Digital BW, The Print

Nij,

An excellent idea and another example of what could be done with the 
histogram in Photoshop that seems like a rather trivial piece of 
programming. Has the histogram always been like this? At what version 
level did it appear and has it evolved at all?

Martin

--- In DigitalBlackandWhiteThePrint@y..., "Nij" <nigel@m...> wrote:
> Or, to make things simple to program...
> Two 256pixel wide windows: Top window shows 8 bit histogram, as you 
move
> mouse over this, or perhaps click on a cursor-key, or whatever, the 
bottom
> histogram could show you the 256 level wide detail of a 
particular 'hi-8-bit
> value'.
> 
> Does that make sense?
> 
> Not quite a zooming / panning / all singing histo, but should be 
relatively
> simple and quick to implement and run. At least... for those 
programs that
> even bother to allocate a whole 256 pixels of screen real-estate to 
what
> they must perceive as a boring histogram ;)
> 
> Nij
> 
> 
> 
> > -----Original Message-----
> > From: Jason DeFontes [mailto:jason@d...]
> > Sent: 27 September 2001 20:23
> > To: DigitalBlackandWhiteThePrint@y...
> > Subject: RE: [Digital BW] Re: Bit depth, was Minolta DiMAGE Scan 
Multi
> > PRO
> >
> >
> > Yeah, I agree. If you represent the histogram as bar graph with a 
1 pixel
> > line for each value then the graph would be many many screens 
wide.
> >
> > That's not the only way to represent the information though. What 
if,
> > instead of the height of a line, you used a gray scale value to 
represent
> > the number of pixels at a given position (white for none, black 
for max
> > count). Then you could represent your histogram as an image, 
giving one
> > pixel of the "histogram image" to each of your 64K values. You
> > could display
> > all that data in a 256x256 pixel square, something you could 
easily see
> > onscreen. Any white pixels in the "histogram image" would be 
the "gaps" in
> > your histogram. I think that would give you a manageable way of 
presenting
> > the data in a format that you could still interpret and get some
> > value from.
> >
> > -Jason
> >
> >