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.
Semantic layers extracted from CAD model using our indoor map editor. The layout is parsed from line entities, the doors are from ellipse entities, and the rooms are from text entities. Polygon entities are not applied due to it deficient representation for the hallway areas.
