Process queries for HexGrid objects.
:param request: HTTP GET request
:return: JSON format of HexGrid (only pk and count) or GeoJSON of the geom of HexGrid.

GET /api/occurrence/grid/?type=occurrence&taxon=2263
HTTP 200 OK
Allow: OPTIONS, GET
Content-Type: application/json
Vary: Accept

{
    "features": [
        {
            "properties": {
                "pk": "441378"
            },
            "type": "Feature",
            "geometry": {
                "coordinates": [
                    [
                        [
                            [
                                -4249998.25156128,
                                1154701.07675875
                            ],
                            [
                                -4166664.87937375,
                                1299038.7113536
                            ],
                            [
                                -3999998.13499869,
                                1299038.7113536
                            ],
                            [
                                -3916664.76281117,
                                1154701.07675875
                            ],
                            [
                                -3999998.13499869,
                                1010363.44216391
                            ],
                            [
                                -4166664.87937375,
                                1010363.44216391
                            ],
                            [
                                -4249998.25156128,
                                1154701.07675875
                            ]
                        ]
                    ]
                ],
                "type": "MultiPolygon"
            }
        },
        {
            "properties": {
                "pk": "441489"
            },
            "type": "Feature",
            "geometry": {
                "coordinates": [
                    [
                        [
                            [
                                -3749998.01843611,
                                1443376.34594844
                            ],
                            [
                                -3666664.64624859,
                                1587713.98054329
                            ],
                            [
                                -3499997.90187353,
                                1587713.98054329
                            ],
                            [
                                -3416664.529686,
                                1443376.34594844
                            ],
                            [
                                -3499997.90187353,
                                1299038.7113536
                            ],
                            [
                                -3666664.64624859,
                                1299038.7113536
                            ],
                            [
                                -3749998.01843611,
                                1443376.34594844
                            ]
                        ]
                    ]
                ],
                "type": "MultiPolygon"
            }
        },
        {
            "properties": {
                "pk": "442343"
            },
            "type": "Feature",
            "geometry": {
                "coordinates": [
                    [
                        [
                            [
                                250003.846565192,
                                -6062180.65298346
                            ],
                            [
                                333337.218752719,
                                -5917843.01838861
                            ],
                            [
                                500003.963127773,
                                -5917843.01838861
                            ],
                            [
                                583337.3353153,
                                -6062180.65298346
                            ],
                            [
                                500003.963127773,
                                -6206518.2875783
                            ],
                            [
                                333337.218752719,
                                -6206518.2875783
                            ],
                            [
                                250003.846565192,
                                -6062180.65298346
                            ]
                        ]
                    ]
                ],
                "type": "MultiPolygon"
            }
        },
        {
            "properties": {
                "pk": "442398"
            },
            "type": "Feature",
            "geometry": {
                "coordinates": [
                    [
                        [
                            [
                                500003.963127773,
                                -6206518.2875783
                            ],
                            [
                                583337.3353153,
                                -6062180.65298346
                            ],
                            [
                                750004.079690354,
                                -6062180.65298346
                            ],
                            [
                                833337.451877881,
                                -6206518.2875783
                            ],
                            [
                                750004.079690354,
                                -6350855.92217315
                            ],
                            [
                                583337.3353153,
                                -6350855.92217315
                            ],
                            [
                                500003.963127773,
                                -6206518.2875783
                            ]
                        ]
                    ]
                ],
                "type": "MultiPolygon"
            }
        },
        {
            "properties": {
                "pk": "443060"
            },
            "type": "Feature",
            "geometry": {
                "coordinates": [
                    [
                        [
                            [
                                3500005.36187875,
                                -5629167.74919892
                            ],
                            [
                                3583338.73406628,
                                -5484830.11460408
                            ],
                            [
                                3750005.47844133,
                                -5484830.11460408
                            ],
                            [
                                3833338.85062886,
                                -5629167.74919892
                            ],
                            [
                                3750005.47844133,
                                -5773505.38379377
                            ],
                            [
                                3583338.73406628,
                                -5773505.38379377
                            ],
                            [
                                3500005.36187875,
                                -5629167.74919892
                            ]
                        ]
                    ]
                ],
                "type": "MultiPolygon"
            }
        },
        {
            "properties": {
                "pk": "443392"
            },
            "type": "Feature",
            "geometry": {
                "coordinates": [
                    [
                        [
                            [
                                5000006.06125424,
                                -5051817.21081955
                            ],
                            [
                                5083339.43344177,
                                -4907479.5762247
                            ],
                            [
                                5250006.17781682,
                                -4907479.5762247
                            ],
                            [
                                5333339.55000435,
                                -5051817.21081955
                            ],
                            [
                                5250006.17781682,
                                -5196154.84541439
                            ],
                            [
                                5083339.43344177,
                                -5196154.84541439
                            ],
                            [
                                5000006.06125424,
                                -5051817.21081955
                            ]
                        ]
                    ]
                ],
                "type": "MultiPolygon"
            }
        },
        {
            "properties": {
                "pk": "443664"
            },
            "type": "Feature",
            "geometry": {
                "coordinates": [
                    [
                        [
                            [
                                6250006.64406715,
                                -5773505.38379377
                            ],
                            [
                                6333340.01625468,
                                -5629167.74919892
                            ],
                            [
                                6500006.76062973,
                                -5629167.74919892
                            ],
                            [
                                6583340.13281726,
                                -5773505.38379377
                            ],
                            [
                                6500006.76062973,
                                -5917843.01838861
                            ],
                            [
                                6333340.01625468,
                                -5917843.01838861
                            ],
                            [
                                6250006.64406715,
                                -5773505.38379377
                            ]
                        ]
                    ]
                ],
                "type": "MultiPolygon"
            }
        }
    ],
    "crs": {
        "type": "name",
        "properties": {
            "name": "EPSG:3031"
        }
    },
    "type": "FeatureCollection"
}