Progression path for a GIS analyst who wants to become proficient in using Python for GIS: from apprentice to guru This is an attempt to provide a structured collection of resources that could help a ...

Spatial data analysis has become increasingly important in various fields, including urban planning, environmental science, agriculture, and epidemiology. With the rise of geographic information ...

gisのJavaScriptライブラリのleafletについていろいろ調べてましたが、どうやら、pythonからleafletをいじれるfoliumというpythonのライブラリがあるらしく、触ってみたらかなり簡単そうだったので、簡単な導入を。 foliumはleaflet.jsというJavascriptで使用することの ...

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日本のGISデータを扱っていると、旧日本測地系（Tokyo Datum）で作られた古いデータに出会うことがあります。このデータをそのまま現在の測地系（JGD2011）のデータと重ね合わせると、場所によっては400mを超える位置ずれが生じます。今回は、このずれをなぜ ...