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[Home](./index.md) &gt; [@three3d/volume](./volume.md) &gt; [SphereParticleVolumeFeature](./volume.sphereparticlevolumefeature.md) &gt; [valueGradient](./volume.sphereparticlevolumefeature.valuegradient.md)

## SphereParticleVolumeFeature.valueGradient property

值梯度函数

**Signature:**

```typescript
valueGradient?: GetGradientValue;
```