Rotating 3-D graphs



On 05/03/2008, Joost Witteveen <joosteto at gmail.com> wrote:
> On 05/03/2008, Dotan Cohen <dotancohen at gmail.com> wrote:
>  > I'm just getting my feet wet with Maxima. How can one rotate and zoom
>  >  a 3-D graph created with Maxima? I'm on Ubuntu 7.04 if it matters,
>  >  with Maxima 5.10.0.
>  >
>  >  Additionally, the 3-D graphs seem to be of a transparent grid, which
>  >  is rather difficult to see. How can that be turned into a sheet,
>  >  coloured as per the height (z-axis value) of the x,y function?
>
> On my ubuntu (7.10, maxima 5.12 I think), maxima draws using gnuplot,
>  and when draw surfaces with gnuplot (plot3d in maxima, splot in
>  gnuplot), I can rotate them using the cursor keys (up/down,
>  left/right) or the mouse.
>
>  The surface with colors I get using (in maxima):
>
>  plot3d(sin(x)*sin(y),[x,0,6],[y,0,6], [gnuplot_preamble, "set pm3d"]);
>
>
>  Is this what you're looking for?
>

Thank you. With the [gnuplot_preamble, "set pm3d"] parameter set, I
see a gridded sheet instead of just the grid, which helps a lot.
However, either with or without, I cannot rotate with the arrow keys.
I tried combining with the Shift, Ctrl, and Alt keys, but that did not
help.

Dotan Cohen

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