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\section{The Animation Window}\label{animationwin}\index{Animation window}\index{window, Animation}
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\begin{figure}[H]
%\vspace{.5in}
\centerline{\psfig{figure=ps/animation.ps,height=73pt}}
\caption{\label{animation}
The Animation window.
}
\end{figure}
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\begin{description}
\item[Window title:] DsTool: Geomview animation interface
\item[Function:] The Animation window serves as an interface to Geomview\index{Geomview}, through which
animations can be done.
\item[Description:] The Animation window is opened by selecting the Animation (Geomview)
option from the Panels menu button located in the Command window.
The window can always be opened, regardless of the number of phase space
variables of the system. However, in order to use the animation
features, the current dynamical system must be from the
``Animated systems''\index{models, animated systems}\index{animated system models}
submenu of the Models menu button located in the Command window, or must be
enabled for animation by the user\index{animation, user-enabled}.
In addition, Geomview must be available for
use by the user. Unlike the 3-D View window, the
animation will proceed in Geomview as the data is computed.
\item[Panel items:] \mbox{}
\begin{itemize}
\item Directory read-write text field:
Displays the directory from which Geomview will take data to create the
animation. The default directory is the current value of the UNIX environmental variable
\unix{DSTOOL\_OOGL\_DIR} if the current system is a standard animated system, or
\unix{MY\_DSTOOL\_OOGL\_DIR} if the current system is a user-defined animated system.
If the appropriate one of these variables is not set, the default
is the subdirectory ``oogl'' of the UNIX environmental variable \unix{DSTOOL}.
\item Filename read-write text field:
Displays the file from the above named directory from which Geomview will
take data to create the animation. If the current dynamical system is an
animated system, the default string is the value of the character string ``*gv\_filename''
defined in the model file. If the current dynamical system
is not an animated system, the default is an empty string.
\item Apply selected point command button:
Changes the position of the animated objects to correspond to the values
in the selected point window.
\item Start / Deactivate geomview command button:
Starts Geomview if Geomview has not been previously started. Deactivates
Geomview if Geomview has been previously started.
\item Send file command button:
Sends the file specified by the directory and filename fields to Geomview. If the animation
objects do not currently appear in Geomview, they are created. If the animation objects do
appear, they are reset to their original positions.
\item Dismiss command button:
Closes the Animation window.
% The directory and filename fields do not revert back to their default values.
\end{itemize}
\end{description}
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