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# init()

Initializes a noise map with a constant noise value of zero throughout.

```
convenience init()
```

## Return Value

A new noise map object.

## Discussion

This convenience initializer is equivalent to creating a [`GKNoise`](/documentation/GameplayKit/GKNoise) object from [`GKConstantNoiseSource`](/documentation/GameplayKit/GKConstantNoiseSource) output with a constant value of zero, then using the [`init(_:)`](/documentation/GameplayKit/GKNoiseMap/init(_:)) initializer to create a noise map from the result.

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