ASU keyboards, again
Carsten Haitzler (The Rasterman)
raster at openmoko.org
Wed Aug 27 16:24:54 CEST 2008
On Wed, 27 Aug 2008 16:00:50 +0200 "Marco Trevisan (Treviño)" <mail at 3v1n0.net>
babbled:
> Carsten Haitzler (The Rasterman) wrote:
> > On Wed, 27 Aug 2008 04:21:10 +0200 "Marco Trevisan (Treviño)"
> > <mail at 3v1n0.net> babbled:
> >> Well I have to say that it doesn't work always as expected... :/ I'm
> >> comparing the prediction of the illume keyboard with the one of the
> >> qtopia keyboard and using the same dictionary (well, in different
> >> formats but it contains in both cases the same 446674 words).
> >> So, using the qtopia keyboard the correction applies always, while with
> >> the illume keyboard the more the word is long and more the
> >> typo-correction fails.
> >
> > how are you using the correction? are you just taking he "most like;y" 1
> > word only - it should list all corrections - the one you want should be
> > there - without frequency information it may not be the most likely match
> > though. it could also be that the with illume the .kbd sets the "fuzz"
> > value - this is the search distance for neighbouring keys. this fuzz value
> > may be too low for your fingers? i really need to know more. also the
> > algorithm for sorting "best match" is commented with FIXME's - it's very
> > simple, so if it gets the correction listed (check the full list by
> > pressing the top-left dictionary icon) then it's finding it - just not
> > sorting it that well. if it is not there
> > - it's likely a fuzz value issue. a user config for multiplying the fuzz
> > value might be good (to increase search space).
>
> Well, generally for small words there's a correction list, but it's not
> always complete and often there are words very different from the one
> I'd like to write, but not that one. So maybe it doesn't search in all
> the dictionary. I could I try that?
> However my fingers are not so great...
> If you want I can send you my dictionaries, so you'll be able to test
> them in a better way.
hmm. is this english? i am wondering if non-ascii chars are messing it up or
not. your dictionary may be useful - i have just been going off my 98,000 or so
entry dict from /usr/share/dict/words which seems to be big enough for me it
seems and has pretty much everything in it... for english anyway. as its used
for spellchecking i kind of assumed it'd be good enough for typing up sms's and
emails :) at least in my tests it is listing all the completions i'd expect it
to. did you sort -f the illume dict? (non-case-sensitive sort)?
> > and is it really the same dictionary? how are you creating the illume and
> > qpe dictionaries?
>
> They're based on an online free dictionary, then while illume uses a
> list of sorted words, qtopia uses the same list converted to dawg using
> qdawgen (I don't studied a lot that format but if I'm not wrong [maybe
> I'm only mixing my ideas about a dictionary file format] it represents
> the words in some threes where the roots are the composed by the letters
> and every node could be both a father and a child. I guess that reduces
> the size of the dictionary [1,9mb vs 6mb] and maybe its analysis).
> However they contain the same words!
illume's dict is 6mb? hmm i guess the raw text there has a lot of redundancy :)
i tried to keep the dictionary simple in illume but am always willing to look
at other ways to improve it. though the keyboard is not really a focus of mine
- it's something along the way so there may come a time when i go "well- you
want it better.. please.. send a patch!"... but its fresh on my plate now, so
it's active :)
> >> Using smaller dictionaries the things improves, but my dictionary isn't
> >> complete yet :o!
> >
> > hmm - if it isnt working well for you i am interesting in fixing it - so i'm
> > probing for info. :)
>
> Nice to ear! :)
>
> Another thing I'd like to suggest you is that imho the backspace/space
> right-left/left-right dragging is too long. If you try writing using
> your thumbs you can notice that is hard deleting a word... Imho they
> should be more sensible.
from illume's TODO file (in svn):
* kbd needs drag for backspace/next word etc. to be shorter
:) already there. :) well - as with accent normalising - there is a marker that
i realise something needs to be done.
--
Carsten Haitzler (The Rasterman) <raster at openmoko.org>
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