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Get Mask from Backend

Source: R/storage_backend.R
backend_get_mask.Rd

Returns a logical mask indicating which voxels contain valid data.

Usage

backend_get_mask(backend)

Arguments

backend

A storage backend object

Value

A logical vector satisfying:

  • length(mask) == prod(backend_get_dims(backend)$spatial)

  • sum(mask) > 0 (no empty masks allowed)

  • No NA values allowed