mirror of
https://github.com/MartinThoma/LaTeX-examples.git
synced 2025-04-19 11:38:05 +02:00
7740f0147f
The commands
find . -type f -name '*.md' -exec sed --in-place 's/[[:space:]]\+$//' {} \+
and
find . -type f -name '*.tex' -exec sed --in-place 's/[[:space:]]\+$//' {} \+
were used to do so.
35 lines
1.7 KiB
TeX
35 lines
1.7 KiB
TeX
\documentclass{article}
|
|
\usepackage[pdftex,active,tightpage]{preview}
|
|
\setlength\PreviewBorder{2mm}
|
|
\usepackage{tikz}
|
|
\usetikzlibrary{shapes, calc, shapes,snakes}
|
|
\usepackage{amsmath,amssymb}
|
|
|
|
\begin{document}
|
|
\begin{preview}
|
|
\begin{tikzpicture}
|
|
\newcommand\ALPHA{65}
|
|
\newcommand\R{2.5cm}
|
|
\newcommand\Add{0.5cm}
|
|
\draw[fill=gray!10, thick] (0,0) -- (90+\ALPHA:\R) node [sloped,midway,below] {$r$} arc (90+\ALPHA:90-\ALPHA:\R) -- cycle;
|
|
\draw[<-, thick] (90+\ALPHA:\R+\Add/2) arc (90+\ALPHA:95:\R+\Add/2);
|
|
\draw[->, thick] (85:\R+\Add/2) arc (85:90-\ALPHA:\R+\Add/2);
|
|
\draw[<->] (90+\ALPHA:\R/2) arc (90+\ALPHA:90:\R/2); % sloped \alpha didnt work
|
|
\node at (90+\ALPHA/2:\R/2-\Add/2) {$\alpha$};
|
|
\node at (90-\ALPHA/2:\R/2-\Add/2) {$\alpha$};
|
|
\draw[<->] (90:\R/2) arc (90:90-\ALPHA:\R/2);
|
|
\node at (0,\R) [above] (b) {$b$};
|
|
\draw[dotted] (0,0) -- (90+\ALPHA:\R+\Add/2);
|
|
\draw[dotted] (0,0) -- (90-\ALPHA:\R+\Add/2);
|
|
\draw (0,0) -- (b);
|
|
\draw[thick, <->] (-{sin(\ALPHA)*\R},-\Add/2) -- ({sin(\ALPHA)*\R},-\Add/2);
|
|
\draw[dashed] (-{sin(\ALPHA)*\R},-\Add/2) -- (90+\ALPHA:\R);
|
|
\draw[dashed] ( {sin(\ALPHA)*\R},-\Add/2) -- (90-\ALPHA:\R);
|
|
\node[below] at (0,-\Add/2) (l) {$l$};
|
|
\draw[dashed] (0,0) -- (\R/2,0) -- (\R/2, {2*\R*\R*sin(\ALPHA)/(2*pi*\ALPHA/360*2*\R)}) node[pos=0.7,right] {$y_s$} --
|
|
(0, {2*\R*\R*sin(\ALPHA)/(2*pi*\ALPHA/360*2*\R)}) node [thick,draw,cross out,solid,inner sep=0pt,minimum width=4pt,minimum height=4pt] {};
|
|
\node[left] at (0, {2*\R*\R*sin(\ALPHA)/(2*pi*\ALPHA/360*2*\R)}) {$S$};
|
|
\node[thick,draw,cross out,solid,inner sep=0pt,minimum width=4pt,minimum height=4pt] (0,0) {};
|
|
\end{tikzpicture}
|
|
\end{preview}
|
|
\end{document}
|