I departed from data points and generated densitys plots using gnuplot.
I could well see the picture in the screen. However when I generate the
eps file it happens that where I have constant density there are extra
crossing "lines" in the generated eps file. Why is this happenning?
|| Arnaldo Gammal ||
|| Departamento de Fisica Experimental ||
|| Instituto de Fisica ||
|| Universidade de Sao Paulo ||
|| P.O. Box 66318 ||
|| 05315-970 Sao Paulo, SP BRAZIL ||
|| Phone: +55 11 3091-6659 / 3091-6919 ||
|| Fax: +55 11 3091-6832 ||
|| e-mail: gammal@... ||
|| http://www.fep.if.usp.br/~gammal ||
Arnaldo Gammal wrote:
> Dear Sirs,
> I departed from data points and generated densitys plots using gnuplot.
How exactly did you generate them, using which version of gnuplot?
> I could well see the picture in the screen. However when I generate the
> eps file it happens that where I have constant density there are extra
> crossing "lines" in the generated eps file. Why is this happenning?
I'll venture a guess: the lines will go away once you turn off
antialiasing ('graphics alpha' in the "Media" settings) in your
GhostScript viewer. There's a known problem with the interaction of
some versions of gnuplot, some versions of ghostscript and their
antialiasing. This usually shows up as strange patterns in the color
bar, and "hair fractures" in pm3d map plots, which change position and
occurence as you zoom in and out. In a nutshell, it's an aliasing
artifact brought out by the antialiasing / alpha-blending machinery.
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