From 32f1a1d818f0fe28b2ae97071e31a773ee2d028a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andreas=20M=C3=BCller?= <andreas.mueller@ost.ch>
Date: Thu, 19 May 2022 17:28:33 +0200
Subject: some local changes

---
 buch/papers/fresnel/images/pfad.tex | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 buch/papers/fresnel/images/pfad.tex

(limited to 'buch/papers/fresnel/images/pfad.tex')

diff --git a/buch/papers/fresnel/images/pfad.tex b/buch/papers/fresnel/images/pfad.tex
new file mode 100644
index 0000000..680cd78
--- /dev/null
+++ b/buch/papers/fresnel/images/pfad.tex
@@ -0,0 +1,37 @@
+%
+% pfad.tex -- template for standalon tikz images
+%
+% (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}
+\definecolor{darkgreen}{rgb}{0,0.6,0}
+\begin{tikzpicture}[>=latex,thick,scale=\skala]
+
+\fill[color=gray!40] (0,0) -- (2,0) arc (0:45:2) -- cycle;
+\node at (22.5:1.4) {$\displaystyle\frac{\pi}4$};
+
+\draw[->] (-1,0) -- (9,0) coordinate[label={$\operatorname{Re}$}];
+\draw[->] (0,-1) -- (0,6) coordinate[label={left:$\operatorname{Im}$}];
+
+\draw[->,color=red,line width=1.4pt] (0,0) -- (7,0);
+\draw[->,color=blue,line width=1.4pt] (7,0) arc (0:45:7);
+\draw[->,color=darkgreen,line width=1.4pt] (45:7) -- (0,0);
+
+\node[color=red] at (3.5,0) [below] {$\gamma_1(t) = tR$};
+\node[color=blue] at (25:7) [right] {$\gamma_2(t) = Re^{it}$};
+\node[color=darkgreen] at (45:3.5) [above left] {$\gamma_3(t) = te^{i\pi/4}$};
+
+\node at (7,0) [below] {$R$};
+\node at (45:7) [above] {$Re^{i\pi/4}$};
+
+\end{tikzpicture}
+\end{document}
+
-- 
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