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/?taxon=4311105
HTTP 200 OK
Allow: OPTIONS, GET
Content-Type: application/json
Vary: Accept

{
    "features": [
        {
            "properties": {
                "pk": "441105"
            },
            "type": "Feature",
            "geometry": {
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                            ],
                            [
                                -5249998.7178116,
                                1732051.61513813
                            ],
                            [
                                -5166665.34562408,
                                1587713.98054329
                            ],
                            [
                                -5249998.7178116,
                                1443376.34594844
                            ],
                            [
                                -5416665.46218666,
                                1443376.34594844
                            ],
                            [
                                -5499998.83437418,
                                1587713.98054329
                            ]
                        ]
                    ]
                ],
                "type": "MultiPolygon"
            }
        },
        {
            "properties": {
                "pk": "441217"
            },
            "type": "Feature",
            "geometry": {
                "coordinates": [
                    [
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                            ],
                            [
                                -4749998.48468644,
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                            ],
                            [
                                -4666665.11249891,
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                            ],
                            [
                                -4749998.48468644,
                                2020726.88432782
                            ],
                            [
                                -4916665.22906149,
                                2020726.88432782
                            ],
                            [
                                -4999998.60124902,
                                2165064.51892266
                            ]
                        ]
                    ]
                ],
                "type": "MultiPolygon"
            }
        },
        {
            "properties": {
                "pk": "441268"
            },
            "type": "Feature",
            "geometry": {
                "coordinates": [
                    [
                        [
                            [
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                            ],
                            [
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                            ],
                            [
                                -4499998.36812386,
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                            ],
                            [
                                -4416664.99593633,
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                            ],
                            [
                                -4499998.36812386,
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                            ],
                            [
                                -4666665.11249891,
                                1010363.44216391
                            ],
                            [
                                -4749998.48468644,
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                            ]
                        ]
                    ]
                ],
                "type": "MultiPolygon"
            }
        },
        {
            "properties": {
                "pk": "441271"
            },
            "type": "Feature",
            "geometry": {
                "coordinates": [
                    [
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                            ],
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                            ],
                            [
                                -4499998.36812386,
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                            ],
                            [
                                -4416664.99593633,
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                            ],
                            [
                                -4499998.36812386,
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                            ],
                            [
                                -4666665.11249891,
                                1876389.24973297
                            ],
                            [
                                -4749998.48468644,
                                2020726.88432782
                            ]
                        ]
                    ]
                ],
                "type": "MultiPolygon"
            }
        },
        {
            "properties": {
                "pk": "441326"
            },
            "type": "Feature",
            "geometry": {
                "coordinates": [
                    [
                        [
                            [
                                -4499998.36812386,
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                            ],
                            [
                                -4416664.99593633,
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                            ],
                            [
                                -4249998.25156128,
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                            ],
                            [
                                -4166664.87937375,
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                            ],
                            [
                                -4249998.25156128,
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                            ],
                            [
                                -4416664.99593633,
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                            ],
                            [
                                -4499998.36812386,
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                            ]
                        ]
                    ]
                ],
                "type": "MultiPolygon"
            }
        },
        {
            "properties": {
                "pk": "441328"
            },
            "type": "Feature",
            "geometry": {
                "coordinates": [
                    [
                        [
                            [
                                -4499998.36812386,
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                            ],
                            [
                                -4416664.99593633,
                                2598077.4227072
                            ],
                            [
                                -4249998.25156128,
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                            ],
                            [
                                -4166664.87937375,
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                            ],
                            [
                                -4249998.25156128,
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                            ],
                            [
                                -4416664.99593633,
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                            ],
                            [
                                -4499998.36812386,
                                2453739.78811235
                            ]
                        ]
                    ]
                ],
                "type": "MultiPolygon"
            }
        },
        {
            "properties": {
                "pk": "441379"
            },
            "type": "Feature",
            "geometry": {
                "coordinates": [
                    [
                        [
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                            ],
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                            ],
                            [
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                            ],
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                            ],
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                            ]
                        ]
                    ]
                ],
                "type": "MultiPolygon"
            }
        },
        {
            "properties": {
                "pk": "441380"
            },
            "type": "Feature",
            "geometry": {
                "coordinates": [
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                            ],
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                            [
                                -3999998.13499869,
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                            ],
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                            ],
                            [
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                            ],
                            [
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                            ],
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                            ]
                        ]
                    ]
                ],
                "type": "MultiPolygon"
            }
        },
        {
            "properties": {
                "pk": "441434"
            },
            "type": "Feature",
            "geometry": {
                "coordinates": [
                    [
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                            ],
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                            ],
                            [
                                -3749998.01843611,
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                            ],
                            [
                                -3666664.64624859,
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                            ],
                            [
                                -3749998.01843611,
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                            ],
                            [
                                -3916664.76281117,
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                            ],
                            [
                                -3999998.13499869,
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                            ]
                        ]
                    ]
                ],
                "type": "MultiPolygon"
            }
        },
        {
            "properties": {
                "pk": "441435"
            },
            "type": "Feature",
            "geometry": {
                "coordinates": [
                    [
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                            ],
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                            ],
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                            ],
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                ],
                "type": "MultiPolygon"
            }
        },
        {
            "properties": {
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            },
            "type": "Feature",
            "geometry": {
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                ],
                "type": "MultiPolygon"
            }
        },
        {
            "properties": {
                "pk": "441489"
            },
            "type": "Feature",
            "geometry": {
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                "type": "MultiPolygon"
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        {
            "properties": {
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            "geometry": {
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                "type": "MultiPolygon"
            }
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        {
            "properties": {
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                "type": "MultiPolygon"
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        {
            "properties": {
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        {
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                "type": "MultiPolygon"
            }
        },
        {
            "properties": {
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            "geometry": {
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        {
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        {
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}