Re: Automatic Nikud insertion

Not really, as fontforge is scriptible and VOLT is not. Basically, if
I know how to create a rule in fontforge then I know how to script it.
As I said before, there are lots of rules that can be created
automatically, and to do that I need a scriptable interface.

Dov

On 10/17/06, Jonathan Ben Avraham <[email protected]> wrote:
> Hi Dov,
> Sivan seems to think that VOLT might offer an easier way to do the GSUB
> and GPOS than FontForge, and he is willing to show you how to do the wo=
rk
> in VOLT. Is this an option?
>
>   - yba
>
>
> On Tue, 17 Oct 2006, Dov Grobgeld wrote:
>
> > Date: Tue, 17 Oct 2006 10:41:41 +0200
> > From: Dov Grobgeld <[email protected]>
> > Reply-To: Ivrix Discussions <[email protected]>
> > To: Ivrix Discussions <[email protected]>
> > Subject: Re: Automatic Nikud insertion
> >
> > On 10/17/06, Jonathan Ben Avraham <[email protected]> wrote:
> >> Hi Dov,
> >> This is an excellent start. Of course, it's still a long way from th=
e
> >> quality that we need for OpenOffice.
> >>
> >> 1. The HEBREW POINT DAGESH in the HEBREW LETTER SHIN of =D7=94=D7=A9=
=D7=9E=D7=99=D7=9D is
> >> misplaced.
> >
> > This placement exists in the original FrankRuehl CLM font in the form
> > of a Shin/Dagesh ligature (U+FB49). My program broke apart this
> > ligature and expressed it as anchors instead. But the point here I
> > believe is that there needs to be human interaction.
> >
> >> 2. The HEBREW POINT HOLAM after the HEBREW LETTER HET in =D7=97=D7=A9=
=D7=9A elides
> >> with the HEBREW POINT SHIN DOT above the HEBREW LETTER SHIN.
> >
> > Yes. This has to be solved with a GPOS chained context rule. I still
> > haven't figured out how to define these. I would be very happy if
> > someone can show me.
> >
> >> 3. The HEBREW POINT PATAH under the HEBREW LETTER AYIN in =D7=A2=D7=9C=
 elides with
> >> the HEBREW LETTER AYIN itself.
> >
> > This should be solved by doing a right align box, instead of center.
> > Of course this is font dependant. This might also be better fixed
> > manually.
> >
> >> 4. The HEBREW PUNCTUATION MAQAF (if that's what it is and not a LATI=
N
> >> HYPHEN-MINUS in =D7=A2=D7=9C-=D7=A4=D7=A0=D7=99 is too far from the =
HEBREW LETTER LAMED.
> >
> > It appears that machon mamre uses HYPHEN-MINUS instead of MAQAF. I'll
> > check it out.
> >
> >> In addition  to the above placement problems, the HEBREW POINT HATAF=
 SEGOL
> >> is slightly malformed - the horizontal dots of the segol portion of =
the
> >> HEBREW POINT HATAF SEGOL need to be separated a bit.
> >
> > Glyph definition problem...
> >
> > In summary, I believe that it is necessary to mix between automatic
> > heuristics and manual work. Once you get to chained sub rules,
> > fontforge does not provide any graphics tools for defining them. Also=
,
> > if you look at the font SBL Hebrew, it has hundreds if not thousands
> > of rules. I am convinced that most of these may be added
> > automatically. The idea is to minimize the need for human interaction
> > as much as possible.
> >
> > By programming it is possible to express changes that are a lot of
> > dirty work to program by hand. E.g. in DejaVu the anchors of the Niku=
d
> > are in my opinion to close of to the base character. Of course you ca=
n
> > manually adjust them, but doing it by scripting is much faster. It's
> > the expressive vs visual paradigm all over again. I guess that's why =
I
> > like MetaFont/MetaPost/Asymptote. :-)
> >
> > Regards,
> > Dov
> >
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