Interactive Chart of Foodborne Illness (Chicago)

This is an interactive version of a map of foodborne illness reported in Chicago, created by Cory Nissen. I used the dataset compiled by Cory and used rCharts and its bindings to Leaflet to create this map. The code is self-explanatory.

<!doctype HTML>
<meta charset = 'utf-8'>
<html>
  <head>
    <link rel='stylesheet' href='https://cdn.leafletjs.com/leaflet-0.5.1/leaflet.css'>
    
    <script src='https://cdnjs.cloudflare.com/ajax/libs/leaflet/0.5.1/leaflet.min.js' type='text/javascript'></script>
    <script src='https://rawgithub.com/leaflet-extras/leaflet-providers/gh-pages/leaflet-providers.js' type='text/javascript'></script>
    <script src='https://harrywood.co.uk/maps/examples/leaflet/leaflet-plugins/layer/vector/kml.js' type='text/javascript'></script>
    
    <style>
    .rChart {
      display: block;
      margin-left: auto; 
      margin-right: auto;
      width: 1600px;
      height: 800px;
    }  
    </style>
    
  </head>
  <body>
    <div id='chart23b1478b52d9' class='rChart leaflet'></div>  
    
    <script>
  var spec = {
 "dom": "chart23b1478b52d9",
"width":           1600,
"height":            800,
"urlTemplate": "https://{s}.tile.osm.org/{z}/{x}/{y}.png",
"layerOpts": {
 "attribution": "Map data<a href=\"https://openstreetmap.org\">OpenStreetMap</a>\n         contributors, Imagery<a href=\"https://mapbox.com\">MapBox</a>" 
},
"center": [          41.89,         -87.38 ],
"zoom":             10,
"provider": "Stamen.TonerLite",
"features": [
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"geometry": {
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"coordinates": [    -87.6327458,     41.8816293 ] 
},
"properties": {
 "id":            132,
"restaurant": "10 S. LaSalle, Chicago, IL",
"created": "2013-11-04 11:35:42 -0600",
"month":             11,
"fillColor": "#91003F" 
} 
},
{
 "type": "Feature",
"geometry": {
 "type": "Point",
"coordinates": [    -87.7365801,     41.9317523 ] 
},
"properties": {
 "id":            131,
"restaurant": "4356 West Diversey Avenue, Chicago, IL, United States",
"created": "2013-11-02 11:30:56 -0500",
"month":             11,
"fillColor": "#91003F" 
} 
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 "type": "Feature",
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 "id":            130,
"restaurant": "3620 N Clark St, Chicago, IL",
"created": "2013-10-29 16:43:30 -0500",
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"fillColor": "#CE1256" 
} 
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"coordinates": [     -87.668037,      41.981292 ] 
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"properties": {
 "id":            129,
"restaurant": "5449 North Clark Street, Chicago, IL, United States",
"created": "2013-10-27 13:22:42 -0500",
"month":             10,
"fillColor": "#CE1256" 
} 
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 "type": "Feature",
"geometry": {
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"coordinates": [     -87.634925,     41.8894019 ] 
},
"properties": {
 "id":            128,
"restaurant": "218 West Kinzie Street, Chicago, IL, United States",
"created": "2013-10-25 16:18:08 -0500",
"month":             10,
"fillColor": "#CE1256" 
} 
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"properties": {
 "id":            127,
"restaurant": "2400 S. Home Ave. Berwyn, IL 60402",
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"fillColor": "#CE1256" 
} 
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"restaurant": "6705 N Northwest Hwy, Chicago, IL 60631",
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"fillColor": "#CE1256" 
} 
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"coordinates": [     -87.902313,       41.98032 ] 
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"properties": {
 "id":            125,
"restaurant": "Terminal 2, Concourse F, O'Hare International Airport, Chicago, IL, United States",
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} 
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"restaurant": "3343 North Halsted Street, Chicago, IL, United States",
"created": "2013-10-17 03:54:02 -0500",
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"fillColor": "#CE1256" 
} 
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"properties": {
 "id":            123,
"restaurant": "2230 North California Avenue, Chicago, IL, United States",
"created": "2013-10-13 15:33:30 -0500",
"month":             10,
"fillColor": "#CE1256" 
} 
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 "id":            122,
"restaurant": "2860 Show Place Drive, Naperville, IL, United States",
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"month":             10,
"fillColor": "#CE1256" 
} 
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"coordinates": [    -88.0795777,     41.9027789 ] 
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"properties": {
 "id":            121,
"restaurant": "235 East North Avenue, Glendale Heights, IL, United States",
"created": "2013-10-07 10:45:28 -0500",
"month":             10,
"fillColor": "#CE1256" 
} 
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"coordinates": [      55.140448,       25.08112 ] 
},
"properties": {
 "id":            120,
"restaurant": "Ritz Carlton Hotel",
"created": "2013-10-03 15:59:24 -0500",
"month":             10,
"fillColor": "#CE1256" 
} 
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},
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 "id":            119,
"restaurant": "820 West Randolph Street, Chicago, IL, United States",
"created": "2013-10-03 14:11:33 -0500",
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"fillColor": "#CE1256" 
} 
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"properties": {
 "id":            118,
"restaurant": "100 Washington Avenue, Grand Haven, MI, United States",
"created": "2013-10-01 21:48:54 -0500",
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} 
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},
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 "id":            117,
"restaurant": "1429 W Wellington Ave, Chicago, IL",
"created": "2013-10-01 04:03:52 -0500",
"month":             10,
"fillColor": "#CE1256" 
} 
},
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},
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 "id":            116,
"restaurant": "3300 North Ashland Avenue, Chicago, IL, United States",
"created": "2013-09-30 18:24:58 -0500",
"month":              9,
"fillColor": "#E7298A" 
} 
},
{
 "type": "Feature",
"geometry": {
 "type": "Point",
"coordinates": [     -87.670844,      41.943586 ] 
},
"properties": {
 "id":            115,
"restaurant": "3407 North Paulina Street, Chicago, IL, United States",
"created": "2013-09-25 08:58:10 -0500",
"month":              9,
"fillColor": "#E7298A" 
} 
},
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},
"properties": {
 "id":            114,
"restaurant": "3424 N Southport Ave, Chicago, IL",
"created": "2013-09-23 09:26:51 -0500",
"month":              9,
"fillColor": "#E7298A" 
} 
},
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"geometry": {
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},
"properties": {
 "id":            113,
"restaurant": "247 East Ontario Street, Chicago, IL, United States",
"created": "2013-09-21 14:03:44 -0500",
"month":              9,
"fillColor": "#E7298A" 
} 
},
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"geometry": {
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},
"properties": {
 "id":            112,
"restaurant": "35 East Monroe Street, Chicago, IL",
"created": "2013-09-21 13:19:39 -0500",
"month":              9,
"fillColor": "#E7298A" 
} 
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"geometry": {
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"coordinates": [    -87.6219964,     41.8849306 ] 
},
"properties": {
 "id":            111,
"restaurant": "200 East Randolph Street, Chicago, IL",
"created": "2013-09-18 09:16:30 -0500",
"month":              9,
"fillColor": "#E7298A" 
} 
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},
"properties": {
 "id":            110,
"restaurant": "4911 North Kedzie Avenue, Chicago, IL, United States",
"created": "2013-09-17 20:57:39 -0500",
"month":              9,
"fillColor": "#E7298A" 
} 
},
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},
"properties": {
 "id":            109,
"restaurant": "4729 North Central Avenue Chicago, IL 60630",
"created": "2013-09-16 20:28:36 -0500",
"month":              9,
"fillColor": "#E7298A" 
} 
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"geometry": {
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"coordinates": [    -87.6357793,     41.5331112 ] 
},
"properties": {
 "id":            108,
"restaurant": "3760 N Halsted St",
"created": "2013-09-16 13:15:56 -0500",
"month":              9,
"fillColor": "#E7298A" 
} 
},
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"geometry": {
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"coordinates": [     -87.627639,      41.901779 ] 
},
"properties": {
 "id":            107,
"restaurant": "18 East Bellevue Place, Chicago, IL, United States",
"created": "2013-09-14 16:27:37 -0500",
"month":              9,
"fillColor": "#E7298A" 
} 
},
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"restaurant": "4818 North Sheridan Road, Chicago, IL",
"created": "2013-09-10 15:42:59 -0500",
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} 
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"properties": {
 "id":            105,
"restaurant": "2413 N Clark St, Chicago IL",
"created": "2013-09-10 11:31:34 -0500",
"month":              9,
"fillColor": "#E7298A" 
} 
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},
"properties": {
 "id":            104,
"restaurant": "1505 W Jarvis Ave, Chicago, IL 60626",
"created": "2013-09-09 22:37:20 -0500",
"month":              9,
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} 
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},
"properties": {
 "id":            103,
"restaurant": "2001 North Western Avenue, Chicago, IL, United States",
"created": "2013-09-04 13:23:18 -0500",
"month":              9,
"fillColor": "#E7298A" 
} 
},
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"properties": {
 "id":            102,
"restaurant": "733 West Madison Street, Chicago, IL",
"created": "2013-09-03 19:38:12 -0500",
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} 
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},
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} 
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"properties": {
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"restaurant": "4937 Old Orchard Shopping Center, Skokie, IL",
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"properties": {
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"restaurant": "51 West Division Street, Chicago, IL, United States",
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} 
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"properties": {
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"restaurant": "3752 West 111th Street, Chicago, IL",
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"properties": {
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} 
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"properties": {
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"restaurant": "3819 W Division St, Chicago, IL",
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"properties": {
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"properties": {
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"restaurant": "333 West 35th Street, Chicago, IL, United States",
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} 
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"properties": {
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"restaurant": "1133 West Taylor Street, Chicago, IL, United States",
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} 
},
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"properties": {
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"restaurant": "2244 West Devon Avenue, Chicago, IL, United States",
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"restaurant": "6600 North Sheridan Road, Chicago, IL, United States",
"created": "2013-08-19 10:04:53 -0500",
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} 
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"properties": {
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"restaurant": "3369 North Clark Street, Chicago, IL, United States",
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} 
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},
"properties": {
 "id":             84,
"restaurant": "105 Oakbrook Center, Oak Brook, IL, United States",
"created": "2013-08-17 17:33:55 -0500",
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"properties": {
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"restaurant": "555 South State Street, Chicago, IL, United States",
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} 
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"restaurant": "410 West Huron Street, Chicago, IL, United States",
"created": "2013-08-13 12:00:51 -0500",
"month":              8,
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} 
},
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},
"properties": {
 "id":             77,
"restaurant": "330 Ridge Road, Munster, IN 46321",
"created": "2013-08-13 11:11:57 -0500",
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} 
},
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},
"properties": {
 "id":             76,
"restaurant": "20 Biesterfield Rd Elk Grove Village, IL ",
"created": "2013-08-13 10:31:12 -0500",
"month":              8,
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} 
},
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"properties": {
 "id":             75,
"restaurant": "525 W Van Buren St  Chicago, IL 60607",
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"geometry": {
 "type": "Point",
"coordinates": [    -87.6225017,     41.8925463 ] 
},
"properties": {
 "id":              7,
"restaurant": "203 East Ohio Street, Chicago, IL, United States",
"created": "2013-04-12 13:59:43 -0500",
"month":              4,
"fillColor": "#F7F4F9" 
} 
},
{
 "type": "Feature",
"geometry": {
 "type": "Point",
"coordinates": [    -87.6559364,     41.8962584 ] 
},
"properties": {
 "id":              6,
"restaurant": "1150 W Chicago Ave, Chicago, IL",
"created": "2013-04-09 20:20:27 -0500",
"month":              4,
"fillColor": "#F7F4F9" 
} 
},
{
 "type": "Feature",
"geometry": {
 "type": "Point",
"coordinates": [    -87.6753109,      41.908664 ] 
},
"properties": {
 "id":              5,
"restaurant": "1484 North Milwaukee Avenue, Chicago, IL 60622",
"created": "2013-04-08 20:55:35 -0500",
"month":              4,
"fillColor": "#F7F4F9" 
} 
} 
],
"id": "chart23b1478b52d9" 
}
  var map = L.map(spec.dom)
  
    map.setView(spec.center, spec.zoom);
    if (spec.provider){
      L.tileLayer.provider(spec.provider).addTo(map)    
    } else {
		  L.tileLayer(spec.urlTemplate, spec.layerOpts).addTo(map)
    }
     
    
    
    
    
    
    if (spec.circle2){
      for (var c in spec.circle2){
        var circle = L.circle(c.center, c.radius, c.opts)
         .addTo(map);
      }
    }
    
    
      var popup = L.popup();
      function onMapClick(e) {
        popup
          .setLatLng(e.latlng)
          .setContent("<b>Latitude:</b> " + e.latlng.lat.toFixed(2) + "<br />" +
            "<b>Longitude:</b> " + e.latlng.lng.toFixed(2))
          .openOn(map);
      }
      map.on('click', onMapClick);
    
    
      L.geoJson(spec.features 
        , 
         {
 "onEachFeature":  function(feature, layer){
      layer.bindPopup(feature.properties.restaurant)
  } ,
"pointToLayer":  function(feature, latlng){
      return L.circleMarker(latlng, {
        radius: 4,
        fillColor: feature.properties.fillColor || 'red',    
        color: '#000',
        weight: 1,
        fillOpacity: 0.8
      })
  }  
}
      ).addTo(map)
    
   
   
   
</script>
    
  </body>
</html>

Modified http://cdn.leafletjs.com/leaflet-0.5.1/leaflet.js to a secure url

Modified http://harrywood.co.uk/maps/examples/leaflet/leaflet-plugins/layer/vector/KML.js to a secure url

https://cdn.leafletjs.com/leaflet-0.5.1/leaflet.js

https://rawgithub.com/leaflet-extras/leaflet-providers/gh-pages/leaflet-providers.js

https://harrywood.co.uk/maps/examples/leaflet/leaflet-plugins/layer/vector/KML.js