About

Imported from nvidia/skills (skills/omniverse-realtime-viewer/SKILL.md) via skills.sh. Install upstream with npx skills add nvidia/skills --skill omniverse-realtime-viewer. Copyright stays with the author (Apache-2.0).

Omniverse Realtime Viewer

Name: omniverse-realtime-viewer
Author: nvidia

This is the top-level entry point for the Omniverse Realtime Viewer skill package. It is self-contained: all required routing, conventions, and validation guidance live in the selected references.

Use the focused reference documents as implementation recipes. This file chooses the right recipes and preserves the architectural rules that must hold across all generated viewer apps.

Instructions

Start by classifying the requested viewer, then read only the references needed for that delivery path and feature set. Implement the render path first, layer interaction and UI behavior on top of it, and finish by capturing validation evidence from references/validation.md.

Read Order

Read references/routing.md to choose the delivery path and focused references.
Read references/conventions.md before implementing camera, input, selection, viewport, streaming protocol, scene loading, or environment behavior.
For broad viewer requests, read references/usd-viewer-app/README.md.
If the delivery path is unclear, read references/streaming-vs-local/README.md.
If the prompt includes layout, panels, controls, inspectors, status, or UX, read references/viewer-ux-workflow/README.md and then the focused viewer UI references. This applies to React/WebRTC, Tauri, Electron, ovui, ovwidgets, and Dear ImGui apps; "frontend" means user-facing UI, not only browser UI.
For viewport interaction, read references/viewer-input-routing/README.md before references/camera-controls/README.md, references/native-picking-selection/README.md, or references/object-selection/README.md.
For new viewer apps or ovrtx work, read the ovstage references before renderer, scene loading, stage management, camera, selection, or transform write references.
For NVCF self-hosted deployment, read references/cloud-deployment/nvcf-self-hosted.md before the selected cloud-deployment and streaming references.
Read only the focused capability references needed for the requested app.
Use references/validation.md to capture review evidence before handoff.

Non-Negotiables

Use ovrtx for all USD and 3D rendering.
Browser apps display an ovstream WebRTC video stream plus UI. The browser does not render USD geometry.
Do not substitute WebGL, Three.js, Babylon.js, PlayCanvas, A-Frame, model-viewer, react-three-fiber, glTF browser viewers, or other client-side 3D renderers.
If local validation cannot run because the GPU/runtime environment is absent, scaffold the ovrtx path and document the runtime requirement. Do not add a browser-renderer fallback.
Keep user USD files unmodified. Viewer cameras, render products, render vars, settings, selection metadata, and runtime state belong in session/composite layers, OVStage runtime state, or app state.
Keep one owner for renderer.step(), stage mutation, native picking, selection writes, OVStage publication, and live attribute writes.
Use OVStage runtime writes for interchangeable transform animation, material/effect attributes, visibility toggles, physics pose samples, and reversible viewer-owned state. Keep native OVRTX APIs for rendering, pick queues, and selection outline visualization.
Keep dependency acquisition in references/dependencies/README.md and deployment choices in references/cloud-deployment/README.md; do not duplicate package locations or deployment setup.

Focused Reference Families

Entry points and recipes: references/usd-viewer-app/README.md, references/streaming-viewer-recipe/README.md, references/ovui-local-viewer-recipe/README.md, references/streaming-vs-local/README.md, references/electron-shm-viewer/README.md, references/ovwidgets-editor-shell/README.md.
Rendering and stage: references/ovstage-runtime/README.md, references/ovstage-population/README.md, references/ovstage-data-plane/README.md, references/ovstage-ovrtx-integration/README.md, references/ovrtx-rendering/README.md, references/stage-loading/README.md, references/stage-management/README.md, references/render-settings/README.md, references/aov-switching/README.md, references/stage-hierarchy/README.md, references/stage-queries/README.md, references/stage-attribute-reads/README.md, references/camera-auto-select/README.md, references/camera-picker/README.md, references/prim-transform-safety/README.md, references/usd-sample-data/README.md.
Delivery and runtime: references/streaming-server/README.md, references/streaming-client/README.md, references/streaming-messages/README.md, references/streaming-lifecycle/README.md, references/local-viewer/README.md, references/tauri-local-viewer/README.md, references/cpp-native-viewer/README.md, references/headless-shm-cli/README.md, references/viewer-backend-interface/README.md, references/webgl-shm-transport/README.md.
Viewer UI/UX: references/viewer-ux-workflow/README.md, references/viewer-layout-patterns/README.md, references/viewer-control-patterns/README.md, references/viewer-data-view-patterns/README.md, references/viewer-feedback-status/README.md.
Interaction: references/viewer-input-routing/README.md, references/camera-controls/README.md, references/object-selection/README.md, references/native-picking-selection/README.md, references/selection-feedback/README.md, references/physics-simulation/README.md, references/selection-animation/README.md, references/transform-manipulator/README.md, references/gl-viewport-overlay/README.md, references/ovui-library/README.md, references/prim-pick-effects/README.md, references/prim-info-display/README.md, references/viewport-overlays/README.md, references/physics-simulation/README.md.
Infrastructure: references/dependencies/README.md, references/windows-native-setup/README.md, references/cloud-assets/README.md, references/cloud-deployment/README.md, references/cloud-deployment/nvcf-self-hosted.md, references/cloud-deployment/nvcf-viewer-container-contract.md, references/cloud-deployment/gpu-container-runtime.md, references/cloud-deployment/container-image-build.md, references/cloud-deployment/webrtc-network-diagnostics.md, references/troubleshooting/README.md.
AI/Agent: references/a2ui-scene-copilot/README.md.
CAE/CFD visualization: references/cae-cfd-visualization/README.md, references/cae-cfd-visualization/data-and-operators.md, references/cae-cfd-visualization/cae-data-ingestion.md, references/cae-cfd-visualization/temporal-playback.md, references/cae-cfd-visualization/usd-authoring-and-materials.md, references/cae-cfd-visualization/ovstage-render-and-camera.md, references/cae-cfd-visualization/ovui-controls.md, references/cae-cfd-visualization/glyphs.md, references/cae-cfd-visualization/volume-rendering.md, references/cae-cfd-visualization/driving-cae-viz-via-ovstage.md, references/cae-cfd-visualization/emitter-and-seed-sources.md, references/cae-cfd-visualization/streaming-cae-viewer.md, references/cae-cfd-visualization/rtwt-blueprint-recreation.md, references/cae-cfd-visualization/coordinate-systems-and-up-axis.md.

Build Workflow

Classify the prompt by delivery path, target user, required capabilities, runtime environment, validation needs, and explicit constraints.
Select a small reference set. Start with the recipe or routing reference, then add focused capabilities such as camera, picking, hierarchy, properties, render settings, transform tools, cloud assets, or deployment.
Read selected references before writing app code. Follow their build order, import order, data-channel contracts, and renderer ownership rules.
Implement the OVStage population/data-plane path and core render path first, then input routing and camera, then selection and data panels, then scene/settings features, then packaging or deployment.
Treat the selected references as the behavior contract for API shape, compatibility, and generated project structure.
Capture validation evidence before calling the viewer ready.

Examples

For a browser viewer request, use the streaming recipe references plus camera, picking, hierarchy, properties, render settings, and stream-status references.
For a local workstation viewer request, use the local or native delivery references plus renderer setup, stage loading, viewport input, and validation.
For a "visualize CAE/CFD data in realtime" request, treat CAE/CFD as a layer, not a standalone app: first pick the delivery path (references/streaming-vs-local/README.md), build the base viewer with the matching recipe (references/ovui-local-viewer-recipe/README.md or references/streaming-viewer-recipe/README.md), then layer references/cae-cfd-visualization/README.md (data → operators → USD authoring → scene) and wire controls via references/cae-cfd-visualization/driving-cae-viz-via-ovstage.md.

Completion Checklist

Selected references match the user's intent and delivery path.
No code path uses a browser-side 3D renderer for USD.
The generated app has one clear owner for render stepping and stage mutation.
User USD files remain untouched by viewer-owned session data.
Camera, input, selection, scene loading, and stream behavior follow references/conventions.md.
Setup/build/run results and visual interaction evidence are captured with references/validation.md.

ovstage References

For all new viewer applications, read these before renderer, scene, interaction, or delivery references:

references/ovstage-runtime/README.md — runtime ownership, ordinals, publication, and recovery.
references/ovstage-population/README.md — composed USD population and scene generations.
references/ovstage-data-plane/README.md — queries, writes, transforms, and runtime DTOs.
references/ovstage-ovrtx-integration/README.md — attached renderer loop and runtime integration contract.

Use it

Copy one of these into your project. Installing also returns the manifest and these snippets.

yaml

targets:
  - https://api.opensmartroute.ai/api/v1/registry/nvidia-skills-omniverse-realtime-viewer/manifest   # or paste the manifest below

Manifest

An Open Capability Manifest: the router reads it to know what this does, what it costs and when to pick it.

nvidia-skills-omniverse-realtime-viewer.ocm.jsonjson

{
  "ocm": "1",
  "id": "nvidia-skills-omniverse-realtime-viewer",
  "kind": "skill",
  "name": "omniverse-realtime-viewer",
  "description": "Use as the top-level router for Omniverse Realtime Viewer USD app requests and focused viewer reference documents.",
  "publisher": "nvidia",
  "version": "1.0.0",
  "capabilities": {
    "domains": [
      "general"
    ],
    "tags": [
      "skill-md",
      "omniverse",
      "usd",
      "viewer",
      "workflow",
      "skills-sh"
    ],
    "languages": [
      "en"
    ]
  },
  "quality_prior": 0.6,
  "examples": [
    "Use as the top-level router for Omniverse Realtime Viewer USD app requests and focused viewer reference documents."
  ],
  "primary": false,
  "metadata": {
    "source": {
      "provider": "skills.sh",
      "repository": "https://github.com/nvidia/skills",
      "path": "skills/omniverse-realtime-viewer/SKILL.md",
      "ref": "HEAD",
      "url": "https://www.skills.sh/nvidia/skills/omniverse-realtime-viewer",
      "key": "nvidia/skills/skills/omniverse-realtime-viewer/SKILL.md"
    },
    "compatibility": "Orchestrator skill. Downstream focused references may require NVIDIA GPUs, ovrtx, ovstream, ovui, OpenUSD, Python, Node/React, Tauri, Electron, C++, or cloud GPU deployment access depending on the sel",
    "license": "Apache-2.0"
  },
  "instructions": "<!-- SPDX-FileCopyrightText: Copyright (c) 2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved. -->\n<!-- SPDX-License-Identifier: Apache-2.0 -->\n\n# Omniverse Realtime Viewer\n\nThis is the top-level entry point for the Omniverse Realtime Viewer skill package.\nIt is self-contained: all required routing, conventions, and validation\nguidance live in the selected references.\n\nUse the focused reference documents as implementation recipes. This file chooses the\nright recipes and preserves the architectural rules that must hold across all\ngenerated viewer apps.\n\n## Instructions\n\nStart by classify",
  "cost": {
    "context_tokens": 2569
  }
}

Fetch it by URL: GET /api/v1/registry/nvidia-skills-omniverse-realtime-viewer/manifest?version=1.0.0

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