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[Home](./index.md) &gt; [@three3d/volume](./volume.md) &gt; [Data3DPointExtraInfo](./volume.data3dpointextrainfo.md)

## Data3DPointExtraInfo type

计算 Data3D 点所需要的额外信息

**Signature:**

```typescript
export type Data3DPointExtraInfo = {
    data3D: number[];
    size: IVector3;
    tags: (undefined | true)[];
};
```