Which java do you have installed? The default with Ubuntu is
IcedTea. Last time I checked this was working with the patch, but
that could be the problem. Jmol (the 3D application that is launched)
is only verified against the Oracle/Sun JavaVM. If you are using
IceTea try switching to the Oracle/Sun release.
I just destroyed my Ubuntu VM so can't check this right now.
Jonathan
On May 20, 5:15 pm, RegB <2regburg...@earthlink.net> wrote:
> From the fact that plot3d worked previously from the terminal and that
> 2d plots still work from the terminal with UBUNTU 11.04
> I think we are still on track, i.e. in my case it is plot3d specific
> and fails whether called from a terminal or a notebook.
>
> On May 19, 5:46 pm, Kelvin Li <ltwis...@gmail.com> wrote:
>
>
>
>
>
>
>
> > Please excuse me for pulling the subject of this discussion back to
> > what I think the original post meant...
>
> > On May 19, 2:47 am, Ari <garon.ari...@gmail.com> wrote:
> > ...
>
> > > I am working with sage
> > > from the terminal and whenever I use the function plot3d, nothing
> > > happens.
> > ...
> > > Ari
>
> > As far as I know, the usual "jmol" and "canvas3d" rendering engines
> > will not work from the command line. But, you can save your plot as a
> > PNG, as rendered by Tachyon:
>
> > sage: var('x y')
> > (x, y)
> > sage: plot3d(x^2 + y^2, (x, -1, 1), (y, -1, 1)).save("test.png")
>
> > The above example will save "test.png" to your current working
> > directory.
>
> > As an aside, you can also export your 3d object in various formats.
> > One example is the "obj" method, whose output can be viewed in Blender
> > (www.blender.org).
>
> > sage: var('x y')
> > sage: a = plot3d(x^2 + y^2, (x, -1, 1), (y, -1, 1))
> > sage: f = open("dump.obj", "w")
> > sage: f.write(a.obj())
> > sage: f.close()
>
> > After downloading and installing Blender (which is very easy to do),
> > do "File > Import > Wavefront (.obj)" and select the file "dump.obj".
>
> > -- Kelvin
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