G2Viz: an online tool for visualizing and analyzing a public transit system from GTFS data. - Sirapop Para; Thanachok Wirotsasithon; Thanisorn Jundee; Merkebe Getachew Demissie; Yoshihide Sekimoto; Filip Biljecki; Santi Phithakkitnukoon (Public Transp., 2024)