Nils Ratnaweera, freelance data scientist
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Teaching geospatial: ArcGIS or QGIS?

Every year we teach well over a hundred Bachelor and Master students basic and advanced concepts…

Nov 20, 2022
Nils Ratnaweera

How open are our cantons?

Federalism at its best: How the open data policy is handled across cantons

Dec 1, 2021
Nils Ratnaweera

Warping Switzerland back into shape

What changed when switching from Switzerland’s old coordinate system to the new one?

Nov 5, 2021
Nils Ratnaweera

Benchmarking binary predicates

Comparing the performance of different methods to do a “point in polygon operation” with sf.

Oct 22, 2021
Nils Ratnaweera

Minimalistic topography

A beautiful way to visualize topography, inspired by Carla Martínez Sastre

Aug 13, 2021
Nils Ratnaweera
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“The time has come”, the Walrus said, “To talk of many things..” - From The Walrus and the Carpenter by Lewis Carroll