Programmers may define a line set as an array of polylines to accelerate hit-testing, pathfinding

https://troybbnh911.zenbloomer.com/posts/how-to-protect-an-hvac-line-set-during-renovation-projects

Programmers may define a line set as an array of polylines to accelerate hit-testing, pathfinding, and collision detection, using spatial indices to swiftly query segments in large interactive scenes.