goog.require('ol.Feature'); goog.require('ol.Map'); goog.require('ol.View'); goog.require('ol.geom.LineString'); goog.require('ol.geom.Point'); goog.require('ol.geom.Polygon'); goog.require('ol.interaction'); goog.require('ol.interaction.Pointer'); goog.require('ol.layer.Tile'); goog.require('ol.layer.Vector'); goog.require('ol.source.TileJSON'); goog.require('ol.source.Vector'); goog.require('ol.style.Fill'); goog.require('ol.style.Icon'); goog.require('ol.style.Stroke'); goog.require('ol.style.Style');