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.
Omnidirectional mosaic built from 30 tiles of 1000×1000 pixels with 200% buffers. The image represents the multiplication of the two directional mosaics as described in the text. The location of the tiles, shown with exterior grid marks, indicates where tile seams are located.
