# Writing - Lyes Tarzalt

> Engineering deep dives on parsing X-Plane airport data, building real-time dashboards, and the decisions behind shipping software.

Source: https://tarzalt.dev/blog/

# Writing

Engineering deep dives and things I figured out the hard way.

## 5 posts

## Building Dinar Échange

 Mar 30, 2026

An app for tracking Algerian dinar exchange rates. The hard part wasn't the app, it was finding the data.

 Flutter AWS Lambda Scraping Mobile

## Building X-Dispatch

 Mar 30, 2026

I left a comment asking for a feature in 2021. Five years later I built it myself.

 X-Plane Electron React MapLibre

## Parsing X-Plane Airport Layout Geometry from apt.dat

 Feb 5, 2026

A guide to parsing airport geometry from X-Plane's apt.dat format — bezier curves, control point mirroring, winding order for holes, split beziers for sharp corners, and the gotchas that break your parser.

 X-Plane Bezier Curves Parsing Geometry

## Parsing Painted Lines and Taxiway Lights from apt.dat

 Feb 5, 2026

How X-Plane encodes taxiway markings and embedded lights using linear features in apt.dat, and the type propagation gotchas that make lines disappear.

 X-Plane Bezier Curves Parsing Geometry

## Building a Real-Time Supervisor Dashboard for AI Voice Agents

 Nov 15, 2024

Building a real-time supervisor dashboard for AI voice calls. Live sentiment analysis, human intervention, and seamless handoffs - all without complex infrastructure. Just LiveKit rooms and some clever thinking.

 AI Voice Agents LiveKit Real-time Monitoring WebRTC

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a blog. the posts below are the content. the rest is decoration. he writes
infrequently because writing is harder than people pretend, and the world
already has enough things to read.