Function reference • pizzarr

Arrays

Create and manipulate Zarr arrays.

ZarrArray: ZarrArray Class

NestedArray: NestedArray Class

Groups

Create and manipulate Zarr groups.

ZarrGroup: ZarrGroup Class

Storage

Store classes.

Store: Store Class

DirectoryStore: DirectoryStore Class

MemoryStore: MemoryStore Class

HttpStore: HttpStore Class

Compressors and filters

Compressor and filter codec classes.

Codec: Codec Class

ZstdCodec: ZstdCodec Class

Lz4Codec: Lz4Codec Class

ZlibCodec: ZlibCodec Class

GzipCodec: GzipCodec Class

Bz2Codec: Bz2Codec Class

LzmaCodec: LzmaCodec Class

BloscCodec: BloscCodec Class

VLenUtf8Codec: VLenUtf8Codec Class

get_codec(): Get a codec instance from the registry.

Attributes

Access to user attributes on an array or group.

Attributes: Attributes Class

Convenience functions

Convenience functions for storing and loading data.

zarr_create(): Create an empty array

zarr_create_empty(): Create an array filled with NAs.

zarr_create_zeros(): Create an array filled with zeros.

zarr_create_array(): Create an array initialized with data.

zarr_create_group(): Create a group.

zarr_open(): Convenience function to open a group or array using file-mode-like semantics.

zarr_open_group(): Open a group using file-mode-like semantics.

zarr_open_array(): Open an array using file-mode-like semantics.

zarr_save_array(): Convenience function to save a ZarrArray to the local file system.

Utilities

Utility functions for working with Zarr arrays and groups.

slice(): Convenience function for the internal Slice class constructor.

zb_slice(): Convenience function for the internal Slice class constructor with zero-based indexing and exclusive stop index.

is_slice(): Check if a value is a Slice instance.

int(): Convenience function for the internal Int class constructor.

zb_int(): Convenience function for the internal Int class constructor with zero-based indexing

as_scalar(): Convert a value to a scalar to opt-out of R default vector casting behavior. This uses the jsonlite::unbox function to "tag" the value as a scalar.

is_scalar(): Check if a value is a scalar (i.e., a one-element vector that was converted with as_scalar).

is_key_error(): Check if an error is a KeyError.

pizzarr_sample(): pizzarr demo data

pizzarr_option_defaults: pizzarr_option_defaults

Dtype: Dtype Class