r598: no message

[ctsim.git] / doc / ctsim-gui.tex

diff --git a/doc/ctsim-gui.tex b/doc/ctsim-gui.tex
index 21687029c6930745d3112823540b09e83e570ea0..6637303801207b8b6ae0947c6f81f5876ca56a43 100644 (file)
--- a/doc/ctsim-gui.tex
+++ b/doc/ctsim-gui.tex
@@ -142,6 +142,7 @@ At a setting of \texttt{0.54}, the Hamming filter is the same as the Hanning
 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.
@@ -180,6 +181,12 @@ usual. There extra events are not important for viewing with typical operation o
 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}