How to choose the direction of traversal of a point cloud?

Question

SQL

Good afternoon. There is a table that contains all the coordinates of a certain region of the world map. That is, each line is 2 coordinates of the map area plus the primary and foreign keys. How to determine the direction of traversal of an existing point cloud?

Answer 1

How to choose or how to determine?
If the points are given in order of traversal of the region boundary and you need to understand in which direction the traversal is performed, see oriented polygon area .