Eric van Rees started his freelancing career in 2016. Since then, he has provided content to geospatial companies all over the world, including Trimble, Hexagon, SOAR and TravelTime. His articles have been featured in various geospatial magazines and blogs. He also publishes GIS tutorials for Python developers and is co-author of the book "Mastering Geospatial Analysis with Python" (Packt Publishing). www.ericvanrees.com