Re: graphics

[luigi scarso <luigi.scarso@gmail.com>]

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On Fri, Dec 7, 2018 at 9:06 AM Mikael P. Sundqvist <mickep@gmail.com> wrote:

> On Tue, Dec 4, 2018 at 6:03 PM Hans Hagen <j.hagen@xs4all.nl> wrote:
> >
> > Hi,
> >
> > As most mechanism are reasonable okay now we can look into what future
> > versions of ConteXt should provide in terms of functionality. The
> > (luatex) engine is also more of less finished or at least stable in
> > terms of functionality.
> >
> > One possible area of further development is graphics so I'd like to know
> > if there are (reasonable) demands for more graphics support using
> > metapost. Alan and I are on-and-off working on some extensions and one
> > of the things we discuss is visualization of data. The question is of
> > course what should be done in the lua/mp/tex combination and what
> > externally but the combination has some advantages. There has been
> > presentations and discussions at the last meeting and graphics is always
> > a nice topic, and also kind of rewarding in terms of development.
> >
> > Of course other demands can be formulated too, but these then need to
> > come with well defined descriptions (or mockup examples).
> >
> > Hans
> >
> > -----------------------------------------------------------------
> >                                            Hans Hagen | PRAGMA ADE
> >                Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
> >         tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
> > -----------------------------------------------------------------
> >
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> ___________________________________________________________________________________
>
> Hi,
>
> I don't know if what I describe below is along the lines you ask for,
> but here comes two wishes:
>
> 1) Full support for drawing implicit curve plots. For some curves,
> like a lemniscate
> (https://en.wikipedia.org/wiki/Lemniscate_of_Bernoulli) one can easily
> succeed by using a parametrisation, but sometimes one end up with
> equations and to find a parametrisation might be difficult (not to say
> impossible).

sure, see  eg
https://math.stackexchange.com/questions/904782/is-there-a-general-way-to-parameterize-all-implicit-functions


-- 
luigi

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