Thanx you very much Mark!!! What type of video card I'll need to display 1024 gray of shades? Do you've any idea? thanx again, Charly. --- Mark Vojkovich <mvojkovi@xxxxxxxxxxx> wrote: > On Tue, 25 May 2004, Charly Vidal wrote: > > > Hi, guys; I'm from BA, Argentine. > > > > I'm working on medical aplication. > > > > Has anyone any idea about how can I output and > image > > with 1024 gray of shades? > > You can't. > > > > > I don't kown how to "create" a LUT with 10-bit . > The > > type of file is DPX. > > Quadro has a 10 bit DAC in the sense that it can > display > 8 bit per component data by passing it through a 256 > element > lookup table that has 10 bit per component values in > it. > That is, map 8 bits to 10. This is really only > useful for > doing gamma correction. If you only had an 8 to 8 > mapping > as soon as you changed the gamma from 1.0 you'd get > duplicate > entries. Only NVIDIA's binary driver support the 10 > significant > bits per map entry. This does not let you display > more than > 256 greys. It merely lets you tune 256 greys to a > finer > resolution. > > > Mark. > > > _______________________________________________ > XFree86 mailing list > XFree86@xxxxxxxxxxx > http://XFree86.Org/mailman/listinfo/xfree86 __________________________________ Do you Yahoo!? Friends. Fun. Try the all-new Yahoo! Messenger. http://messenger.yahoo.com/ _______________________________________________ XFree86 mailing list XFree86@xxxxxxxxxxx http://XFree86.Org/mailman/listinfo/xfree86
