# 51. Poizvedba: pridobi mrežne podatke iz »YieldDataset«

Poizvedba za pridobitev mrežnih podatkov iz rastrskega niza, povezanega s "YieldDataset", kot `GEOJSON`  s točkami ali `GEOTIFF`.Atribut properties vsebuje vse atribute niza na točko. 

#### 1. Zahtevajte datoteko za izvoz

{% hint style="danger" %}
Priporočamo pridobitev samo ene zbirke podatkov z `sourceDataUrl` na zahtevo. 
{% endhint %}

`BrezPufra`, `PlusEnPixel`, `PlusDvaPixla`, `MinusEnPixel`, in `MinusDvaPixla` so na voljo kot `pufr`.

`GEOJSON` in `GEOTIFF` so na voljo kot format. 

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

```graphql
query GetGriddedDataFromYieldDataset {
  getFarms (farmUuids: ["<placeholder_of_farm_uuid>"]){
    uuid
    fields (fieldUuids: ["<placeholder_of_field_uuid>"]) {
      uuid
      yieldDatasets(yieldDatasetUuids: ["<placeholder_of_dataset_uuid>"]) {
        uuid
        sourceDataUrl(format: GEOJSON buffer: PlusTwoPixels)
      }
    }
  }
}
```

{% endcode %}

#### 2. Prenesite ustvarjeno datoteko

Po uspešni pripravi datoteke jo je mogoče prenesti z uporabo `curl` ali podobnega pristopa.

{% hint style="danger" %}
`sourceDataUrl` povezava je dostopna samo za **60 sek.**
{% endhint %}

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

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

{% endcode %}


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