# GeoMapViewChangeEventDetail

The GeoMapViewChangeEventDetail type declaration and related types. Optional fields are marked with ?.

Canonical: https://chart.syidax.com/docs/types/GeoMapViewChangeEventDetail/

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## Type declaration

```typescript
export interface GeoMapViewChangeEventDetail { projection: GeoMapProjection; source: 'drag' | 'reset' | 'fit'; pan?: {x:number;y:number} }
```

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## Related types

- [GeoMapProjection](https://chart.syidax.com/docs/types/GeoMapProjection.md)