Digital BW, The Print

--- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Anthony 
Atkielski" <anthony@a...> wrote:
> Austin writes:
> 
> > I do understand EXACTLY what you are saying, AND
> > I simply disagree with it.
> 
> So how would you reconstruct a continuous, irregular curve of 
spectral
> energy distribution from just three data points?
> 
> It's possible if the curve is a portion of, say, an ellipse.  But 
the real
> world curves aren't, so you cannot reconstruct them from three data 
points.
> And because of this, you cannot use RGB values to reconstruct the
> information you would need to accurate simulate the spectral 
response of any
> arbitrary monochrome or RGB sensor or film.  The required 
information just
> isn't there, period.


But the lack of that precision may not have any practical effect.  
The reason why you need to provide empirical evidence is that you 
need to show that what you're talking about has any relevance in the 
real world.