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[Home](./index.md) &gt; [@three3d/volume](./volume.md) &gt; [VolumeMaterial](./volume.volumematerial.md) &gt; [getFitMatrixInvert](./volume.volumematerial.getfitmatrixinvert.md)

## VolumeMaterial.getFitMatrixInvert() method

获取当前填模式下对 map 的应用的变换矩阵的逆矩阵

**Signature:**

```typescript
getFitMatrixInvert(): Matrix4;
```
**Returns:**

Matrix4


