University of Oulu’s realXtend Tundra & Webtundra based VirtualOulu environment was presented and analyzed at Web3D 2016, presented in late July in Anaheim, California. Article is in open access at ACM: VirtualOulu: collaborative, immersive and extensible 3D city model on the web

VirtualOulu has been in testing for long already, is hosted on Meshmoon and features Jonne Nauha’s early stab from a couple of years ago on kd-tree based scalable scene management, with prioritized asset loading etc. The test for measurements in the article is this walk from the market square to the cultural center near town hall: