Luis Sevillano

Hi! I am Luis Sevillano.

I am a developer in the graphics department at El País, where my focus lies in creating compelling visual narratives for news stories. I hold a particular passion for maps and the utilization of remote sensing within media contexts.

In my role, I cover all aspects related to mapping in elections and leverage my proficiency in working with Svelte to enhance interactive features and user experiences within our projects.

Introducing Cheesy Shadow Picker: Simplifying CSS Shadow Usage

Jan 28 2024

Discover a handy tool developed in Svelte for effortlessly enhancing text visibility on images, satellite photos, maps, and more.

The coming floods: danas, storms, and medicanes, Mediterranean storms gain intensity

Oct 19 2023

The torrential rains that have battered Greece, Libya, or Spain in the month of September are a direct result of different atmospheric phenomena, but with a common denominator: global warming increases their intensity.

Why Did the Tenerife Wildfire Spread So Rapidly?

Aug 27 2023

Terrain configuration and the presence of Canary Island pine trees contributed to the fierceness of the Arafo and Candelaria fire

Decoding Fire Control: The Aftermath of a Blaze

Apr 02 2023

After extinguishing a fire like the recent one in Castellón, another task begins for some firefighters: analyzing data and images to plan for future blazes. With insights from one of these analysts, EL PAÍS reconstructs the efforts to control a major fire, the Pont de Vilomara (Manresa) blaze, which engulfed dozens of homes last July.

The center of the world crumbles like a cookie

Feb 13 2023 Blog

Antarctica is already suffering heat waves that exceed 18 degrees Celsius and is melting at its edges. What's happening?

Mortgage Simulator: Calculate Your Loan Installment

Dec 30 2022

EL PAÍS develops a calculator for mortgage payments using Svelte and Euribor variation

Inaccessible tunnels and new caves in the area devastated by the volcano of La Palma

Sep 18 2022

Scientists are trying to explore the network of volcanic tubes formed beneath the surface of the Tajogaite Volcano, which can be more than 10 kilometers long, but temperatures inside are still hellish.

Russian ghost ships to steal grain in Ukraine

Jul 03 2022

An investigation identifies at least twenty Russian and Syrian ships that turn off their navigation systems to avoid detection while illegally loading grain from the occupied territories in Ukraine, where agricultural production has been confiscated.

What happened at the Melilla border? The step by step of the tragedy

Jul 03 2022

In this breaking news we reconstruct with testimonies, images and geolocated videos the last and deadly attempt of a group of young Africans to reach Spain.

Volcano exposed: How to interpret the signs of the La Palma eruption

Nov 06 2021

Although the island of La Palma continues to suffer earthquakes at two depths, the tremor and deformation seem to be decreasing, which is interpreted as positive signs.

The 100-Meter Sprint: Challenging the Reign of Timeless Records

Jul 31 2021

Florence Griffith Joyner's record stands strong for 33 years, while Usain Bolt's legacy remains untouched since his retirement alongside his top competitors

Mexico has 30% of its land under high seismic risk

Apr 18 2021 Blog

Authorities risk's maps reveal that one third of the population is exposed to high or very high levels of seismic hazard. Researchers analyze the risks to prevent the probable damage of a major earthquake in the country.

Daily evolution of COVID-19 in Spain by region: tracking cases, hospitalizations, and deaths.

Mar 15 2021

Stay informed with our comprehensive COVID-19 tracker, featuring daily updates, historical trends, and detailed indicators including cases, hospitalizations, and deaths.

The death of the last glaciers in Spain

Jan 03 2021

The last glaciers of Spain are disappearing. We went to the Pyrenees with a group of climate scientists to find out why.

How was Biden's victory?

Jan 10 2021

A visual analysis about 2020 US Presidential Election where Biden won the presidency.

The mortality map of Spain at an unprecedented level of detail.

Feb 07 2020

New detailed mortality data unveils substantial geographical disparities across Spain.

Europe, a continent of coalitions far beyond Spain

Jan 07 2020

Agreement between parties is the most common form of government. An analysis of 38 countries shows that coalitions are the most common form of government in Europe.

How to Merge CSV headers in R. An approach

Aug 08 2019 Blog

This post elucidates the process of handling tabular data files with multiple headers in R using the tidyverse. Such a structure is prevalent in Spanish statistical datasets.

How I covered the 2019 General Elections for the Spanish Radio and Television Corporation

Apr 02 2019 Blog

Project developed by Datadista showcasing their coverage of the 2019 general elections for RTVE, the state-owned public corporation responsible for Spain's radio and television services. The project includes scatter charts, cartograms, and numerous maps.

Custom tile writer script in Python

Oct 16 2018 Blog

Export a QGIS canvas to tiles, compatible with Leaflet or Mapbox.

GIS should be a must in newsrooms

Mar 11 2016 Blog

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

The power of remote sensing and its application to the media

Jun 04 2017 Blog

Exploring remote sensing through an analysis of two practical applications of the Difference Normalized Burn Index, focusing on the assessment of the severity of two major fires in Spain using Landsat 8 imagery.

Exploring the history of A Coruña through the construction years of its buildings

Nov 21 2017 Blog

Testing a new QGIS plugin for the Spanish cadastre mapping public lands in A Coruña.

Why are Spanish troops scattered all over the Mediterranean?

Dec 09 2016 Blog

Maps about the presence of Spanish armed forces in Italy, Turkey and Lebanon.

ai2html workshop

Jun 29 2016

Workshop about ai2html imparted at Medialab Prado in Madrid. Ai2html is an Adobe Illustrator plugin for publishing responsive graphics developed at The New York Times.

1992 Olympics in Barcelona: the city that changed forever

Jul 24 2017 Blog

We analyzed how the Olympics changed Barcelona forever on the 25th anniversary of the games using aerial images.

Transparentia. The largest search engine for politicians' salaries

Jan 02 2019 Blog

Transparentia lets you to check more than 9.600 salaries of politicians and public workers. We wanted to answer a simple question: how many politicians are there in Spain and how much are they paid.