codeant-ai-for-open-source[bot] commented on PR #38458:
URL: https://github.com/apache/superset/pull/38458#issuecomment-4035328301
## **Sequence Diagram**
This PR updates the MapBox scatter plot overlay so cluster bubble sizes are
mapped to a safe radius range, ensuring clusters are never smaller than
individual points and remain visible even with zero or negative aggregation
values.
```mermaid
sequenceDiagram
participant User
participant MapBoxChart
participant ScatterPlotOverlay
participant Canvas
User->>MapBoxChart: View map with clustered data
MapBoxChart->>ScatterPlotOverlay: Request redraw with locations
ScatterPlotOverlay->>ScatterPlotOverlay: Compute cluster labels and safe
max label
ScatterPlotOverlay->>ScatterPlotOverlay: Clamp label to zero or higher
and map to min to max radius
ScatterPlotOverlay->>Canvas: Draw cluster and point arcs with scaled
radius
Canvas-->>User: Render map where clusters are at least as large as
single points and always visible
```
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