a web application for thematic flow mapping

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More informations and demos below


Bikes Sharing

Number of trips between stations of the London's Santander Cycle Hire Scheme in 2017, source: Data London.

Swiss Commuting

Daily commutes in Switzerland (2014), source: Swiss Federal Statistical Office.



The project is funded by IFSTTAR's scientific direction, with the participation of the Projet federateur Mobilities and numeric transitions. It is also supported by the research group GDR Magis through the GEOWEB prospective action.


  • Thomas Bapaume : Développement & Conception
  • Etienne Côme : Développement & Conception
  • Françoise Bahoken, Etienne Côme et Laurent Jégou : Responsabilité scientifique, conception et coordination



The gFlowiz initiative supports on the web design of a geo visualization application for flow or traffic data to analyze the geographical determinants of spatial mobility. To this end, it aims to allow data describing geographical interactions to be explored and represented graphically, from different points of view, by focusing on spatial scale issues specific to certain data sets (the world scale or local scale) and their temporality.


The challenge of gFlowiz therefore consists in offering a set of tools for the analysis and representation of complex geographical interaction matrices (categorical and temporal), which is innovative in terms of methodology (articulation of several dimensions, interactivity, animation), techniques (ease of exploration, fluidity of the display, etc.) in a simple configuration facilitating their appropriation by different audiences (academic, institutional, socio-economic, educational...).


  • Françoise Bahoken, geographer, Research scientist, IFSTTAR
  • Etienne Côme, computer scientist,Research scientist,IFSTTAR
  • Laurent Jégou, geographer, teacher-researcher, Université Toulouse 2 / UMR 5193 LISST
  • Grégoire Le Campion, statistical engineer (UMR Passages, Bordeaux)
  • Marion Maisonobe, geographer, Research scientist CNRS, UMR Géographie-Cités
  • Alain Nguyen, geomatics student, Université Paris 8 (2018-2019)
  • Thomas Bapaume, data scientist student, ESIEE Paris (2018-2019)
  • Nicolas Roelandt, geomatics engineer, IFSTTAR

Libs & data



BSD 2-Clause License
Copyright (c) 2019, IFSTTAR
All rights reserved.

Source Code

Source code and documentation available on Github:

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