goog.require('ol.Map'); goog.require('ol.View2D'); goog.require('ol.interaction'); goog.require('ol.interaction.Draw'); goog.require('ol.layer.Tile'); goog.require('ol.layer.Vector'); goog.require('ol.source.MapQuest'); goog.require('ol.source.Vector'); goog.require('ol.style.Circle'); goog.require('ol.style.Fill'); goog.require('ol.style.Stroke'); goog.require('ol.style.Style');