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IOViewer v0.1.0

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@github-actions github-actions released this 11 Nov 09:27
· 89 commits to main since this release
v0.1.0
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Initial Release

  • Pure Managed 3D BIM & CAD Viewer Library (IOViewer):
    • Independent intermediate BIM/CAD document representation (ViewerDocument, ViewerElement, ViewerMesh, ViewerMaterial, ViewerTexture).
    • Standalone, zero-dependency self-contained interactive 3D WebGL HTML Viewer exporter (HtmlViewerExporter).
    • Packed binary Base64 geometry encoding (Float32Array positions and Uint32Array/Uint16Array indices) for ~3x payload reduction over JSON.
    • Relative-To-Center (RTC) coordinate shifting to eliminate WebGL 32-bit floating point precision jitter on large georeferenced coordinates.
    • Interactive 3D ViewCube with orientation faces and directional navigation arrows.
    • Sectioning Suite:
      • Arbitrary section planes with interactive in-scene 3D normal drag gizmo manipulator and direction flip.
      • 6-sided Section Box (bounding box volume, interactive scaling slider, fit-to-selection, and invert clipping mode).
    • Display Modes: Material colors with opacity, Diffuse Textures with real-world UV box projection, White/Clay architectural model, Wireframe, and global scene opacity slider.
    • BIM Data Hierarchy & Navigation: Category tree with element counts, Linked files panel, instant search with autocomplete and camera focus, properties inspector panel, and selection actions (Isolate, Hide, Show All).
    • Coordination & Spatial Tools: 3D spatial grids projection, interactive 3D point-to-point measurement, 4D TimeLiner schedule simulation player with status coloring, and clash detection inspection.
    • Camera Animations: Cubic Ease-In-Out transitions, Turntable 360° presentation orbit, and Saved Viewpoints Walkthrough Tour player.
  • File Format Importers:
    • GlbViewerImporter: Load binary glTF 2.0 models (.glb) directly into ViewerDocument.
    • ObjViewerImporter: Load Wavefront OBJ models (.obj) into ViewerDocument.
    • JsonViewerImporter: Load structured JSON model snapshots into ViewerDocument.
  • Command Line Interface (ioviewer):
    • Convert GLB, OBJ, or JSON into self-contained HTML viewers.
    • Optional built-in HTTP preview server (--serve).
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