[rescue] Re: SGI Onyx4 - uses ATI graphics chips (sigh)

[Joshua D. Boyd]

On Fri, Aug 22, 2003 at 01:12:07PM -0400, Kevin Loch wrote:

> Why don't they just use floating point calculations, and output
> to 24 or 32 bit color?  For that matter, why isnt' there a
> floating point still image standard?

There are several floating point image formats.  The most common would
be TIFFs.  A lot of work is done in a logrithmic format though.  This
will save disk space (30 bits per pixel instead of 96 for 10bit log
versus 32bit float), and is often sufficient.