app.get(tilePattern, function(req, res, next) {
var z = req.params.z | 0,
x = req.params.x | 0,
y = req.params.y | 0;
if (req.params.format != tileJSON.format) {
return res.status(404).send('Invalid format');
}
if (z < tileJSON.minzoom || 0 || x < 0 || y < 0 ||
z > tileJSON.maxzoom ||
x >= Math.pow(2, z) || y >= Math.pow(2, z)) {
return res.status(404).send('Out of bounds');
}
source.getTile(z, x, y, function(err, data, headers) {
if (err) {
console.log("Getting " + id + " tile " + z + "/" + x + "/" + y + "failed:" + err);
if (/does not exist/.test(err.message)) {
planetSource.getTile(z, x, y, function(err, data, headers) {
console.log("" + id + " tile not found, getting planet tile " + z + "/" + x + "/" + y);
if (err) {
console.log("Getting planet tile " + z + "/" + x + "/" + y + "failed:" + err);
if (/does not exist/.test(err.message)) {
return res.status(404).send(err.message);
} else {
return res.status(500).send(err.message);
}
} else {
if (tileJSON['format'] == 'pbf') {
headers['Content-Type'] = 'application/x-protobuf';
headers['Content-Encoding'] = 'gzip';
}
delete headers['ETag']; // do not trust the tile ETag -- regenerate
res.set(headers);
if (data == null) {
return res.status(404).send('Not found');
} else {
console.log("Planet tile " + z + "/" + x + "/" + y + "found");
return res.status(200).send(data);
}
}
});
} else {
return res.status(500).send(err.message);
}
} else {
if (tileJSON['format'] == 'pbf') {
headers['Content-Type'] = 'application/x-protobuf';
headers['Content-Encoding'] = 'gzip';
}
delete headers['ETag']; // do not trust the tile ETag -- regenerate
res.set(headers);
if (data == null) {
return res.status(404).send('Not found');
} else {
return res.status(200).send(data);
}
}
});
});
app.get(tilePattern, function(req, res, next) {
var z = req.params.z | 0,
x = req.params.x | 0,
y = req.params.y | 0;
if (req.params.format != tileJSON.format) {
return res.status(404).send('Invalid format');
}
if (z < tileJSON.minzoom || 0 || x < 0 || y < 0 ||
z > tileJSON.maxzoom ||
x >= Math.pow(2, z) || y >= Math.pow(2, z)) {
return res.status(404).send('Out of bounds');
}
source.getTile(z, x, y, function(err, data, headers) {
if (err) {
if (/does not exist/.test(err.message)) {
return res.status(404).send(err.message);
} else {
return res.status(500).send(err.message);
}
} else {
var md5 = crypto.createHash('md5').update(data).digest('base64');
headers['content-md5'] = md5;
if (tileJSON['format'] == 'pbf') {
headers['content-type'] = 'application/x-protobuf';
headers['content-encoding'] = 'gzip';
}
res.set(headers);
if (data == null) {
return res.status(404).send('Not found');
} else {
return res.status(200).send(data);
}
}
});
});
.pipe(through(function (tile) {
var parts = tile.split('/')
var z = parts[0]
var x = parts[1]
var y = parts[2]
var streamSelf = this;
var outputFile = outputDir + '/' + tile + '.pbf'
if (fs.existsSync(outputFile)) {
return
}
streamSelf.pause()
source.getTile(z, x, y, function(err, data, headers) {
if (err) {
// console.error(err)
streamSelf.resume()
return
}
if (data == null) {
// console.error('Not found')
streamSelf.resume()
return
}
zlib.gunzip(data, function (err, ungzipped) {
if (err) {
// console.error(err)
streamSelf.resume()
return
}
mkdirp(path.dirname(outputFile), function () {
fs.writeFile(outputFile, ungzipped, function () {
streamSelf.resume()
})
})
})
});
}))