Re: [Gnuplot-info] polar plot

[Clement L. <the...@gm...>]

This isn't exactly what you're looking for but it may be helpful:
http://gnuplot-tricks.blogspot.co.uk/2010/02/parametric-plot-from-file-ii.html

On 17 April 2013 02:16, Ethan Merritt <eam...@gm...> wrote:
> On Tue, Apr 16, 2013 at 5:21 AM, Oberwittler, Dietrich
> <d.o...@mp...> wrote:
>> Hi,
>>
>> I didn't succeed to produce a polar plot which should ideally look like
>> these (Python): http://scienceoss.com/categories/python/matplotlib/ .
>> Basically, it is a bar chart  turned into a circular polar plot.
>
> I think the closest plotting style in gnuplot is to plot with impulses.
> See for example the final plot in
>    http://gnuplot.sourceforge.net/demo/poldat.html
>
> There is a rather ugly hack that could produce plots more similar
> in appearance to the example you gave.  Here is a proof of principle:
>
> set polar
> set grid polar
> set border 0
> set view equal xy
> set size square
> unset xtics
> unset ytics
> unset key
> set rrange [.1:10]
> set rtics axis scale 0.5,0 nomirror rotate by -270  offset 0, 0.7
> set rtics (2,4,6,8)
> set multiplot
>   plot [.5:.7] 2 with filledcurves r=1
>   plot [.9:1.1] 3 with filledcurves r=1
>   plot [1.4:2.1] 4 with filledcurves r=.1
>   plot [1.8:3.0] 3 with filledcurves r=2 lc rgb "gold"
> unset multiplot
>
>
>
>>
>> A basic example for the histogram would be:
>>
>> *********************************
>> reset
>> set xlabel "category"
>> set ylabel "value"
>> set grid
>> set xrange [0:7]
>> set yrange [0:10]
>> set style data boxes
>> set style fill solid 1.0
>> set boxwidth 0.95 relative
>> plot "temp1.dat" u 1:2 w boxes
>> **********************************
>>
>> where the data temp1.dat is:
>> ==================================
>> 1 7.5
>> 2 5.8
>> 3 7.9
>> 4 4.2
>> 5 5.0
>> 6 7.7
>> =================================
>>
>> I asked this question before but didn't get an answer. I would be very
>> happy about any hints!
>>
>> Dietrich
>>
>>
>>
>> --
>>
>>
>> Priv.-Doz. Dr. phil. Dietrich Oberwittler
>>
>> Max-Planck-Institut für ausländisches und internationales Strafrecht - Abteilung Kriminologie
>>
>> Max Planck Institute for Foreign and International Criminal Law - Department of Criminology
>>
>> Guenterstalstrasse 73, D-79100 Freiburg i.Br. (Germany)
>> Tel. ++49 761 7081 219, Fax ++49 761 7081 294
>> institute: http://www.mpicc.de/  personal: http://www.mpicc.de/ww/de/pub/home/oberwittler.htm
>>
>>
>>
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