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[Home](./index.md) &gt; [@three3d/volume](./volume.md) &gt; [radiusGradient\_Default](./volume.radiusgradient_default.md)

## radiusGradient\_Default() function

默认的半径梯度函数

**Signature:**

```typescript
export declare function radiusGradient_Default({ startRadius, addedRadius, ratio }: LineGradientParams): number;
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  { startRadius, addedRadius, ratio } | [LineGradientParams](./volume.linegradientparams.md) |  |

**Returns:**

number