NavDar — Enterprise Indoor Wayfinding & Venue Navigation
Interactive 2.5D/3D indoor mapping and turn-by-turn navigation platform for commercial shopping malls, medical campuses, and airports.
Accurate pathfinding across multi-floor complex indoor architectural layouts
Commercial shopping centers, international airport terminals, and university hospitals
Eliminated visitor confusion and staff inquiries with kiosk QR handoffs
Project Architecture & Objectives
Key Capabilities Delivered
Constructed interactive vector map renderer using Three.js and GeoJSON with multi-floor switching
Implemented Dijkstra and A* pathfinding algorithms optimized for elevators, stairs, and wheelchair-accessible routes
Built venue management administrative portal for drawing POIs, updating store occupancy, and editing route nodes
Optimized mobile web client for 60fps rendering across both budget mobile hardware and 4K kiosk displays
Engineering Challenges & Solutions
Critical architectural hurdles solved to deliver performance, security, and scale.
Multi-Floor 3D Path Computation in Mobile Browsers
Calculating 3D vector paths across multiple elevator transfers created frame drops on mobile devices.
Pre-computed floor transition graphs into compressed adjacency matrices, delegating path lookups to a lightweight Web Worker.
Visual Systems & User Experience
Technologies & Infrastructure
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