Creating 3D map visualizations in the browser is a complex task that involves handling geospatial data, WebGL rendering, and performance optimization. This article shares the author's experience building a pure frontend SPA visualization engine using Three.js, from parsing GeoJSON to implementing animated flow lines. The 12 pitfalls discussed include common issues like coordinate system mismatches, texture memory management, and camera control challenges. Each pitfall comes with practical solutions that can save developers significant debugging time. For anyone working on data visualization or geospatial frontend projects, this experience report offers actionable insights that go beyond basic tutorials.
A developer's account of building a 3D map visualization engine with Three.js, covering GeoJSON handling and performance pitfalls.