% Appendix B
%======================================================================
\chapter{Sequence diagrams}
\markboth{Sequence diagrams}{}
%======================================================================

\section{Opening a file}
\markright{Opening a file}

\begin{figure}
\begin{center}
\psfig{figure=open.ps, width=6.5in}
\end{center}
\caption{Sequence diagram of file open}
\end{figure}

\section{Inserting an object}
\markright{Inserting an object}

\begin{figure}
\begin{center}
\psfig{figure=insert.ps, width=6.5in}
\end{center}
\caption{Sequence diagram of inserting an object}
\end{figure}

\section{Selecting an object}
\markright{Selecting an object}
\begin{figure}
\begin{center}
\psfig{figure=select.ps, width=6in}
\end{center}
\caption{Sequence diagram of selecing an object}
\end{figure}

\section{Defining \& activating grid }
\markright{Defining \& activating grid }
\begin{figure}
\begin{center}
\psfig{figure=grid.ps, width=6.5in}
\end{center}
\caption{Sequence diagram of defining and activating grid}
\end{figure}

\section{Setting font and size of text}
\markright{Setting font and size of text}
\begin{figure}
\begin{center}
\psfig{figure=font.ps, width=6.4in}
\end{center}
\caption{Sequence diagram of setting font and size}
\end{figure}

