var iconData = {
  "blue-dot": { width: 32, height: 32 }
};

var cameraLayer = [
  {
    "zoom": [0, 17],
    "places": [
    
      {
        "name": "",
        "cam_img": "http://addsensor.brokenloop.org/statics/geoitems/p4290024_90x90.jpg",
        "cam_type": "Marker1",
        "posn": [40.420554,-3.720353],
        "address": "Estación RENFE Príncipe Pío",
        "item_url": "/cameras/24/"
      },
  
    ]
  }
];