\input{preamble-standalone.ltx} \begin{document} % Ex. No. 13 (Section 6.1 : \tkzcname{tkzDrawX}} \hypertarget{dx}{) \begin{tikzpicture}[>=latex,scale=2] \draw[line width=2 pt](0,0)--(4,0); \draw[fill] (2cm-6pt,-14pt) rectangle (2cm+6pt,+14pt); \draw[<->](2cm-6.5pt,18pt) -- (2cm+6.5pt,+18pt); \node[above] at (2cm,20pt) {tickwd}; \draw[<->](2cm+10pt,1pt) -- (2cm+10pt,+14pt); \node[right] at (2cm+10pt,8pt) {tickup}; \draw[<->](2cm+10pt,-1pt) -- (2cm+10pt,-14pt); \node[right] at (2cm+10pt,-8pt) {tickdn}; \end{tikzpicture} \end{document}