Gilles Detillieux wrote:
> There's still a bit more work to be done. Patrick mentioned that
> pdftotext changed hyphens to spaces.
I don't think I ever said that. I mentioned that GhostScript's ps2ascii which takes
pdf as input whenever it feels like it, translates hyphens (-) into spaces. Xpdf's
pdftotext leaves the hyphens in, just as they are in the pdf. This may hinder the
results of a search, but at least it's consistent.
> (Which raises the question: "why can't an external
> parser just pass plain text or HTML to htdig for further parsing?")
Very good question. By intuition, I thought this was the way it should work. This
way, it would be easier to configure, without having to get into any programming
adjustments.
> Some users may also want to extract the titles from their PDFs, as
> Sylvain's code did.
The "title" field located in a pdf is not as meaningful as one would like. As far as
I know, there is no consistent way to extract the real title of a document. How does
Adobe expect people to be able to index large numbers of PDF's?
> Anyway, here's Derek's fix for my concatenation problem:
>
> --- xpdf/TextOutputDev.cc.deltax Fri Nov 27 21:42:16 1998
> +++ xpdf/TextOutputDev.cc Thu Feb 25 09:55:28 1999
> @@ -217,6 +217,7 @@ void TextPage::addChar(GfxState *state,
> double x1, y1, w1, h1;
>
> state->transform(x, y, &x1, &y1);
> + dx -= state->getCharSpace();
> state->transformDelta(dx, dy, &w1, &h1);
> curStr->addChar(state, x1, y1, w1, h1, c, useASCII7);
> }
This patch worked! I tested it on the the "profile_rob_98.txt" and the output was
much better. Kuddos to Derek!
Thanks to Gilles for getting in touch.
Pat :)
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