newton-physics/newton
May 2025 – Aug 2025
3 Months active
Languages Used
PythonC++USD
Technical Skills
Data StructuresPython DevelopmentUSD Parsing3D RenderingC++Physics Simulation
apradhana
PROFILE
Apradhana
Over three months, contributed to the newton-physics/newton repository by developing features that enhanced USD asset integration and simulation workflows. Delivered an improved USD import pipeline in Python and C++, exposing detailed path-relative transforms for remapped bodies and enabling downstream tools to validate placements more efficiently. Extended the system to export time-sampled Newton physics simulations as USD animations, supporting accurate scene graph representation and reproducible visualization. Automated the creation of free joints for floating bodies post-import, increasing simulation fidelity and reducing manual setup. Demonstrated depth in 3D rendering, physics simulation, and USD parsing, with a focus on robust, maintainable code.
Overall Statistics
Feature vs Bugs
100%Features
Repository Contributions
3Total
Bugs
0
Commits
3
Features
3
Lines of code
738
Activity Months3
Work History
August 2025
1 Commits • 1 Features
Aug 1, 2025August 2025: Implemented automatic creation of free joints for floating bodies after USD imports, improving import reliability and simulation fidelity. Extended ModelBuilder with add_free_joints_to_floating_bodies and integrated it into the USD import workflow. Added regression test test_import_cube_cylinder_joint_count to validate joint counts for a sample USD file. This work reduces manual configuration, enhances asset onboarding, and strengthens the correctness of imported topologies.
1 Commits • 1 Features
Aug 1, 2025August 2025: Implemented automatic creation of free joints for floating bodies after USD imports, improving import reliability and simulation fidelity. Extended ModelBuilder with add_free_joints_to_floating_bodies and integrated it into the USD import workflow. Added regression test test_import_cube_cylinder_joint_count to validate joint counts for a sample USD file. This work reduces manual configuration, enhances asset onboarding, and strengthens the correctness of imported topologies.
August 2025
July 2025
1 Commits • 1 Features
Jul 1, 2025For 2025-07, delivered a key feature: USD time-sampled animation export for Newton physics simulation. Implemented by extending SimRendererUsd to export time-sampled simulation states as USD prims, including stage setup, per-frame transforms, and preserved parent-child relationships for accurate scene representation. This enables reproducible, time-based playback in USD workflows, enhancing visualization, QA, and cross-tool interoperability. No major bugs reported; stability maintained. The work demonstrates proficiency with USD rendering, time-sampling pipelines, and scene-graph integration, delivering business value through improved visualization and integration capabilities.
July 2025
1 Commits • 1 Features
Jul 1, 2025For 2025-07, delivered a key feature: USD time-sampled animation export for Newton physics simulation. Implemented by extending SimRendererUsd to export time-sampled simulation states as USD prims, including stage setup, per-frame transforms, and preserved parent-child relationships for accurate scene representation. This enables reproducible, time-based playback in USD workflows, enhancing visualization, QA, and cross-tool interoperability. No major bugs reported; stability maintained. The work demonstrates proficiency with USD rendering, time-sampling pipelines, and scene-graph integration, delivering business value through improved visualization and integration capabilities.
May 2025
1 Commits • 1 Features
May 1, 2025May 2025 monthly summary for the newton-physics/newton repository focused on feature delivery and system observability. Key feature delivered this month: enhanced USD import workflow exposure of path_body_relative_transform to surface relative transforms for paths when fixed joints are collapsed and body IDs are remapped. This improves debug visibility and asset integration for USD-imported simulations. No major bugs fixed in May. Overall impact: provides richer transform data for remapped bodies, enabling downstream tooling to validate placements, reduce post-import corrections, and accelerate iteration on USD assets. Technologies/skills demonstrated: USD integration, data mapping, transform handling, remapping logic, and careful state management in the import pipeline to populate a new path_body_relative_transform dictionary.
1 Commits • 1 Features
May 1, 2025May 2025 monthly summary for the newton-physics/newton repository focused on feature delivery and system observability. Key feature delivered this month: enhanced USD import workflow exposure of path_body_relative_transform to surface relative transforms for paths when fixed joints are collapsed and body IDs are remapped. This improves debug visibility and asset integration for USD-imported simulations. No major bugs fixed in May. Overall impact: provides richer transform data for remapped bodies, enabling downstream tooling to validate placements, reduce post-import corrections, and accelerate iteration on USD assets. Technologies/skills demonstrated: USD integration, data mapping, transform handling, remapping logic, and careful state management in the import pipeline to populate a new path_body_relative_transform dictionary.
May 2025
Activity
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Quality Metrics
Correctness86.6%
Maintainability80.0%
Architecture83.4%
Performance73.4%
AI Usage20.0%
Skills & Technologies
Programming Languages
C++PythonUSD
Technical Skills
3D RenderingC++Data StructuresPhysics SimulationPython DevelopmentPython ScriptingUSD (Universal Scene Description)USD Import/ExportUSD Parsing
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