linethic.lp

latex数学文档编辑手册。。 。。 。。。

% LaTeX-CAD (c) John Leis 
% (requires graphics.sty)  
\begin{picture}(74,34)
\thinlines
\drawpath{4}{20}{24}{20}
\drawvector{4}{16}{20}{1}{0}
\drawframebox{14}{8}{20}{8}{}
\thicklines
\drawpath{30}{20}{48}{20}
\drawvector{30}{16}{18}{1}{0}
\drawframebox{39}{8}{18}{8}{}
\Thicklines
\drawpath{54}{20}{70}{20}
\drawvector{54}{16}{16}{1}{0}
\drawframebox{62}{8}{16}{8}{}
\thinlines
\drawshadowbox{12}{28}{thinlines}
\drawshadowbox{36}{28}{thicklines}
\drawshadowbox{60}{28}{very thick lines}
\end{picture}