This error is not GUI related. Debug using pdf output or jconsole
could workaround the popup error message box infinite loop.
Вт, 05 май 2015, bill lam написал(а):
> I tested the same length error also raised in j602. Were opts
> malformed?
>
> Пн, 04 май 2015, Raul Miller написал(а):
> > Eh?
> >
> > I do not knowe much about plot, but a trivial solution to this "error
> > in paint handler" problem would be:
> > 13!:0]1
> >
> > This will stop execution when the error happens.
> >
> > It's not ideal, and you have to click on the plot window before you
> > click on the J window or J crashes -- that's a bug that's rather
> > nasty.
> >
> > Or maybe I was just lucky, and should post some debugging information here:
> >
> > 13!:0]1
> >
> > load 'plot'
> > opts =: 'xlabel myxlabel; ylabel myylabel'
> > opts plot ;/~ i.10
> >
> > |length error: qttext
> > | p=.p -"1 off,.0
> > |qttext[15]
> > 13!:1''
> > |length error
> > * p=.p -"1 off,.0
> > |qttext[3]
> > | (>d_index{fns)~d
> > |qt_paintit[14]
> > | qt_paintit 0 0,Cw,Ch
> > |qt_paint[3]
> > |ppaint[0]
> > |plot_gs_paint[0]
> > | wd_fn~''
> > |wdhandler_jwplot_[7]
> > | (i.0 0)"_ wdhandler_jwplot_$0
> > qttext
> > 3 : 0
> >
> > 't f a e c p'=. y
> >
> > degree0=. 3{f
> > f=. qtfontdesc^:(0={.0#f) f
> > p=. qt_gpflip p
> > t=. text2utf8 each boxopen t
> > if. a do.
> > glfontextent`glc_fontextent_jglc_@.(Poutput=iQTC) f
> > off=. <. -: a * {."1 wh=. glqextent`glc_qextent_jglc_@.(Poutput=iQTC) &> t
> > if. (90=degree0)+.(1 e. 'angle900' E. f) do.
> > p=. p + "1 [ (0.2*{:wh),.off
> > elseif. (270=degree0)+.(1 e. 'angle2700' E. f) do.
> > p=. p - "1 [ (0.2*{:wh),.off
> > elseif. do.
> > p=. p -"1 off,. 0
> > end.
> > end.
> > 'face size style degree'=. parseFontSpec f
> > qt_gpbuf qt_gpcount 2312,(<.size*10),style,(<.degree0*10),alfndx,face
> > if. is1color e do.
> > qt_gpbuf 5 2032,(,e),2 2040
> > if. rank01 p do.
> > qt_gpbuf qt_gpcount 2056,p
> > qt_gpbuf qt_gpcount 2038,alfndx,>t
> > else.
> > t=. qt_gpcount each 2038 ,each alfndx each t
> > t=. (<"1 qt_gpcount 2056 ,"1 p) ,each t
> > qt_gpbuf ; t
> > end.
> > else.
> > t=. qt_gpcount each 2038 ,each alfndx each t
> > t=. t ,each <"1 qt_gpcount 2056 ,"1 p
> > t=. (<"1 (5 2032 ,"1 e) ,"1 [ 2 2040) ,each t
> > qt_gpbuf ; t
> > end.
> >
> > )
> > y
> > ┌──────────┬─────────┬─┬─────┬─┬──────────┐
> > │┌────────┐│0 0 9 0 0│1│0 0 0│0│ 76 23│
> > ││myxlabel││ │ │ │ │115.889 23│
> > │└────────┘│ │ │ │ │155.778 23│
> > │ │ │ │ │ │195.667 23│
> > │ │ │ │ │ │235.556 23│
> > │ │ │ │ │ │275.444 23│
> > │ │ │ │ │ │315.333 23│
> > │ │ │ │ │ │355.222 23│
> > │ │ │ │ │ │395.111 23│
> > │ │ │ │ │ │ 435 23│
> > └──────────┴─────────┴─┴─────┴─┴──────────┘
> >
> > Anyways, it seems to me that one of the listed routines from that
> > 13!:1 stack trace needs to deal with this issue. If nothing else, wrap
> > plot's paint event handler in a try/catch such that an error shuts
> > down further paint events (perhaps by closing the plot window).
> >
> > --
> > Raul
> >
> > On Mon, May 4, 2015 at 5:18 AM, bill lam <[email protected]> wrote:
> > > IIRC the plot issue had been reported here but there were no fool
> > > proofed solution.
> > >
> > > On Mon, May 4, 2015 at 4:19 PM, Jan-Pieter Jacobs
> > > <[email protected]> wrote:
> > >> Hi everyone,
> > >>
> > >> I found some bugs I'd want to inform about:
> > >> * Infinite popups in plot
> > >> * comments syntax highlighting broken
> > >> * Tabula add-on broken
> > >> * Labs break each other.
> > >>
> > >> I just found another instance of an error which keeps popping up
> > >> infinitely when using plot.
> > >> A try to debug the error with the JQt debugger ended in a crash.
> > >>
> > >> A minimal example exhibiting this behavior is:
> > >>
> > >> load 'plot'
> > >> opts =: 'xlabel myxlabel; ylabel myylabel'
> > >> opts plot ;/~ i.10
> > >>
> > >> Probably it is me doing something wrong, but as this makes me forcibly
> > >> shut down J every time I hit this error, it's pretty annoying to hunt
> > >> down my error.
> > >> ------------------------
> > >> Another thing I discovered when toying around was that syntax
> > >> highlighting is slightly broken for comments in these cases:
> > >>
> > >> * a comment contains 0 : 0 : the entire comment (and following code
> > >> till the next lone opening parenthesis) is regarded as a long string
> > >> literal, and marked up as such.
> > >> * if a word (probably any valid identifier) is directly followed by an
> > >> opening brace (even in comments) it's highlighted as a string. I guess
> > >> this is supposed to indicate functions in traditionally mathematical
> > >> notation like f(x), but it should not happen in comments.
> > >> ------------------------
> > >> Further, I've found the "math/tabula" add-on to be utterly broken, in
> > >> that clicking any of the buttons pops up the error:
> > >>
> > >> error in: tab_g_mbldown
> > >>
> > >> domain error: chkgl2
> > >> glpixels X,Y,32,32,,convicon y
> > >> ------------------------
> > >> Running through the labs in order they show up gave me some problems:
> > >>
> > >> 0) Book of numbers: (4) 12 of 23 : domain error: on
> > >> 1) CAL : 3 of 11 : z =:tabengine 'CTAB' : length error SP1: n (x,.SP)
> > >> ,. y
> > >>
> > >> After doing a "clear '' " both worked fine. So I assume that these were
> > >> due to
> > >> 0) other labs overwriting "standard" words (like "on") with something
> > >> else
> > >> 1) labs not verifying what they use is what they expect it to be.
> > >>
> > >> Maybe it would not be a bad idea to run labs in a private locale,
> > >> which is initialized in a certain way? This way these conflicts (and
> > >> conflicts with user defined things) might be avoided.
> > >>
> > >> Best regards,
> > >>
> > >> Jan-Pieter
> > >> ----------------------------------------------------------------------
> > >> For information about J forums see http://www.jsoftware.com/forums.htm
> > > ----------------------------------------------------------------------
> > > For information about J forums see http://www.jsoftware.com/forums.htm
> > ----------------------------------------------------------------------
> > For information about J forums see http://www.jsoftware.com/forums.htm
>
> --
> regards,
> ====================================================
> GPG key 1024D/4434BAB3 2008-08-24
> gpg --keyserver subkeys.pgp.net --recv-keys 4434BAB3
> gpg --keyserver subkeys.pgp.net --armor --export 4434BAB3
--
regards,
====================================================
GPG key 1024D/4434BAB3 2008-08-24
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