L^ATEX picture Environment

You can create pictures within L^ATEX using a limited set of picture symbols. These include vector, line, oval, and others. They are fairly difficult to use, and you have to set them up by hand. For more information you should refer to the L^ATEX manual.

This picture was made with the following L^ATEX code.

\begin{picture}(80,80)(0,0)
\put(60,77){\vector(1,0){7}}
\put(60,85){$\theta^+$}
\put(60,40){\line(1,5){10}}
\put(60,40){\line(0,1){50}}
\put(60,40){\oval(40,40)[l]}
\put(60,20){\line(0,1){40}}
\put(0,40){\vector(1,0){40}}
\put(0,43){flow}
\end{picture}

Another way to get pictures in your L^ATEX document is to use plain TEX commands. See The TeXbook and/or ask for more information.