codeant-ai-for-open-source[bot] commented on PR #38035:
URL: https://github.com/apache/superset/pull/38035#issuecomment-4040554093
## **Sequence Diagram**
This diagram shows how the new point cluster map chart loads raw point data,
builds a Supercluster index on the frontend, and renders clusters on either a
MapLibre or Mapbox base map as the user pans and zooms.
```mermaid
sequenceDiagram
participant User
participant Frontend
participant Backend
participant MapRenderer
participant Supercluster
User->>Frontend: Open point cluster map chart
Frontend->>Backend: Request point data with longitude and latitude
Backend-->>Frontend: Return raw point rows
Frontend->>Frontend: Build GeoJSON and Supercluster index
Frontend->>MapRenderer: Initialize map with chosen renderer and style
MapRenderer->>Supercluster: Get clusters for current viewport
Supercluster-->>MapRenderer: Clustered points and metrics
MapRenderer-->>User: Render clusters with canvas overlay
User->>MapRenderer: Pan or zoom map
MapRenderer->>Supercluster: Get clusters for new viewport
Supercluster-->>MapRenderer: Updated clusters
MapRenderer-->>User: Update rendered clusters
```
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