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.
Graphical representation of how the tool generates the shortest path through the graph of surface vertices (blue spheres) and uses this to define the final minimized ‘shortest path’ spacer (green atoms). Multiple close surface vertices to each connection atom point are used as start and end points
