Add raster view for raster data

src/serve_data.js

@@ -30,6 +30,7 @@ module.exports = function(options, repo, params, id) {
       tileJSON['tilejson'] = '2.0.0';
       tileJSON['basename'] = id;
       tileJSON['filesize'] = fs.statSync(mbtilesFile)['size'];
+      delete tileJSON['scheme'];
 
       Object.assign(tileJSON, params.tilejson || {});
       utils.fixTileJSONCenter(tileJSON);

src/server.js

@@ -253,13 +253,14 @@ module.exports = function(opts, callback) {
   });
   */
 
-  serveTemplate('/data/:id/$', 'xray', function(params) {
+  serveTemplate('/data/:id/$', 'data', function(params) {
     var id = params.id;
-    var data = serving.data[id];
+    var data = clone(serving.data[id]);
     if (!data) {
       return null;
     }
     data.id = id;
+    data.is_vector = data.format == 'pbf';
     return data;
   });