ISPRS International Journal of Geo-Information (IJGI, ISSN 2220-9964, 2021 Impact Factor 3.099, http://www.mdpi.com/journal/ijgi is the open access journal of the International Society for Photogrammetry and Remote Sensing(ISPRS) and is published monthly online by MDPI. IJGI provides an advanced forum for geographical information science. The scope of IJGI is geoinformation (science) and its related applications.