Oh sorry, it should be cairo
'output cairo' plot i.10
available in j803
Вс, 19 апр 2015, jprogramming написал(а):
> j802,
>
> I get value error pd_png (or pd_bmp, pd_jpg). in j6 and jhs too. j6 has the
> media addon installed. I don't think is available in j8, but j8 error
> messages still say it requires it (when trying to save to other than bmp).
>
> 'show ; save bmp' plot i.10 NB. or without 'show;' or with 'show; output'
>
> syntax error: qt_bmp
> | ('qt_',type)~(1+#type)}.y
>
>
> ----- Original Message -----
> From: bill lam <[email protected]>
> To: 'Pascal Jasmin' via Programming <[email protected]>
> Cc:
> Sent: Saturday, April 18, 2015 9:55 PM
> Subject: Re: [Jprogramming] an interesting plot toy
>
> see output commands of that webpage, eg
>
> 'output png' plot i.10
>
> Вс, 19 апр 2015, jprogramming написал(а):
> > Bill:
> >
> > I cannot get any of the commands from
> > http://www.jsoftware.com/jwiki/Plot/Commands to produce a file or output to
> > clipboard in j802qt, jhs or j6. When passed to plot command (have not
> > tried pd)
> >
> > David:
> > Some of the more interesting drawings do remind of spirograph in a shakier
> > universe
> >
> > 90 d 15 15 15 190 15 15
> >
> > other classes don't seem to be possible from the spirograph world
> > 90 d 1 1 1 178 1 15
> > and small tweaks bring an inbetween world
> >
> > 90 d 15 15 15 190 15 15 15
> >
> > Maybe a good name for this is spiroturtles
> >
> > Brian:
> > Adverbs have always had this behavioural subtlety. Its very powerful, but
> > also essential to understanding how they will behave within locales. The
> > rule of thumb is if your explicit adverb doesn't refer to x or y and it
> > returns a verb, that verb is tacit
> >
> > + 1 : 'u'
> > +
> >
> > + 1 : 'u y'
> > + (1 : 'u y')
> >
> >
> > The former "parses away" the adverb. The latter returns an expression that
> > will be parsed by the caller, and so any names referred in the adverb
> > definition need to exist in caller's locale (likely to crash as its not a
> > normally intended pattern). But if you don't refer to y, your adverb can
> > refer to names in the locale it is defined in.
> >
> > There is also an efficiency advantage to parsing to a tacit verb, as the
> > resulting expression can be applied at low ranks without any reparsing.
> >
> >
> > ----- Original Message -----
> > From: Brian Schott <[email protected]>
> > To: Programming forum <[email protected]>
> > Cc:
> > Sent: Saturday, April 18, 2015 7:39 PM
> > Subject: Re: [Jprogramming] an interesting plot toy
> >
> > Pascal,
> >
> > I have been following this thread with some interest, but until just now I
> > missed your comment that the derivation of the adverb `points` "creates a
> > tacit verb:". I have never noticed such before, but I have confirmed that
> > the resulting verb is tacit. My question to all is since when did J start
> > doing that? I am just wondering how long I have been unaware, but don't
> > need an exact answer.
> >
> > Thanks,
> >
> >
> > On Sat, Apr 18, 2015 at 11:10 AM, 'Pascal Jasmin' via Programming <
> > [email protected]> wrote:
> >
> > > clever stuff thanks,
> > >
> > > here is an adverb form for the clock precision function. m is the number
> > > of points on the clock up to 90 degrees. The input is structured that way
> > > so that the requirement that it be a multiple of 4 is removed.
> > >
> > >
> > >
> > > points =: 1 : '((4*m)|[+{:@]) ,~ (2&{.)@] + (3 : ''|:(,:y|.])(,-)}:y-|i:
> > > y'' m) {~ (4*m)|[+{:@]'
> > >
> > > creates a tacit verb:
> > >
> > > 1 points
> > > (4 | [ + {:@]) ,~ 2&{.@] + (4 2$0 1 1 0 0 _1 _1 0) {~ 4 | [ + {:@]
> > >
> > >
> > > --
> > (B=)
> > ----------------------------------------------------------------------
> > 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,
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