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.
Wrapping of line of action around a single cylinder from the given origin point O to the given endpoint E through one via point (I) whose coordinates were automatically evaluated so that the overall length of the path from O to E would be minimal. (Online version in colour.)
