What S2Region and how should I use to get all s2 cells at certain parent level(let say 9) covered by the circle drawn from given lat, long and radius. Below is an example which use python s2 librar...

I have a shapefile (with several polygons) and a dataframe with coordinates. I want to assign each coordinate in a dataframe to a polygon in a shapefile. So to add a column in a data frame with a p...

I have geo location of vehicles and my point in the city and I need to find those vehicles that are within 5kms radius of my point. I could represent the vehicle locations and my point with S2 cell...