Aux quatre vents

Landscapes and archaeology, mostly...

Site migration

This site began as my experimental blog, but at one point I decided to divide the contents. From now on, you can find my academic stuff at and GIS / lansdcape archaeology topics at

Entangled Sea conference

Progamme Monday, 11th June 2018 6-7pm Wine reception, Ellen Wilkinson Building, Graduate School Foyer Tuesday, 12th June 2018 9-10am Registration 10-11am Nicholas Purcell, Mediterranean histories, global contexts? 11-11.30am Coffee Evide...

Meet Senscape, a toolbox for analysis of human landscape experience

Viewshed analysis plugin for QGIS has been evolving (slowly) and eventually acquired a new habitat: the Processing toolbox. It can now be used in custom models and scripts similar to other Processing providers (such as SAGA or GRASS). The transformation was not a simple one and the whole thing i...

Visibility analysis, release 0.5.4:
modelling the horizon

Visibility analysis plugin for QGIS is prospering quite well. As of writing, it counts some 20 000 downloads and a bunch of « votes », which means that at least several thousand people are using it. (Although, it does feel uncomfortable knowing that any potential error would risk a blame-storm ….)

Pebbles, faces and landscapes:
the archaeology of simulacra

Several weeks ago I stumbled upon an amusing article on a museum displaying pebbles and rocks resembling human faces, situated in Chichibu, Japan. The stones are called jinmenseki (珍石) and one should be able to recognise human faces in their naturally occurring dents and holes.

QGIS viewshed plugin - a tutorial

Important: This tutorial was made for QGIS 2, which is deprecated. For a tutorial made for QGIS 3, please go to