0th

Percentile

##### Validate a 3d binary mask

Check if object is a 3D binary mask.

Keywords
internal
##### Usage
is.3D_mask(x)
x

##### Details

This is a helper function for is.xifti.

Requirements: the mask must be a boolean 3D array. TRUE should indicate voxels included in the mask, whereas FALSE should indicate voxels outside of it.

##### Value

Logical. Is x a valid subcortical mask?