Chat USD Architecture#

This section provides a detailed overview of the Chat USD architecture, explaining how the different components work together to create a powerful USD development assistant.

Table of Contents#

Multi-Agent Architecture - Overview of the multi-agent system
Component Interactions - How components interact with each other
Message Flow - How messages flow through the system
Extension Integration - How Chat USD integrates with Omniverse Kit

Architecture Overview#

Chat USD is built on a multi-agent architecture that routes user queries to specialized agents based on the query’s intent. The system consists of several key components:

ChatUSDNetworkNode: The main entry point for user interactions
ChatUSDSupervisorNode: The orchestrator of the multi-agent system
Specialized Agents:
- USDCodeInteractiveNetworkNode: For USD code generation and execution
- USDSearchNetworkNode: For USD asset search
- SceneInfoNetworkNode: For scene information retrieval

These components work together to provide a comprehensive USD development assistant that can handle a wide range of tasks, from answering knowledge-based questions to generating and executing USD code.

System Diagram#

                  ┌─────────────────────┐
                  │                     │
                  │  ChatUSDNetworkNode │
                  │                     │
                  └──────────┬──────────┘
                             │
                             ▼
                  ┌─────────────────────┐
                  │                     │
                  │ChatUSDSupervisorNode│
                  │                     │
                  └──────────┬──────────┘
                             │
                             ▼
         ┌───────────────────┼───────────────────┐
         │                   │                   │
┌────────▼─────────┐ ┌───────▼────────┐ ┌────────▼─────────┐
│                  │ │                │ │                  │
│USDCodeInteractive│ │   USDSearch    │ │    SceneInfo     │
│     NetworkNode  │ │  NetworkNode   │ │   NetworkNode    │
│                  │ │                │ │                  │
└──────────────────┘ └────────────────┘ └──────────────────┘

Key Architectural Principles#

Separation of Concerns: Each component has a specific responsibility
Message-Based Communication: Components communicate through well-defined message interfaces
Extensibility: The architecture is designed to be easily extended with new capabilities
Modularity: Components can be replaced or modified without affecting the rest of the system