25 lines
544 B
TeX
25 lines
544 B
TeX
% Author: Dr. Matthias Jung, DL9MJ
|
|
% Year: 2021
|
|
\begin{tikzpicture}
|
|
\draw plot[
|
|
variable=\t,
|
|
domain=0:360,
|
|
smooth,samples=51
|
|
]
|
|
({20*sin(\t)}:{6*pow(0.95*sin(\t/2),5)});
|
|
|
|
\draw plot[
|
|
variable=\t,
|
|
domain=0:360,
|
|
smooth,samples=51
|
|
]
|
|
({180+30*sin(\t)}:{0.8*pow(sin(\t/2),5)});
|
|
|
|
\draw[very thick] (0,-0.5) -- (0,0.5);
|
|
|
|
\draw(-1.5,0) node[] (A) {a};
|
|
\draw( 5.5,0) node[] (B) {b};
|
|
|
|
\draw[{Triangle}-{Triangle}] (A.east) -- (B.west);
|
|
|
|
\end{tikzpicture} |