Hi there! I'm Kyle 👋

I'm a software engineer passionate about fast, interoperable geospatial data science.

I'm primarily developing the Apache Arrow, GeoArrow and GeoParquet ecosystems to make that a reality.

Python:

| Project | Role | Description | | ------------------------ | ------ | --------------------------------------------------------------------------------------------- | | obstore | author | The simplest, highest-throughput Python interface to S3, GCS & Azure Storage. | | lonboard | author | Python library for fast, interactive geospatial vector data visualization in Jupyter. | | arro3 | author | A minimal Python library to manage Apache Arrow data | | geoarrow-rust | author | A Python library implementing the GeoArrow specification with efficient spatial operations. | | geopolars | author | Geospatial extensions for the Polars DataFrame library. | | geoindex-rs | author | Fast, memory-efficient 2D spatial indexes for Python. | | suncalc-py | author | A Python port of suncalc.js for calculating sun position and sunlight phases. | | pymartini | author | A Cython port of Martini for fast RTIN terrain mesh generation. | | pydelatin | author | Python bindings to hmm for fast terrain mesh generation. | | quantized-mesh-encoder | author | A fast Python Quantized Mesh encoder | | usgs-topo-tiler | author | Python package to read Web Mercator map tiles from USGS Historical Topographic Maps | | keplergl_cli | author | One-line geospatial data visualization using Kepler.gl |

Rust:

| Project | Role | Description | | ------------------- | ---------------- | --------------------------------------------------------------------------------------------------------------------------------------------- | | geoarrow-rs | author | A Rust implementation of the GeoArrow specification and bindings to GeoRust algorithms for efficient spatial operations on GeoArrow memory. | | wkb | author | Fast, pure-Rust reader and writer for Well-Known Binary geometries. | | wkt | core contributor | Rust read/write support for well-known text (WKT) | | geo-index | author | A Rust crate for packed, static, zero-copy spatial indexes. | | pyo3-arrow | author | Lightweight Apache Arrow integration for pyo3. | | pyo3-object_store | author | Integration between object_store and pyo3. | | arrow-wasm | author | Building block library for using Apache Arrow in Rust WebAssembly modules | | geopolars | author | Geospatial extensions for the Polars DataFrame library. |

JavaScript:

| Project | Role | Description | | --------------------------- | ----------- | -------------------------------------------------------------------------------- | | deck.gl-raster | author | Client-side, GPU-accelerated Cloud-Optimized GeoTIFF visualization in deck.gl. | | parquet-wasm | author | Rust-based WebAssembly bindings to read and write Apache Parquet data. | | @geoarrow/deck.gl-layers | author | deck.gl layers for rendering GeoArrow data. | | geoarrow-wasm | author | Efficient, vectorized geospatial operations in WebAssembly. | | arrow-js-ffi | author | Zero-copy reading of Arrow data from WebAssembly. | | literate-flatbush | documenter | Understanding Flatbush: a fast, elegant RTree implementation. | | geoarrow-js | author | TypeScript implementation of GeoArrow. | | deck.gl | contributor | WebGL2 powered visualization framework. | | kylebarron/deck.gl-raster | author | deck.gl layers and WebGL modules for client-side satellite imagery analysis. |

Specifications:

| Project | Role | Description | | ------------ | ---------------- | ------------------------------------------------------------------------------------- | | GeoArrow | core contributor | Specification for storing geospatial data in Apache Arrow. | | GeoParquet | core contributor | Specification for storing geospatial vector data (point, line, polygon) in Parquet. |

Other:

| Project | Role | Description | | ------------------------------ | ------ | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | National Scenic Trails Guide | author | A website and data tools for exploring and navigating the Pacific Crest Trail. After hiking the PCT, this project was the core of my effort to transition to a career in geospatial software engineering. | | all-transit | author | Visualization of all transit routes in continental U.S. | | vscode-jupyter-python | author | Run automatically-inferred Python code blocks in the VS Code Jupyter extension |