Time series analysis of 3D/4D point clouds within the open-source online course E-TRAINEE - Anders, Katharina; Höfle, Bernhard; Zumstein, Sina; Dvořák, Jakub; Gryguc, Krzysztof; Kupková, Lucie; Marcinkowska-Ochtyra, Adriana; Mayr, Andreas; Ochtyra, Adrian; Potůčková, Markéta; Rutzinger, Martin (VGC 2023 - Unveiling the dynamic Earth with digital methods, 2023)