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Not sure but my guess would be 1 byte per color (R, G, and B) per pixel to
allow for 256 shades of color depth/color/pixel.

On Tue, Jan 11, 2011 at 6:44 AM, Alan <cfuture@xxxxxxxxxxx> wrote:

Found in this article:

Draw the Curtains: Gigapixel Cameras Create Highly Revealing Snapshots
[Slide Show]: Scientific American:
http://www.scientificamerican.com/article.cfm?id=gigapixel-camera-revealed

..is a reference to this web page from a company that makes the cameras
that says it takes 30-40 gigabytes to store one 10-gigabyte image:

360world - Gigapixel images:
http://360world.eu/en/services/gigapixel-images.html

Snipped paragraph:
An image of 10 gigapixels takes approximately 30-40 gigabytes of hard
drive space in PSB format. The vistas displayed on the internet consist
of 20-30.000 converted JPG images. They are arranged in 5-10 individual
layers, so the user's computer will only download and display those
relevant to the desired level of magnification. This technology allows
gigapixel vistas to display properly, even on average-spec systems.

10 giga by definition, okay, good. Add some extra control data to handle
the parsing into the "5-10 individual layers", so as to only serve up
the precision appropriate to the client side computer, okay add some
more control storage. But tripling it or quadrupling it?

--aec

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