How to store polygons created by addDrawToolbar in variables as sf data
By using addDrawToolbar, I was able to draw polygons on the map. Is it possible to store this polygon in a variable as sf format?
In the subsequent processing, I intend to combine (st_union) with the existing polygon (Administrative district data).
Therefore, I am looking for a way to save it as sf format data.
If you know or have a web page that you can refer to, please let me know.