BimCT SDK / WebGL2 Viewer
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    Nomitech's BIM Rendering Engine is a low-level 3D rendering engine specifically designed to achieve high-performance and quality rendering for BIM-enabled applications. Developed over 7+ years by a team of highly skilled developers specialized in computer graphics, BimCT is the most powerful BIM rendering engine currently available on the market.

    The engine is available in three different flavors:

    • BIM Viewer for Windows/Linux - OpenGL 4.5 (high performance desktop)
    • BIM Viewer for Windows/Linux/Android/iOS - OpenGL ES 3.0 with ANGLE
    • BIM Viewer for WebGL2 - WebAssembly (browser-based)

    The renderer is built and compiled in C++ utilizing OpenGL-ES 3.0 for WebGL2/Mobile and OpenGL 4.5 for Native Desktop. Virtual and Augmented Reality is built utilizing OpenXR (Desktop/Mobile) and WebXR (WebGL2), mainly tested with Meta Quest 2 and Oculus Rift controllers.

    High and low-level API wrappers are available for:

    • JavaScript / TypeScript (High & Low Level) - WebGL2 Browsers
    • Java (High & Low Level) - Android, Windows
    • C# / .NET (Low Level) - Windows
    • Objective-C / C / C++ (Low Level) - iOS, all platforms

    🎨 Rendering & Performance

    • Extreme Performance Rendering - Up to 1 draw call per model on shaded mode with OpenGL 4.5
    • Multiple Shading Modes - Transparent, Hidden Lines, Hybrid, Shaded, Realistic
    • Advanced Graphics Effects - Ground Shadows, Scene Grid, Enhanced Silhouettes, MSAA, FXAA, SSAO
    • Occlusion Culling - Selective rendering for optimal performance
    • Hybrid Rendering - Mixed transparent and solid rendering modes
    • Offscreen Rendering - Streaming Image API support
    • Instant Model Imports - Memory caching for fast loading

    📐 Navigation & Views

    • 2D and 3D Combined - Switch seamlessly between 2D Paper and 3D Visualizer in the same scene
    • Multiple Navigation Modes - Orthogonal, Perspective, Fly, Touch, and VR
    • Camera Cube & Compass - With TrueNorth support, rotations, and zoom transitions based on Quaternions
    • Mini Map - Small navigation map of the scene
    • Cutting Planes - X, Y, Z, and custom cutting plane support

    ✏️ Selection & Interaction

    • Single Selection Modes - Elements, Faces, Lines, Points, Measurements (Areas, Points, Count Symbols)
    • Rubberband Selection - Front Inclusion, Front Intersect, Deep Inclusion, Deep Intersect for Elements, Faces, and Measurements
    • Bulk Operations - Highlights and dynamic colorization of Elements, Split Elements, Faces, Lines, Areas, Lengths, and Points
    • 3D Transformation Widget - Out-of-the-box widget to move, rotate, and scale objects
    • Split Objects - Knife, Scissors, and Cut Into Pieces techniques

    📏 Measurements & Quantities

    • Dynamic Measurements - Areas, Lengths, Points, Arcs with real-time updates
    • GPU-Based Quantity Takeoffs - For Elements, Faces, Lines, Points, Measurements
    • O-Snap Computation - Based on conceptual lines, points, and predefined snap symbols
    • Real-Time Snapping - Quick Area and Quick Corner based on image recognition algorithms
    • Extrusion Support - Create walls with opening areas on top of 2D drawings
    • GIS Ready - Synchronize cameras and visualize 3D/2D models in 3D or 2D maps
    • Multiple Map Providers - Google, Bing, OpenStreet Maps, and ArcGIS imagery support
    • Coordinate Transformation - APIs and UI to transform models using real-world GIS coordinates and elevation
    • Terrain Import - Import geographic terrains into the 3D scene
    • GIS Export - Export models to BimCT GIS Layers Server for external map layer tools

    🌞 Lighting & Environment

    • Photorealistic Sky Maps - Day and Night Sky rendering
    • Sun Light & Shadow Maps - Sun, Sun-Light, Sun-Lens rendering based on angle to TrueNorth and Year-Day-Hour
    • Animated Clouds - Dynamic cloud animations
    • Real Geolocation - Sun position based on actual geographic location

    🎭 Elements & Animations

    • Static & Dynamic Elements - Support for both static geometry and animated elements
    • Animation API - Animate objects using timelines with start, stop, pause, and resume controls
    • Entourage Graphics - Billboards and high-quality textured graphics elements
    • 2D Texture Planes - Overlay support for images and textures

    🎨 Drawing & Markup

    • 2D Text and Shape Vectorizer - High Performance for PDF Files using Text and Shape Vectorization
    • 2D Drawing Overlay API - Text, Images, Markups, Labels, Polygons, Symbols, Pins
    • Similar Image Detection - API based on image samples
    • Image Recognition - Advanced algorithms for Quick Area and Quick Corner detection
    • OCR Support - Scan text on any drawing part (3D or 2D)
    • Model Comparison - Side-by-side (split) or overlay mode
    • Alignment API - Align models that are not aligned (federation support)
    • Model Federation - Work with multiple models simultaneously
    • WebXR & OpenXR Support - Quest Link, Oculus Rift, Meta Quest 2, HTC Vive, and all WebXR-compatible headsets
    • VR UI Rendering - Offscreen canvas and HTML/CSS rendering on 3D planes
    • 3D Laser Pointer - 2D pointer projection on HTML5 elements rendered on planes
    • Controller Visualization - Meta Quest controller and laser real-time visualization
    • VR Movement - Teleportation and real-time movement support
    • Design Tree Window - Optimized for thousands or millions of tree nodes without DOM overhead
    • Ready-Made Windows - Properties, Filtering, Views, Sharing, Settings, Split Objects, Compare Models, Export GIS
    • Context Menus & Toolbars - Implementing general actions to enable BIM features in applications
    • Fully Customizable - All UI components are customizable and embeddable
    • High-level API - Very simple to use and embed, no 3D graphics knowledge required
    • All WebGL2-compatible browsers - Chrome, Firefox, Safari, Edge and all major browsers
    • Framework Ready - Works with Angular and vanilla JavaScript/TypeScript
    • Fully documented - Complete JavaScript and TypeScript API documentation
    • WebXR Support - All WebXR-compatible headsets (Meta Quest, HTC Vive, etc.)
    • Out-of-the-box UI - Customizable UI components for design trees, properties, selections, settings, markups, and more
    • Windows and Linux desktop applications
    • Unbeatable desktop performance - Can draw a whole building with one draw call
    • Maximum quality - Highest performance rendering
    • Mobile applications - Android and iOS
    • Cross-platform compatibility - Consistent rendering across devices

    BimCT Visualization

    💡 Ready to get started? Check out our Getting Started Guide or explore the API Documentation.

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