Re: [Pgfplots-features] Letter shift in the legend, \pgfdeclareplotmark

[Christian F. <cfe...@go...>]

Hi Ihor,

the legend uses nodes by itsself, and it reconfigures these nodes.

The legend style is
     /pgfplots/every axis legend/.style={%
         cells={anchor=center},
         inner xsep=3pt,inner ysep=2pt,nodes={inner sep=2pt,text 
depth=0.15em},
         anchor=north east,%
         shape=rectangle,%
         fill=white,%
         draw=black,
         at={(0.98,0.98)},
     },

In particular, the style "nodes" affects your nodes as well. You need to 
reset the node-specific options to their default, for example

\pgfdeclareplotmark{e}
   {\filldraw[fill=white,draw=black] (0pt,0pt) circle [radius=3pt] 
node[text depth=0pt] {\scriptsize e};}

Kind regards

Christian

Am 10.03.2014 10:40, schrieb Ihor Rokach:
> Hello,
>
> I am trying to define a custom mark using \pgfdeclareplotmark. In the 
> example shown below letter e in the legend is a bit shifted with 
> respect to the center of the circle. It is placed properly, however, 
> in each mark in the plot itself. How could I fix it? I am using the 
> latest versions of PGF and Pgfplots, MikTeX 2.9 on Windows XP 32.
>
> --------------------------------------------- start of the example ---
> \documentclass{article}
> \usepackage{pgfplots}
>
> \pgfplotsset{compat=newest}
>
> \pgfdeclareplotmark{e}
>   {\filldraw[fill=white,draw=black] (0pt,0pt) circle [radius=3pt] node 
> {\scriptsize e};}
>
> \begin{document}
> \thispagestyle{empty}
> \begin{tikzpicture}
> \begin{axis}[]
> \addplot[mark=e] coordinates {(0,1) (1,0)};
>     \addlegendentry{test}
> \end{axis}
> \end{tikzpicture}
> \end{document}
>
> --------------------------------------------- end of the example ---
>
> With best wishes
> ,
> =========
> Ihor
>
>
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