Struct ArrayMetadataV3 

pub struct ArrayMetadataV3 {
    pub zarr_format: u32,
    pub node_type: String,
    pub shape: Vec<u64>,
    pub data_type: Option<String>,
    pub chunk_grid: Option<ChunkGrid>,
    pub chunk_key_encoding: Option<ChunkKeyEncoding>,
    pub fill_value: Option<Value>,
    pub codecs: Vec<CodecMetadata>,
    pub attributes: Option<HashMap<String, Value>>,
}

Zarr v3 array or group metadata stored in zarr.json.

Fields

zarr_format: u32

Always 3.

node_type: String

"array" or "group".

shape: Vec<u64>

Array shape (only for arrays).

data_type: Option<String>

Data type name (e.g. "float64").

chunk_grid: Option<ChunkGrid>

Chunk grid configuration.

chunk_key_encoding: Option<ChunkKeyEncoding>

Chunk key encoding.

fill_value: Option<Value>

Fill value.

codecs: Vec<CodecMetadata>

Ordered list of codecs.

attributes: Option<HashMap<String, Value>>

User attributes.

Implementations

impl ArrayMetadataV3

pub fn new_array( shape: Vec<u64>, chunk_shape: Vec<u64>, dtype: DataType, fill_value: Value, codecs: Vec<CodecMetadata>, ) -> Self

Create metadata for a new v3 array.

pub fn to_json(&self) -> Result<Vec<u8>>

Serialize to JSON bytes.

pub fn from_json(data: &[u8]) -> Result<Self>

Deserialize from JSON bytes.

pub fn data_type_parsed(&self) -> Result<DataType>

Parsed data type.

pub fn chunk_shape(&self) -> Result<&[u64]>

Chunk shape from the chunk grid.

Trait Implementations

impl Clone for ArrayMetadataV3

fn clone(&self) -> ArrayMetadataV3

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for ArrayMetadataV3

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for ArrayMetadataV3

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for ArrayMetadataV3

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.