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Export a self-contained HTML file with an embedded 3D model viewer #25
Description
Goal
Share an RVT model as a single HTML file that opens locally in a browser with an embedded interactive viewer and requires no Revit installation or application server.
Current behavior
RvtIO has no standalone HTML model-viewer export.
Scope and milestones
- Embed the model scene, viewer code, styles and required assets so the delivered file works offline without CDN requests.
- Provide orbit/pan/zoom, fit-to-model, element selection/highlighting, hierarchy or category browsing, property inspection and hide/isolate controls.
- Expose API and CLI export options for model selection and included metadata.
- Handle empty or partially supported models with a clear completeness summary.
- Choose a redistributable rendering stack and include the required dependency notices.
Acceptance criteria
- Open the generated file through a local file URL in supported browsers and verify that it makes no required network requests.
- Select a visible element and show its corresponding identity and selected properties.
- Test navigation, visibility controls, materials and a larger model.
- Escape model text and property values so they cannot execute as page content.
- Make omitted geometry and unsupported content visible without exposing implementation internals to the viewer user.
Dependencies
- Requires Export a browser-ready model scene with geometry and element metadata #24: Export a browser-ready model scene with geometry and element metadata.
Activity
Export browser-ready 3D scenes (.glb, rvtio-scene/1) and standalone H…
mahach666 commentedon Nov 11, 2026
Architecture update: integrate with IOViewer
The standalone HTML/WebGL viewer belongs in IOExtend/IOViewer. This issue now tracks RvtIO integration with that viewer.
Responsibilities:
RvtDocumentinto aViewerDocument.The core RvtIO and IOViewer packages remain independent. The adapter should use IOViewer's existing HTML exporter and preserve geometry-to-element identity, materials, selected properties, units, coordinate precision, and diagnostics for omitted geometry.
Implementation and acceptance:
Related scene/geometry work remains tracked by #24. PR #186 can be used as reference material for reusable geometry work, with the HTML/WebGL implementation supplied by IOViewer.
This issue remains open until the adapter and the integration acceptance checks are delivered.