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Re: Intersection area

by Kjell Magne Fauske :: Rate this Message:

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On Fri, Feb 29, 2008 at 12:47 PM, Dominique Würtz <dwuertz@...> wrote:

> sorry, it should read
>
>
>  \filldraw[fill=red,even odd rule]
>
>  Dominique Würtz schrieb:
>
> > \documentclass{article}
>  > \usepackage{tikz}
>  >
>  > \begin{document}
>  > \pagestyle{empty}
>  >
>  > \begin{tikzpicture}
>  >    \clip (2,0) circle (3cm);
>  >    \filldraw[fill=even odd rule]
>  >    (0,0) circle (2.5cm) (0,0) circle (3cm);
>  > \end{tikzpicture}
>  >
>  > \end{document}
>
>

If you are satisfied with opaque rings you could try:

\documentclass{article}
\usepackage{tikz}

\begin{document}
\pagestyle{empty}

\def\circA{(0,0) circle (2.5cm) (0,0) circle (3cm)}
\def\circB{(2,0) circle (2.5cm) (2,0) circle (3cm)}
\begin{tikzpicture}
  \fill[even odd rule,green] \circA;
  \filldraw[even odd rule,fill=white] \circA \circB ;
\end{tikzpicture}

\end{document}

If the rings have to be transparent this will not work.

- Kjell Magne Fauske

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