Redefining some of predefined styles in tikzstyle?

Question

In the following example, how can I redefine one property of the predefined block style in the tikzpicture environment without affecting the others:

\documentclass{article}
    \usepackage{pgfplots}
        \pgfplotsset{compat=1.12}
        \tikzstyle{block} = [rectangle, draw,minimum width=3em,]
\begin{document}
 \begin{tikzpicture} % This works ok
   \node[block, minimum width=3em,] (b1) {B1};
  \end{tikzpicture}
 \begin{tikzpicture}[block/.style={minimum width=3em,}] % This reset all styles
   \node[block] (b1) {B1};
  \end{tikzpicture}
\end{document}

enter image description here

score 3 · Accepted Answer · answered Jun 10 '15 at 07:54

3

You can use the handler .append style:

\documentclass{article}
    \usepackage{pgfplots}
        \pgfplotsset{compat=1.12}
        \tikzstyle{block} = [rectangle, draw,minimum width=3em,]
\begin{document}
 \begin{tikzpicture} % This works ok
   \node[block, minimum width=3em,] (b1) {B1};
  \end{tikzpicture}
 \begin{tikzpicture}[block/.append style={minimum width=10em,}] %
   \node[block] (b1) {B1};
  \end{tikzpicture}
\end{document}

enter image description here

answered Jun 10 '15 at 07:54

Ulrike Fischer

327,261

Cool! I have to say that tikz/pgfplots should be awarded the Most Confusing Syntax Award. – jak123 Jun 10 '15 at 08:00
@jak123 It seems like you never tried using pstricks. – Henri Menke Jun 10 '15 at 09:49
@HenriMenke Is it worse? – jak123 Jun 11 '15 at 06:25
@jak123 It is super inconsistent, cf. this answer. – Henri Menke Jun 11 '15 at 08:55

Redefining some of predefined styles in tikzstyle?

1 Answers1