Polar axes

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Polar axes

David Arnold-2
All,

Does Octave have a polar grid, much as that provided by Matlab's  
polar command?

D.
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Re: Polar axes

Thomas Weber-8
Am Sonntag, den 31.08.2008, 22:38 -0700 schrieb David Arnold:
> All,
>
> Does Octave have a polar grid, much as that provided by Matlab's  
> polar command?

octave:1> help polar
 -- Function File:  polar (THETA, RHO, FMT)
     Make a two-dimensional plot given the polar coordinates THETA and
     RHO.

     The optional third argument specifies the line type.

     See also: plot.

/usr/share/octave/3.0.1/m/plot/polar.m

Regards
        Thomas

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Re: Polar axes

David Arnold-2
I was referring to axes grid, as in:





On Sep 1, 2008, at 12:03 AM, Thomas Weber wrote:

> Am Sonntag, den 31.08.2008, 22:38 -0700 schrieb David Arnold:
>> All,
>>
>> Does Octave have a polar grid, much as that provided by Matlab's
>> polar command?
>
> octave:1> help polar
>  -- Function File:  polar (THETA, RHO, FMT)
>      Make a two-dimensional plot given the polar coordinates THETA and
>      RHO.
>
>      The optional third argument specifies the line type.
>
>      See also: plot.
>
> /usr/share/octave/3.0.1/m/plot/polar.m
>
> Regards
> Thomas
>

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Re: Polar axes

Michael Goffioul
On Mon, Sep 1, 2008 at 9:21 AM, David Arnold <[hidden email]> wrote:
> I was referring to axes grid, as in:

No, there's no support for such grid. However you could build
it manually using patch, line and text objects (and turning the
axes to invisible). This is basically what Matlab does.

Michael.


>
>
>
>
>
> On Sep 1, 2008, at 12:03 AM, Thomas Weber wrote:
>
>> Am Sonntag, den 31.08.2008, 22:38 -0700 schrieb David Arnold:
>>>
>>> All,
>>>
>>> Does Octave have a polar grid, much as that provided by Matlab's
>>> polar command?
>>
>> octave:1> help polar
>>  -- Function File:  polar (THETA, RHO, FMT)
>>     Make a two-dimensional plot given the polar coordinates THETA and
>>     RHO.
>>
>>     The optional third argument specifies the line type.
>>
>>     See also: plot.
>>
>> /usr/share/octave/3.0.1/m/plot/polar.m
>>
>> Regards
>>        Thomas
>>
>
>
> _______________________________________________
> Help-octave mailing list
> [hidden email]
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>
>
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Re: Polar axes

Stefan Mueller-4
In reply to this post by David Arnold-2
Hi,

there is a toolkit for octave (octave-epstk)
to plot polar plots !

For example:

x=0:0.01:2*pi;
y=sin(x).*cos(2*x).*sin(3*x);

eopen('polarplot.eps')
epolar(x,y);
eclose
eview



Regards

   Stefan
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