View Tools
The view tools highlights in red below let you control how you see your simulation.
From left to right the buttons do:
Overview Window
The Overview Window lets you pan around large simulations easily.
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Presentation Mode
Display your simulation in full-screen mode without all of the toolbars.
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100%
Reset your simulation back to 100% zoom level.
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Zoom
Zoom in and out the display of your simulation.
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