mirror of
https://github.com/MartinThoma/LaTeX-examples.git
synced 2025-04-26 06:48:04 +02:00
27 lines
883 B
TeX
27 lines
883 B
TeX
\documentclass[varwidth=true, border=2pt]{standalone}
|
|
\usepackage{ifthen}
|
|
\usepackage{tikz}
|
|
\usetikzlibrary{calc}
|
|
|
|
\begin{document}
|
|
\tikzstyle{vertex}=[draw,red,fill=red,circle,
|
|
minimum size=10pt,inner sep=0pt]
|
|
\tikzstyle{edge}=[red, very thick]
|
|
\begin{tikzpicture}
|
|
\newcommand{\n}{5}
|
|
\foreach \y in {0, ..., \n}{
|
|
\pgfmathsetmacro{\loopend}{{2*\n-\y}}
|
|
\pgfmathsetmacro{\second}{{\y+2}}
|
|
\foreach \x in {\y, \second,..., \loopend}{
|
|
\ifthenelse{\n=\y}{\breakforeach}{}
|
|
\node (n-\x\y)[vertex] at (\x,\y) {};
|
|
|
|
\ifthenelse{\y=0}{}{\draw[edge] (\x,\y) -- (\x+1,\y-1);}
|
|
\pgfmathtruncatemacro\X{\x}
|
|
\ifthenelse{\X<\loopend}{\draw[edge] (\x,\y) -- (\x+2,\y);}{}
|
|
\ifthenelse{\X=\loopend}{}{\draw[edge] (\x,\y) -- (\x+1,\y+1);}
|
|
|
|
}
|
|
}
|
|
\end{tikzpicture}
|
|
\end{document}
|