On Tue, 23 Mar 2021, Ralf Hemmecke wrote:
Or send stuff to plot to gnuplot (that's what Maxima does)
Would be an idea, but the original AXIOM developers obviously had some
interaction (dynamic graphic) in mind. Not sure whether that would work
with gnuplot. Don't ask more opinion from me. I'm not in the graphics
world and haven't any need for graphics currently. If you know someone
who is able to work on the FriCAS graphics system, then send him/her to
us. Ideas and code are welcome.
A few years ago my student tried to use geomview as a 3D backend instead
of the standard fricas 3D viewer. geomview (http://www.geomview.org/) is
very interactive: it can show several 3D objects (various kinds of plots),
you can rotate, translate, zoom etc. each of them, or all together, or
some subsets of objects. Objects are described in a lisp-like language;
these descriptions were generated by draw and sent to geomview via pipes.
He had some semi-working prototype; unfortunately, he has got his bachelor
degree and left. I'm not sure if I still have his code somewhere.
If we want an interactive 3D graphics backend, geomview is very good at
it. Unfortunately, its development seems to stop. The last release, 1.9.5,
is from 2014. It still works nicely. It uses motif, not a very fasionable
toolkit, but motif is now free and can be easily installed.
Just an idea.
Andrey
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