regression with draw3d ?



El dom, 26-08-2012 a las 14:11 +0200, Jean-Claude Arbaut escribi?:
> Hello,
> 
> The following works in Maxima 5.27.0.1 on Windows, and fails with Maxima 
> 5.28 (nothing happens).
> 
> load(draw)$
> draw3d(xu_grid = 30, yv_grid = 60, surface_hide = true,
>     parametric_surface(cos(phi) * sin(theta),
>                        sin(phi) * sin(theta),
>                        cos(theta),
>                        theta, 0, %pi, phi, 0, 2 * %pi))$
> 

I have tested this code with Maxima 5.28 on Debian Linux, CLISP, SBCL
and GCL. In all cases, results are as expected.

Seems to be a problem in Windows. Do other draw examples work for you?
No error messages? Was Maxima compiled with GCL as usual?

I don't have a windows system at hand.

--
Mario