Sqlite3 insert optimization summary
background
Recently, the main application scenario for the function of persisting vector data to Spatialite database is to request vector data in a certain range from db in real time, obtain its information (point set, style and field), present it on the map, or carry out vector information processing related businesses through the RTree ...
Added by alirezaok on Thu, 23 Dec 2021 15:54:16 +0200
Implementation of the algorithm for finding the horizontal quasi maximum rectangle inside an arbitrary polygon
Background description
Some time ago, there was a need to find out whether the point is inside the polygon, which has been tossed for a lot of time. Now we intercept the key part - finding the horizontal direction like the largest rectangle inside the arbitrary polygon - to make a blog.
The algorithm is easy to find out whether the point is i ...
Added by johlwiler on Wed, 22 Dec 2021 08:06:02 +0200