## flashdrr.utils

Lightweight utilities for volumetric tensors. This module no longer contains
transfer-function texturing helpers — transfer functions now live in
:mod:`flashdrr.rendering` (see :func:`piecewise_linear_channelwise`).

### make_nd

```{eval-rst}
.. autofunction:: flashdrr.utils.make_2d
.. autofunction:: flashdrr.utils.make_3d
.. autofunction:: flashdrr.utils.make_4d
.. autofunction:: flashdrr.utils.make_5d
.. autofunction:: flashdrr.utils.make_nd
```

### normalize_hounsfield

```{eval-rst}
.. autofunction:: flashdrr.utils.normalize_hounsfield
```

### normalize_voxel_scale

```{eval-rst}
.. autofunction:: flashdrr.utils.normalize_voxel_scale
```