# SHBands

Type alias

Source: https://github.com/playcanvas/splat-transform/blob/b6424a5b3b929695fbaafe738a995adb1240d675/src/lib/chunk/layout.ts#L19

Spherical harmonics band count.

- 0 - DC only (3 coefficients)
- 1 - DC + 1st band (3 + 9 = 12 coefficients)
- 2 - DC + 1st + 2nd (3 + 24 = 27 coefficients)
- 3 - DC + 1st + 2nd + 3rd (3 + 45 = 48 coefficients)

```ts
type SHBands = 0 | 1 | 2 | 3
```