15.7.3 Main window

The main window (see Fig. 15.1) allows to control the movie. Main functions are:

RUN: Run the movie from the frame start.pic to the frame stop.pic. Use it only when the film is stopped.
STOP: Stop the movie.
STEP: Move to the next frame, step by step. Use it only when the film is stopped.
BACK: Move to the previous frame, step by step. Use it only when the film is stopped.
RESET: Go to the start.pic frame.
QUIR: Quit
ZOOM: Zoom in.
UNZOOM: Zoom out.
RESET ZOOM: Disable zoom.

**Figure 15.1:** Main window of gmov.
$\includegraphics[width=10cm]{graph/gmov1.ps}$

**Figure 15.2:** Display window of gmov.
$\includegraphics[width=5.18cm]{graph/gmov2.ps}$

The filename entry display the name of the current film. A new film can be loaded by modifying the name and pressing enter.

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