# loadDepthData

Source: https://www.nianticspatial.com/docs/api/swift/NSDK.PlaybackDatasetLoader.method-loadDepthData/

loadDepthData

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## Declaration

func loadDepthData(depthFileName: String) -> Data?

#### Summary

Loads depth data from the data source.
This method must be overridden by subclasses. The base implementation reports the
missing override and returns nil.
Called on-demand when depth data is requested.

#### Returns

The depth data as Data, or nil if loading fails or depth data is not available

> **Info:**
>
> **Notice**
>
> Important: Subclasses must override this method. Do not call the base implementation.

### Parameters

| Name | Type | Summary |
| --- | --- | --- |
| depthFileName | String | The filename of the depth data file (e.g., "depth_00000000.bin") |

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