I got it, this worked, sorry.
JC
var('s,t')
def x(t) :
return cos(t)*(1-cos(t))
def y(t) :
return sin(t)*(1-cos(t))
def cf(s,t): return sin(s+t/3)**2
Surf = parametric_plot3d([(x(t)+x(s))/2, (y(t)+y(s))/2, sqrt((x(t)-x(s))^2
+ (y(t)-y(s))^2)], (t,0,2*pi),(s,0,2*pi), adaptive = True,
color=(cf,colormaps.Blues) , opacity=0.7, mesh = 0.7)
show(Surf)
El miércoles, 3 de mayo de 2017, 12:48:43 (UTC-4), Juan Carlos Bustamante
escribió:
>
> Thanks for that (old) update.
>
> The parametric_plot3d(..) version does not work, though. Am I missing
> something?
>
> JC
>
>
> On 09/18/2016 03:06 PM, William Stein wrote:
> > On Fri, Sep 16, 2016 at 10:23 AM, William Stein <[email protected]>
> wrote:
> >> On Fri, Sep 16, 2016 at 9:49 AM, Juan Carlos Bustamante
> >> <[email protected]> wrote:
> >>> I see. Is there anything I could do? How complex is the "review
> proces", I
> >>> knot not much about this kind of things, but if this is simple, I
> would be
> >>> pleased to do something.
> >> I will very likely review this today...
> > Now live. Refresh your browser and restart your project. Example
> worksheet:
> >
> >
> https://cloud.sagemath.com/projects/4a5f0542-5873-4eed-a85c-a18c706e8bcd/files/support/2016-09-18-120242-colormap.sagews
>
> >
> > Thanks again to fchapoton !
> >
> >
>
>
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