On Sep 27, 10:48 pm, Marshall Hampton <hampto...@gmail.com> wrote:
> I don't think there is such a thing in Sage right now, but its not
> hard to make something like that. For example:
>
> def pline(rt_list):
> '''
> Returns line segments passing through the given list of points
> in polar coordinates.
> '''
> cart_list = [[x[0]*cos(x[1]),x[0]*sin(x[1])] for x in rt_list]
> return line(cart_list)
>
> I'm not sure what a good name for that would be, "pline" is pretty
> bad.
>
Mathematica has something like this, or at least to plot polar points,
called ListPolarPlot. Something similar and with line support would
not be difficult, I think Marshall is right.
We are tracking this request here:
http://trac.sagemath.org/sage_trac/ticket/7050
- kcrisman
> wrote:
>
>
>
> > I forgot to mention that in polar coordinates, it would be something
> > like line([(0.9,theta), (1.1, theta)]) which is more convenient.
> > Alexandre Blondin Massé
>
> > On 27 sep, 18:02, ablondin <alexandre.blondin.ma...@gmail.com> wrote:
>
> > > Hello everybody,
> > > I think I'm not looking correctly, but is there any way to use the
> > > circle, line, polygon functions to draw 2d graphics using polar
> > > coordinates ? I would like to draw things on the unit circle and if it
> > > possible, to avoid writing line([(0.9*cos(theta), 0.9*sin(theta),
> > > (1.1*cos(theta), 1.1*sin(theta)]) to draw a small segment on the
> > > circle at angle theta.
> > > Thanks for you help !
> > > Alexandre Blondin Massé
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