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Re: ErrorListPlot point size control?


Tania Nordli <jfuite at ualberta.ca> wrote in message
news:87avdn$nvr at smc.vnet.net...
> Dear Advanced Mathematica Users,
>
>         I wish to change the point size of a graph that I am making that
> uses the function ErrorListPlot, from the package Graphics`Graphics.  My
> problem is this: I cannot find a method to control the size of the data
> points displayed.
>
>         Unlike for ListPlot, as shown by Options[ErrorListPlot], the
> option PlotStyle is unavailable.  Moreover, when I try using
> Prolog->{PointSize[0.007]} or Prolog->{AbsolutePointSize[4]} the graph
> remains unaffected (though if I use Prolog->{PointSize[0.007],
> RGBColor[1,0,0]} the points and error bars turn red as expected).  As
> shown by InputForm, the graphics output of ErrorListPlot always has the
> directive of PointSize[0.015], which I cannot seem to affect.
>
>         Therefore, my question is, how can I have a scatter plot with
> error bars and elegantly small data points?
>
>                     Sincerely,
>                     James J. Fuite.
>
>
>

Probably the fastest fix is to use a replacemnet rule to change the
PointSize
already in the graph.

In[1]:= pl = ErrorListPlot[...];

In[2]:= Show[pl /. PointSize[.015] :> PointSize[.01]]
(where PointSize[.01] is whatever PointSize you want).






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