Lyes Tarzalt
Software Engineer
I build things that work. Based in Malaysia, originally from Algeria. I write about parsing, flight simulation tools, and the engineering behind real-time systems.
Recent Writing
View allParsing X-Plane Airport Layout Geometry from apt.dat
A practical guide to parsing airport geometry from X-Plane's apt.dat format. Covers bezier curve encoding, control point mirroring, winding order for holes, split beziers for sharp corners, and common mistakes.
Parsing Painted Lines and Taxiway Lights from apt.dat
How X-Plane encodes taxiway markings and embedded lights using linear features in apt.dat. Covers the line type system, segment splitting, type inheritance through bezier curves, and the split bezier bug that makes lines invisible.
Building a Real-Time Supervisor Dashboard for AI Voice Agents
I had a working voice agent in production and a question: what happens when the AI screws up right now? Not tomorrow in the analytics. Right now. So I built a real-time monitoring dashboard.