# 50. Vaicājums: iegūt režģotos datus no "Vektoru analīzes kartes"

Vaicājums, lai iegūtu režģotos datus no "VectorAnalysisMap" kā `GEOJSON`  ar punktiem vai `GEOTIFF`. Atribūts properties satur sākotnējos datus (piem., indeksu vērtību) par punktu.

#### 1. Pieprasiet failu eksportēšanai

{% hint style="danger" %}
Ieteicams izgūt tikai vienu datu kopu ar `sourceDataUrl` vienā pieprasījumā. 
{% endhint %}

`NoBuffer`, `PlusOnePixel`, `PlusTwoPixels`, `MinusOnePixel`, un `MinusTwoPixels` ir pieejami kā `buferis`.

`GEOJSON` un `GEOTIFF` ir pieejami kā formāts. 

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

```graphql
query GetGriddedDataFromVectorAnalysisMap {
  getFarms(farmUuids: ["<placeholder_of_farm_uuid>"]) {
    uuid
    farmOwnership
    fields(fieldUuids: ["<placeholder_of_field_uuid>"]){
      uuid
      vectorAnalysisMaps(vectorAnalysisMapUuids: ["<placeholder_of_zonesmap_uuid>"]) {
        uuid
        sourceDataUrl(format: GEOJSON buffer: PlusTwoPixels)
      }
    }
  }
}
```

{% endcode %}

#### 2. Lejupielādējiet ģenerēto failu

Pēc veiksmīgas faila sagatavošanas to var lejupielādēt, izmantojot `curl` vai līdzīgu pieeju.

{% hint style="danger" %}
`sourceDataUrl` saite ir pieejama tikai **60 sek.**
{% endhint %}

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

```bash
curl '<sourceDataUrl>' --compressed >> '<local_filepath>'
```

{% endcode %}


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