Crate oxigdal_compress 

OxiGDAL Compression Library

Advanced compression codecs and auto-selection for geospatial data.

Features

• Standard Codecs: LZ4, Zstandard, Brotli, Snappy, DEFLATE
• Geospatial Codecs: Delta encoding, RLE, Dictionary compression
• Floating-Point: ZFP and SZ-style compression with error bounds
• Auto-Selection: Intelligent codec selection based on data characteristics
• Parallel Processing: Multi-threaded compression/decompression
• Benchmarking: Built-in performance measurement

Examples

use oxigdal_compress::{
    codecs::{Lz4Codec, ZstdCodec},
    auto_select::{AutoSelector, CompressionGoal, DataType, DataCharacteristics},
};

// Basic compression with LZ4
let codec = Lz4Codec::new();
let data = b"Hello, world!".repeat(1000);
let compressed = codec.compress(&data)?;
let decompressed = codec.decompress(&compressed, Some(data.len()))?;
assert_eq!(decompressed, data);

// Auto-selection
let selector = AutoSelector::new(CompressionGoal::Balanced);
let characteristics = DataCharacteristics {
    data_type: DataType::Categorical,
    size: 10000,
    entropy: 0.3,
    unique_count: Some(10),
    value_range: None,
    run_length_ratio: Some(50.0),
};
let recommendations = selector.recommend(&characteristics);
println!("Recommended codec: {:?}", recommendations[0].codec);

Re-exports

pub use error::CompressionError;

pub use error::Result;

Modules

auto_select

Automatic codec selection

benchmark

Built-in compression benchmarking

codecs

Compression codecs

error

Error types for compression operations

floating_point

Floating-point compression

metadata

Compression metadata and statistics

parallel

Parallel compression and decompression

prelude

Prelude module for common imports