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-\documentclass[11pt,texhelp]{report} 
-\usepackage[dvips]{graphics}
-
-\begin{document} 
-
-\newcommand{\ctsim}{{\tt ctsim}}
-
-
-\title{CTSim - An Open-Source Computed Tomography Simulator} 
-\author{Kevin Rosenberg, MD\footnote{San Juan Regional Medical Center, 801 W. Maple, Farmington NM 87401. Phone: (505) 599-6103. E-mail: kevin@rosenberg.net}} 
-\date{September 2000} 
-\maketitle 
-
-\chapter{Introduction} 
-Computed Tomography is the process of acquiring X-ray data (projections)
-though an object and then using mathematics to reconstruct the interior
-of that object.
-
-\chapter{Installation}
-\subsection{Requirements}
-\begin{itemize}
-  \item Running CTSim
-  \begin{itemize}
-    \item Apache or other CGI compatible web server
-
-    \item Perl (version 4.0 or higher)
-
-    \item A client web browser than can display PNG files. Most
-    current web browswer do support PNG.
-
-  \end{itemize}
-  \item Building CTSim
-  \begin{itemize}
-  \item zlib Library (optional)
-        \par Used for PNG file export.
-
-  \item libpng Library (optional)
-        \par Used for PNG file export.
-       \par www.libpng.org
-
-  \item FFTW library (optional)
-       \par Used for frequency-based filtering
-       \par www.fftw.org
-
-  \item dmalloc library (optional)
-       \par Used for debugging memory allocation
-       \par www.dmalloc.com
-
-  \item wxWindows library (optional) \par Used for
-  platform-independent graphical interface. The graphical-shell
-  program {\tt ctsim} requires this library.  \par www.wxwindows.org
-
-  \end{itemize}
-\end{itemize}
-
-\subsection{Download}
-\subsection{Install Binary Distribution}
-\subsection{Build From Sources}
-
-\chapter{The Programs} 
-
-\section{ctsim - The Graphical User Interface}
-\ctsim\ is the graphical shell for the CTSim project. It is
-written using the wxLibrary for cross-platform compatibility with GTK,
-Motif, and Microsoft Windows.
-
-\ctsim\ incorporates most of the capabilities of the CTSim
-project. There are still functions that are only available to the
-command line tools.
-
-\subsection{Usage}
-ctsim [OPTIONS] [files to open...]
-
-\ctsim\ can open projection files and image files.
-
-\section{The Web Browser CGI Interface}
-\subsection{Overview}
-The CGI program {\tt ctsim.cgi} takes projections of a standard
-phantom object, performs reconstruction, and then compares the
-rasterized phantom object with the reconstruction. The comparison is
-performed both visually by an image subtraction as well as by standard
-statistics as described by Herman\cite{HERMAN80}.
-
-\section{tools - The Command Line Interface}
-\subsection{phm2pj}
-Converts a phantom object to a set of projections
-
-{\tt phm2pj} simulates the process of collection of X-Ray projection data
-such as collected by a CT scanner.
-
-\subsection{pjrec}
-
-\subsection{phm2if}
-
-\section{Function Parameters}
-\subsection{Collection Projections}
-\begin{itemize}
-  \item Phantom
-  Select which phantom to collect projections
-
-  \item Geometry
-  \begin{itemize}
-    \item Parallel
-    \item Equiangular
-    \item Equilinear
-  \end{itemize}
-
-  \item Number of Detectors
-
-  \item Number of Views
-
-  \item Number of Samples Per Detector
-
-\end{itemize}
-
-\subsection{Reconstruct Image From Projections}
-\begin{itemize}
-  \item Filter 
-  Selects which filter to apply to each projection. To
-  properly reconstruct an image, the should be multiplied 
-  by the absolute value of distance from zero frequency.
-
-  \item Filter Parameter
-  \item Filter Method
-  \item Filter Generation
-  \item Interpolation
-  \item Backprojection
-  \item Zeropad
-  \item Preinterpolation Factor
-\end{itemize}
-
-\bibliographystyle{abbrv}
-\bibliography{yes}
-
-
-\end{document}