Added comments

dist/vizicities.js

@@ -12583,6 +12583,9 @@ return /******/ (function(modules) { // webpackBootstrap
 	
 	var _enginePickingMaterial2 = _interopRequireDefault(_enginePickingMaterial);
 	
+	// TODO: Look into using a GeoJSONLayer to represent and output the tile data
+	// instead of duplicating a lot of effort within this class
+	
 	// TODO: Map picking IDs to some reference within the tile data / geometry so
 	// that something useful can be done when an object is picked / clicked on
 	
@@ -16783,6 +16786,9 @@ return /******/ (function(modules) { // webpackBootstrap
 	
 	// TODO: Move duplicated logic between geometry layrs into GeometryLayer
 	
+	// TODO: Look at ways to drop unneeded references to array buffers, etc to
+	// reduce memory footprint
+	
 	var _Layer2 = __webpack_require__(37);
 	
 	var _Layer3 = _interopRequireDefault(_Layer2);
@@ -17379,6 +17385,9 @@ return /******/ (function(modules) { // webpackBootstrap
 	
 	// TODO: Move duplicated logic between geometry layrs into GeometryLayer
 	
+	// TODO: Look at ways to drop unneeded references to array buffers, etc to
+	// reduce memory footprint
+	
 	var _Layer2 = __webpack_require__(37);
 	
 	var _Layer3 = _interopRequireDefault(_Layer2);

src/layer/tile/GeoJSONTile.js

@@ -10,6 +10,9 @@ import GeoJSON from '../../util/GeoJSON';
 import Buffer from '../../util/Buffer';
 import PickingMaterial from '../../engine/PickingMaterial';
 
+// TODO: Look into using a GeoJSONLayer to represent and output the tile data
+// instead of duplicating a lot of effort within this class
+
 // TODO: Map picking IDs to some reference within the tile data / geometry so
 // that something useful can be done when an object is picked / clicked on