X-Git-Url: http://git.kpe.io/?a=blobdiff_plain;f=doc%2Fctsim-textui.tex;h=6a4a67531bb9c47510b5ec0f7564817c0d193f13;hb=befd71a7157339b52a0c40359518d5276b25d127;hp=6f7a5de96bef9aac97a1cb6dd9aa4911c5b4c9af;hpb=ff99ed271fc46136ca6a30221847a54d52ff0de6;p=ctsim.git diff --git a/doc/ctsim-textui.tex b/doc/ctsim-textui.tex index 6f7a5de..6a4a675 100644 --- a/doc/ctsim-textui.tex +++ b/doc/ctsim-textui.tex @@ -1,28 +1,42 @@ -\chapter{ctsimtext}\label{ctsimtext}\index{ctsimtext}% +\chapter{The Command Line Interface}\label{ctsimtext}\index{ctsimtext}% \setheader{{\it CHAPTER \thechapter}}{}{}{}{}{{\it CHAPTER \thechapter}}% \setfooter{\thepage}{}{}{}{}{\thepage}% -\ctsimtext\ is a master shell for all of the command-line utilities. +\ctsimtext\ is a master shell for all of the command-line utilities. -\usage -\ctsimtext\ can be executed without any parameters. In that case, \ctsimtext\ -offers a command-line to enter the function-names and their parameters. The output of the command is displayed. Further commands may be given to \ctsimtext. The shell is exited by the \texttt{quit} command. - -\ctsimtext\ can also be called to execute a single command. This is especially useful for batch files containing multiple \ctsimtext\ commands. This is invoked by calling \par -\texttt{ctsimtext function-name parameters...}. +\usage \ctsimtext\ can be invoked via three different +methods. +\begin{itemize}\itemsep=0pt +\item \ctsimtext\ can executed without any parameters. In that case, +\ctsimtext\ offers a command-line to enter the function-names and +their parameters. The output of the command is displayed. Further +commands may be given to \ctsimtext. The shell is exited by the +\texttt{quit} command. + +\item \ctsimtext\ can also be called to +execute a single command. This is especially useful for batch +files containing multiple \ctsimtext\ commands. This is invoked by +calling\\ \texttt{ctsimtext function-name parameters...}. + +\item Using operating systems that support soft or hard linking of +files (such as UNIX and Linux), the executable file \ctsimtext\ can +be linked to the function names. This is automatically done by +the installation file for Linux. Thus, to use \ctsimtext\ with the +function name \texttt{pjrec}, the below command can be executed:\\ +\texttt{pjrec parameters...} -The available functions are: +\end{itemize} \section{if1}\label{if1}\index{ctsimtext,if1}% Perfoms math functions on a single image. \usage \begin{itemize}\itemsep=0pt - \item --invert - \item --log - \item --exp - \item --sqr - \item --sqrt + \item -\,-invert + \item -\,-log + \item -\,-exp + \item -\,-sqr + \item -\,-sqrt \end{itemize} \section{if2}\label{if2}\index{ctsimtext,if2}% @@ -30,12 +44,12 @@ Perfoms math functions on a two images. \usage \begin{itemize}\itemsep=0pt - \item --add - \item --sub - \item --mul - \item --comp - \item --column-plot - \item --row-plot + \item -\,-add + \item -\,-sub + \item -\,-mul + \item -\,-comp + \item -\,-column-plot + \item -\,-row-plot \end{itemize} \section{ifexport}\label{ifexport}\index{ctsimtext,ifexport}% @@ -45,29 +59,29 @@ Export an imagefile to a standard graphics file. \begin{itemize}\itemsep=0pt \item --format \begin{itemize}\itemsep=0pt - \item --pgm - \item --pgmasc - \item --png - \item --png16 + \item -\,-pgm + \item -\,-pgmasc + \item -\,-png + \item -\,-png16 \end{itemize} - \item --center + \item -\,-center \begin{itemize}\itemsep=0pt \item median \item mode \item mean \end{itemize} - \item --auto + \item -\,-auto \begin{itemize}\itemsep=0pt - \item --full - \item --std0.1 - \item --std0.5 - \item --std1 - \item --std2 - \item --std3 + \item -\,-full + \item -\,-std0.1 + \item -\,-std0.5 + \item -\,-std1 + \item -\,-std2 + \item -\,-std3 \end{itemize} - \item --scale - \item --min - \item --max + \item -\,-scale + \item -\,-min + \item -\,-max \end{itemize} \section{ifinfo}\label{ifinfo}\index{ctsimtext,ifinfo}% @@ -76,11 +90,11 @@ Displays information about an imagefile. \usage \begin{itemize}\itemsep=0pt - \item --labels - \item --no-labels - \item --stats - \item --no-stats - \item --help + \item -\,-labels + \item -\,-no-labels + \item -\,-stats + \item -\,-no-stats + \item -\,-help \end{itemize} \section{phm2pj}\label{phm2pj}\index{ctsimtext,phm2pj}% @@ -89,37 +103,44 @@ Simulates collection of X-rays data (projections) around a phantom object. \usage phm2pj projection-file-name number-of-detectors number-of-views [options...] \begin{itemize}\itemsep=0pt - \item --phantom - Select a standard phantom + \item -\,-phantom + Select a standard phantom \begin{itemize}\itemsep=0pt \item herman - \item herman-b \item shepp-logan - \item shepp-logan-b + \item unit-pulse \end{itemize} - \item --phmfile + \item -\,-phmfile Load a phantom definition definition - \item --geometry + \item -\,-geometry \begin{itemize}\itemsep=0pt \item parallel \item equiangular \item equilinear \end{itemize} - \item --nray + \item -\,-nray Number of samples per each detector - \item --rotangle + \item -\,-rotangle Sets the rotation amount as a multiple of pi. For parallel geometries use -a rotation angle of 1 and for equilinear and equiangular geometries use a rotation angle of 2. +a rotation angle of 1 and for equilinear and equiangular +geometries use a rotation angle of 2. The default is to use to +appropriate rotation angle based on the geometry. - \item --field-of-view - Sets the field of view as a ratio of the diameter of the phantom. For parallel geometries, using a value of 1.0 is fine. For other geometies, this should be at least 1.3 to avoid artifacts. + \item -\,-view-ratio + Sets the field of view as a ratio of the diameter of the phantom. + For normal scanning, a value of 1.0 is fine. - \item --focal-length - Sets the distance of the radiation source and detectors from the center of the object as a ratio of the radius of the object. For parallel geometries, a value of 1.0 is fine. For other geometries, this should be at least 2.0 to avoid artifacts. + \item -\,-scan-ratio + Sets the length of scanning as a ratio of the view diameter. + For normal scanning, a value of 1.0 is fine. + + \item -\,-focal-length + Sets the distance of the radiation source and detectors from the center of the object as a ratio of the radius of the object. + For parallel geometries, a value of 1.0 is fine. For other geometries, this should be at least 2.0 to avoid artifacts. \end{itemize} The Herman phantom is taken with permission from Gabor Hermans 1980 book\cite{HERMAN80}. The Shepp-Logan phantom was published in 1974\cite{SHEPP74}. @@ -131,7 +152,8 @@ to average per pixel. \usage \begin{itemize}\itemsep=0pt - \item --nsamples + \item -\,-nsamples + \item -\,-view-ratio \end{itemize} \section{pj2if}\label{pj2if}\index{ctsimtext,pj2if}% @@ -139,7 +161,7 @@ Convert a projection file into an imagefile. \usage \begin{itemize}\itemsep=0pt -\item --help Print brief online help +\item -\,-help Print brief online help \end{itemize} \section{pjinfo}\label{pjinfo}\index{ctsimtext,pjinfo}% @@ -147,31 +169,35 @@ Displays information about a projection file. \usage \begin{itemize}\itemsep=0pt - \item --binaryheader - \item --binaryview - \item --startview - \item --endview - \item --dump + \item -\,-binaryheader + \item -\,-binaryview + \item -\,-startview + \item -\,-endview + \item -\,-dump \end{itemize} \section{pjrec}\label{pjrec}\index{ctsimtext,pjrec}% Reconstructs the interior of an object from a projection file. -\usage \begin{twocollist} \twocolitemruled{\textbf{Parameter}}{\textbf{Options}} -\twocolitem{\textbf{--filter}}{Selects which filter to apply to each projection. To properly reconstruct an image, this filter should be multiplied -by the absolute value of distance from zero frequency. +\twocolitem{\textbf{-\,-filter}}{Selects which filter to apply to +each projection. To properly reconstruct an image, this filter +should be multiplied by the absolute value of distance from zero +frequency. \begin{itemize}\itemsep=0pt \item abs\_bandlimit \item abs\_cosine \item abs\_hamming \end{itemize} -} -\twocolitem{\textbf{\-\-filter-parameter}}{Sets the alpha level for Hamming +} \twocolitem{\textbf{-\,-filter-parameter}}{Sets the alpha level +for Hamming window. At setting of 0.54, this equals the Hanning window.} -\twocolitem{\textbf{\-\-filter-method}}{Selects the filtering method. For large numbers of detectors, \texttt{rfftw} is optimal. For smaller numbers of detectors, \texttt{convolution} might be a bit faster. +\twocolitem{\textbf{-\,-filter-method}}{Selects the filtering +method. For large numbers of detectors, \texttt{rfftw} is optimal. +For smaller numbers of detectors, \texttt{convolution} might be a +bit faster. \begin{itemize}\itemsep=0pt \item convolution \item fourier @@ -179,31 +205,42 @@ by the absolute value of distance from zero frequency. \item fftw \item rfftw \end{itemize} -} -\twocolitem{\textbf{\-\-filter-generation}}{Selects the filter generation. With convolution, \texttt{direct} is the proper method to select. With any of the frequency methods, \texttt{inverse-fourier} is the best method. -\begin{itemize}\itemsep=0pt -\item direct -\item inverse-fourier -\end{itemize} -} -\twocolitem{\textbf{--interpolation}}{Interpolation technique. \texttt{linear} is optimal. +} \twocolitem{\textbf{-\,-interpolation}}{Interpolation technique. +\texttt{linear} is optimal. \begin{itemize}\itemsep=0pt \item nearest \item linear +\item cubic \end{itemize} } -\twocolitem{\textbf{-backprojection}}{Selects the backprojection technique. A setting of \texttt{idiff3} is optimal. +\end{twocollist} + +\subsection{Advanced Options} + +These options are only visible if \emph{Advanced Options} has been +selected in the \texttt{File/Preferences} dialog. + +\begin{twocollist} +\twocolitem{\textbf{-\,-backprojection}}{Selects the +backprojection technique. A setting of \texttt{idiff} is optimal. \begin{itemize}\itemsep=0pt \item trig \item table \item diff -\item diff2 -\item idiff2 -\item idiff3 +\item idiff \end{itemize} } -\twocolitem{\textbf{--zeropad}}{Zeropad factor. A setting of \texttt{1} is optimal.} -\twocolitem{\textbf{--preinterpolate}}{Selects preinterpolation interpolation technique and sets the preinterpolation factor. Currently, this is experimental and does not work well.} -\end{twocollist} +\twocolitem{\textbf{-\,-zeropad}}{Zeropad factor. A setting of +\texttt{1} is optimal.} +\twocolitem{\textbf{-\,-filter-generation}}{Selects the filter +generation. With convolution, \texttt{direct} is the proper method +to select. With any of the frequency methods, +\texttt{inverse-fourier} is the best method. +\begin{itemize}\itemsep=0pt +\item direct +\item inverse-fourier +\end{itemize} +} +\end{twocollist}