# getMapHeatAtCoordinate

Current visible density at longitude/latitude; null when hidden, clipped or outside the viewport.

Canonical: https://chart.syidax.com/docs/methods/getMapHeatAtCoordinate/

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## Definition

```typescript
getMapHeatAtCoordinate(longitude: number, latitude: number): Promise<GeoMapHeatPointDetail|null>
```

| Arguments | Type | Required |
| --- | --- | --- |
| `longitude` | `number` | Required |
| `latitude` | `number` | Required |

Return type: `Promise<GeoMapHeatPointDetail|null>`. Call the method after element registration and await its Promise result.

- [GeoMapHeatPointDetail](https://chart.syidax.com/docs/types/GeoMapHeatPointDetail.md) — Type definition

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## Related charts

- [sy-geo-map](https://chart.syidax.com/docs/components/geo-map.md#method-getMapHeatAtCoordinate)