Visual Journalism, Cartography and Tools

Maps, data, and visual stories from my daily work

Here I collect newsroom stories, independent projects, and open-source tools and experiments.

01

Selected Work

2023
Personal publication · Feb 13, 2023

The center of the world crumbles like a cookie

A long-form visual explainer on Antarctic ice change that combines satellite-derived elevation data, cartographic experimentation, and narrative graphics to show where the continent is gaining or losing ice mass.

explainer
Melilla border tragedy: step by step 2022
El País · Jul 3, 2022

Melilla border tragedy: step by step

A forensic reconstruction of the Melilla border tragedy based on geolocated videos, witness accounts, and synchronized timelines to establish a verifiable sequence of events.

investigation

02

Recent Work

Paiporta under water: reconstructing a deadly flood 2024
El País · Dec 29, 2024

Paiporta under water: reconstructing a deadly flood

Based on extensive field measurements, this project reconstructs the peak flood level in Paiporta and nearby towns, showing the full magnitude of a water mass that exceeded three meters in many streets.

investigation
Ukraine war fronts after the Kursk offensive 2024
El País · Sep 9, 2024

Ukraine war fronts after the Kursk offensive

A map-driven explainer on the Kursk offensive, contrasting Ukrainian advances inside Russia with simultaneous Russian gains in Donetsk through a clear temporal and territorial reading.

explainer

03

Tools & Teaching

Cheesy Shadow Picker v2 2026
Personal publication · Apr 1, 2026

Cheesy Shadow Picker v2

A major new version of Cheesy Shadow Picker: from a simple shadow list to a full ai2html editing workspace with drag-and-drop import, live preview controls, artboard-aware behavior, and production-ready CSS export.

tool
Inset Map Creator 2026
Personal publication · Mar 7, 2026

Inset Map Creator

A practical utility to build editorial inset maps with Globe or Region modes, align them to a main map view, and export clean SVG output for Illustrator and ai2html workflows.

tool
Real-Time Global Air Traffic Visualization 2025
GitHub · Apr 17, 2025

Real-Time Global Air Traffic Visualization

A lightweight GitHub Actions workflow captures near-real-time global aircraft positions, making it possible to reconstruct events such as sudden airspace closures during conflicts.

tool
Mapbox inset map 2024
Observable · May 28, 2024

Mapbox inset map

A very interesting utility to build inset maps for Mapbox scenes that include bearing and pitch, solving a gap where no native option exists.

tool
Scaling artboards for ai2html 2024
Observable · Apr 5, 2024

Scaling artboards for ai2html

A tiny utility to calculate the exact scale ratio between ai2html artboards, helping map and graphics workflows move faster in Adobe Illustrator.

tool
GIS should be a must in newsrooms 2016
Personal publication · Mar 11, 2016

GIS should be a must in newsrooms

A course about the basic principles of cartography and GIS I gave to data journalism students at the University of Villanueva, in Madrid.

case-study