GeoJSON example for GDI

data.js

var geojson = {
  "type": "FeatureCollection",
  "features": [
    {
      "type": "Feature",
      "properties": {},
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -87.63047218322754,
              41.88266210339971
            ],
            [
              -87.63442039489746,
              41.88074501119368
            ],
            [
              -87.63450622558592,
              41.87614375523096
            ],
            [
              -87.63304710388184,
              41.87250085930771
            ],
            [
              -87.6258373260498,
              41.87250085930771
            ],
            [
              -87.62017250061035,
              41.87262868373214
            ],
            [
              -87.6200008392334,
              41.877933171916546
            ],
            [
              -87.62042999267578,
              41.88093672300255
            ],
            [
              -87.62626647949217,
              41.88387623204765
            ],
            [
              -87.63047218322754,
              41.88266210339971
            ]
          ]
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {},
      "geometry": {
        "type": "Point",
        "coordinates": [
          -87.63665199279785,
          41.88464303825411
        ]
      }
    },
    {
      "type": "Feature",
      "properties": {
        "stroke": "#555555",
        "stroke-width": 2,
        "stroke-opacity": 1
      },
      "geometry": {
        "type": "LineString",
        "coordinates": [
          [
            -87.63673782348633,
            41.87901957903126
          ],
          [
            -87.63236045837402,
            41.888093552297626
          ],
          [
            -87.62592315673828,
            41.88566543221384
          ]
        ]
      }
    }
  ]
}