Fig 1. ON and OFF states for local parameter settings.
Three parameters determine a school’s state (yellow: effective distance, blue: effective visual field, and purple: turning rate). Colour indicates the ON state.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.