Toshikazu Seto

Sustainability challenges are deeply intertwined and complex. Maps made with open-source software and FAIR spatial data can be used as leverage points to promote global sustainability understanding while simultaneously integrating localized values and identifying solutions.

OpenStreetMap (OSM) is a prominent platform for Volunteered Geographic Information (VGI), wherein a diverse array of geographic data, including road networks, buildings, land use, and points of interest (POI), are updated daily by the community.

This study compares CesiumJS and MapLibre GL JS performance for displaying large-scale 3D geospatial data from Japan's PLATEAU and VIRTUAL SHIZUOKA projects, finding CesiumJS excels with 3D Tiles while MapLibre GL JS performs better with lightweight vector data.

This paper aims to clarify the state of development of highly accurate and open 3D city model data and its usage methods, which started in Japan in 2020, from two aspects: quantitative geospatial analysis using publicly available data, and qualitative evaluation analysis of 40 us…

This paper aims to clarify the state of development of highly accurate and open 3D city model data and its usage methods, which started in Japan in 2020, from two aspects: quantitative geospatial analysis using publicly available data, and qualitative evaluation analysis of 40 us…

Japan's open infrastructure map development using OpenStreetMap was triggered by the Great East Japan Earthquake in 2011, which led to a widespread understanding of the activity, and by the end of September 2019, more than 35,000 unique users had made some kind of contribution, a…

In this research, the OSM-Notes feature is mainly viewed as data that can be examined speedily from OSM data globally in terms of the content of the notes posted and the location of users.