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| -rw-r--r-- | cover/matrix.tex | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/cover/matrix.tex b/cover/matrix.tex new file mode 100644 index 0000000..338435b --- /dev/null +++ b/cover/matrix.tex @@ -0,0 +1,50 @@ +% +% matrix.tex -- Hintergrund für Bucheinband +% +% (c) 2021 Prof Dr Andreas Müller, OST Ostschweizer Fachhochschule +% +\documentclass[tikz]{standalone} +\usepackage{amsmath} +\usepackage{times} +\usepackage{txfonts} +\usepackage{pgfplots} +\usepackage{csvsimple} +\usetikzlibrary{arrows,intersections,math} +\begin{document} +\def\skala{1} +\begin{tikzpicture}[>=latex,thick,scale=\skala] + +\def\w{30} +\def\h{10} +\def\l{7} +\def\s{0.155} +\def\vs{0.245} + +\fill[color=blue] (0,{-0.3*\h}) rectangle (\w,{2*\h}); + +\def\verticalline#1{ + \pgfmathparse{int(random(0,\h/\vs))*\vs} + \xdef\initialheight{\pgfmathresult} + \foreach \y in {0,\vs,...,\l}{ + \pgfmathparse{100*(1-(sqrt(\y/\l)))} + \xdef\farbe{\pgfmathresult} + \pgfmathparse{int(random(0,9))} + \xdef\zeichen{\pgfmathresult} + \node[color=white!\farbe!blue,opacity={(1-\y/\l)}] + %\node[color=white!\farbe!blue] + at (#1,{\initialheight+\y}) {\tt\zeichen}; + } +} + +\begin{scope} +\clip (0,{-0.3*\h}) rectangle (\w,{2*\h}); + +\foreach \x in {0,\s,...,\w}{ + \verticalline{\x} +} + +\end{scope} + +\end{tikzpicture} +\end{document} + |