2023-11

琉球列島地形復元

Topography formation in the Central and Southen Parts of Okinawa Island and the Nakagusuku Bay

Abstract: Through the digitization and analysis of Geographic Information System (GIS) data obtained from the "Chunjun Bay Submarine Topography Geological Surve...
沖縄戦

Spatio-Temporal Analysis of the War Dead from Yomitan and Gushikami during the Battle of Okinawa

Abstract: This paper aimed to visualize the spatial distribution based on the location names listed in the Yomitan Village roster of the deceased, elucidating t...
琉球列島地形復元

Producing DEM Using AMS 1/4800 Topographic Maps (1948) and Landform Transformation Analysis by Differences Between GSI 5m Mesh DEM

Abstract: This study examined an efficient method to generate extensive grid elevation from U.S. military-produced 1/4800 topographic maps and found this approa...
琉球列島地形復元

1948 Landforms and Their Transformation in the Central and Southern Parts of Okinawa Island

Abstract: This study enhances the grid elevation generation method established by Watanabe et al. (2014) using the U.S. military's 1/4800 topographic maps. By m...
琉球列島地形復元

Topographic Analysis of the Northern Part of Okinawa Island Using Summit Level Map

Abstract: This research developed a method using GIS software to create peak-to-saddle maps and saddle maps via the buried valley method from digital contour da...
琉球列島地形復元

Topographic Analysis of the Fukuji Riversystem

Abstract: Peak-to-saddle maps are considered as representations of the pre-eroded topography, and by expanding the buffer size, these maps are used to estimate ...
QGIS

プロジェクトファイルの相対パス

いまだにQGIS2.14を利用しています。YouTubeにアップしてある操作動画などの資料が、QGIS2時代からのもので、今更作り直すのは大変なので。ですので、この話はQGIS2.14が対象です。これ以外は修正されているかもしれません。大学講義で、課題として作成したデータを回収すると、パスが不正でGISデータのパスを再...