[chimera-dev] Re: working at home

[Tom Ferrin]

Greg,
Which of the mid-to-high end graphics cards support hardware
multisampling/supersampling?

--tom


--------
> I have already had extensive talks with Tom Goddard about why the jaggies
> are there and there is alreadys an entry in the gnats database.
> Normally, I try to not burden the email list with these details and keep
> them in the gnats database, but to summerize:
> 
> Without hardware multisampling/supersampling (which chimera uses if it is
> available), you'll always have jaggies for cylinders, spheres, and
> surfaces.  It is just more noticable if you have a white background
> because of how the primitives are shaded (dark on the sides).  The
> solution for printing, is to supersample, that is to generate an image
> that is 16 times larger and average 16 pixels into one (9x might be
> sufficient).  Regular grid supersampling will work for molecular modeling
> images (instead of the jittered sampling that ribbonjr uses) because there
> are extremely few right angles (so there is almost no chance that the
> "picket fence" effect of primitives appearing and disappearing from one
> frame to the next).
> 
> 	Greg
> 
> On Wed, 14 May 2003, Tom Ferrin wrote:
> 
> > Okay, but please respond to Tom Goddard's email (w/ cc to chimera-dev)
> > about jaggies in Chimera images.
> >
> > --tom
> >
> >
> > --------
> > > Forgot I had a dentist appointment today.  First in many, many years.
> > > Marriage is a good thing.
> > >
> > > 	Greg
> >