Fabio/tileserver-gl
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Add concept of data decorator function

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This commit is contained in:
Petr Sloup 2017-07-28 09:53:32 +02:00
parent 427a0f0687
commit 42f24c2c99
3 changed files with 28 additions and 1 deletions
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11
src/serve_data.js
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@ -50,6 +50,10 @@ module.exports = function(options, repo, params, id, styles) {
Object.assign(tileJSON, params.tilejson || {});
utils.fixTileJSONCenter(tileJSON);
if (options.dataDecoratorFunc) {
tileJSON = options.dataDecoratorFunc(id, 'tilejson', tileJSON);
}
resolve();
});
});
@ -114,6 +118,13 @@ module.exports = function(options, repo, params, id, styles) {
//console.log(shrinkers[style].getStats());
}
}
if (options.dataDecoratorFunc) {
if (isGzipped) {
data = zlib.unzipSync(data);
isGzipped = false;
}
data = options.dataDecoratorFunc(id, 'data', data, z, x, y);
}
}
if (format == 'pbf') {
headers['Content-Type'] = 'application/x-protobuf';

12
src/serve_rendered.js
View file

@ -100,7 +100,8 @@ module.exports = function(options, repo, params, id, dataResolver) {
});
} else if (protocol == 'mbtiles') {
var parts = req.url.split('/');
var source = map.sources[parts[2]];
var sourceId = parts[2];
var source = map.sources[sourceId];
var z = parts[3] | 0,
x = parts[4] | 0,
y = parts[5].split('.')[0] | 0,
@ -118,6 +119,10 @@ module.exports = function(options, repo, params, id, dataResolver) {
if (format == 'pbf') {
response.data = zlib.unzipSync(data);
if (options.dataDecoratorFunc) {
response.data = options.dataDecoratorFunc(
sourceId, 'data', response.data, z, x, y);
}
} else {
response.data = data;
}
@ -258,6 +263,11 @@ module.exports = function(options, repo, params, id, dataResolver) {
'mbtiles://' + name + '/{z}/{x}/{y}.' + (info.format || 'pbf')
];
delete source.scheme;
if (options.dataDecoratorFunc) {
source = options.dataDecoratorFunc(name, 'tilejson', source);
}
if (source.format == 'pbf') {
map.sources[name].emptyTile = new Buffer(0);
} else {

6
src/server.js
View file

@ -89,6 +89,12 @@ function start(opts) {
checkPath('sprites');
checkPath('mbtiles');
if (options.dataDecorator) {
try {
options.dataDecoratorFunc = require(path.resolve(paths.root, options.dataDecorator));
} catch (e) {}
}
var data = clone(config.data || {});
if (opts.cors) {