It is often advantageous to make sure voxels in a volume are cubes. This option allows the resolution of the volume to be specified without having to worry about matching the size and resolution fields. This parameter controls which axis is divided into Uniform Sampling Divisions.

The number of voxels to divide the Uniform Sampling axis into. The other axes will be divided into the number of cells that fit for this voxel size.

When using non-uniform voxel cells, each dimensions resolution can be specified here.

The uniform size of the voxels, when specifying the voxel size directly. The given sized box will be filled by voxels of this size.

The voxel resolution on the Z-axis is scaled by this number. This is useful for camera volumes where you may want less detail along the camera viewing direction. By setting the Uniform Sampling to X-Axis, you can then specify the number of voxels you want across the X axis of the screen directly, let the Y-axis be auto-computed to preserve aspect, and then adjust the scale factor.

The behavior when the volume is sampled outside of its defined box.

When the border type is constant, this is the value returned for out of bounds sampling.

When tiles in the volume are compressed to constant tiles this will be the tolerance used to determine if the tile is constant. Zero will only allow lossless compression.

When compressing tiles by quantizing their values this is the tolerance to use. This can often be larger than the constant tile as some of the quality can be recovered by the dithering. Zero disables quantization.

When voxels are quantized to a lower bit depth some of the lost information can be recovered by adding noise to the pre-quantized voxels. This can be thought of as trading bit depth in the voxel with spatial resolution.

Dithering avoids banding in the resulting volume and, as volumes are often integrated for display, can keep the original weight of the volume.

Setting dithering to none will just do a pure thresholding operation. Dithering of ordered will use a constant dither matrix over each tile.

While 32 bit floats are still used for computation, whenever they are stored in the volume they are reduced to 16 bit floats. This cuts memory consumption in half at the cost of slightly higher computation costs and reduced precision of the floats.

How this volume primitive will be displayed in the viewport. This does not affect the underlying volume at all, just its display-time appearance.

Controls the fall off rate for the smoke visualization. Lower values allows the smoke to be more transparent.

Which isocontour to extract from the volume. The default of 0 is good for SDF volumes. Fog style volumes would work better with something non-zero, such as 0.5.

This sets the semantic meaning of the volume. It can be used for visualization or for determining how to transform the data of the volume.

For volume displayed as images, expand the size of the image by using the border conditions of the image. This doesn’t affect the actual data at all, but allows one to see what it would look like if it was tiled.