Speed up ArchGDAL.contains for thousands of data

[Frankiewaang]

Sorry guys, it seems to be a replicated question, I would Try using GMT.jl first.

Efficiently check if points are contained in polygons

Thank you for your reply! I will change the array data type. Thank you for pointing out these C packages, do you know where to find tutorials for them? For now I will focus on learning Julia, but it would be nice to have a look at these packages.