# 73. Query: gerasterte Daten mit dem ausgewählten Puffer abrufen

Abfrage zum Abruf von rasterbasierten Daten aus Datensätzen wie "FieldSatelliteImage", "TopographyMap", "SoilDataset", "YieldDataset", "AsAppliedDataset", "VectorAnalysisMap" mit dem ausgewählten Puffer.

{% hint style="danger" %}
Empfohlen wird, nur einen einzelnen Datensatz mit abzurufen `sourceDataUrl` pro Anfrage. 
{% endhint %}

`NoBuffer`, `PlusOnePixel`, `PlusTwoPixels`, `MinusOnePixel`, und `MinusTwoPixels` sind verfügbar als ein `Puffer`.

{% hint style="danger" %}
`sourceDataUrl` Link ist nur erreichbar für **60 Sek.**
{% endhint %}

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

```graphql
query GetRawVectorDataFromSatelliteImage {
  getFarms (farmUuids: ["<placeholder_of_farm_uuid>"]){
    uuid
    name
    fields (fieldUuids: ["<placeholder_of_field_uuid>"]) {
      uuid
      name
      satelliteImages(satelliteImageUuids: ["<placeholder_of_satelliteimage_uuid>"]) {
        sourceDataUrl(format: GEOJSON buffer: PlusTwoPixels)
      }
    }
  }
}
```

{% endcode %}


---

# Agent Instructions: Querying This Documentation

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Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.