a standard deviation factor of \texttt{0.1}.
\item \texttt{Process - Projections...} \\
Use this command on the geometric phantom window. This simulates the collection of x-ray
-data. You may use the defaults shown in the dialog box.
+data. You may use the defaults shown in the dialog box. Additionally, you may wish to turn on
+\texttt{Trace - Projections} to watch to x-ray data being simulated.
\item \texttt{Reconstruction - Filtered Backprojection...} \\
Use this command on the projection window. This will reconstruct an image
from the projections. Once again, you may use the defaults shown in the dialog box.
window.}
\twocolitem{\textbf{Bandwidth}}{Sets the bandwidth of the filter.}
\end{twocollist}
+
\begin{twocollist}
\twocolitem{\textbf{Axis (input) Scale}}{Sets the scale for the filter input. By default, the input to the filter is
the distance in pixels from the center of the image. By changing this value, one can set a scale the input to the filter.
this option, \ctsim\ will never ask if you want to save a file -- you'll
be responsible for saving any files that you create.}
+\twocolitem{\textbf{Verbose logging}}{This option is initially turned off in
+new installations. With this option set, \ctsim\ will log more events than
+usual. There extra events are not important for viewing with typical operation of
+\ctsim.}
+
+\twocolitem{\textbf{Show startup tips}}{This option is initially turned on in
+new installations. With this option set, \ctsim\ will display
+helpful tips when \ctsim\ is started.}
+
+\twocolitem{\textbf{Run background tasks}}{This option is initially turned off in
+new installations. With this option set, \ctsim\ execute lengthy calculations in the
+background. A background window will appear when processes are running in the background
+and will disappear when no background processes are executing. This background window shows
+the status and progress of all background processes.}
+
\end{twocollist}
\subsection{File - Open}
\subsection{Help - Contents}
This command displays the online help.
+\subsection{Help - Tips}
+This command displays a dialog with tips on using \ctsim.
+
+\subsection{Help - Quick Start}
+This command displays a recommend approach to helping new users learn to use \ctsim.
+
\subsection{Help - About}
This command shows the version number and operating environment of \ctsim.