Presentations

Below a list of PROJ related presentations have been given at FOSS4G, the leading annual conference for free and open source geospatial software, EUREF meetings or other events.

• Is here still where it was? Changes in terrestrial reference frames in R spatial packages by Roger Bivand, useR! 2026, Warsaw, Poland.

• PROJ is not only about projections by Javier Jimenez Shaw, Pix4D, at FOSS4G Europe 2026 in Timișoara, Romania.

• Introduction to Vertical Coordinate Systems by Javier Jimenez Shaw, Pix4D, at FOSS4G Europe 2024 in Tartu, Estonia. Recording.

• Coordinate reference systems by Roger Bivand and Edzer Pebesma, at the University of Chicago Center for Spatial Data Science in January 2023. Recording.

• Site Calibration with PROJ and WKT2 by Javier Jimenez Shaw, Pix4D, at FOSS4G 2023 in Prizren, Kosovo. Recording.

• Introduction to Coordinate Systems by Javier Jimenez Shaw, Pix4D, at FOSS4G 2023 in Prizren, Kosovo. Recording.

• PROJ, une librairie ouverte de transformation de coordonnées (in French), Commission GeoPos, October 2022, by Even Rouault, Spatialys

• Transformations using PROJ by K. Evers, G. Valsson, P. Häkli, J. Lesparre et al., E. Brockmann and M. Clausen, at EUREF 2019, Tallin, Estonia.

• Why have CRS, projections and transformations changed? by Roger Bivand

• Status report on PROJ by K. Evers, at FOSS4G-Europe 2018 in Guimarães.

• A history, status report, and outlook of Proj.4 in FOSS4G-NA 2017, by Howard Butler, Hobu Inc.

• Transformation pipelines for PROJ.4 at FIG Working Week, Helsinki, 2017, by K. Evers and T. Knudsen, Danish Agency for Data Supply and Efficiency. Accompanying paper.