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latex:tikz:circles [2013/07/04 08:45] (current)
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 +<code latex> 
 +\documentclass{article} 
 +\usepackage[pdftex,​active,​tightpage]{preview} 
 +\usepackage{tikz} 
 +\PreviewEnvironment{tikzpicture} 
 +\begin{document} 
 +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%  
 +\begin{tikzpicture} 
 + \draw (0,0) circle (1); 
 + \draw [fill=lightgray] (0,0) circle (0.75); 
 + \draw [fill=gray] (0,0) circle (0.5); 
 + %\draw [fill=darkgray] (0,0) circle (0.25); 
 + %\draw [ultra thick,red] (0,0) circle (0.025); 
 + \draw [red,​thick,​->​] (0,0)  -- (1,0) node at (1,​0) [black,​right] {1}; 
 + \draw [red,​thick,​->​] (0,0)  -- (0,​0.75) node at (0,​1) [black,​above] {0.75}; 
 + %\draw [red,​thick,​->​] (0,0)  -- (-0.5,​0) node at (-1,​0) [black,​left] {0.5}; 
 + %\draw [red,​thick,​->​] (0,0)  -- (0,​-0.25) node at (0,​-1) [black,​below] {0.25}; 
 +\end{tikzpicture} 
 +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%  
 +\end{document} 
 +</​code>​