1 files changed, 39 insertions, 0 deletions
diff --git a/buch/papers/punktgruppen/tikz/lattice.tex b/buch/papers/punktgruppen/tikz/lattice.tex
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+++ b/buch/papers/punktgruppen/tikz/lattice.tex
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+\documentclass[tikz]{standalone}
+\usepackage{amsmath}
+\usepackage{times}
+\usepackage{txfonts}
+
+\usetikzlibrary{arrows}
+\usetikzlibrary{intersections}
+\usetikzlibrary{math}
+\usetikzlibrary{positioning}
+\usetikzlibrary{arrows.meta}
+\usetikzlibrary{shapes.misc}
+\usetikzlibrary{calc}
+
+\begin{document}
+\begin{tikzpicture}[
+	dot/.style = {
+	  draw, circle, thick, black, fill = gray!40!white,
+	  minimum size = 2mm,
+	  inner sep = 0pt,
+	  outer sep = 1mm,
+	},
+  ]
+
+  \begin{scope}
+	\clip (-2,-2) rectangle (3,4);
+	\foreach \y in {-7,-6,...,7} {
+	  \foreach \x in {-7,-6,...,7} {
+		\node[dot, xshift=3mm*\y] (N\x\y) at (\x, \y) {};
+	  }
+	}
+  \end{scope}
+  \draw[black, thick] (-2, -2) rectangle (3,4);
+
+  \draw[red!80!black, thick, ->] 
+	(N00) to node[midway, below] {\(\vec{a}_1\)} (N10);
+  \draw[cyan!80!black, thick, ->]
+	(N00) to node[midway, left] {\(\vec{a}_2\)} (N01);
+\end{tikzpicture}
+\end{document}