I'm not sure if any mainstream consumer cards support this. For medical imaging people often use specialized cards. There were some 3D labs cards at one point that supported 30 bit color (10:10:10). I don't know if they make any that still do or if they have Linux support for them. Mark. On Tue, 25 May 2004, Charly Vidal wrote: > 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 > _______________________________________________ XFree86 mailing list XFree86@xxxxxxxxxxx http://XFree86.Org/mailman/listinfo/xfree86
