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The contents of a node are drawn in text mode. Is there a way, short of introducing a tikzpicture environment, to draw a picture inside a node?

Nesting tikzpicture environments is problematic, also because the inner environment inherits all TikZ attributes from the surrounding tikzpicture environment.

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1 Answer

up vote 6 down vote accepted

You need to take precautions to use nesting tikzpicture but but it is doable.

You need to also take certain precautions to work with tikzpicture inside tikzpicture or with scope inside tikzpicture. Everything depends on circumstances and what you want to do but I think there is always a way to deal.

I work on the next document for another question. The problem here is to place automatically the heart and I need to use an extern node '(txt)' to place a node inside the tikzpicture inside a node. Well Tikz is magic and do that without problem

enter image description here

\documentclass{scrartcl}
\usepackage[paperwidth=8cm,
            paperheight=8cm,
            margin=0cm,
            left=0cm,
            bottom=0mm]{geometry} 
%\PassOptionsToPackage{dvipsnames,svgnames}{xcolor}   
\usepackage{tikz}

 \begin{document} 
 \pagestyle{empty}   
 \setlength{\parindent}{0em} 

 \tikzset{text style/.style={align      = center,
                             text width = \textwidth}}    

\newcommand\mytext{The life that I have \\
Is all that I have \\
And the life that I have \\
Is yours. \\
The love that I have  \\
Of the life that I have \\
Is yours and yours and yours. \\

A sleep I shall have \\
A rest I shall have \\
Yet death will be but a pause.\\

For the peace of my years \\
In the long green grass \\
Will be yours and yours and yours.}

\null\vfill
\begin{tikzpicture}[remember picture]
\node[text style,color=red] (txt) {\mytext};

\node at (txt.center)     
{\begin{tikzpicture}[fill  = red]
\pgftransformscale{.025}
\pgfpathmoveto{\pgfqpoint{3600 pt}{3350 pt}}
\pgfpathcurveto{\pgfqpoint{3580 pt}{4270 pt}}
               {\pgfqpoint{870 pt}{6400 pt}}
               {\pgfqpoint{990 pt}{7860 pt}}%     
\pgfpathcurveto{\pgfqpoint{1040 pt}{8430 pt}}
               {\pgfqpoint{1590 pt}{9060 pt}}
               {\pgfqpoint{2200 pt}{9060 pt}}%
\pgfpathcurveto{\pgfqpoint{3610 pt}{9050 pt}}
               {\pgfqpoint{3600 pt}{7720 pt}}
               {\pgfqpoint{3600 pt}{7720 pt}}%
\pgfpathcurveto{\pgfqpoint{3600 pt}{7720 pt}}
               {\pgfqpoint{3580 pt}{9050 pt}}
               {\pgfqpoint{4990 pt}{9060 pt}}%
\pgfpathcurveto{\pgfqpoint{5600 pt}{9060 pt}}
               {\pgfqpoint{6150 pt}{8430 pt}}
               {\pgfqpoint{6200 pt}{7860 pt}}%
\pgfpathcurveto{\pgfqpoint{6320 pt}{6400 pt}}
               {\pgfqpoint{3610 pt}{4270 pt}}
               {\pgfqpoint{3600 pt}{3350 pt}}%
\pgfpathclose            
\pgfusepath{clip,fill,stroke}%
%
\node[white,
     anchor = north west,
     text style] at (txt.north west) {\mytext};  
\end{tikzpicture}};
\end{tikzpicture} 
\vfill
\end{document}

Update I added inside a new tikpicture inside a node inside a tikzpicture inside a node inside the first tikzpicture with opacity , filling.

I created the ant.pgf from the ant of the pst-fun with some difficulties because original picture use rlineto and rcurveto and I don't know if it's possible with pgf.

enter image description here

 %  http://altermundus.com/SandBox/ant1.pgf       
 \documentclass{scrartcl}
\usepackage[paperwidth=8cm,
            paperheight=8cm,
            margin=0cm,
            left=0cm,
            bottom=0mm]{geometry} 
\PassOptionsToPackage{dvipsnames,svgnames}{xcolor}   
\usepackage{tikz}
\makeatletter  
\newcommand{\callornament}[1]{%
\begingroup
\def\i{\pgfusepath{clip}}%
\let\o\pgfpathclose
\let\s\pgfusepathqfillstroke
\def\p ##1##2{\pgfqpoint{##1bp}{##2bp}}%
\def\m ##1 ##2 {\pgfpathmoveto{\p{##1}{##2}}}%
\def\l ##1 ##2 {\pgfpathlineto{\p{##1}{##2}}}%
\def\r ##1 ##2 ##3 ##4 {\pgfpathrectangle{\p{##1}{##2}}{\p{##3}{##4}}}%
\def\c ##1 ##2 ##3 ##4 ##5 ##6 {%
\pgfpathcurveto{\p{##1}{##2}}{\p{##3}{##4}}{\p{##5}{##6}}}%   
\@@input #1\relax
\endgroup}   
\makeatother

 \begin{document} 
 \pagestyle{empty}   
 \setlength{\parindent}{0em} 

 \tikzset{text style/.style={align      = center,
                             text width = \textwidth}}    

\newcommand\mytext{The life that I have \\
Is all that I have \\
And the life that I have \\
Is yours. \\
The love that I have  \\
Of the life that I have \\
Is yours and yours and yours. \\

A sleep I shall have \\
A rest I shall have \\
Yet death will be but a pause.\\

For the peace of my years \\
In the long green grass \\
Will be yours and yours and yours.}

\null\vfill
\begin{tikzpicture}[remember picture]
\node[text style,color=red] (txt) {\mytext};

\node (h) at (txt.center)     
{\begin{tikzpicture}[fill  = red]
\pgftransformscale{.025}
\pgfpathmoveto{\pgfqpoint{3600 pt}{3350 pt}}
\pgfpathcurveto{\pgfqpoint{3580 pt}{4270 pt}}
               {\pgfqpoint{870 pt}{6400 pt}}
               {\pgfqpoint{990 pt}{7860 pt}}%     
\pgfpathcurveto{\pgfqpoint{1040 pt}{8430 pt}}
               {\pgfqpoint{1590 pt}{9060 pt}}
               {\pgfqpoint{2200 pt}{9060 pt}}%
\pgfpathcurveto{\pgfqpoint{3610 pt}{9050 pt}}
               {\pgfqpoint{3600 pt}{7720 pt}}
               {\pgfqpoint{3600 pt}{7720 pt}}%
\pgfpathcurveto{\pgfqpoint{3600 pt}{7720 pt}}
               {\pgfqpoint{3580 pt}{9050 pt}}
               {\pgfqpoint{4990 pt}{9060 pt}}%
\pgfpathcurveto{\pgfqpoint{5600 pt}{9060 pt}}
               {\pgfqpoint{6150 pt}{8430 pt}}
               {\pgfqpoint{6200 pt}{7860 pt}}%
\pgfpathcurveto{\pgfqpoint{6320 pt}{6400 pt}}
               {\pgfqpoint{3610 pt}{4270 pt}}
               {\pgfqpoint{3600 pt}{3350 pt}}%
\pgfpathclose            
\pgfusepath{clip,fill,stroke}%
%
\node[white,
     anchor = north west,
     text style] at (txt.north west) {\mytext}; 
\node at (txt.center){\tikz \pgftransformscale{.0125}%
                           \pgfsetfillcolor{MidnightBlue}%
                           \pgfsetfillopacity{.5}%
                           \callornament{ant1.pgf} ;};    
\end{tikzpicture}};

\end{tikzpicture} 
\vfill
\end{document}
share|improve this answer
    
Which question do you refer to? Could you please provide a link? -- Also, the question is more about how to avoid it, and not if it's doable or not... –  krlmlr Mar 9 '12 at 10:43
    
As I was writing my comment, I noticed that my question was formulated badly. I'll start a new one. Thanks for the nice example, though. –  krlmlr Mar 9 '12 at 10:49
    
Yes the question is badly formulated if you want to avoid the tikzpicture inside a node but why to you want to avoid this ? Sometimes it's very useful to do this ! A node is useful to place something ( text, picture or tikzpicture) inside a tikzpicture! –  Alain Matthes Mar 9 '12 at 10:52
    
I just don't want to bother with resetting attributes to default values. –  krlmlr Mar 9 '12 at 10:58
    
It's the aim of my question tex.stackexchange.com/questions/46818 We need to answer this question before to give a correct answer to yours –  Alain Matthes Mar 9 '12 at 11:02
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