Re: [Gnuplot-info] kdensity plot not filled with filledcurves y=0

[Grothausmann, R. Dr. <gro...@mh...>]

On 01/07/16 19:10, Ethan Merritt wrote:
> I do not know why the filledcurves style is failing in conjunction with
> smoothing, but a work-around is to plot  first to a datablock and then plot
> the smoothed curve in a separate step:
>
> set table $SMOOTHED
> plot $original_data using col:(weight) smooth kdensity bandwidth sigma
> unset table
> plot $SMOOTHED using 1:2 with filledcurves y=0

Many thanks Ethan for the quick reply and the work-around. I got it working 
(https://github.com/romangrothausmann/gnuplot/blob/5f513bf1cf81c1709ff450e2830c8c59b76d2c80/hist-ar%2Bkd.gp) 

but the resulting plot of the "filled table" is kind of "ragged" when saved to 
SVG. See attached compressed SVG for the test data created with:
gnuplot -e "datafile='test.dat'; outfile='test.svg'; bin=10; sigma=3.5; xmin=0; 
xmax=180; col=1; sep=','; xlabel='test'" hist-ar+kd.gp

Any idea how to avoid this raggedness?

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-- 
Dr. Roman Grothausmann

Tomographie und Digitale Bildverarbeitung
Tomography and Digital Image Analysis

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