\input{preamble-standalone.ltx} \begin{document} % Ex. No. 84 (Section 10.4 : tkzSaveBB}{) \begin{tikzpicture} \begin{scope} \tkzSetBB(0,0)(6,2) \tkzShowBB[fill=blue!20] \tkzSaveBB \end{scope} \tkzDefPoint(3,3){A}\tkzShowBB \tkzDrawCircle[R,fill=yellow,opacity=.2](A,2cm) \tkzRestoreBB \end{tikzpicture} \end{document}