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.
CAD model floor map example used in the experiment. It includes various geometric layer entities: Line entities represent the layout, polygon entities for walkable hallways, ellipse entities for doors and text entities for room number labeling.
