# 6. Generate ZonesMap

The diagram in question outlines the process of generating a ZonesMap using various data layers, such as Satellite Images ([Request 1 or R1](/geopard-tutorials/api-docs/geopard-api-requests-overview/3.-query-get-satelliteimages.md)), SoilDatasets ([Request 1 or R1](/geopard-tutorials/api-docs/geopard-api-requests-overview/17.-query-get-soildatasets.md)), AsAppliedDataset ([Request 1 or R1](/geopard-tutorials/api-docs/geopard-api-requests-overview/59.-query-get-asapplieddatasets.md)), YieldDataset ([Request 1 or R1](/geopard-tutorials/api-docs/geopard-api-requests-overview/16.-query-get-yielddatasets.md)), and Topography ([Request 1 or R1](/geopard-tutorials/api-docs/geopard-api-requests-overview/15.-query-get-topographymap.md)) using GeoPard.

The generation of the ZonesMap is an asynchronous operation. It begins with a request for execution, upon which unique identifiers (UUIDs) are returned as a response ([Request 2 or R2](/geopard-tutorials/api-docs/geopard-api-requests-overview/9.-mutation-generate-zonesmap-asynchronously.md)). These UUIDs link the request to the subsequent processes and results.

Next, the GeoPard API consumer waits for the delivery of a GraphQL subscription event that contains the linked UUIDs ([Request 3 or R3](/geopard-tutorials/api-docs/geopard-api-requests-overview/1.-subscription-get-events.md)). This event signals the completion of the ZonesMap generation and marks the readiness of the data for retrieval.

Finally, the GeoPard API consumer can retrieve details about the generated ZonesMap ([Request 4 or R4](/geopard-tutorials/api-docs/geopard-api-requests-overview/6.-query-get-zonesmaps.md)). This includes metadata, URLs for rendering, statistical distribution, and geometries, providing a comprehensive overview of the generated ZonesMap.

**NOTE**: ZonesMap is the alias of `VectorAnalysisMap` in the subscription event in `TreeNodeEntity` enum.

<figure><img src="/files/2l8IolkIRjr1UAM9oxHf" alt=""><figcaption><p>Sequence diagram: Generate ZonesMap</p></figcaption></figure>


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