Create a Zarr Backend

Creates a storage backend for Zarr array data.

Usage

zarr_backend(
  source,
  data_key = "data",
  mask_key = "mask",
  preload = FALSE,
  cache_size = 100
)

Arguments

source

Character path to Zarr store (directory or zip) or URL for remote stores

data_key

Character key for the main data array within the store (default: "data")

mask_key

Character key for the mask array (default: "mask"). Set to NULL if no mask.

preload

Logical, whether to load all data into memory (default: FALSE)

cache_size

Integer, number of chunks to cache in memory (default: 100)

Value

A zarr_backend S3 object

Examples

if (FALSE) { # \dontrun{
# Local Zarr store
backend <- zarr_backend("path/to/data.zarr")

# Remote S3 store
backend <- zarr_backend("s3://bucket/path/to/data.zarr")

# Custom array keys
backend <- zarr_backend(
  "data.zarr",
  data_key = "fmri/bold",
  mask_key = "fmri/mask"
)
} # }