tier4/AWSIM
Aug 2025 – Oct 2025
3 Months active
Languages Used
BashC#MarkdownYAMLC++Unity
Technical Skills
Asset ManagementDocumentationGame DevelopmentParticle SystemsPrefab CreationRefactoring
zzhhaa10000
PROFILE
Zzhhaa10000
Over a three-month period, contributed to the tier4/AWSIM repository by developing and refining simulation features for autonomous driving scenarios. Work included implementing a Unity editor tool for seamless URP and HDRP pipeline switching, introducing a smoke generator system with URP-compatible assets, and enhancing GNSS output by integrating GeographicLib for accurate coordinate conversion. Improved real-time communication in simulation through RTC-based ego cooperation and configurable sensor outputs, while also addressing data fidelity with precise frame ID handling. Used C#, Unity, and ROS2 to deliver maintainable, well-documented solutions that improved simulation realism, interoperability, and onboarding for complex autonomous vehicle workflows.
Overall Statistics
Feature vs Bugs
89%Features
Repository Contributions
27Total
Bugs
1
Commits
27
Features
8
Lines of code
1,755
Activity Months3
Your Network
7 peopleWork History
October 2025
10 Commits • 3 Features
Oct 1, 2025October 2025 (2025-10) development summary for tier4/AWSIM. Deliverables focused on real-time simulation fidelity, interoperability, and reliable data pipelines for autonomous driving scenarios. Highlights include RTC-based ego cooperation in simulation, configurable GNSS outputs, improved ROS-Unity integration, and corrected sensor frame handling across scenes.
10 Commits • 3 Features
Oct 1, 2025October 2025 (2025-10) development summary for tier4/AWSIM. Deliverables focused on real-time simulation fidelity, interoperability, and reliable data pipelines for autonomous driving scenarios. Highlights include RTC-based ego cooperation in simulation, configurable GNSS outputs, improved ROS-Unity integration, and corrected sensor frame handling across scenes.
October 2025
September 2025
4 Commits • 1 Features
Sep 1, 2025September 2025 — AWSIM GNSS Output Upgrade: Replaced legacy GNSS output with NavSatFix messages using GeographicLib-based MGRS-to-Lat/Lon/Alt conversion. Updated ROS2 publisher to emit NavSatFix, enabling streamlined integration with modern ROS2 stacks and downstream consumers. Included comprehensive documentation and internal maintenance to support the change.
September 2025
4 Commits • 1 Features
Sep 1, 2025September 2025 — AWSIM GNSS Output Upgrade: Replaced legacy GNSS output with NavSatFix messages using GeographicLib-based MGRS-to-Lat/Lon/Alt conversion. Updated ROS2 publisher to emit NavSatFix, enabling streamlined integration with modern ROS2 stacks and downstream consumers. Included comprehensive documentation and internal maintenance to support the change.
August 2025
13 Commits • 4 Features
Aug 1, 2025August 2025 AWSIM monthly summary: Delivered multi-pipeline tooling (URP/HDRP switch), smoke generator visuals, time synchronization configurability, and DDS onboarding enhancements. Implemented editor window for switching pipelines, updated assets and docs to align with the new interface, introduced Smoke Generator system with URP-compatible variants and asset reorganization, added TimeSourceType serialization and JSON-driven initialization for AwsimRos2Node, and improved project onboarding with DDS guidance and startup scripts. Refactored to fix deprecated APIs and streamline maintainability, setting the stage for faster feature delivery and consistent rendering across pipelines.
13 Commits • 4 Features
Aug 1, 2025August 2025 AWSIM monthly summary: Delivered multi-pipeline tooling (URP/HDRP switch), smoke generator visuals, time synchronization configurability, and DDS onboarding enhancements. Implemented editor window for switching pipelines, updated assets and docs to align with the new interface, introduced Smoke Generator system with URP-compatible variants and asset reorganization, added TimeSourceType serialization and JSON-driven initialization for AwsimRos2Node, and improved project onboarding with DDS guidance and startup scripts. Refactored to fix deprecated APIs and streamline maintainability, setting the stage for faster feature delivery and consistent rendering across pipelines.
August 2025
Activity
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Quality Metrics
Correctness88.6%
Maintainability89.2%
Architecture87.0%
Performance80.8%
AI Usage21.4%
Skills & Technologies
Programming Languages
BashC#C++MarkdownUnityYAML
Technical Skills
Asset ManagementAutonomous Driving SimulationC#Code RefactoringCoordinate SystemsDocumentationGame DevelopmentParticle SystemsPrefab CreationROS2Real-Time CommunicationRefactoringScene ConfigurationSensor IntegrationShell Scripting
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