river valley civilizations providing river valley civilizations interactive display unit at porunai museum, tirunelveli district. , river valley civilizations - interactive interface - introductory gallery this multi-user touchscreen module showcases the porunai civilization in context with other ancient river valley societies, encouraging global comparisons through engaging visuals, interactive maps, and immersive, layered storytelling. , 86 inch touch display: 1. 85-inch 4k uhd led touchscreens designed for interactive museum installations. 2. resolution: 3840 × 2160 (ultra hd), ensuring sharp rendering of 3d artefacts, tools, and environments. 3. multi-touch capability: supports multi-user interaction (=20 touch points), enabling up to 4 users to simultaneously participate in simulations. 4. brightness: =400 nits for visibility in varied indoor lighting conditions. 5. usage certification: 16/7 continuous operation. 6. warranty: standard: 3 years extended: additional 2 years (company-provided), totalling 5 years of coverage. , fabrication: 1. durability: anti-glare, anti-fingerprint, and scratch-resistant tempered glass for longevity in high-traffic museum settings. 2. dual-display interactive frame designed for museum-grade durability. 3. material: mild steel frame with acp (aluminium composite panel) cladding. 4. design: tamper-proof, vibration-resistant, and compliant with museum aesthetics. 5. cable management: concealed wiring with service access panels. 6. ergonomics: height and angle optimized for both adults and children; wheelchair-accessible. , high end graphical computer: options (based on os & ecosystem preferences): 1. windows-based system processor: intel core i7 (12th/13th gen, 12+ cores). ram: 16 gb ddr5 (expandable to 32 gb). graphics: nvidia rtx 4060 / 4070 (8–12 gb vram) for real-time rendering of 3d environments. storage: 1 tb nvme ssd for fast load times of interactive content. os: windows 11 pro. or 2. apple macos-based system model: mac mini with m4 processor. gpu: integrated m4 gpu optimized for webgl (babylon.js). ram: 16 gb unified memory. storage: 512 gb – 1 tb ssd. os: macos sonoma or later. , 3d content engine & software: platform: babylonjs (webgl-based) – browser-compatible, requiring no external installations. core features: 1. global river valley map stylised 3d map highlighting ancient river systems across civilisations. interactive zoom, pan, and rotate controls. 2. timeline-based exploration chronological visualisation of civilisation development. slider interface for navigating historical periods. 3. 3d artefact showcase high-resolution photogrammetry-based 3d scans of artefacts. full 360° rotation, zoom, and texture detail inspection. 4. comparison modules side-by-side thematic comparisons of tools, trade, architecture, and lifestyle across civilisations. 5. narration & subtitles audio narration in tamil & english. optional subtitles for accessibility. 6. backend cms (content management system): easy-to-use interface for curators to upload/update 3d artefacts, text, audio, and video. role-based access for administrators and editors. secure database for artefact metadata. 7. performance optimisations: progressive 3d model loading for smooth interaction. optimised compression for mobile/pc cross-compatibility. , transport,delivery, installation, and deployment: transport & delivery installation calibration & testing maintenance support => limited