The Largest Digital Photo

Gigapixel writes to point us to what is claimed to be the largest digital
photo on the Net, at 8.6 Gigapixel. It is a composite photo of the ""Parete
Gaudenziana,"" a fresco painted by Gaudenzio Ferrari, dated 1513. This fresco
is in the Church of Santa Maria delle Grazie, in the convent of Varallo
Sesia, diocese of Novara and Province of Vercelli, Italy. The site uses Flash
to let you explore the fresco over a zoom range of more than 180 to 1. The
photo is made up of 1145 images, each 12.2 Mpixel and 16 bits per color
channel. Read on for more technical specs of the photo.

Photo Shots: 1,145
Computed Data: 84 Gigabyte
Computed Pixels: 13,982,996,480
Color Depth: 16 bit per channel

Cropped Image Size: 8,604,431,000 (w. 96,679 x h. 89,000) pixel
Image Size before the final crop: 10,293,864,000 pixel (w. 103,560 x h.
99,400) pixel
Size on Hard Disk of the 3x16 bit final image: 51,625,586,000 byte

Size of Photographed Scene: 10.80 m x 9.94 m (35.43 ft x 32.61 ft),
corresponding to 107.35 m2 (1155.37 ft2).

True Scale Resolution: 227 dpi
Pixel Density: 80 pixel/mm2
Linear Pixel Density: 9 pixel/mm

Hard Disk space dedicated to 16 bit computing: 1.8 Terabyte
Ram: 16 Gigabyte
Processors: 4 x AMD Opteron(TM) 885 Dual Core 64 bit

Shooting on January 30, 2006
Shooting time: 13 hours
Computing time: 3 months
Final Image generated on June 15, 2006


Reference:
http://www.haltadefinizione.com/
http://slashdot.org/articles/06/10/29/2239224.shtml