Re: plot polar coordinates octave-epstk??

[Marco atzeri]

On 9/19/2011 1:18 PM, Uwe Brauer wrote:
> Hello
>
>
> The following code
> tetha=linspace(-pi,pi,100)
> r=2-4*cos(tetha)
> polar(tetha,r)
>
>
> Produces  produces in matlab a figure which I have attached.
>
> In octave the curve is the same but axis are cartesian ones.
>
> I have found in google that maybe epstk should help (BTW I
> installed octave 3.4.2 from scratch on (K)ubuntu and this
> package was not included). In any case the following example
>
> x=0:0.01:2*pi;
> y=sin(x).*cos(2*x).*sin(3*x);
>
> eopen('polarplot.eps')
> epolar(x,y);
> eclose
> eview
> indeed produced the axis I was looking for, but when I tried
> to apply it to my example which I modified like that
> tetha=linspace(-pi,pi,100)
> r=2-4*cos(tetha)
> eopen('polarplot2.eps')
> epolar(tetha,r)
> eclose
> eview
>
> Then no graphics was generated. What to I miss?
>
> Thanks
>
> Uwe Brauer

ask the author

http://www.epstk.de/
http://epstk22.awardspace.com/doc/files/introduction-txt.html

as EpsTk is not part of octave

Regards
Marco