\input{preamble-standalone.ltx} \begin{document} % Ex. No. 75 (Section 10.2.1 : Exemple avec \tkzcname{tkzClipBB} et les bissectrices) \begin{tikzpicture} \tkzInit[xmin=-3,xmax=6, ymin=-1,ymax=6] \tkzDefPoint(0,0){O}\tkzDefPoint(3,1){I} \tkzDefPoint(1,4){J} \tkzDefLine[bisector](I,O,J) \tkzGetPoint{i} \tkzDefLine[bisector out](I,O,J) \tkzGetPoint{j} \tkzDrawPoints(O,I,J,i,j) \tkzClipBB \tkzDrawLines[add = 1 and 2,color=red](O,I O,J) \tkzDrawLines[add = 1 and 2,color=blue](O,i O,j) \tkzShowBB \end{tikzpicture} \end{document}