTalk(this.options.input, 100, regex, processFile, function (err, count) {
_this.log.info("Found " + count + " files, allready processed " + processedFiles + " files.");
console.timeEnd('Processing');
});
return [2];
}
});
});
};
TilesImporter.prototype.importFiles2 = function (db, files, regex) {
return __awaiter(this, void 0, void 0, function () {
var _this = this;
var isTms, validFiles, filesToBeProcessed, bar, stmt;
return __generator(this, function (_a) {
this.log.info("Extracting zoom, x and y...");
isTms = this.options.format === 'tms';
validFiles = files.filter(function (f) { return regex.test(f); }).map(function (f) {
var m = regex.exec(f);
var z = +m[1];
var x = +m[2];
var y = isTms ? +m[3] : utils_1.tms2slippy(z, +m[3]);
return { z: z, x: x, y: y, f: f };
});
filesToBeProcessed = validFiles.length;
bar = new ProgressBar(' :current of :total :percent :etas', {
complete: '=',
incomplete: ' ',
width: 40,
total: filesToBeProcessed
});
this.log.info("Found " + filesToBeProcessed + " files: processing started...");
stmt = db.prepare('INSERT INTO tiles(zoom_level, tile_column, tile_row, tile_data) VALUES (?, ?, ?, ?)');
console.time('Processing');
async_1.eachLimit(validFiles, 100, function (vf, done) {
var x = vf.x, y = vf.y, z = vf.z, f = vf.f;
fs.readFile(f, function (err, data) {
filesToBeProcessed--;
bar.tick(1);
if (err) {
return _this.log.error(err);
}
stmt.run(z, x, y, data);
if (filesToBeProcessed <= 0) {
stmt.finalize();
console.timeEnd('Processing');
}
done();
});
}, function (err) {
if (err) {
_this.log.error(err);
process.exit(1);
}
_this.log.info('DONE');
db.close();
process.exit(0);
});
return [2];
});
});
};
TilesImporter.prototype.initDatabase = function (mbtiles) {
return __awaiter(this, void 0, void 0, function () {
var _this = this;
return __generator(this, function (_a) {
mbtiles = path.resolve(mbtiles);
if (fs.existsSync(mbtiles)) {
throw new Error("Database " + mbtiles + " already exists - cannot append!");
}
return [2, new Promise(function (resolve, reject) {
var db = new sqlite3_1.Database(mbtiles, function (err) {
if (err) {
throw new Error(err.message);
}
_this.log.info("Connected to " + mbtiles + " database.");
db.run("CREATE TABLE metadata (name text, value text)", function (result, err2) {
if (err2) {
throw new Error(err2.message);
}
var stmt = db.prepare('INSERT INTO metadata(name, value) VALUES (?, ?)');
stmt.run('name', path.basename(mbtiles));
stmt.run('type', 'baselayer');
stmt.run('version', 1);
stmt.run('description', 'A set of tiles: it was created to serve Cesium v1 height tiles');
stmt.run('format', 'unknown');
stmt.run('tms', _this.options.format === 'tms');
stmt.finalize();
db.run('CREATE TABLE tiles (zoom_level integer, tile_column integer, tile_row integer, tile_data blob)');
db.close();
resolve(mbtiles);
});
});
})];
});
});
};
return TilesImporter;
}());
exports.TilesImporter = TilesImporter;
//# sourceMappingURL=tiles-importer.js.map