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
Andre Pradhana contributed to the newton-physics/newton repository by developing features that enhance USD asset import, simulation fidelity, and animation export. He implemented a robust USD import workflow in Python and C++, exposing detailed transform data for remapped bodies and automating free joint creation for floating bodies to improve simulation correctness. Andre extended the SimRendererUsd component to export time-sampled physics simulations as USD animations, preserving scene hierarchy and enabling reproducible playback. His work demonstrated depth in 3D rendering, data structures, and physics simulation, resulting in more reliable asset onboarding, improved debugging, and seamless integration with downstream USD-based visualization and QA tools.
Overall Statistics
Feature vs Bugs
100%Features
Repository Contributions
3Total
Bugs
0
Commits
3
Features
3
Lines of code
738
Activity Months3
Your Network
27 people
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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