# 81. Dotaz: Získat GeoJSON „EquationMap“

Získat GeoJSON "EquationMaps" filtrovaný podle `equationMapUuids`.

Atribut `equationMapGeojson` obsahuje GeoJSON s `Polygony` nebo `MultyPolygons` včetně ge prostorových atributů prvku jako `id`, `value` a `plocha` v definovaných jednotkách.

Klíčové informace:

* Parametr `asMultiGeometry: true` znamená, že `Polygony` (buňky "Equation Map") budou sloučeny do `MultiPolygony` na základě `value` atributu každé buňky "Equation Map".
* Výstupní plochu lze nakonfigurovat pomocí `unit` parametru. Dostupné možnosti: `AKRY`,  `HEKTARY`, `ČTVEREČNÍ_METRY`

{% code overflow="wrap" lineNumbers="true" %}

```graphql
query GetEquationMapGeometries {
  getFields (filter: {fieldUuid: "<placeholder_of_farm_uuid>"}) {
    fields {
      equationMaps(equationMapUuids: ["<placeholder_of_equationmap_uuid>"]) {
        equationMapGeojson(unit: HECTARES, asMultiGeometry: true)        
      }
    }
  }
}
```

{% endcode %}

Pokud nejsou požadovány geometrie (vyžadují se pouze atributy), pak existuje `attributesJson` místo `equationMapGeojson` k použití.

{% code overflow="wrap" lineNumbers="true" %}

```graphql
query GetEquationMapAttributes {
  getFields (filter: {fieldUuid: "<placeholder_of_farm_uuid>"}) {
    fields {
      equationMaps(equationMapUuids: ["<placeholder_of_equationmap_uuid>"]) {
        attributesJson(unit: HECTARES, asMultiGeometry: true)        
      }
    }
  }
}
```

{% endcode %}


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