Dear all,
I am struggeling to place an object (a red circle) using polar
coordinates with respect to a chosen center called ground.
Any ideas?
Here is the snipped:
\documentclass[]{beamer}
\usepackage[T1]{fontenc}
\usepackage[english,german]{babel}
\usepackage{xcolor}
\usepackage{graphicx}
\usepackage{tikz,pgfplots}
\usetikzlibrary{positioning,fadings,patterns}
\usepackage{tikz,pgfplots}
\usetikzlibrary{positioning,fadings,patterns}
\tikzfading[name=fade inside,
inner color=transparent!80,
outer color=transparent!30]
\begin{document}
\begin{tikzpicture}[scale=0.5]
\draw [help lines] (0,0) grid (23,5);
\coordinate(ground) at (2,2) {};
\draw [very thick] (ground) circle (1.2);
\shade [ball color=white,path fading=fade inside] (ground)
circle (1.5);
\coordinate (ov1) at (0:1.5) {};
\shade [ball color=red] (ov1) circle (0.2);
\end{tikzpicture}
\end{document}
I have tried to place several +s in front of the polar coordinates, but
this does not show any effect.
Thank you in advance.
Elke
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