reearth/reearth-flow
Oct 2025 – May 2026
8 Months active
Languages Used
JSONMarkdownRustYAMLPythonXMLTOMLDockerfile
Technical Skills
API DesignData ConversionFile HandlingFile I/OGeometry ProcessingJSON Schema
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PROFILE
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Worked on the reearth-flow repository to design and implement robust data processing pipelines for 3D city models, focusing on CityGML, 3D Tiles, and vector data workflows. Leveraged Rust and Python to modularize file I/O, enhance geometry and attribute handling, and introduce schema-driven data conversion. Developed a DAG-based XML parser, advanced texture atlas packing, and a new expression language with URL support, while strengthening CI/CD and testing frameworks. Addressed complex geospatial challenges such as cross-file references, topology preservation, and metadata extraction, resulting in improved reliability, extensibility, and interoperability for city-scale visualization and data integration across diverse formats.
Overall Statistics
Feature vs Bugs
74%Features
Repository Contributions
72Total
Bugs
11
Commits
72
Features
31
Lines of code
4,960,529
Activity Months8
Your Network
14 peopleWork History
May 2026
3 Commits • 1 Features
May 1, 2026May 2026 monthly summary for reearth-flow focusing on reliability, data integrity, and extensibility in the engine.Delivered key fixes to reduce false positives and improve geographic data handling, while introducing a new expression language with URL support and concrete end-to-end testing workflows. The work enhances reliability for production use and enables future user scenarios requiring dynamic expressions and URL handling.
3 Commits • 1 Features
May 1, 2026May 2026 monthly summary for reearth-flow focusing on reliability, data integrity, and extensibility in the engine.Delivered key fixes to reduce false positives and improve geographic data handling, while introducing a new expression language with URL support and concrete end-to-end testing workflows. The work enhances reliability for production use and enables future user scenarios requiring dynamic expressions and URL handling.
May 2026
April 2026
5 Commits • 2 Features
Apr 1, 2026April 2026: Delivered a CityGML 3.0 data ingestion, parsing, and feature extraction pipeline in reearth-flow, including a DAG-based XML parser, topology-preserving extraction, and robust error handling. Introduced a CodeResolver to load and cache codelists with source_url provenance. Fixed an LOD attribute bug by deriving _lod from combined feature and branch context. Implemented a Texture Atlas Skyline Packing algorithm with iterative downsampling and damage tracking to improve rendering performance and reduce memory usage. These deliverables enhance data fidelity, reliability, and city-scale visualization capabilities, while strengthening maintainability and performance.
April 2026
5 Commits • 2 Features
Apr 1, 2026April 2026: Delivered a CityGML 3.0 data ingestion, parsing, and feature extraction pipeline in reearth-flow, including a DAG-based XML parser, topology-preserving extraction, and robust error handling. Introduced a CodeResolver to load and cache codelists with source_url provenance. Fixed an LOD attribute bug by deriving _lod from combined feature and branch context. Implemented a Texture Atlas Skyline Packing algorithm with iterative downsampling and damage tracking to improve rendering performance and reduce memory usage. These deliverables enhance data fidelity, reliability, and city-scale visualization capabilities, while strengthening maintainability and performance.
March 2026
10 Commits • 3 Features
Mar 1, 2026March 2026 monthly summary for reearth-flow: Delivered robust CityGML integration with cross-file references and enhanced appearance output, stabilized the DAG/rendering pipeline, and expanded testing coverage for plateaus tiles. These efforts improved data integrity, reliability, and measurable business value in city-model processing, while enabling richer, roundtrippable city data and more maintainable data-conversion workflows.
10 Commits • 3 Features
Mar 1, 2026March 2026 monthly summary for reearth-flow: Delivered robust CityGML integration with cross-file references and enhanced appearance output, stabilized the DAG/rendering pipeline, and expanded testing coverage for plateaus tiles. These efforts improved data integrity, reliability, and measurable business value in city-model processing, while enabling richer, roundtrippable city data and more maintainable data-conversion workflows.
March 2026
February 2026
16 Commits • 3 Features
Feb 1, 2026February 2026 (2026-02) monthly summary for reearth-flow focused on delivering robust data processing capabilities, resilient data-convert pipelines, and strengthened CI/infra stability. The period emphasizes business value through improved accuracy, performance, and scalability of 3D tiles, vector data output, and CityGML handling, with comprehensive tests to ensure correctness across pipelines.
February 2026
16 Commits • 3 Features
Feb 1, 2026February 2026 (2026-02) monthly summary for reearth-flow focused on delivering robust data processing capabilities, resilient data-convert pipelines, and strengthened CI/infra stability. The period emphasizes business value through improved accuracy, performance, and scalability of 3D tiles, vector data output, and CityGML handling, with comprehensive tests to ensure correctness across pipelines.
January 2026
16 Commits • 11 Features
Jan 1, 2026January 2026 (2026-01) – Reearth Flow: Delivered modular data packaging for tile tests, enhanced 3D tiles metadata and parsing, expanded data-convert workflows, and reinforced pipeline stability. These changes boosted test coverage, improved frontend integration with web maps, and stabilized cross-repo dependencies and environments.
16 Commits • 11 Features
Jan 1, 2026January 2026 (2026-01) – Reearth Flow: Delivered modular data packaging for tile tests, enhanced 3D tiles metadata and parsing, expanded data-convert workflows, and reinforced pipeline stability. These changes boosted test coverage, improved frontend integration with web maps, and stabilized cross-repo dependencies and environments.
January 2026
December 2025
11 Commits • 4 Features
Dec 1, 2025December 2025 highlights focused on delivering robust data pipelines, improving interoperability, and strengthening testing and CI. Key work spanned Area-URF workflow enhancements with JSON outputs, a Rust-based rewrite and CI integration for plateau-tiles-test, and comprehensive 3D tiles/GLTF processing improvements. Data conversion workflows were modernized with zipped tilesets handling and the new 03-frn-veg conversion. A bug in udx/area data handling was fixed, and CI/docker processes were streamlined for reliability. Result is faster, more reliable data delivery to CMS/FME workflows and stronger cross-tool interoperability across the reearth-flow repository.
December 2025
11 Commits • 4 Features
Dec 1, 2025December 2025 highlights focused on delivering robust data pipelines, improving interoperability, and strengthening testing and CI. Key work spanned Area-URF workflow enhancements with JSON outputs, a Rust-based rewrite and CI integration for plateau-tiles-test, and comprehensive 3D tiles/GLTF processing improvements. Data conversion workflows were modernized with zipped tilesets handling and the new 03-frn-veg conversion. A bug in udx/area data handling was fixed, and CI/docker processes were streamlined for reliability. Result is faster, more reliable data delivery to CMS/FME workflows and stronger cross-tool interoperability across the reearth-flow repository.
November 2025
7 Commits • 4 Features
Nov 1, 20252025-11 monthly summary for reearth/reearth-flow: concise, business-focused report highlighting delivered features, major fixes, impact, and technical proficiency demonstrated. The month prioritized reliability, visualization fidelity, and data pipeline robustness to accelerate downstream workflows and reduce operational risk.
7 Commits • 4 Features
Nov 1, 20252025-11 monthly summary for reearth/reearth-flow: concise, business-focused report highlighting delivered features, major fixes, impact, and technical proficiency demonstrated. The month prioritized reliability, visualization fidelity, and data pipeline robustness to accelerate downstream workflows and reduce operational risk.
November 2025
October 2025
4 Commits • 3 Features
Oct 1, 2025October 2025 was focused on improving modularity, reliability, and extensibility of the reearth-flow file processing pipelines. Delivered modularized I/O actions to enable easier maintenance and future feature evolution, and reinforced data workflow robustness with targeted refactors and fixes. The changes are expected to reduce onboarding time, simplify testing, and lower risk when extending file formats or data pipelines across downstream teams.
October 2025
4 Commits • 3 Features
Oct 1, 2025October 2025 was focused on improving modularity, reliability, and extensibility of the reearth-flow file processing pipelines. Delivered modularized I/O actions to enable easier maintenance and future feature evolution, and reinforced data workflow robustness with targeted refactors and fixes. The changes are expected to reduce onboarding time, simplify testing, and lower risk when extending file formats or data pipelines across downstream teams.
Activity
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Quality Metrics
Correctness84.8%
Maintainability81.4%
Architecture82.0%
Performance80.6%
AI Usage40.2%
Skills & Technologies
Programming Languages
DockerfileGoJSONJavaScriptMarkdownPythonRustTOMLTypeScriptXML
Technical Skills
3D Geometry Processing3D Graphics3D modelingAPI DesignAPI developmentCI/CDCityGMLContinuous IntegrationData ConversionData ProcessingData VisualizationData serializationDependency ManagementDevOpsDocker
Repositories Contributed To
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