Stefan Gelfgren

QuarryGIS is an interactive environmental visualization and benchmarking tool built to make quarry and construction sector impacts tangible for producers, clients, and planners.

This project focused on crowd sourced urban data collected from Tyck Till an app developed by Stockholms Stad where users can leave feedback and report errors in the city. The data contains approximately 800 000 georeferenced reports in various categories. The goal of this project was to facilitate interactive exploration of this data through filtering and…