CIESIN.ol.init = function(){
  //shortcuts 
  var ol = CIESIN.ol;
  var lyrs = SEDAC.layers;

  //layers with custom params/options
  var bounds = ol.createLayer(lyrs.cartographic.layers['national-boundaries'], {}, { isBaseLayer:false });
  
  //layers created with defaults
  var hfi = ol.createLayer(lyrs['wildareas-v2'].datasets['wildareas-v2-human-footprint-geographic'].layers['wildareas-v2-human-footprint-geographic']);
  var hii = ol.createLayer(lyrs['wildareas-v2'].datasets['wildareas-v2-human-influence-index-geographic'].layers['wildareas-v2-human-influence-index-geographic']);

  var uiOpts = {
    layers:{ enabled: true, visible: false, width: "170px" },
    titlebar: {enabled: true}
  };
  //create map & add legends
  var map = ol.createMap('map', {
    layers:[bounds, hfi, hii],
    gist_ui: uiOpts
  });
  map.setBaseLayer(hfi);
}//genMap