The steps are:
sage -n=sagenb
Then in the notebook make a cell:
var('u, v')
parametric_plot3d([u^2 - v^2, u, v], (u, -2, 2), (v, -2, 2))
Evaluate the cell. The result is a 3D-image which looks as it should be.
Click at the image. The image disappear and you see a configuration of
small little red balls.
You can rotate the configuration and do everything you normally could do
with the 3D-image of surface, but now there is no surface, you see only
this configuration.
El martes, 15 de octubre de 2019, 6:16:34 (UTC-5), Dima Pasechnik escribió:
>
> Could you please post concrete steps to reproduce the problem?
>
> On Tue, Oct 15, 2019 at 11:09 AM Mikhail Malakhaltsev <mik...@gmail.com
> <javascript:>> wrote:
> >
> > I have the same problem with notebook in Sage 8.9, browsers Vivaldi,
> GoogleChrome, sage built on opensuse Leap 15.0.
> >
> > El lunes, 14 de octubre de 2019, 7:49:22 (UTC-5), João Palhoto Matos
> escribió:
> >>
> >> I have found that activating a 3d jsmol animation in a sage 3.9
> notebook is broken. Although initial preview is correct activating the
> animation leads to a graphic showing several small spheres (molecules?!).
> Reverting to version 3.8 everything works. I build sage on Linux Mint 19.2.
> >
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