My gosh!
If I had known there would be so much encouraging response, I would
have written two years ago, when my cataracts first started to become
a real pain in the neck!
Thanks Krysztof, George (and others who wrote in reply):
After receiving your replies I looked at the man page of xpdf
(I didn't know about this viwer! Am I ignorant!!) and found it has a --colourmap
option. I'll write to the author for a detailed explanation or "quick
fix" for purely text-based files; would it be appropriate to post the
result (if positive) on this list?
In any case, I'd love to see what happens to Krysztof's
idea of "beer-on-hand topic for the EuroBachoTeX 2002
> conference, especially while having a bone-fire"; pity I cannot
attend myself to sample the beer!
Thanks folks.
Kalyan
Krzysztof Leszczynski writes:
> On Thu, Mar 28, 2002 at 12:46:07PM +0100, Martin Schroeder wrote:
> > On 2002-03-28 10:07:59 +0530, Kalyan Mukherjea wrote:
> > > TeX document from him/her but it would be preferable if there were a
> > > switch in the ps or pdf viewers which would simply interchange ffffff
> > > (white) pixels for (000000) black pixels. Is this a stupid/impossible
> > > suggestion from a technology-ignorant person or is something available
> > > for this purpose?
> >
> > At least GhostScript and xpdf have no such switch. It should be
> > simple to implement; please contact the respective authors.
> >
>
> I had a long talk with Piotr Pianowski (the author of psview) and
> he was talking with Piotr Strzelczyk and we've (in an independent
> way) come to similar conclusions. The problem __looks__ simple
> but it's certainly not.
>
> For instance, what should one do with illustrations? Should they
> be negativated too? Perhaps... Now if the illustration is a text-based
> eps or a simple graphic it probably looks best if presented in negative,
> but if it's a bitmapped-full-coloured picture it _probably_ should be left
> intact.
>
> Now, the implementation also isn't as simple as it looks, even
> using the wonderful Ghostscript interpreter. If you plan to convert
> the PDF to be still acrobat-friendly the problem are even worse
>
> This looks like a good beer-on-hand topic for the EuroBachoTeX 2002
> conference, especially while having a bone-fire. Perhaps there
> should be an easy solution for 90% of postscript files living somewhere
> in the wild and 95% of simple ones, produced by text-only TeX and dvips..
>
> Happy Easter everybody
>
> --
> Krzysio Leszczynski
>
